Find cheap fares from Las Vegas, NV (LAS) to Ontario/LA, CA (ONT) with Frontier Airlines. Enjoy unlimited savings all year with the Discount Den℠!Cheap flights from Seattle (SEA) to Toronto (YYZ) Prices were available within the past 7 days and start at CA $300 for one-way flights and CA $623 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 Toronto with no change fee on selected ...Jan 28, 2024 · Deal found 4/17 $387. Pick Dates. Alaska Airlines is one of the most popular airlines used for those traveling from Ontario to Seattle. Flights on this route from Alaska Airlines typically cost $218.72 RT, a price that is 97% cheaper than the average Ontario to Seattle flight. The cheapest flight found was $90 RT. The total straight line flight distance from Ontario, CA to Seattle, WA is 966 miles. This is equivalent to 1 554 kilometers or 839 nautical miles. Your trip begins in Ontario, California. It ends in Seattle, Washington. Your flight direction from Ontario, CA to Seattle, WA is North (-13 degrees from North).Flights from Ontario to Seattle. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Ontario to Seattle.There are 5 non-stop flights from Ontario, California to Seattle, Washington. Alaska Airlines. American Airlines. Delta Air Lines. United Airlines. See the full list of airline routes and airports to book your trip. You may need to drive to a nearby airport to get a direct flight. Use the form below to search for cheap airline tickets.Select Frontier Airlines flight, departing Tue, Oct 15 from Seattle to Ontario, returning Tue, Oct 22, priced at $88 found 8 hours ago. Sat, May 18 - Mon, May 20. SEA. Seattle. ONT. Ontario. $89 Roundtrip, just found. $89. Roundtrip. just found . Select Frontier Airlines flight, departing Sat, May 18 from Seattle to Ontario, returning Mon, May 20, priced at $89 just …Compare Seattle WA Cost of Living vs Ontario CA Cost of Living: Taxes, Childcare, Groceries, Health... Compare Now. ZIPS IN SEATTLE, WA 98115, 98103, 98133, 98105, 98118, 98125, 98122, 98117, 98144, 98109, 28 total ZIPS IN ONTARIO, CA 91761, 91762, 91764. LEARN MORE ABOUT SEATTLE, WA Overview Cost of Living Job Market …This data is provided only for informative purposes. www.ontario-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status. Origin Arrival Flight Airline Terminal. Status. Seattle (SEA) 09:33 am AS3452. Alaska Airlines. 2. Terminal 2. Scheduled - On-time [+] …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.The total driving time is 35 hours, 32 minutes. Your trip begins in Seattle, Washington. It ends in Ontario, Canada. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario. You can also calculate the cost to drive from Seattle, WA to Ontario based on current local gas prices and ...The total driving time is 6 hours, 50 minutes. Your trip begins in Seattle, Washington. It ends in Ontario, Oregon. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario, OR. You can also calculate the cost to drive from Seattle, WA to Ontario, OR based on current local gas ...The cheapest Alaska Airlines deal from Seattle to Ontario in the last 72 hours was $84 (round-trip), much lower than the average airfare cost of $219 for Alaska Airlines flights on this route. Delta Flights From Seattle to Ontario. Delta (8.0/10 from 11,818 reviews) operates around 21 flights from Seattle to Ontario in any given week. The …Select Frontier Airlines flight, departing Mon., May 20 from Seattle to Ontario, returning Wed., May 22, priced at CA $106 found 5 days ago Sat., May 18 - Tue., May 21 SEAQuick Answer: The cost to move from Ontario, CA to Seattle, WA averages from $914 to $7,113 depending on how much you're moving, your move date, and whether you hire a company or do the move yourself. Hiring a full-service Ontario moving company will be on the more expensive side, while renting a truck or moving container is usually …Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $656. Flights from London, Ontario to Seattle. $505. