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Recent Seattle Posts


Search Cheap Flights from Ontario to Seattle

Find affordable air fare deals from Ontario (ONT) to Seattle (SEA) and jet set for a memorable vacation without breaking the bank! Book Seattle flights on OneTravel offering exclusive airfare deals featuring the most traveled routes.


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    Ontario to Seattle Flight Route Facts

  • What is the cheapest return flight price from ONT to SEA?

    $183

  • What is the fare range for flights from ONT to SEA?

    $183 - $575

  • When does the earliest flight depart ONT?

    9:40AM Alaska Airlines Flight #537

  • When does the latest flight depart SEA?

    5:40PM Alaska Airlines Flight #550

  • Which is the busiest month to travel from Ontario to Seattle?

    April

  • Which is the least-busy month to travel from ONT to SEA?

    January

  • What is the travel distance between Ontario and Seattle?

    1,665 miles

  • How many weekly flights operate between ONT and SEA?

    There are 1 weekly flights between ONT and SEA.

  • Which is the busiest day in terms of passengers flying from ONT to SEA?

    Tuesday

  • In last 30 days, what is the %age of SEA visitors who spent less than 3 days in the city?

    100.00 %

  • Which airport is located close to SEA?

    Kenmore Air Harbor

  • Which airport is located close to ONT?

    Ogoki Post Airport

Seattle Reviews

Really enjoyed trip

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- Ronnie  May 08, 2019
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- VICTOR  Apr 27, 2019