Airport terminal guide

Alaska Airlines at STL: Terminal 1

Alaska Airlines departures from St Louis Lambert International Airport (STL) most commonly use Terminal 1in FlightQ's current schedule data. The airline has 4/day across 2 nonstop destinations from this airport.

Alaska Airlines routes from STL

STL to SEASeattle3/day
Boeing 737
STL to PDXPortland1/day
Boeing 737

Terminal FAQ

What terminal does Alaska Airlines use at STL?

Alaska Airlines departures at STL most commonly use Terminal 1 in FlightQ's current schedule data.

Where does Alaska Airlines fly from STL?

Alaska Airlines has scheduled nonstop service from STL to 2 destinations in this dataset, led by SEA, PDX.

Terminal data is based on the most common departure terminal captured in current schedule data, checked August 17, 2026. Airports and airlines can change terminals for operational reasons, so use this as a planning guide and confirm before departure.