Cheap Flights from Chicago to Seattle (CHI-SEA) Prices were available within the past 7 days and start at $70 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Chicago to Seattle with no change fee on selected flights.There are 3 airlines that fly nonstop from Seattle to Minneapolis. They are: Alaska Airlines, Delta and Sun Country Air. The cheapest price of all airlines flying this route was found with Sun Country Air at $119 for a one-way flight. On average, the best prices for this route can be found at Sun Country Air.The best one-way flight to Chicago from Seattle in the past 72 hours is $43. The best round-trip flight deal from Seattle to Chicago found on momondo in the last 72 hours is $103. The fastest flight from Seattle to Chicago takes 3h 53m. Direct flights go from Seattle to Chicago every day. There are 2 airports near Chicago: Chicago O'Hare Intl ...Tue, 16 Apr SEA - ORD with Delta. Direct. from ₹ 4,306. Chicago. ₹ 4,813 per passenger.Departing Mon, 25 Mar.One-way flight with United.Outbound direct flight with United departs from Seattle / Tacoma International on Mon, 25 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From ₹ 4,813, select.Airfares from $70 One Way, $128 Round Trip from Chicago to Seattle. Prices starting at $128 for return flights and $70 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Tue, May 14 - Sat, May 18. MDW. Chicago. SEA.The average flight time from Seattle to Chicago is 3 hours and 29 minutes. The flight distance is 2762 km / 1716 miles and the average flight speed is 795 km/h / 494 mph. How many AS408 flights are operated per week? 7 flights per week. The flight AS408 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and …Seattle. Cheap flights from Seattle to Chicago from £98.99. Seattle (United States) - Chicago (United States) return flights from £128.99. From 01/06/2024 (Saturday) - 08/06/2024 (Saturday). Check for the dates with the …Check Frontier flight status, including departure time, arrival time, and gate information. Book a Flight. My Trip/Check-In. Flight Status. BOOK A FLIGHT. Trip Type Round-trip One-way Select a to and from city From* To* Select …The Chicago Cubs picked up their second straight series win on Wednesday, beating the Arizona Diamondbacks in the final game of a three-game set. With an 11-7 …Flights from Seattle (SEA) to Chicago (CHI) with Delta How much is a flight ticket from Seattle (SEA) - Illinois (CHI) with Delta? ️ Prices were available within the past 7 days and start at $70 for one-way flights and $139 for roundtrip, for the period specified.AS328 and Seattle SEA to Chicago ORD Flights. Flight AS328 is code-shared by 1 airline using the flight number KE6117. Other flights departing from Seattle SEA: AS420, AS135, UA747, AS474. Other flights arriving at Chicago ORD: UA2423, Y4700, UA2259, AA241. All flights connecting Seattle SEA to Chicago ORD.The flight time from Seattle to Chicago is 3 hours, 56 minutes. The time spent in the air is 3 hours, 23 minutes. These numbers are averages. In reality, it varies by airline with United being the fastest taking 3 hours, 51 minutes, and Alaska the slowest taking 3 … Direct. Wed, Jun 12 SEA – ORD with Alaska Airlines. Direct. from $136. Seattle.$138 per passenger.Departing Tue, Oct 15, returning Tue, Oct 22.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Tue, Oct 15, arriving in Seattle / Tacoma International.Inbound direct flight with United ... Seattle / Tacoma to Chicago Flights. Flights from SEA to ORD are operated 59 times a week, with an average of 8 flights per day. Departure times vary between 00:10 - 23:59. The earliest flight departs at 00:10, the last flight departs at 23:59. However, this depends on the date you are flying so please check with the full flight schedule above ...By. Seattle Times staff. A bolt of lightning struck an Alaska Airlines plane from Seattle to Chicago Friday morning. The plane landed safely in Chicago just after 2 p.m. local time; all the 160 ...Find The Best Day To Fly from Seattle to Chicago Amazing United SEA to ORD Flight Deals The cheapest flights to O'Hare Intl. found within the past 7 days were $156 round trip and $70 one way. from ₹ 4,911. Chicago. ₹ 5,458 per passenger.Departing Tue, 4 Jun.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Tue, 4 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From ₹ 5,458, select. Tue, 4 Jun SEA - ORD with Alaska Airlines. How much is the cheapest flight to Chicago? Prices were available within the past 7 days and start at $31 for one-way flights and $57 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals.Realtime Alaska Airlines Flight Status and Tracking from ORD to SEA on AS329. See flight tracker maps, pre-order food, upgrade your seat, view waitlists, amenities, and aircraft information. ... Chicago-O'Hare (ORD) Seattle (SEA) Last updated 03:04 am . Gates and times may change. Please check the airport monitors for the latest …Find The Best Day To Fly from Seattle to Chicago Amazing United SEA to ORD Flight Deals The cheapest flights to O'Hare Intl. found within the past 7 days were $156 round trip and $70 one way.Fri, 24 Jan ORD - SEA with Alaska Airlines. Direct. from £135. Chicago. £136 per passenger.Departing Tue, 11 Jun, returning Tue, 18 Jun.