Return flights from Boston BOS to Seattle SEA with Delta If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $247 to $247, it’s easy to find a flight that suits your budget. Find flights to Seattle from $117. Fly from Boston on American Airlines, Spirit Airlines, JetBlue and more. Search for Seattle flights on KAYAK now to find the best deal. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $247 round trip and one way. Prices and availability subject to change. Additional terms may apply. Wed, Apr 3 - Wed, Apr 10. BOS. Boston. SEA. Seattle. Shop these exclusive vacation deals from Seattle. The Fly Delta app makes travel easier than ever before. Book a flight, speed through security, track your bag, have your gate information all in one place and more - only with the Fly Delta app. A portion of travel for some itineraries may be on the Delta Connection® carriers: Endeavor Air, Inc ...AS349 and Boston BOS to Seattle SEA Flights. Flight AS349 is code-shared by 4 airlines using the flight numbers AA9369, DE5065, JL6357, TN2336. Other flights departing from Boston BOS: B6167, DL5670, AA2600, DL627. Other flights arriving at Seattle SEA: UA1986, WN4275, WN4269, AS2185. All flights connecting Boston BOS to Seattle SEA.Which airlines provide the cheapest flights from Seattle to Houston? The cheapest return flight ticket from Seattle to Houston found by KAYAK users in the last 72 hours was for $100 on Frontier, followed by Spirit Airlines ($190). One-way flight deals have also been found from as low as $50 on Frontier and from $88 on Spirit Airlines.Options for some of the cheapest premium economy flights from Boston we have found on Cheapflights are as follows: Fly from Boston Logan Intl to Memphis starting at $408. Fly from Boston Logan Intl to Sarasota starting at $412. Fly from Boston Logan Intl to Myrtle Beach starting at $438.There are 4 airlines that fly nonstop from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found with JetBlue at $133 for a one-way flight. On average, the best prices for this route can be found at Alaska Airlines.Southwest destinations from Seattle with flights in the past. AUS Austin. LAST FLIGHT WAS SCHEDULED 2018-01-05 HOU Houston. LAST FLIGHT WAS SCHEDULED 2020-09-05 MKE Milwaukee. LAST FLIGHT WAS SCHEDULED 2020-09-05 SAN San Diego. LAST FLIGHT WAS SCHEDULED 2020-09-05 Frequently Asked Questions (FAQ)Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Boston Logan International. Seattle / Tacoma International. Compare Boston Logan International to Seattle / Tacoma International flight deals. Find the cheapest month or …The calculation of flight time is based on the straight line distance from Boston, MA to Seattle, WA ("as the crow flies"), which is about 2,492 miles or 4 011 kilometers. Your trip begins in Boston, Massachusetts. It ends in Seattle, Washington. Your flight direction from Boston, MA to Seattle, WA is Northwest (-64 degrees from North). The ...On average, a flight to Boston costs $298. The cheapest price found on KAYAK in the last 2 weeks cost $29 and departed from Myrtle Beach. The most popular routes on KAYAK are Washington, D.C. to Boston which costs $306 on average, and San Francisco to Boston, which costs $428 on average. See prices from:Cheap flights from Boston to Seattle (BOS - SEA) from $89. Round-trip One-way Multi-city. From? To? Tue 4/2. Tue 4/9. 1 adult. Economy. Find Your Flight. The best prices …Book Cheap Boston to Seattle with United Airlines Flights - offers best deals on Boston to Seattle flight booking. Lowest airfare @Rs 11559.Boston Logan International. Seattle / Tacoma International. Compare Boston Logan International to Seattle / Tacoma International flight deals. Find the cheapest month or …Southwest destinations from Boston with flights in the past. ATL Atlanta. LAST FLIGHT WAS SCHEDULED 2020-01-01 CMH Columbus. LAST FLIGHT WAS SCHEDULED 2020-10-30 FLL Fort Lauderdale. LAST FLIGHT WAS SCHEDULED 2021-04-10 HOU Houston. LAST FLIGHT WAS SCHEDULED 2023-10-01 IND Indianapolis.Check the status of your flight to Boston Logan Airport using the information on our departures page. The data on departures times and status is frequently updated in real time. ... Seattle (SEA) 07:00 am AS459. AA9302. DE5235. JL6357. KE6222. TN2335. Alaska Airlines. American Airlines . Condor . JAL . Korean Air . Air Tahiti Nui . B. …Mar 15, 2024 · Compare flight deals to Seattle from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from $112 one-way. Flex your dates to find the best BOS–SEA ticket prices. The two airlines most popular with KAYAK users for flights from Salt Lake City to Boston are Delta and JetBlue. With an average price for the route of $458 and an overall rating of 8.0, Delta is the most popular choice. JetBlue is also a great choice for the route, with an average price of $357 and an overall rating of 7.6.Hainan’s service is currently scheduled for three round-trip