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$139+ Cheap flights from Washington, D.C. (WAS) to Missoula (MSO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MSO
May 4 — May 111
Mon 5/4
Mon 5/11
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Missoula

Cheapest flights from Washington, D.C. to Missoula
Explore the most affordable flight options available from Washington, D.C. to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.

This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:00 am
DCA
-
MSO
1 stop10h 28m
American Airlines
Sat 5/302:18 pm
MSO
-
DCA
1 stop7h 41m
American Airlines
Deal found 4/1$273
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:58 pm
IAD
-
MSO
1 stop6h 42m
Delta
Sat 5/303:30 pm
MSO
-
IAD
1 stop6h 09m
Delta
Deal found 3/31$273
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:59 pm
BWI
-
MSO
1 stop6h 41m
Delta
Sat 5/305:05 am
MSO
-
BWI
1 stop6h 50m
Delta
Deal found 3/31$277
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:27 pm
BWI
-
MSO
2 stops13h 49m
Delta
Fri 5/16:18 pm
MSO
-
BWI
1 stop9h 42m
Delta
Deal found 4/1$282
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:00 am
DCA
-
MSO
1 stop10h 28m
American Airlines
Sat 5/302:18 pm
MSO
-
DCA
1 stop7h 41m
American Airlines
Deal found 4/1$284
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:58 pm
IAD
-
MSO
1 stop6h 42m
Delta
Sat 5/303:30 pm
MSO
-
IAD
1 stop6h 09m
Delta
Deal found 3/31$284
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:18 am
IAD
-
MSO
1 stop9h 10m
American Airlines
Sat 5/306:45 am
MSO
-
IAD
1 stop9h 49m
American Airlines
Deal found 4/1$321
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:12 pm
IAD
-
MSO
2 stops11h 26m
American Airlines
Tue 6/24:44 pm
MSO
-
IAD
1 stop10h 04m
American Airlines
Deal found 4/1$326
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:18 am
IAD
-
MSO
1 stop9h 10m
American Airlines
Sat 5/301:19 pm
MSO
-
IAD
2 stops8h 54m
American Airlines
Deal found 4/1$337
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:10 am
IAD
-
MSO
1 stop12h 04m
American Airlines
Mon 6/84:44 pm
MSO
-
IAD
1 stop10h 14m
American Airlines
Deal found 4/1$340
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:59 pm
DCA
-
MSO
1 stop6h 41m
Delta
Mon 6/86:29 pm
MSO
-
DCA
2 stops12h 08m
Delta
Deal found 4/1$342
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:10 am
IAD
-
MSO
1 stop9h 49m
Alaska Airlines
Fri 5/13:55 pm
MSO
-
IAD
1 stop11h 55m
Alaska Airlines
Deal found 4/1$345

Find flight deals from Washington, D.C. to Missoula

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Missoula (MSO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$273
(American Airlines)

One-way from

$139
(Delta)

Popular in

March

Cheapest in

September

Average price

$541
Provider with most accurate pricing for Washington, D.C. (WAS)-Missoula Johnson-Bell Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Missoula Johnson-Bell Field flights.
Search Deals
From Washington, D.C. (WAS) to Missoula Johnson-Bell Field
Search Deals
One-way flight from Washington, D.C. (WAS) to Missoula Johnson-Bell Field
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Missoula that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Missoula that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreMissoula

