$144 Cheap Alaska Airlines flights Missoula (MSO) to Washington (DCA)

View $144 flight on Tue, Nov 4, 2025Opens in a new window

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$144 Cheap Alaska Airlines flights Missoula (MSO) to Washington (DCA)

Prices were available within the past 7 days and start at $144 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Missoula (MSO) to Washington (DCA)
Origin airport
Missoula Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
1936 mi

Frequently asked questions

How much is an Alaska Airlines flight from Missoula Intl. Airport (MSO) to Ronald Reagan Washington National Airport (DCA)?
Apply the "Price (lowest to highest)" filter on Expedia to search for cheap Alaska Airlines return flights from MSO to DCA. Affordable one-way fares from $144 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.
What is the cheapest month to fly from MSO to DCA with Alaska Airlines?
January is one of the least expensive months to jet away to Washington with Alaska Airlines. You could also find great deals on one-way and round-trip tickets in February.
What is the cheapest time to book flights from Missoula Intl. Airport (MSO) to Ronald Reagan Washington National Airport (DCA) with Alaska Airlines?
Start searching one to three months before your departure to get cheap fares on Alaska Airlines flights from Missoula Intl. Airport (MSO) to Ronald Reagan Washington National Airport (DCA). 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.
Does Alaska Airlines fly nonstop from Missoula Intl. Airport (MSO) to Ronald Reagan Washington National Airport (DCA)?
Fill in your dates, press search and tick the "Nonstop" filter on Expedia to find any direct flights from MSO to DCA with Alaska Airlines or another carrier.
What is the earliest Alaska Airlines flight from MSO to DCA?
Browse Alaska Airlines's earliest flights from MSO to DCA by using our "Early Morning" and "Morning" filters. Not only will you arrive sooner, early departures also experience 20% fewer 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 Washington?
Alaska Airlines flights from Missoula Intl. Airport (MSO) to Washington come in to Ronald Reagan Washington National Airport (DCA). This is the main gateway here.
Why fly with Alaska Airlines from MSO to DCA?
Alaska Airlines makes traveling from MSO to DCA enjoyable with a rewarding loyalty program and top-tier customer service. You could even start collecting points with Mileage Plan. Remember to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on 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 Missoula Intl. Airport (MSO) to Ronald Reagan Washington National Airport (DCA)?
Changes are usually free within 24 hours of booking, but your airline may add a charge after that. For further details about modifying your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your itinerary without extra charges, apply the "No cancel fee" or "Changes included" filter when organizing your trip.

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