flights every Wednesday, Friday, and Sunday, and the Beijing-bound flights from Boston also stop at Seattle-Tacoma International ...There are 5 airlines that fly nonstop from Boston to Chicago. They are: American Airlines, Delta, JetBlue, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with JetBlue at $81 for a one-way flight. On average, the best prices for this route can be found at JetBlue. My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule. Find flights to Seattle from $117. Fly from Boston on American Airlines, Spirit Airlines, JetBlue and more. Search for Seattle flights on KAYAK now to find the best deal.There are 32 flights per week flying from Boston to Seattle / Tacoma (as of April 2024). How long does it take to fly from Boston to Seattle / Tacoma? 6 hours and 9 minutes is …Nov 27, 2023 · Hainan’s service is currently scheduled for three round-trip flights every Wednesday, Friday, and Sunday, and the Beijing-bound flights from Boston also stop at Seattle-Tacoma International ... Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Shanghai 1 stop $1,165. Beijing 1 stop $1,228. Guangzhou 2 stops $1,226. Fuzhou 2 stops $1,467. Shenyang 1 stop $1,398. Chengdu 3 stops $1,321. Xiamen 3 …There are 32 flights per week flying from Boston to Seattle / Tacoma (as of April 2024). How long does it take to fly from Boston to Seattle / Tacoma? 6 hours and 9 minutes is …The two airlines most popular with KAYAK users for flights from Boston to Shanghai are Hainan Airlines and Delta. With an average price for the route of $1,254 and an overall rating of 8.1, Hainan Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $2,001 and an overall rating of 8.0. There are 4 airlines that fly direct from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found with Alaska Airlines at £151 for a one-way flight. On average, the best prices for this route can be found at Alaska Airlines. Tue, Sep 24 SJU – BOS with Frontier Airlines. Direct. from $118. Punta Cana.$214 per passenger.Departing Thu, May 9, returning Sat, May 18.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Boston Logan International on Thu, May 9, arriving in Punta Cana.Inbound indirect flight with ...Each day, there are between 12 and 17 nonstop flights that take off from Seattle and land in Boston, with an average flight time of 5h 26m. The most common departure time is 3:00 p.m. and most flights take off in the morning. 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 ... Flights from Spirit Airlines typically cost $377.91 RT. The cheapest Spirit Airlines flight found for this route was $138. When traveling from Boston to Seattle on Spirit Airlines, the most popular airport to depart from is Boston Logan Intl Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport.Find flights to Boston from $135. Fly from Seattle on United Airlines, American Airlines, Delta and more. Search for Boston flights on KAYAK now to find the best deal.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:The best one-way flight to Seattle from Boston in the past 72 hours is $125. The best round-trip flight deal from Boston to Seattle found on momondo in the last 72 hours is $217. The fastest flight from Boston to Seattle takes 6h 05m. Direct flights go from Boston to Seattle every day. There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)Information about flights from Boston to Seattle. When you’re looking to get away and not interested in a precise date, take a look at our flight offers this month. Flight deals from Boston to Seattle are great time of year. Be inspired! Explore the additional services available on lastminute.com even once you have booked your flight Boston ... The best one-way flight to Seattle from Boston in the past 72 hours is $125. The best round-trip flight deal from Boston to Seattle found on momondo in the last 72 hours is $217. The fastest flight from Boston to Seattle takes 6h 05m. Direct flights go from Boston to Seattle every day. There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA) Book cheap flights from Boston to Seattle on CheapOair and enjoy great discounts. Whether its leisure or a business trip, we offer the most competitive rates on flight tickets to destinations around the world. Grab BOS to SEA flight deals on CheapOair and save big! Hurry, our cheap rates are not going to last forever, so make your bookings ... Each day, there are between 44 and 67 nonstop flights that take off from Boston and land in Washington, D.C., with an average flight time of 1h 42m. The most common departure time is 5:00 pm and most flights take off in the morning, while the most flights land at Washington, D.C. Reagan-National Airport. Each week, there are 433 flights.Fall sees many cultural festivals, such as Croatia Fest, Fremont Oktoberfest and TurkFest. Winter highlights include Winterfest, Seattle Boat Show and Wintergrass Bluegrass Festival. Book