Flights from Seattle (SEA) to St Louis (STL)

Route intelligence for SEA → STL: direct flights, stopover options, and timetable coverage in one place.

Show route on mapAll flights from SEAAll flights to STL

Direct flights

3 direct option(s) across 3 airline(s).

  • Southwest Airlines · 0 min · 0 km
  • American Airlines · 236 min · 2744 km
  • Alaska Airlines · 236 min · 2744 km

Explore these airlines on this city pair

Open each airline route-map page to compare broader network depth before committing to a nonstop or one-stop strategy.

Southwest Airlines route map →American Airlines route map →Alaska Airlines route map →

Stopover options

  • No stopover itineraries available.

Timetable coverage

Published flight numbers: AA9271, AS388, TN2701, WN3632, WN140, WN4619, AA9443, AS291, JL5438, TN2699, AA7626, AS472, AY2545, QR3433, TN2703

Flight number: AA 9271

Operating days: 1, 2, 3, 4, 5, 6, 7

  • SEA 08:32 → STL 14:26

Plan this city pair

Compare nearby alternatives and airline networks to decide whether a direct trip, one-stop connection, or reverse search gives you better options.

Explore all departures from SEA →Explore all arrivals to STL →Compare airline network coverage →Browse airports by country →

Route planning checklist

  • Compare direct duration with one-stop total duration before committing to a fare.
  • Check inbound alternatives on flights to STL when return timing is important.
  • Use Guides for alliance and hub strategy playbooks.
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