BWI - MSO

BWIMSO

Baltimore/Washington

Tue 4/28

12:27 pm-12:16 am

2 stops13h 49m

Missoula Johnson-Bell Field

Fri 5/1

6:18 pm-10:20 am

2 stops14h 02m

$288
Quickest round-trip

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Wed 5/27

6:58 pm-11:40 pm

1 stop6h 42m

Missoula Johnson-Bell Field

Sat 5/30

3:30 pm-11:39 pm

1 stop6h 09m

$369

BaltimoreMissoula

BWI - MSO

BWIMSO

Baltimore/Washington

Sat 8/29

3:00 pm-12:24 am

2 stops11h 24m

Missoula Johnson-Bell Field

Wed 9/9

3:27 pm-11:44 pm

1 stop6h 17m

$374

BaltimoreMissoula

BWI - MSO

BWIMSO

Baltimore/Washington

Wed 5/27

6:10 am-2:40 pm

2 stops10h 30m

Missoula Johnson-Bell Field

Sat 5/30

5:05 am-1:55 pm

1 stop6h 50m

$374

Washington, D.C.Missoula

DCA - MSO

DCAMSO

Washington, D.C. Reagan-National

Wed 5/27

2:45 pm-11:40 pm

2 stops10h 55m

Missoula Johnson-Bell Field

Sat 5/30

5:05 am-8:45 pm

2 stops13h 40m

$376

Washington, D.C.Missoula

DCA - MSO

DCAMSO

Washington, D.C. Reagan-National

Thu 8/13

6:30 am-11:34 am

1 stop7h 04m

Missoula Johnson-Bell Field

Tue 8/18

12:40 pm-10:26 pm

1 stop7h 46m

$385

Washington, D.C.Missoula

DCA - MSO

DCAMSO

Washington, D.C. Reagan-National

Thu 5/28

2:45 pm-11:40 pm

2 stops10h 55m

Missoula Johnson-Bell Field

Sat 5/30

5:05 am-8:45 pm

2 stops13h 40m

$387

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Tue 4/28

3:00 pm-12:16 am

2 stops11h 16m

Missoula Johnson-Bell Field

Fri 5/1

1:40 pm-11:44 pm

1 stop8h 04m

$390

Washington, D.C.Missoula

DCA - MSO

DCAMSO

Washington, D.C. Reagan-National

Tue 4/28

12:30 pm-12:16 am

2 stops13h 46m

Missoula Johnson-Bell Field

Fri 5/1

6:18 pm-9:09 am

2 stops12h 51m

$395

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Tue 7/14

6:30 am-1:19 pm

1 stop8h 49m

Missoula Johnson-Bell Field

Thu 7/23

2:25 pm-12:45 am

1 stop8h 20m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 45 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to Missoula

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Missoula in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Missoula flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Missoula flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Missoula flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Missoula

How far ahead should I book a flight from Washington, D.C. to Missoula?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Missoula. Price data was last updated on April 2, 2026.

The best time to book flights from Washington, D.C. to Missoula is 19 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. to Missoula?

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. to Missoula (average of $219). Flying from Washington, D.C. to Missoula in March is currently the most expensive (average of $515). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. to Missoula?

Reviews of airlines servicing Missoula

Get insights into the airlines that provide service to Missoula. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missoula. Reviews last updated April 4, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Washington, D.C. to Missoula by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,170 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,170 reviews
Alaska Airlines
7.9
Good
12,170 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,385 reviews
Alaska Airlines
7.9
Good
12,170 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,543 reviews
Alaska Airlines
7.9
Good
12,170 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
American Airlines
7.1
Good
11,561 reviews
Alaska Airlines
7.9
Good
12,170 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Frontier
5.7
Fair
3,001 reviews
Alaska Airlines
7.9
Good
12,170 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Missoula from Washington, D.C.?

    Missoula Johnson-Bell Field (MSO), located 5.5 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Missoula. 3 airlines have flights to Johnson-Bell Field from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Missoula Johnson-Bell Field should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

  • How long is the flight from Washington, D.C. to Missoula?

    There are many flights that can get you from Washington, D.C. to Missoula in 7h 04m. Fly via Delta or United Airlines to get the fastest option. Washington, D.C. and Missoula are separated by a distance of 1935 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. to Missoula round-trip?

    Flying on Delta is currently your cheapest option to Missoula, with prices starting at $196. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $288 and $360, respectively. These flights start at 64% lower than the current average price 3 months from now.

  • What are the most popular routes from Washington, D.C. to Missoula?

    The most popular flight routes from Washington, D.C. to Missoula are Washington, D.C. Dulles Intl - Missoula Johnson-Bell Field, Baltimore/Washington - Missoula Johnson-Bell Field and Washington, D.C. Reagan-National - Missoula Johnson-Bell Field.

  • Can I find deals for flights from Washington, D.C. to Missoula that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Missoula flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Missoula?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Missoula.

  • Can I find deals for business class flights from Washington, D.C. to Missoula?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Missoula by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Missoula?

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. to Missoula (average of $219). Flying from Washington, D.C. to Missoula in March is currently the most expensive (average of $515). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from Washington, D.C. to Missoula

Discover the top 3 airlines that operate flights from Washington, D.C. to Missoula. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$552FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$529FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$342Average$570FlexibilityNo cancel feeOn-time69%

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