$186 Cheap Alaska Airlines flights Baltimore (BWI) to Missoula (MSO)

View $186 flight on Tue, Sep 30, 2025Opens in a new window

$186 Cheap Alaska Airlines flights Baltimore (BWI) to Missoula (MSO)

Prices were available within the past 7 days and start at $186 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Baltimore (BWI) to Missoula (MSO)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Missoula Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
1942 mi

Frequently asked questions

How much is an Alaska Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Missoula Intl. Airport (MSO)?
You can find cheap round-trip Alaska Airlines flights from BWI to MSO by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $186 for a one-way trip.**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 BWI to MSO with Alaska Airlines?
Alaska Airlines flights to Missoula are often cheaper in the quieter months of January and February. Whether you're after a round-trip or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Missoula Intl. Airport (MSO) with Alaska Airlines?
Begin your search one to three months before your departure to find cheaper fares on Alaska Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Missoula Intl. Airport (MSO). 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.* Nail your timing, and you can enjoy significant savings on domestic trips.*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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Missoula Intl. Airport (MSO)?
Click on the "Nonstop" filter when searching for direct Alaska Airlines flights from BWI to MSO. You'll also be able to compare other carriers offering the same direct route.
What is the earliest Alaska Airlines flight from BWI to MSO?
Find Alaska Airlines's earliest flights from BWI to MSO by checking the "Morning" and "Early Morning" filters. Not only will you get to where you're going sooner, early departures are also 20% less likely to be canceled.**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 primary Missoula gateway for Alaska Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
Why fly with Alaska Airlines from BWI to MSO?
With a rewarding loyalty program and top-tier customer service, Alaska Airlines is a top choice for many travelers flying from BWI to MSO. What's more, 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 you can put toward future travel.*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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Missoula Intl. Airport (MSO)?
Changes are often free within 24 hours of booking, but your airline may add a charge after that. For further information about modifying your flights, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to make changes without additional costs, tick the "No cancel fee" or "Changes included" filter when planning your trip.

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*Available to One Key members.