Flights operate between St Louis (STL) and SeaTac (SEA).
1 airline operates this route with 1-2 flights daily flights.
Average flight time is 4h 15m - 4h 42m.
Route distance is 1714 miles (2758 km).
Route Distance
1714 miles (2758 km)
Average Duration
4h 15m - 4h 42m
Airlines Operating This Route
Alaska Airlines
Flight Frequency
Daily Flights
1-2 flights
Weekly Flights
11
Typical Departure Time Ranges
Earliest Departure
07:00
Latest Departure
16:15
Flight Schedule & Filters
Flight Schedule Calendar
Loading calendar...
Direct (non-stop) flights from Saint Louis (STL) to SeaTac (SEA)
Direct (non-stop) flights operate between Saint Louis (STL) and SeaTac (SEA). This popular route is operated by 1 airline, offering multiple daily departures.• Flight Duration: 4h 15m - 4h 42m (average flight time)• Distance: 1714 miles (2758 km) (air miles between airports)• Daily Flights: 1-2 flights (scheduled departures per day)
Saint Louis (STL)
US
SeaTac (SEA)
US
FLIGHT TIME
4h 15m - 4h 42m
FLIGHT DISTANCE
1714 miles (2758 km)
4h 38m - 4h 41m
07:00
16:15
1714 miles (2758 km)
January
1 (Show)
11
Flight Schedule
Loading calendar...
Airlines with direct flights from Saint Louis (STL) to SeaTac (SEA)
Weather at SeaTac (SEA)
Loading weather charts...
Frequently Asked Questions
Do flights operate between STL and SEA?
Yes. 2 direct flights operate between St Louis (STL) and Seattle (SEA).
Which airlines operate this route?
1 airline operates this route: Alaska Airlines.
How many flights operate daily?
1-2 flights flights operate daily on this route.
What is the average flight duration?
The average flight duration is 4h 15m - 4h 42m.
Is this route operated year-round?
This route operates with 1-2 flights daily flights.
Route data verified regularly by Triposia Travel Research Team.