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

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

Show route on mapAll flights from STLAll flights to SEA

Direct flights

7 direct option(s) across 7 airline(s) · 2,744 km route distance.

  • Southwest Airlines · 260 min · 2744 km
  • Alaska Airlines · 269 min · 2744 km
  • American Airlines · 269 min · 2744 km
  • Finnair · 271 min · 2744 km
  • Air Tahiti Nui · 271 min · 2744 km
  • Japan Airlines · 271 min · 2744 km
  • Qatar Airways · 271 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 →Alaska Airlines route map →American Airlines route map →Finnair route map →Air Tahiti Nui route map →Japan Airlines route map →

Stopover options

  • No stopover itineraries available.

Timetable coverage

Published flight numbers: WN2190, AA7628, AA9271, AA9443, AS291, AS388, AS473, AY2588, JL5439, QR8886, TN2509, TN2699, TN2701, WN4070

Flight number: WN 2190

Operating days: 1, 4, 5

  • STL 08:25 → SEA 10:45

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 STL →Explore all arrivals to SEA →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 SEA when return timing is important.
  • Use Guides for alliance and hub strategy playbooks.
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