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $311.Track Alaska Airlines (AS) #1118 flight from Seattle-Tacoma Intl to Ontario Intl Flight status, tracking, and historical data for Alaska Airlines 1118 (AS1118/ASA1118) including scheduled, estimated, and actual departure and arrival times. Flight distance: 966 miles or 1554 km. Flight time: 2 hours, 10 minutes. Compare this to a whole day of commercial travel with the airports and waiting in line for security, which ends up taking a total of 7 hours, 44 minutes. Flying private is roughly 3.9x faster, and saves you about 5.5 hours in your total travel time. Your trip begins in Ontario, California. It ends in Seattle, Washington. If you're planning a road trip, you might be interested in seeing the total driving distance from Ontario, CA to Seattle, WA. You can also calculate the cost to drive from Ontario, CA to Seattle, WA based on current local gas prices and an estimate of your car's best gas ...Cheap Flights from Seattle to San Diego (SEA-SAN) 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. All deals. One way. Roundtrip. Mon, May 13 - Tue, May 14. SEA. Seattle . SAN. San Diego. $100 Roundtrip, …Ontario Intl (ONT) - Ontario, CA Arrivals Departures Airport Delay Weather Parking Limos. ONT Arrivals This website stores cookies on your computer. These cookies are used to improve your website and provide more personalised services to you, both on this website and through other media. To find out more about the cookies we use, see our ...Book your air tickets with us and, at CheapOair you can also choose from an extensive list of airlines flying on the route. Also, if you have to take flight immediately due to any emergency, you should explore last minute flight deals from Seattle to Redding. Book your plane tickets now! Try to book your flight at least 21 days in advance in ...Vancouver to Toronto distance (YVR–YYZ) Anchorage to Seattle distance (ANC–SEA) London to Sydney distance (LHR–SYD) Air Miles Calculator helps you calculate how many miles it is from one airport to another and provides a map, estimated flight time, time difference between cities, and estimated CO2 emissions.1:00 am 01:00 in Seattle, WA, USA is 4:00 pm 16:00 in Manila, Philippines and is 6:00 pm 18:00 in Sydney, Australia and is 4:00 am 04:00 in Ottawa, Canada and is 1:00 am 01:00 in Ontario, CA, USA. Seattle to Manila call time Best time for a conference call or a meeting is between 5:30am-7:30am in Seattle which corresponds to 8:30pm-10:30pm in ...Best Flights from Seattle to Ontario Today. Take a look at the list of non stop flights and flights with layovers from Seattle to Ontario with the lowest price of $79. The fastest direct flight takes 2h 38m and the fastest connecting – 3h 54m. Price. Departure.Please select from the following options. Calculate Postcard price. View Flat Rate Envelopes. View Flat Rate Boxes. Calculate price based on Shape and Size.Find and book flights from Seattle to Ontario (Los Angeles - Ontario Intl.) starting at $39 one-way and $78 round trip. Compare prices, dates, airlines and deals on Expedia.com. The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Seattle to Ontario flight route. Which airline alliances offer flights from Seattle to Ontario? oneworld, and SkyTeam are the airline alliances operating flights between Seattle and Ontario, with SkyTeam being the most commonly used for this route. Users in need of a round-trip flight from Seattle to Ontario instead should update the search form at the top of page. mié. 5/29 9:35 am SEA - YYZ. 2 stops 17h 37m Multiple Airlines. Deal found 4/17 $194. Pick Dates.The flight time from Ontario to Seattle is 2 hours, 39 minutes. The time spent in the air is 2 hours, 13 minutes. These numbers are averages. In reality, it varies by airline with Alaska being the fastest taking 2 hours, 38 minutes, and Delta the slowest taking 2 …01:10PM PDT San Diego Intl - SAN. 04:07PM PDT Seattle-Tacoma Intl - SEA. B739. 