Cheap flights from Seattle to Chicago
Flights from Seattle to Chicago currently start at €124. 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: 6h 30m
Key facts
- Lowest fare
- €124 · Tue 24 Nov
- Direct flights
- Yes
- Flight time
- 6h 30m
- Airlines
- Frontier Airlines, Alaska Airlines, Southwest Airlines
- Cheapest month
- November 2026
- Distance
- 2787 km
Round trip
One way
Questions people ask before they book
How much are flights from Seattle to Chicago?
The lowest fare we currently show from Seattle to Chicago is €124 for one adult. That price is tied to specific dates and can sell out.
Are there direct flights from Seattle to Chicago?
Yes. Direct flights from Seattle to Chicago show up in current fares. Filter by Direct when you search to hide connections.
Which airlines fly from Seattle to Chicago?
Airlines showing fares on this route include Frontier Airlines, Alaska Airlines, Southwest Airlines. The cheapest airline is not always the one with a bag included.
How long is the flight from Seattle to Chicago?
A typical itinerary from Seattle to Chicago takes about 6h 30m, including connections when the cheapest fare is not direct.
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November 2026