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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?

    $360

  • When does the earliest flight depart ONT?

    6:00AM - 7:00AM

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

    April

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

    December

  • What is the travel distance between Ontario and Seattle?

    957 Miles

  • What are the top airlines offering flights from ONT to SEA?

    Alaska Airlines, American Airlines, Japan Airlines

  • How many weekly flights operate between ONT and SEA?

    There are 101 weekly flights between ONT and SEA.

  • How many daily flights fly between Ontario and Seattle?

    There are 13 daily flights between ONT and SEA

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

    Saturday

  • What percentage of Ontario to Seattle travelers traveled with their kids under 14?

    5% traveled with their kids under 14.

  • What percentage of Ontario to Seattle travelers were millennials?

    30% of Seattle travelers were millenials.

  • What percentage of Ontario to Seattle travelers were female?

    55% of Seattle travelers were female.

  • What percentage of Ontario to Seattle travelers were over the age of 60?

    24% of Seattle travelers were over the age of 60.

  • What was the average flight duration of flights from Ontario to Seattle?

    02.40 Hours

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