Cheap flights from Chicago to Seattle, WA, États-Unis (MDW - SEA)

As a rule, buying flight tickets from Chicago to Seattle, WA expends a lot. Using our service of searching for cheap flight tickets, you will be able to save a significant sum of money! We will help tip to buy flight tickets from Chicago to Seattle, WA at the most favorable prices.

Out service helps you to find tickets from Chicago to Seattle, WA in the most reliable travel agencies and booking systems, including all the airline companies. We don't sell tickets and don't do any surcharges, we just find the best offers - you choose yourself where you want to buy flight tickets Chicago - Seattle, WA at the best price!

We also recommend you to look through the prices for return tickets from Seattle, WA to Chicago.

Airfares found by our users in the past 24 hours

The cheapest flight from Chicago to Seattle, WA is 238 on Frontier Airlines, departing on 17.04.2025 and returning on 24.04.2025.
The price for these dates could change. Use search to get the best price.
AirlineDeparture dateReturn datePrice
Frontier Airlines17.04.202524.04.2025from 238

Average round-trip airfares from Chicago to Seattle, WA by months

MoisRound-Trip
avril 202517.04 - 24.04from 238
mai 2025find now
juin 202504.06 - 11.06from 238
juillet 2025find now
août 2025find now
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The price which were found by our clients for the latest several days. Given ticket prices could change. It's connected with the presence of flight tickets while booking.

Airlines are flying from Chicago to Seattle, WA

Southwest Airlines
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