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Amazing ONT to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $137. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for ONT to SEA

Carrier Flight Depart ONT Arrive SEA Wed
10/23
Thu
10/24
Fri
10/25
Sat
10/26
Sun
10/27
Mon
10/28
Tue
10/29
Stops
AS 305 09:50 am 12:35 pm Check fare Check fare Check fare - Check fare Check fare Check fare 0 stop(s)
AS 483 05:20 pm 08:05 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 399 06:00 am 08:45 am - Check fare Check fare Check fare Check fare Check fare - 0 stop(s)

Best Seattle - Tacoma Intl. Flight and Hotel Packages

Seattle - Tacoma Intl. flight + hotel packages - economy flights

FAQs about flights from Los Angeles - Ontario Intl. Airport (ONT) to Seattle - Tacoma Intl. Airport (SEA)

Are there direct flights from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Sea-Tac Airport?

The only thing separating you and your next amazing adventure is a single flight. Alaska Airlines is the only air carrier that offers direct services from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.), so it's a good idea to book ahead.

How long is the flight from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Sea-Tac Airport?

It takes approximately 3 hours and 5 minutes to travel from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). You'll be in the air for a while, so amuse yourself with a film or read your favorite novel.

What is the flight distance from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Sea-Tac Airport?

Traveling 994 miles (1,600 kilometers) between Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) and Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) calls for a glass of vino and a few good movies. Put your seat back, get comfortable and simply enjoy the flight.

What airlines fly direct from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Sea-Tac Airport?

Locked in the dates for your big adventure? Prefer to fly nonstop from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.)? With Alaska Airlines offering as many as 64 flights each month, you'll be cruising above the clouds before you know it.

Flying Tips & TricksHow do I find my flight number?
  • Your flight code will be within your itinerary, which will be emailed to you once your booking has been completed. It's wise to keep this at hand in case you have to make any changes to your ticket.
How early can you check bags for a flight?
  • There's no need to kill time at home if you're packed and ready to jet off on your exciting adventure. International flights start their check-in process three hours before departure. Meeting some friends at the airport? Be sure to advise them that luggage drop closes an hour before takeoff. If you're taking a domestic flight, you should get to the terminal a couple of hours prior to departure. Check-in closes 45 minutes before the plane leaves.

Los Angeles - Ontario Intl. to Seattle - Tacoma Intl. Flight FAQ

Number Of Flight Options 2
Average Flight Time 3 hours 8 minutes

Save on your next flight from ONT to SEA when you book through Travelocity. Need a last-minute flight to Seattle? Travelocity offers discount airfare no matter when you book, even on popular routes such as Los Angeles - Ontario Intl. Airport to Seattle - Tacoma Intl. Airport. Whether you need a direct or indirect flight, you can trust Travelocity to provide you with the best prices for ONT to SEA flights.





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Ontario to Seattle Carriers and Route Information

Flight path for flights from LA/Ontario International Airport to Seattle-Tacoma International Airport.


Distance:
1,047.00 miles




Hotels near Seattle - Tacoma Intl. Airport (SEA)

Red Roof Inn Seattle Airport - SEATAC $64
Reviewed on Oct 3, 2019
See details
 
Red Roof Inn Seattle Airport - SEATAC

Red Roof Inn Seattle Airport - SEATAC

16838 International Boulevard, SeaTac, WA
     
    3.3 of 5
    2.0 out of 5.0 Stars

    Location is good, 5-10 min to/from SEA/TAC airport by Free shuttle. To Link Light Rail station, it's walking distance, approx 10min walk. Bus Stop for Route A is located in front of the hotel.

    Ramada by Wyndham SeaTac Airport $70
    Reviewed on Oct 14, 2019
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    Ramada by Wyndham SeaTac Airport

    Ramada by Wyndham SeaTac Airport

    16720 International Blvd, SeaTac, WA
       
      3.3 of 5
      2.5 out of 5.0 Stars

      Good for a single night stay when flying out of Sea-Tac the following morning. Good value.

      Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA $84
      Reviewed on Oct 18, 2019
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      Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA

      Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA

      3100 South 192nd Street, SeaTac, WA
         
        4.4 of 5
        2.5 out of 5.0 Stars

        We loved the full breakfast with lots of options and the complimentary airport shuttle. The staff was very helpful and friendly.

        Coast Gateway Hotel $98
        Reviewed on Oct 19, 2019
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        Coast Gateway Hotel

        Coast Gateway Hotel

        18415 International Blvd, SeaTac, WA
           
          4.4 of 5
          3.5 out of 5.0 Stars

          I loved the breakfast! Also the staff was friendly and the room alway got cleaned.

          *Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.