$261 Cheap Alaska Airlines flights St. Louis (STL) to Anchorage (ANC)

Set the “Price (lowest to highest)” filter on Expedia to search for cheap Alaska Airlines round-trip flights from $474 from STL to ANC. Affordable one-way options from $261 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for one-way or round-trip flights to Anchorage in January or November. You could find cheaper fares with Alaska Airlines during these quieter months.

Start searching one to three months ahead of your travel date to get cheaper fares on Alaska Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Ted Stevens Anchorage Intl. Airport (ANC). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Use the “Nonstop” filter when browsing for direct Alaska Airlines flights from STL to ANC. You can also compare other airlines servicing the same nonstop trip.

Sort your results by “Early Morning” and “Morning” to see the earliest departures from STL to ANC. Taking off early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Ted Stevens Anchorage Intl. Airport (ANC) is the main Anchorage hub for Alaska Airlines flights from Lambert-St. Louis Intl. Airport (STL).

Traveling from STL to ANC with Alaska Airlines means enjoying a range of perks, including a rewarding loyalty program and top-tier customer service. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That’s on top of the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can change or cancel your flight, although there may be a charge if you booked over 24 hours ago. Need flexible options? Make use of our “No cancel fee” and “Changes included” filters to find flights that won’t charge you extra if you have to alter your plans. To modify your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for further information.