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SEA–STL · Nonstop
Seattle (Seattle-Tacoma International Airport) to St. Louis (St. Louis Lambert International Airport).
The estimated flight time from Seattle (SEA) to St. Louis (STL) is about 4h 6m, covering 1,705 miles. Alaska Airlines and Southwest Airlines fly the route nonstop with 4/day departures, from 05:20 to 18:09 local time.
Plan this route| Est. flight time | Distance | Route type | Captured freq. | Market |
|---|---|---|---|---|
| ~4h 6m Estimated from great-circle distance — no tracked flights yet. | 1,705 mi | Nonstop | 4/day From the current provider sample; confirm live timetables before booking. | Domestic |
Alaska Airlines and Southwest Airlines operate 4/day flights from SEA to STL.
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 3-4/day | Boeing 737 · Seat map | 07:5508:39 |
Methodology: airline, aircraft, terminal, and departure-time details come from a full week of published airline schedules for SEA, refreshed on a rolling basis. Frequency uses 28 scheduled departures across 7 observed days; flight time is estimated from flying distance until this route has enough tracked flights for an observed average.
The estimated flight time from Seattle (SEA) to St. Louis (STL) is about 4h 6m, based on the 1,705-mile flying distance.
Seattle (SEA) to St. Louis (STL) is about 1,705 miles by air.
Yes. Alaska Airlines and Southwest Airlines fly nonstop from Seattle (SEA) to St. Louis (STL), with 4/day departures.
Alaska Airlines and Southwest Airlines fly nonstop from Seattle (SEA) to St. Louis (STL).
The SEA–STL route is flown with Boeing 737.
| Southwest Airlines | 1/day | Boeing 737 · Seat map | 05:2009:4011:2012:05 |
|---|