cheap flights to Seattle (SEA) with United Airlines. Enjoy all the in-flight perks on your Seattle flight, including speed Wi-Fi.Cheap Flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at £103 for one-way flights and £203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Reserve one-way or return flights from Boston to Seattle with no change fee on selected ...Mar 15, 2024 · Compare flight deals to Seattle from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from $112 one-way. Flex your dates to find the best BOS–SEA ticket prices. Find flights to Seattle from $89. Fly from Boston on Sun Country Air, Spirit Airlines, JetBlue and more. Search for Seattle flights on KAYAK now to find the best deal.Fall sees many cultural festivals, such as Croatia Fest, Fremont Oktoberfest and TurkFest. Winter highlights include Winterfest, Seattle Boat Show and Wintergrass Bluegrass Festival. Book cheap flights to Seattle (SEA) with United Airlines. Enjoy all the in-flight perks on your Seattle flight, including speed Wi-Fi.Boston Logan International. Seattle / Tacoma International. Compare Boston Logan International to Seattle / Tacoma International flight deals. Find the cheapest month or … Cheap Flights from Boston to North Seattle (BOS-SEA) Prices were available within the past 7 days and start at $91 for one-way flights and $181 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. Book Cheap Flights from Seattle to Boston. Looking for flights from Seattle to Boston? Look no more, for you’re at the right place. Book cheap flights from Seattle to Boston on CheapOair and enjoy great discounts. Whether its leisure or a business trip, we offer the most competitive rates on flight tickets to destinations around the world. Atlanta, GA - Hartsfield-Jackson Atlanta Intl Airport is the most popular connection for one stop flights between Boston, MA and Seattle; In-Flight information. The average flying time for a direct flight from Boston, MA to Seattle is 6 hours 24 minutes; Most direct flights leave around 7:00 EDT; Korean Air flight #25 is today's earliest flight ... The two airlines most popular with KAYAK users for flights from Boston to San Francisco are Alaska Airlines and Delta. With an average price for the route of $371 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $338 and an overall rating of 8.0.The two airlines most popular with KAYAK users for flights from Boston to Beijing are Korean Air and Hainan Airlines. With an average price for the route of $1,995 and an overall rating of 8.5, Korean Air is the most popular choice. Hainan Airlines is also a great choice for the route, with an average price of $1,463 and an overall rating of 8.1.Book cheap flights from Boston to Seattle on CheapOair and enjoy great discounts. Whether its leisure or a business trip, we offer the most competitive rates on flight tickets to destinations around the world. Grab BOS to SEA flight deals on CheapOair and save big! Hurry, our cheap rates are not going to last forever, so make your bookings ...Question: Question 5 American Airlines flights from Boston to Seattle are on time 90 % of the time. Suppose 7 flights are randomly selected, and the number on-time flights is recorded. Round answers to 3 significant figures. The probability that exactly 6 flights are on time is The probability that at most 4 flights are on time is - The ... There are 4 airlines that fly nonstop from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found with JetBlue at $133 for a one-way flight. On average, the best prices for this route can be found at Alaska Airlines. Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Seattle 2 stops $211. Spokane 1 stop $358. Pasco 1 stop $437. Bellingham 1 stop $506. Pullman 2 stops $757. Wenatchee 2 stops $875. Portland 1 stop $221.Each day, there are between 12 and 18 nonstop flights that take off from Seattle and land in Boston, with an average flight time of 5h 27m. The most common departure time is 15:00 and most flights take off in the morning. Each week, there are 109 flights. The most frequent day of departure is Sunday, when 17% of all weekly flights depart. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $247 round trip and one way. Prices and availability subject to change. Additional terms may apply. Wed, Apr 3 - Wed, Apr 10. BOS. Boston. SEA. Seattle. United flights from Boston to Seattle from. $ 271. * 1 Passenger, Economy. Home. United flights. Flights to United States. Boston - Seattle. Featured daily fares for flights from …Jan 18, 2023 · Direct flights from Montreal, Boston, New York, Toronto, Calgary, Seattle, Washington Breathe in the fresh ocean air of Barbados at O2 Beach Club & Spa , a brand-new, all-inclusive luxury resort ... Flights from Sun Country Air traveling this route typically cost $397.79 RT. This price is typically 78% cheaper than other airlines that offer Seattle to Boston flights. When booking this route, the cheapest RT price found was $138.Find flights to Florida from $29. Fly from Boston on Spirit Airlines, Frontier, Allegiant Air and more. Search for Florida flights on KAYAK now to find the best deal. ASA460. B739. Arrived / Delayed. Thu 03:43PM PST. 11:57PM EST Thu. Seattle-Tacoma Intl (KSEA) - Boston Logan Intl (KBOS) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination. One-way low-fare flights Boston to Seattle.