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 11 Jun, arriving in Chicago O'Hare International.Inbound direct flight with Delta departs from ...The two airlines most popular with KAYAK users for flights from Chicago to Seattle are Delta and Frontier. With an average price for the route of $656 and an overall rating of 8.0, Delta is the most popular choice. Frontier is also a great choice for the route, with an average price of $266 and an overall rating of 6.3.AS410 and Seattle SEA to Chicago ORD Flights. Flight AS410 is code-shared by 2 airlines using the flight numbers QR3411, TN2613. Other flights departing from Seattle SEA: AS2018, DL197, DL446, AS2247. Other flights arriving at Chicago ORD: UA1828, AA2319, UA2211, UA5039. All flights connecting Seattle SEA to Chicago ORD. Find United Airlines cheap flights from Seattle to Chicago. Enjoy a Seattle to Chicago modern flight experience in premium cabins with Wi-Fi. Use our interactive route map, select your trip type, and our budget filters on United Explore to find the perfect flight. Where does United fly? United Airlines - Airline Tickets, Travel Deals and FlightsFind the best deals on flights from Seattle / Tacoma International (SEA) to Chicago Midway (MDW). Compare prices from hundreds of major travel agents and airlines, all in one search.The calculation of flight time is based on the straight line distance from Seattle, WA to Chicago, IL ("as the crow flies"), which is about 1,737 miles or 2 796 kilometers. Your trip begins in Seattle, Washington. It ends in Chicago, Illinois. Your flight direction from Seattle, WA to Chicago, IL is East (90 degrees from North). The flight time ...Looking for a cheap and comfortable flight from Chicago to Seattle? Book with United Airlines and enjoy premium cabins, Wi-Fi, and flexible dates. Compare our daily fares and special offers for flights from Chicago (ORD) to Seattle (SEA) and save more on your trip.To. Check status. Stay up to date with our flight status tools. MileagePlus members can subscribe to notifications for flight status, check-in availability and more. United Airlines will do everything practical to ensure we provide the most accurate flight status information at all times.Direct. Wed, 14 Aug ORD - SEA with United. Direct. from $274. Chicago.$284 per passenger.Departing Fri, 6 Sep, returning Tue, 10 Sep.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Fri, 6 Sep, arriving in Chicago O'Hare International.Inbound direct flight with Delta departs from Chicago ...The best one-way flight to Chicago from Seattle in the past 72 hours is $43. The best round-trip flight deal from Seattle to Chicago found on momondo in the last 72 hours is $103. The fastest flight from Seattle to Chicago takes 3h 53m. Direct flights go from Seattle to Chicago every day. There are 2 airports near Chicago: Chicago O'Hare Intl ...The two airlines most popular with KAYAK users for flights from Chicago to Seattle are Delta and Frontier. With an average price for the route of $656 and an overall rating of 8.0, Delta is the most popular choice. Frontier is also a great choice for the route, with an average price of $266 and an overall rating of 6.3.The cheapest return flight ticket from Seattle to Athens found by KAYAK users in the last 72 hours was for $677 on Turkish Airlines, followed by Air Canada ($718). One-way flight deals have also been found from as low as $609 on …Find Ultra Low Fares from Seattle to Chicago. Fly with Spirit Airlines and get a great deal on flights from Seattle to Chicago. With Spirit's Bare Fare™ You Pay Only the Services You Need!Cheap Flights from Seattle to Minneapolis (SEA-MSP) Prices were available within the past 7 days and start at $50 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Minneapolis with no change fee on selected ...SEA to MDW Flight Details. Distance and aircraft type by airline for flights from Seattle-Tacoma International Airport to Chicago Midway International Airport. Origin SEA Seattle-Tacoma International Airport. Destination MDW Chicago Midway International Airport. Distance 1,728.81 miles. Find the best deals on flights from Seattle / Tacoma International (SEA) to Chicago Midway (MDW). Compare prices from hundreds of major travel agents and airlines, all in one search. Cheap Flights from Seattle / Tacoma International (SEA) to Chicago (CHI) from $136 | Skyscanner. Roundtrip One way Multi-city. Depart. 28/04/2024. Return. 