← Seattle to St Louis: all datesSee all →
Round trip
Seattle to St Louis 🇺🇸
$339
- Departs
- Wed, Oct 28
- Return
- Fri, Nov 6
- Stops
- 1 stop
- Airline
- Frontier Airlines
- Duration
- 6h
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Work-hours calculator
This flight to St Louis costs you 22h 36m of work.
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Prices come from fares travellers found in the last few days and can change at any time. Last updated Fri, 23 Oct 2026 06:59:53 GMT.