2h 57m. Join FlightAware View more flight history Purchase entire flight history for ASA1157. Get Alerts. Named for the Canadian hometown of two 19th century engineers who first developed the area for urban living, Ontario is known as the "gateway to southern California." Resting 35 miles east of downtown Los Angeles, popular attractions like Disneyland and the mountain retreats of Lake Arrowhead and Big Bear are all within reach of Ontario. Toll-free: 1-800-361-3223. TTY: 416-325-3408. Toll-free TTY: 1-800-268-7095. Updated: April 22, 2024. Published: July 13, 2020. The Ontario Business Registry allows businesses and not-for-profit corporations to complete over 90 transactions online, including registering, incorporating, and updating their information.Named for the Canadian hometown of two 19th century engineers who first developed the area for urban living, Ontario is known as the "gateway to southern California." Resting 35 miles east of downtown Los Angeles, popular attractions like Disneyland and the mountain retreats of Lake Arrowhead and Big Bear are all within reach of Ontario. In the city, walk …How far is it between Seattle and Ontario. Seattle is located in United States with (47.6062,-122.3321) coordinates and Ontario is located in Canada with (34.0633,-117.6509) coordinates. The calculated flying distance from Seattle to Ontario is equal to 967 miles which is equal to 1556 km.. If you want to go by car, the driving distance between Seattle …C$ 2,446. Flights from Kingston, Ontario to Seattle. C$ 777. Flights from London, Ontario to Seattle. C$ 692. Flights from Ottawa to Seattle. C$ 1,088. Flights from Sault Ste Marie to Seattle. View more.The CCAA Museum of Art (which stands for Chaffey Community Museum of Art) is one of the oldest organizations in the area to support the local art scene. You’ll see exhibits from nationally-recognized individuals, but also new offerings from those you aren’t familiar with. 2. Go Museum Hopping. Source: ontarioarts.org.Toll-free: 1-800-361-3223. TTY: 416-325-3408. Toll-free TTY: 1-800-268-7095. Updated: April 22, 2024. Published: July 13, 2020. The Ontario Business Registry allows businesses and not-for-profit corporations to complete over 90 transactions online, including registering, incorporating, and updating their information. Compare flight deals to Ontario from Seattle from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys. Flex your dates to find the best Seattle–Ontario ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to ... Seattle/Tacoma, WA to Ontario/LA, CA. departing on 10/31. Book now. Book flights from Seattle/Tacoma to Ontario/LA with Southwest Airlines®. Bundle your flight with a hotel or rental car booking and find even more savings. 01:10PM PDT San Diego Intl - SAN. 04:07PM PDT Seattle-Tacoma Intl - SEA. B739. 2h 57m. Join FlightAware View more flight history Purchase entire flight history for ASA1157. Get Alerts.The total driving distance from Seattle, WA to Ontario, CA is 1,170 miles or 1 883 kilometers. Your trip begins in Seattle, Washington. It ends in Ontario, California. If you are planning a road trip, you might also want to calculate the total driving time from Seattle, WA to Ontario, CA so you can see when you'll arrive at your destination.There are 3 airlines that fly nonstop from Seattle to San Francisco. They are: Alaska Airlines, Delta and United Airlines. The cheapest price of all airlines flying this route was found with Delta at $78 for a one-way flight. On average, the …There are many international destinations you can fly to non-stop from Ontario. The most popular international destinations from KAYAK users are Guadalajara and San Salvador. On average, the cheapest of these destinations on KAYAK over the last 2 weeks for a return flight was Guadalajara at $202, while the most expensive was San Salvador, at $242. Find and book flights from Seattle (SEA) to Ontario (ONT) starting at CA $93 for one-way and CA $106 for round trip. Compare prices, dates, airlines and earn rewards with Expedia.ca. These results are based on the actual driving distance from Ontario, CA to Seattle, WA, which is 1,170 miles or 1 883 kilometers. Your trip begins in Ontario, California. The price of regular gas is currently averaging $5.30 in California. Your trip ends in Seattle, Washington. The price of regular gas is around $5.07 in Washington. Currently, we only have exact …drive for about 2.5 hours. 5:01 pm Santa Barbara. stay for about 4 hours. and leave at 9:01 pm. drive for about 2.5 hours. 