Route Guide
STL→SEAmedium haul
St. Louis Lambert International Airport (St Louis) to Seattle–Tacoma International Airport (Seattle) — 2,744 km, ~3h 33m estimated flight time.
View SEA → STL insteadAirports on This Route
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Route Overview
STL to SEA covers a great-circle distance of 2,744 km (1,705 miles), classified as a medium haul route. At typical cruise speed, the estimated flight time is around 3h 33m — actual block time varies by aircraft type, winds and routing. Seattle is 2 hours behind St Louis (standard offset, not accounting for daylight saving time). This is a domestic route within United States. Route data indicates this city pair has historically been served nonstop.
Airlines on This Route
AA
American Airlines
United States
Aircraft types on record: 737
Airline and schedule data comes from historical route records and may not reflect current, seasonal or codeshare-only service. Always confirm live schedules with the airline before booking.
Other Routes from St Louis
STL → SFO
San Francisco International Airport · San Francisco
2,786 km · medium haul
STL → BOS
Boston Logan International Airport · Boston
1,680 km · medium haul
STL → YYZ
Toronto Pearson International Airport · Toronto
1,051 km · short haul
STL → CLT
Charlotte Douglas International Airport · Charlotte
924 km · short haul