* From. flight_takeoff. To. flight_land. Budget $ Cabin Class. Select travel class. keyboard_arrow_down. From. To. Fare Type. Dates. Price. From Boston (BOS) To Seattle (SEA) One-way | Saver: Depart: May 8, 2024: From. $139* Seen: 9 hours ago2 days ago · Boston Airport has non-stop passenger flights scheduled to 144 destinations in 41 countries. At present, there are 83 domestic flights from Boston. The longest flight from Boston BOS is a 4,942 mile (7,953 km) non-stop route to Hong Kong HKG. Flights from Seattle to Boston via Chicago Midway Ave. Duration 7h 30m When Saturday Estimated price $220 - $700 Flights from Seattle to Providence via Chicago Midway Ave. Duration 7h 15m When Monday to Friday Estimated price $230 - $750 Flights from Seattle to Providence via Baltimore Ave. Duration 12h 10m WhenFlights from Spirit Airlines typically cost $377.91 RT. The cheapest Spirit Airlines flight found for this route was $138. When traveling from Boston to Seattle on Spirit Airlines, the most popular airport to depart from is Boston Logan Intl Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport.Book Cheap Flights from Seattle to Boston. Looking for flights from Seattle to Boston? Look no more, for you’re at the right place. Book cheap flights from Seattle to Boston on CheapOair and enjoy great discounts. Whether its leisure or a business trip, we offer the most competitive rates on flight tickets to destinations around the world.Flights from Boston to Seattle with American Airlines. Round trip. 1 Adult, Economy class. Book with cash. From. To. Depart. 04/26/24. today. Return. 05/03/24. today. Home. …Looking for a cheap flight? 25% of our users found tickets from Boston to the following destinations at these prices or less: New York $135 one-way - $462 round-trip; Orlando $81 one-way - $163 round-trip; Miami $148 one-way - $316 round-trip. Morning departure is around 7% cheaper than an evening flight, on average*.Select Spirit Airlines flight, departing Wed, May 8 from Boston to Seattle, returning Tue, May 14, priced at $223 found 2 hours ago. Mon, May 6 - Mon, May 13. BOS. Boston. SEA. Seattle. ... May 7 from Boston to Seattle, returning Mon, May 13, priced at $259 found 17 hours ago. Sat, Sep 7 - Wed, Sep 18. BOS. Boston. SEA. Seattle. $260 Roundtrip ...Find flights to Boston from $135. Fly from Seattle on United Airlines, American Airlines, Delta and more. Search for Boston flights on KAYAK now to find the best deal. Book Cheap Nonstop & Direct Flights from Boston to Seattle: Search and compare airfares on Tripadvisor to find the best nonstop and direct flights for your trip from Boston to Seattle. Choose the best airline for you by reading reviews and viewing hundreds of ticket rates for non stop and direct flights going to and from your destination. Cheap flights from Seattle to Boston (SEA - BOS): Compare last minute flight deals, direct flights and round-trip flights with Orbitz today! Skip to main content. ... Prices starting at $245 for return flights and $101 for one-way flights to Boston were the cheapest prices found within the past 7 days, for the period specified.Mar 5, 2024 · Reportedly, Air India may deploy Boeing 777-9 for its likely nonstop service to India from Dallas and Los Angeles. A fleet of new widebody B777-9 planes will join Air India starting from the end of 2024, as part of the US$34-billion deal with Boeing. Currently, IndianEagle.com has best deals for LAX, Seattle and Dallas to India flights by ... Ultra Low Fare Flights from Boston (BOS) to Seattle (SEA) 1 passenger. From. 04/18/2024.Flights to Seattle, Seattle. Find flights to Seattle from $135. Fly from Boston on Spirit Airlines, United Airlines, American Airlines and more. Search for Seattle flights on …Looking for a cheap flight? 25% of our users found tickets from Boston to the following destinations at these prices or less: Reykjavik $290 one-way - $419 round-trip; London $407 one-way - $668 round-trip; Miami $148 one-way - $316 round-trip. Morning departure is around 4% cheaper than an evening flight, on average*.Use Google Flights to find cheap departing flights to Seattle and to track prices for specific travel dates for your next getaway.On average, a flight to Boston costs $298. The cheapest price found on KAYAK in the last 2 weeks cost $29 and departed from Myrtle Beach. The most popular routes on KAYAK are Washington, D.C. to Boston which costs $306 on average, and San Francisco to Boston, which costs $428 on average. See prices from:Seattle/Tacoma, WA to Boston Logan, MA. departing on 11/5. one-way starting at*. $203. Book now. * Restrictions and exclusions apply. Seats and dates are limited. Select markets. 18 travel days available.Looking for a cheap flight? 25% of our users found tickets from Boston to the following destinations at these prices or less: Reykjavik $290 one-way - $419 round-trip; London $407 one-way - $668 round-trip; Miami $148 one-way - $316 round-trip. Morning departure is around 4% cheaper than an evening flight, on average*.
