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Cheapest flights to Seattle

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Chicago to Seattle: things to know

The most popular route is from Chicago O'Hare International Airport in Chicago to Sea-Tac Airport in Seattle. On average this flight takes 5 hours 7 minutes one way and costs £417 for the round trip.

Most popular route
Chicago O'Hare International Airport (ORD) to Sea-Tac Airport (SEA)
Average flight time
5 hours 7 minutes
Average round-trip price
£417
Fly from Chicago to Seattle
7 airlines

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Airlines that fly from Chicago to Seattle

Airline options may vary according to recently booked flights and your search terms

  • Alaska Airlines
  • United Airlines
  • American Airlines
  • Frontier Airlines
  • Spirit Airlines
  • Hawaiian Airlines
  • Allegiant Air

Frequently asked questions

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