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Ontario Seattle - Cheap flights

Special flight deals from Ontario to Seattle

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Find the best time to book cheap flights to Seattle

Flexible on travel dates? Discover the cheapest month to fly to Seattle

  • Cheapest round-trip flight

    from 64 USD

  • Cheapest month to travel

    January

  • The cheapest day to fly

    Sunday

  • Lowest prices

    30 days before
Nov
??
Dec
138 USD
Jan
64 USD
Feb
??
Mar
??
Apr
??
May
??
Jun
??
Jul
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Aug
??
Sep
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Oct
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When is the best time to buy flight tickets?

Find out how far in advance it's worth booking round-trip flights.

  • 6 months before

    from

    357 USD

  • 3 months before

    from

    417 USD

  • 30 days before

    from

    316 USD

  • 7 days before

    from

    558 USD

  • 1 day before

    from

    522 USD

Discover the cheapest day to fly

Discover on which day of the week flights are usually the most affordable.
335 USD
Mon
364 USD
Tue
420 USD
Wed
399 USD
Thu
486 USD
Fri
513 USD
Sat
320 USD
Sun

General information

  • Local time (UTC-8)

  • Local currency

    USD
Seattle
Seattle, the largest city in the state of Washington, is situated between Puget Sound and Lake Washington, about 175 km from the Canadian border. Home to about 684,451 people in 2015, it is known as the "Emerald City" and serves as an important seaport and air gateway for trade with Asia. Seattle attracts visitors with the Space Needle, Pike Place Market, and the Museum of Pop Culture. The climate is temperate, with mild winters and cool summers. The best time to visit is summer, when temperatures are pleasant.

Popular flights to Seattle

Popular flights to United States of America