Flight deals from Seattle to Boston Logan International. Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Boston Logan International? Find the …. Solarmovoe
JetBlue Route map lets you explore over 100 destinations in the U.S., Latin America and Caribbean, plus London, with low fares and great service. Whether you want to visit San Francisco, Boston, or any other city, you can find your deal and book your flight with our interactive map. Connecting flights between Boston, MA and Seattle, WA. Here is a list of connecting flights from Boston, Massachusetts to Seattle, Washington. This can help you find a one-stop flight with the shortest layover time. We found a total of 15 flights to Seattle, WA with one connection: Airline routes; American Airlines BOS to CLT to SEASeattle/Tacoma, WA to Boston Logan, MA. departing on 11/5. one-way starting at*. $203. Book now. * Restrictions and exclusions apply. Seats and dates are limited. Select markets. 18 travel days available. Find flights to Seattle from $117. Fly from Boston on American Airlines, Spirit Airlines, JetBlue and more. Search for Seattle flights on KAYAK now to find the best deal. The two airlines most popular with KAYAK users for flights from Boston to Denver are Alaska Airlines and Delta. With an average price for the route of $418 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $331 and an overall rating of 8.0.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.The best one-way flight to Seattle from Boston in the past 72 hours is $125. The best round-trip flight deal from Boston to Seattle found on momondo in the last 72 hours is $217. The fastest flight from Boston to Seattle takes 6h 05m. Direct flights go from Boston to Seattle every day. There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)Search and compare first class flight deals to Boston. Fly from Washington, D.C. from $319, from Washington, D.C. from $338, from Chicago from $387. Book your first class tickets to Boston.Yes, there are multiple flights from Boston to Seattle for under $200. The cheapest flight booked recently is on Spirit Airlines for just $198, but on average you can expect to pay $226. Are there nonstop flights from Boston to Seattle for under $300 on Cheapflights? Cheapflights has at least 20 direct flights from Boston to Seattle under $300.Mar 5, 2024 · Reportedly, Air India may deploy Boeing 777-9 for its likely nonstop service to India from Dallas and Los Angeles. A fleet of new widebody B777-9 planes will join Air India starting from the end of 2024, as part of the US$34-billion deal with Boeing. Currently, IndianEagle.com has best deals for LAX, Seattle and Dallas to India flights by ... The two airlines most popular with KAYAK users for flights from Boston to Denver are Alaska Airlines and Delta. With an average price for the route of $418 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $331 and an overall rating of 8.0.Cheap flights from Boston to Seattle (BOS - SEA) from $89. Round-trip One-way Multi-city. From? To? Tue 4/2. Tue 4/9. 1 adult. Economy. Find Your Flight. The best prices …Return flights from Seattle SEA to Boston BOS with United If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $620 to $620, it’s easy to find a flight that suits your budget.Book cheap flights to Sun Valley (SUN) with United Airlines. Enjoy all the in-flight perks on your Sun Valley flight, ... From Boston (BOS) To Sun Valley (SUN) Roundtrip | Economy: 05/26/24 - 05/29/24: from. $ 432* Viewed: 13 hours ago. From Nashville (BNA) To Sun Valley (SUN) Roundtrip | Economy: Boston to Seattle / Tacoma Flights. Flights from BOS to SEA are operated 32 times a week, with an average of 5 flights per day. Departure times vary between 06:30 - 19:59. The earliest flight departs at 06:30, the last flight departs at 19:59. However, this depends on the date you are flying so please check with the full flight schedule above ... Sun, 8 Dec SEA - BOS with United. 1 stop. from £204. Seattle. £204 per passenger.Departing Wed, 23 Oct, returning Sat, 26 Oct.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed, 23 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from ... Find flights to Seattle from $120. Fly from Boston on Sun Country Air, American Airlines, Spirit Airlines and more. Search for Seattle flights on KAYAK now to find the best deal. .