Cheap Alaska Airlines flights St. Louis (STL) to Missoula (MSO)

Flights from St. Louis (STL) to Missoula (MSO)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Missoula Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
1320 mi

Frequently asked questions

How much is an Alaska Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Missoula Intl. Airport (MSO)?
Finding cheap one-way Alaska Airlines flights from STL to MSO on Expedia is a breeze --- just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares for your next exciting adventure.**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.
What is the cheapest month to fly from STL to MSO with Alaska Airlines?
Alaska Airlines flights to Missoula are often cheaper in the off-peak months of January and February. Whether you're searching for a return or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Lambert-St. Louis Intl. Airport (STL) to Missoula Intl. Airport (MSO) with Alaska Airlines?
Look for cheap Alaska Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Missoula Intl. Airport (MSO) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.
Does Alaska Airlines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Missoula Intl. Airport (MSO)?
Fill in your dates, press search and tick the "Nonstop" filter on Expedia to browse any direct flights from STL to MSO with Alaska Airlines or other carriers.
What is the earliest Alaska Airlines flight from STL to MSO?
To find the earliest departures from STL to MSO with Alaska Airlines, filter your results by "Early Morning" and "Morning." Choosing an early flight generally 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.
What airports does Alaska Airlines fly into in Missoula?
Missoula Intl. Airport (MSO) is the main Missoula hub for Alaska Airlines flights from Lambert-St. Louis Intl. Airport (STL).
Why fly with Alaska Airlines from STL to MSO?
With a rewarding loyalty program and an excellent in-flight experience, Alaska Airlines is the leading choice for many travelers heading from STL to MSO. Plus, if you're a Mileage Plan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Missoula Intl. Airport (MSO)?
Changes are usually free within 24 hours of making your booking, but your airline may charge you after that time. For further details about modifying your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to make changes without being charged, tick the "Changes included" and "No cancel fee" filters when organizing your next getaway.

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*Available to One Key members.