11:31 pm arrive in Ontario. day 3 driving ≈ 9 hours. find more stops. Recommended videos. Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $699. Flights from London, Ontario to Seattle. $507. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $323. Get all the information (schedule, fares, stations) to plan your train trip in Canada and book your tickets.One Way Flights vs Round Trip Flights from Seattle to Ontario, California . We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to Ontario, California. However, booking a round trip flight ...Mar 12, 2024 · 1 airport. The best one-way flight to Ontario from Seattle in the past 72 hours is $40. The best round-trip flight deal from Seattle to Ontario found on momondo in the last 72 hours is $100. The fastest flight from Seattle to Ontario takes 2h 27m. Direct flights go from Seattle to Ontario every day. The easy way to book your flights from Visalia to Ontario. With Expedia, it’s simple to find and book flights to Ontario from Visalia whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too.Find the cheapest buses from Seattle to Ontario. Looking for cheap tickets from Seattle to Ontario? FlixBus has you covered. The distance between Seattle and Ontario is 466 miles, which takes a minimum of 11 hours 5 minutes. FlixBus has a large nationwide network, so you can travel onwards with us once you reach Ontario.Direct (non-stop) flights from Ontario to Seattle All flight schedules from Ontario International Airport , California , USA to Seattle Tacoma International , Washington , USA. This route is operated by 3 airline(s), and the flight time is 3 hours and 01 minute. The distance is 962 miles. ONT Ontario International Airport. Ontario , CA , USA SEA … Connecting flights between Seattle, WA and Ontario, CA. Here is a list of connecting flights from Seattle, Washington to Ontario, California. This can help you find a one-stop flight with the shortest layover time. We found a total of 12 flights to Ontario, CA with one connection: Airline routes; Delta Air Lines SEA to SLC to LGB The best city between Ontario, CA and Seattle, WA to meet is Project City, California. The closest zip code to the midpoint is 96079. The exact latitude and longitude coordinates are 40° 40' 54" N and 122° 20' 51" W. The closest major city that is roughly halfway is Sacramento, CA. The total driving distance from Ontario, CA to Seattle, WA is ...The average price for a train ticket from Seattle to Ontario is $128.00, Tickets are generally pricier for this train route, which is to be expected given the long distance. By booking your trip at least 25 days in advance, you increase your chances of scoring even cheaper tickets. But if you wait until the day of your trip to book tickets ...️ Use the interactive calendar available on Expedia to see the cheapest Alaska Airlines (Seattle SEA - Los Angeles ONT) 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.The flight time from Ontario to Seattle is 2 hours, 39 minutes. The time spent in the air is 2 hours, 13 minutes. These numbers are averages. In reality, it varies by airline with Alaska being the fastest taking 2 hours, 38 minutes, and Delta the slowest taking 2 … Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $699. Flights from London, Ontario to Seattle. $507. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $323. Amazing ONT to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $68 round trip and $34 one way. Prices and availability subject to change. Additional terms may apply. Sat, May 18 - Wed, May 22. ONT.Find United Airlines cheap flights from Ontario to Seattle. Enjoy a Ontario to Seattle modern flight experience in premium cabins with Wi-Fi. Skip to content-Skip to footer. HELP SEARCH United States-English keyboard_arrow_down. Book My Trip Travel info MileagePlus® Program Deals Help. United flights from Ontario to Seattle from $ 193 * … The calculation of flight time is based on the straight line distance from Seattle, WA to Ontario, CA ("as the crow flies"), which is about 966 miles or 1 554 kilometers. Your trip begins in Seattle, Washington. It ends in Ontario, California. Your flight direction from Seattle, WA to Ontario, CA is South (164 degrees from North). The total driving distance from Seattle, WA to Ontario, CA is 1,170 miles or 1 883 kilometers. Your trip begins in Seattle, Washington. It ends in Ontario, California. If you are planning a road trip, you might also want to calculate the total driving time from Seattle, WA to Ontario, CA so you can see when you'll arrive at your destination.The total driving time is 35 hours, 32 minutes. Your trip begins in Seattle, Washington. It ends in Ontario, Canada. