Cheap flights from Chicago to Seattle
Chicago to Seattle is 2,789 km. Below are the cheapest fares found in the last few days, each one stamped with when it was seen and which airline sold it.
Fares found recently
Prices come from searches Aviasales users ran recently, not from a live availability check, which is why each one shows when it was found. Open the search to see today's seats.
The rest of the trip
Adverts. We are paid a commission on these links, and they cost you nothing extra.Airlines on this route
- American Airlines
- Alaska Airlines
- United Airlines
- Southwest AirlinesLow cost
Other routes from Chicago
Orlando
Chicago · United States
Nonstop1,587 kmfrom$72seen 29 Aug 2026Fort Lauderdale
Chicago · United States
Nonstop1,881 kmfrom$114seen 29 Aug 2026Los Angeles
Chicago · United States
Nonstop2,804 kmfrom$130seen 29 Aug 2026Atlanta
Chicago · United States
Nonstop948 kmfrom$170seen 29 Aug 2026Mexico City
Chicago · Mexico
2,722 kmfrom$175seen 29 Aug 2026Las Vegas
Chicago · United States
Nonstop2,448 kmfrom$192seen 29 Aug 2026
- How much is a flight from Chicago to Seattle?
- The cheapest fare found in the last few days was $252. That is a recent find rather than a live quote, so the page shows exactly when it was seen.
- Is there a nonstop flight from Chicago to Seattle?
- The page lists the cheapest nonstop fare and the cheapest fare with a connection separately, whenever both were found.
- How often do these prices update?
- Every hour. When a fare moves materially we tell the search engines the same hour, so the number in search results follows the number on the page.