05/05/2024. … Compare flight deals to Chicago from Seattle from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Chicago start from £48 one-way. Flex your dates to find the best SEA-ORD ticket prices. Cheap Flights from Seattle / Tacoma International to Chicago FSS. Return One way Multi-city. 22/04/2024. 29/04/2024. Travellers and cabin class. 1 adult, Economy. Direct flights only. Seattle / Tacoma to Chicago Flights. Flights from SEA to ORD are operated 59 times a week, with an average of 8 flights per day. Departure times vary between 00:10 - 23:59. The earliest flight departs at 00:10, the last flight departs at 23:59. However, this depends on the date you are flying so please check with the full flight schedule above ... Flight deals from Seattle to Chicago. Looking for a cheap last-minute deal or the best return flight from Seattle to Chicago? Find the lowest prices on one-way and return …from ₹ 4,911. Chicago. ₹ 5,458 per passenger.Departing Tue, 4 Jun.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Tue, 4 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From ₹ 5,458, select. Tue, 4 Jun SEA - ORD with Alaska Airlines.Disclaimer for AS410 Flight Radar Data. Flight AS410 from Seattle to Chicago is operated by Alaska Airlines. Scheduled time of departure from Seattle Tacoma Intl is 12:12 PDT and scheduled time of arrival in Chicago Ohare Intl is 18:19 CDT. The duration of the flight Alaska Airlines AS 410 is 4 hours 7 minutes. Track United (UA) #747 flight from Seattle-Tacoma Intl to Chicago O'Hare Intl Flight status, tracking, and historical data for United 747 (UA747/UAL747) including scheduled, estimated, and actual departure and arrival times. from ₹ 4,911. Chicago. ₹ 5,458 per passenger.Departing Tue, 4 Jun.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Tue, 4 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From ₹ 5,458, select. Tue, 4 Jun SEA - ORD with Alaska Airlines. Flights from Chicago to Seattle. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Chicago to Seattle. Find the best flights fast, track...The average flight time from Seattle to Chicago is 3 hours and 25 minutes. The flight distance is 2762 km / 1716 miles and the average flight speed is 808 km/h / 502 mph. What is the On-Time Performance (OTP) of United Airlines Flight UA652 Seattle to Chicago? The Airportia On-Time Performance Rating for United Airlines Flight UA652 …Flights from Chicago (ORD) to Seattle (SEA) Origin airport. O'Hare Intl. Destination airport. Seattle - Tacoma Intl. Airlines serving. Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Spirit Airlines, Sun Country …There are 4 airlines that fly nonstop from Seattle to New York. They are: Alaska Airlines, Delta, JetBlue and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at $103 for a one-way flight. On average, the best prices for this route can be found at JetBlue.Cheap flights from Seattle (SEA) to Chicago (ORD) Prices were available within the past 7 days and start at CA $95 for one-way flights and CA $190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Chicago with no change fee on selected ...Pick Dates. One of the most popular airlines traveling from Chicago to Seattle is Frontier. Flights from Frontier traveling this route typically cost $469.61 RT. This price is typically 25% cheaper than other airlines that offer Chicago to Seattle flights. When booking this route, the cheapest RT price found was $99. Chicago. Compare Seattle to Chicago flight deals. Find the cheapest month or even day of the year to fly to Chicago. Book the best Chicago fare with no extra fees. Flight deals from Seattle to Chicago. Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Chicago? WN3278 and Seattle SEA to Chicago MDW Flights. This is a multi leg flight of Southwest Airlines WN3278. Previous leg is Oakland to Seattle and next leg is Chicago to Kansas City. Other flights departing from Seattle SEA: AS522, DL304, AS450, AS620. Other flights arriving at Chicago MDW: WN1145, WN2782, PD2393, WN3243.For a flight from Seattle to Chicago Midway, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 1 outbound flight to Chicago Midway per day. 2 airlines have flights to Chicago Midway from Seattle/Tacoma Intl on a ...Book one-way or return flights from Seattle to Chicago with no change fee on selected flights. Earn your airline miles on top of our rewards! Get great 2023 flight deals from Seattle to Chicago now!On average, a flight to Seattle costs $373. The cheapest price found on KAYAK in the last 2 weeks cost $44 and departed from Phoenix Sky Harbor Intl Airport. The most popular routes on KAYAK are Chicago to Seattle which costs $357 on average, and Los Angeles to Seattle, which costs $355 on average. See prices from: There are 4 airlines that fly nonstop from Chicago O'Hare Intl Airport to Seattle. They are: Alaska Airlines, American Airlines, Delta and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at $89 for a one-way flight. On average, the best prices for this route can be found at Delta. AS328 and Seattle SEA to Chicago ORD Flights. Flight AS328 is code-shared by 1 airline using the flight number KE6117. Other flights departing from Seattle SEA: AS420, AS135, UA747, AS474. Other flights arriving at Chicago ORD: UA2423, Y4700, UA2259, AA241. All flights connecting Seattle SEA to Chicago ORD. Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight. Compare flight deals to Chicago from Seattle from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Chicago start from £48 one-way. Flex your dates to find the best SEA-ORD ticket prices. Flights to Chicago Midway Airport, Chicago. Fly from Seattle to Chicago Midway Airport on Frontier from $70... Search for Chicago Midway Airport flights on KAYAK now to find …Pick Dates. One of the most popular airlines traveling from Chicago to Seattle is Frontier. Flights from Frontier traveling this route typically cost $469.61 RT. This price is typically 25% cheaper than other airlines that offer Chicago to Seattle flights. When booking this route, the cheapest RT price found was $99.Seattle. $127. Flights to Seattle, Seattle. Find flights to Seattle from $65. Fly from Illinois on Frontier, Alaska Airlines, United Airlines and more. Search for Seattle flights on KAYAK now to find the best deal.The average flight time from Seattle to Chicago is 3 hours and 29 minutes. The flight distance is 2762 km / 1716 miles and the average flight speed is 795 km/h / 494 mph. How many AS408 flights are operated per week? 7 flights per week. The flight AS408 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and …The cheapest return flight ticket from Seattle to Zurich found by KAYAK users in the last 72 hours was for $507 on Icelandair, followed by SWISS ($552). One-way flight deals have also been found from as low as $493 on United Airlines and …Cheap Flights from Chicago to Seattle (MDW-SEA) Prices were available within the past 7 days and start at $70 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Chicago to Seattle with no change fee on selected flights.The best one-way flight to Chicago from Seattle in the past 72 hours is $43. The best round-trip flight deal from Seattle to Chicago found on momondo in the last 72 hours is $103. The fastest flight from Seattle to Chicago takes 3h 53m. Direct flights go from Seattle to Chicago every day. There are 2 airports near Chicago: Chicago O'Hare Intl ...4 days ago · American Airlines flights from Seattle to Chicago SEA Seattle United States-> 4 hours 0 min 2,764km 1,717mi. ORD Chicago United ... Seattle / Tacoma to Chicago Flights Flights from SEA to MDW are operated 5 times a week, with an average of 1 flight per day. Departure times vary between 05:00 - 18:25. The earliest flight departs at 05:00, the last flight departs at 18:25. However, this depends on the date you are flying so please check with the full flight schedule above to ...Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight. Seattle / Tacoma to Chicago Flights. Flights from SEA to ORD are operated 59 times a week, with an average of 8 flights per day. Departure times vary between 00:10 - 23:59. The earliest flight departs at 00:10, the last flight departs at 23:59. However, this depends on the date you are flying so please check with the full flight schedule above ... from ₹ 4,911. Chicago. ₹ 5,458 per passenger.Departing Tue, 4 Jun.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Tue, 4 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From ₹ 5,458, select. Tue, 4 Jun SEA - ORD with Alaska Airlines.There are 4 airlines that fly nonstop from Chicago O'Hare Intl Airport to Seattle. They are: Alaska Airlines, American Airlines, Delta and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at $89 for a one-way flight. On average, the best prices for this route can be found at Delta.Chicago is a hub for United and American, and is the busiest city for Southwest, so I'm having a hard time believing that you can't find a decently timed flight. The Amtrak ride between the two is fantastic but takes about 2-3 days each way, so if nine hours was too long for you to fly, that's probably not the way to go.Tue, 16 Apr SEA - ORD with Delta. Direct. from ₹ 4,306. Chicago. ₹ 4,813 per passenger.Departing Mon, 25 Mar.One-way flight with United.Outbound direct flight with United departs from Seattle / Tacoma International on Mon, 25 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From ₹ 4,813, select.The cheapest return flight ticket from Seattle to Athens found by KAYAK users in the last 72 hours was for $677 on Turkish Airlines, followed by Air Canada ($718). One-way flight deals have also been found from as low as $609 on …$193 Cheap Delta flights Seattle (SEA) to Chicago (MDW) Prices were available within the past 7 days and start at $193 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.Track United (UA) #747 flight from Seattle-Tacoma Intl to Chicago O'Hare Intl. Flight status, tracking, and historical data for United 747 (UA747/UAL747) including scheduled, estimated, and actual departure and arrival times. from ₹ 4,911. Chicago. ₹ 5,458 per passenger.Departing Tue, 4 Jun.