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario. You can also calculate the cost to drive from Seattle, WA to Ontario based on current local gas prices and ...Find cheap flights from Seattle (SEA) to Ontario (ONT) with United Airlines. Compare fares, dates, and cabin classes for round trips or one-way flights.Please select from the following options. Calculate Postcard price. View Flat Rate Envelopes. View Flat Rate Boxes. Calculate price based on Shape and Size. Flights between Seattle, WA and Ontario, CA starting at £43. Choose between Alaska Airlines, Frontier Airlines, or Spirit Airlines to find the best price. Search, compare, and book flights, trains, and buses. This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Ontario departing on 14/5. Fares are subject to change and may not be available on all flights or dates of travel. Book your Amtrak train and bus tickets today by choosing from over 30 U.S. train routes and 500 destinations in North America.drive for about 2 hours. 2:49 pm Portland. stay for about 4 hours. and leave at 6:49 pm. drive for about 2.5 hours. 9:33 pm arrive in Seattle. stay at Ace Hotel. day 3 driving ≈ 7.5 hours. Recommended videos. The cheapest return flight ticket from Seattle to Ontario found by KAYAK users in the last 72 hours was for $78 on Frontier, followed by Delta ($177). One-way flight deals have also been found from as low as $54 on Frontier and from $89 on Alaska Airlines. Named for the Canadian hometown of two 19th century engineers who first developed the area for urban living, Ontario is known as the "gateway to southern California." Resting 35 miles east of downtown Los Angeles, popular attractions like Disneyland and the mountain retreats of Lake Arrowhead and Big Bear are all within reach of Ontario. Top tips for finding cheap flights to California. Looking for a cheap flight? 25% of our users found tickets from Seattle to the following destinations at these prices or less: Los Angeles $133 one-way - $261 round-trip; San Francisco $120 one-way - $246 round-trip.A full moon looks best when it appears on the eastern horizon just after the sun has set in the west. It will look more prominent than usual and be a beautiful, muted …The easy way to book your flights from Visalia to Ontario. With Expedia, it’s simple to find and book flights to Ontario from Visalia whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too.Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $656. Flights from London, Ontario to Seattle. $505. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $311.What companies run services between Ontario, CA, USA and Seattle, WA, USA? Alaska Airlines, Inc., Frontier Airlines and three other airlines fly from Ontario to Seattle hourly. Alternatively, you can take a bus from Ontario to Seattle via Pomona Transit Center, Patsaouras Plaza Busway Station W, Los Angeles Union Station, and Sacramento Bus ...Fly Air Canada, voted "Best Airline in North America" by Skytrax and Global Traveler Magazine. Book your Seattle to Toronto flight today. Skip to content-Skip to footer United States-English keyboard_arrow_down. Travel with Air Canada from Seattle to Toronto (SEA - YYZ) from USD 278* Book with cash. arrow_drop_down. Round-trip. … Seattle / Tacoma to Ontario Flights. Flights from SEA to ONT are operated 31 times a week, with an average of 4 flights per day. Departure times vary between 06:30 - 21:26. The earliest flight departs at 06:30, the last flight departs at 21:26. However, this depends on the date you are flying so please check with the full flight schedule above ... Toronto, Ontario, Canada, CN Tower Cityscape. It’s the first time we’ll connect our home airport to Canada’s largest city Alaska Airlines is announcing new service this spring to a dynamic Canadian destination our guests are going to love: We’ll begin daily nonstops between Seattle and Toronto starting on May 16, 2024, with convenient …
