Alaska Airlines STL Terminal – St. Louis Lambert International Airport

Alaska Airlines STL Terminal gives all these services to its passengers. Luggage service, transport, passenger service, parking, and lost & found services are all available to visitors in the STL Terminal. Knowing what services are available in the Alaska Airlines STL Terminal makes your trip much easier whether you depart from, land in, or transit through St. Louis Lambert International Airport.

Essential Information About Alaska Airlines STL Terminal

Departing Alaska Airlines Flights from STL

Alaska Airlines continues to expand its services in St. Louis. The following are its routes currently active:

• STL to Seattle-Tacoma (SEA): The very first and longest-running destination for Alaska in St. Louis.
• STL to Portland (PDX): Launched on May 13, 2026, to serve as Alaska’s second destination in Pacific Northwest from STL, flying daily, nonstop, all-year round, with Alaska Flight 338 arriving in St. Louis at 4:37 p.m. and Alaska Flight 337 departing at 5:33 p.m.
• STL to San Diego (SAN): Daily service that is part of Alaska’s larger Midwest expansion, using Embraer E175 planes with a capacity of 76 passengers.
• STL to Puerto Vallarta, Mexico: Southbound travel services for travelers going to the beach.

Services: Name Correction, Baggage, Cancellation & Refunds

You can correct small errors through Alaska Airlines name change process or by contacting customer care. Some legal errors may need some documentations. You have to ensure that the ticket is in line with the government-issued identification card since tickets are not transferrable.

Alaska Airlines Baggage fee vary according to the fare type, routes, and the Mileage Plan status level. There are some fares where free baggage check is provided while some others have a baggage charge based on number of pieces. You can visit Alaska Airlines’ official baggage page for details.

In accordance with the Alaska Airline Cancellation Fee, the ticket will be canceled within 24 hours of booking if it is seven days prior to departure; however, other rules apply depending on your fare type.

According to the Alaska Airlines refund policy, the amount refunded is based on the type of ticket you buy. If the ticket is refundable, then the money paid for the ticket is refunded back through the payment channel used; otherwise, it becomes a travel voucher.

Services & Facilities Offered by Alaska Airlines at STL Airport Terminal

View Map of Alaska Airlines St. Louis Lambert International Airport

List of All Alaska Airlines Terminals Worldwide.

Conclusion

It does not matter whether you arrive in, depart from, or transit through St. Louis Lambert International Airport; knowing about the terminal and the services that it offers will definitely make your trip easier. In the Alaska Airlines STL Terminal, there are all these services: luggage service, transport, passenger service, parking, and lost & found. Getting acquainted with the terminal makes your trip easier.