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Tue, 4 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From ₹ 5,458, select. Tue, 4 Jun SEA - ORD with Alaska Airlines. View Delta's best fares on flights from Seattle for your next getaway. Cradled by mountains and cool waters, stunning nature meets creative cityscapes in the sprawling and colorful Seattle, Washington. This gives visitors flying into Seattle-Tacoma International Airport (SEA) the best of outdoor adventure with the abounding options of a city ...The flight time from Chicago to Seattle is 4 hours, 27 minutes. The time spent in the air is 3 hours, 53 minutes. These numbers are averages. In reality, it varies by airline with Delta being the fastest taking 4 hours, 23 minutes, and Alaska the slowest taking 4 …Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Seattle. Chicago. Compare Seattle to Chicago flight deals. Find the cheapest month or even day of the year to fly to Chicago. Book the best Chicago fare with no extra fees. …The cheapest return flight ticket from Seattle to Athens found by KAYAK users in the last 72 hours was for $677 on Turkish Airlines, followed by Air Canada ($718). One-way flight deals have also been found from as low as $609 on … All flight schedules from Seattle Tacoma International , Washington , USA to Chicago Ohare International , Illinois , USA . This route is operated by 4 airline (s), and the flight time is 5 hours and 00 minute. The distance is 1725 miles.
All flight schedules from Chicago Ohare International , Illinois , USA to Seattle Tacoma International , Washington , USA . This route is operated by 4 airline (s), and the flight time is 4 hours and 56 minutes. The distance is 1725 miles. USA.. Aruts sheva
Connect with us. Find low fares to top destinations on the official Southwest Airlines website. Book flight reservations, rental cars, and hotels on southwest.com. Ultra Low Fare Flights from Seattle (SEA) to Chicago (ORD) with Spirit from $141 There are 4 airlines that fly nonstop from Chicago O'Hare Intl Airport to Seattle. They are: Alaska Airlines, American Airlines, Delta and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at $89 for a one-way flight. On average, the best prices for this route can be found at Delta. fly for about 3.5 hours in the air. 6:30 pm (local time): Chicago O'Hare International (ORD) Chicago is 2 hours ahead of Seattle. so the time in Seattle is actually 4:30 pm. taxi on the runway for an average of 18 minutes to the gate. 6:48 pm (local time): arrive at the gate at ORD. deboard the plane, and claim any baggage.DL1074 and Seattle SEA to Chicago ORD Flights. Flight DL1074 is code-shared by 1 airline using the flight number KE3039. Other flights departing from Seattle SEA: AS1318, AS3374, AS3427, DL1270. Other flights arriving at Chicago ORD: AS538, AA1351, NK5, AA1039. All flights connecting Seattle SEA to Chicago ORD.Airfares from $70 One Way, $128 Round Trip from Chicago to Seattle. Prices starting at $128 for return flights and $70 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Tue, May 14 - Sat, May 18. MDW. Chicago. SEA.1 stop. from £94. Chicago. £106 per passenger.Departing Sat, 1 Jun, returning Sat, 8 Jun.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Sat, 1 Jun, arriving in Chicago O'Hare International.Inbound direct flight with Alaska Airlines departs from Chicago O'Hare ...$64 Cheap Flights from Seattle (SEA) to Chicago (MDW) Bundle Your Flight + Hotel & Save! Roundtrip. One-way. Multi-city. 1 traveler. Economy. Leaving from. Going to. …Flight status. Help. Contact American. Receipts and refunds. FAQs. Agency reference. Cargo , Opens another site in a new window that may not meet accessibility guidelines. Bag and optional fees. Customer service and contingency plans. Alaska Airlines - (AS) lists 2 direct nighttime flights on average from Seattle to Chicago. Delta Air Lines - (DL) with about 1 end of day scheduled flights between SEA and ORD from 6:00pm to 11:00pm. American Airlines - (AA) lists 1 direct nighttime flights on average from Seattle to Chicago. Prices were available within the past 7 days and start at $69 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Tue, Feb 13 - …️ Use the interactive calendar available on Expedia to see the cheapest Frontier Airlines (Seattle SEA - Chicago ORD) ticket prices during the weeks surrounding your travel dates. Compare flight prices for similar timeframes and adjust departure and return dates to get the cheapest fare possible. The lowest-priced days are highlighted in green.Use our interactive route map, select your trip type, and our budget filters on United Explore to find the perfect flight. Where does United fly? United Airlines - Airline Tickets, Travel Deals and Flights.