Flight Arrivals information at Ontario Airport (ONT): Status and Estimated times - Today ... Seattle (SEA) 09:28 pm AS1088. QR2105. Alaska Airlines. Qatar Airways . 2. Terminal 2. Landed - On-time [+] Salt Lake City (SLC) 09:37 pm DL1628. AM3463. KL6678. VS3583. Delta Air Lines. Aeromexico . KLM Royal Dutch Airlines . Virgin Atlantic . 2. Terminal 2. …. Ddl.
ONT. Ontario , CA. Distance. 962 miles · (1548 km) CHANGE DIRECTION. Flight time. 2 hours and 48 minutes. Airlines with direct flights from Seattle (SEA) to Ontario (ONT) …Prices were available within the past 7 days and start at $24 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Looking for cheap flights to Ontario? Book now to earn airline miles in addition to our OneKeyCash rewards and receive alerts if flight prices ...Airfare From Seattle To Ontario Ca. Pros: "Delayed for one day 3 hours waiting time on the phone to reschedule the ticket". Cons: "One crew member is not particularly helpful when passengers needed assistance. Were quoted 30 for the price of the bag--charged 45. So I sat with the "others" waiting at the gate. Scan through all non-stop flights from Ontario …Delta, Alaska Airlines, Inc. and Southwest Airlines fly from Seattle to Windsor every 3 hours. Alternatively, you can take a train from Seattle to Toronto via Chicago Union Station, Dearborn, Dearborn Transit Center, Cass + Michigan, and Windsor in …Use Google Flights to find cheap departing flights to Ontario and to track prices for specific travel dates for your next getaway.Top tips for finding cheap flights to California. Looking for a cheap flight? 25% of our users found tickets from Seattle to the following destinations at these prices or less: Los Angeles $133 one-way - $261 round-trip; San Francisco $120 one-way - $246 round-trip.Ontario, California. Train Station - Platform only (no shelter) 198 East Emporia Street. Ontario, CA 91764. Directions. Developed as a model colony by four brothers from Ontario, Canada, the town is known for its All-States Picnic, which celebrates the origins of the town’s original settlers.The cheapest plane ticket found by our users is $68. This airfare is for economy class on one-way AA1224 flight by American Airlines for August 27, 2020 which leaves Ontario Int. in Ontario at 08:30 am and arrives at Seattle Seattle …Fly from Seattle to Ontario on Sun Country Air from $125... Search for Ontario flights on KAYAK now to find the best deal.Find United Airlines cheap flights from Medford to Ontario. Enjoy a Medford to Ontario modern flight experience in premium cabins with Wi-Fi. Skip to content-Skip to footer. HELP SEARCH United States-English keyboard_arrow_down. Book My Trip Travel info MileagePlus® Program Deals Help. United flights from Medford to Ontario from $ 258 * …Find cheap flights from Seattle (SEA) to Ontario (ONT) with United Airlines. Compare fares, dates, and cabin classes for round trips or one-way flights. What companies run services between Seattle, WA, USA and Ontario, CA, USA? Alaska Airlines, Inc., Delta and two other airlines fly from Seattle to Ontario hourly. Alternatively, you can take a bus from Seattle to Ontario via Sacramento Bus Station, Bakersfield Train Station, and Bakersfield in around 27h 20m. Airlines. Best site for finding today’s lowest flight prices, unadvertised fare sales, and mistake prices. Updated daily. Find the best price before you book your trip to Ontario, CA (ONT).The cheapest way to get from Seattle to Ontario costs only $165, and the quickest way takes just 4½ hours. Find the travel option that best suits you. Please select from the following options. Calculate Postcard price. View Flat Rate Envelopes. View Flat Rate Boxes. Calculate price based on Shape and Size. Seattle/Tacoma, WA to Ontario/LA, CA. departing on 10/31. Book now. Book flights from Seattle/Tacoma to Ontario/LA with Southwest Airlines®. Bundle your flight with a hotel or rental car booking and find even more savings. .