Cheap flights from Chicago to Seattle
Flights from Chicago to Seattle currently start at €152. Below are the cheapest dates, typical duration and airlines on this route. Search live fares when you are ready to book — prices change during the day.
Prices refresh daily · per adult · Typical time: 4h 47m
Key facts
- Lowest fare
- €152 · Fri 13 Nov
- Direct flights
- Yes
- Flight time
- 4h 47m
- Airlines
- Alaska Airlines, American Airlines, United Airlines, Frontier Airlines
- Cheapest month
- November 2026
- Distance
- 2787 km
Round trip
One way
Questions people ask before they book
How much are flights from Chicago to Seattle?
The lowest fare we currently show from Chicago to Seattle is €152 for one adult. That price is tied to specific dates and can sell out.
Are there direct flights from Chicago to Seattle?
Yes. Direct flights from Chicago to Seattle show up in current fares. Filter by Direct when you search to hide connections.
Which airlines fly from Chicago to Seattle?
Airlines showing fares on this route include Alaska Airlines, American Airlines, United Airlines, Frontier Airlines, Southwest Airlines. The cheapest airline is not always the one with a bag included.
How long is the flight from Chicago to Seattle?
A typical itinerary from Chicago to Seattle takes about 4h 47m, including connections when the cheapest fare is not direct.
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November 2026