HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missoula

$211+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MSO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Missoula with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Missoula Johnson-Bell Field are usually found in September or November, booked 19 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:00 pmIAD - MSO
1 stop7h 41mUnited Airlines
Wed 1/76:00 amMSO - IAD
1 stop8h 35mUnited Airlines
Deal found 12/16$531
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:24 pmIAD - MSO
1 stop9h 17mUnited Airlines
Tue 1/65:15 pmMSO - IAD
1 stop18h 02mUnited Airlines
Deal found 12/16$588
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:00 pmIAD - MSO
1 stop7h 41mUnited Airlines
Mon 1/56:00 amMSO - IAD
1 stop29h 12mUnited Airlines
Deal found 12/16$608
This Delta deal was found by Cheapflights users on 12/16. 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 12/202:21 pmIAD - MSO
1 stop8h 19mDelta
Tue 1/66:18 pmMSO - IAD
2 stops20h 28mDelta
Deal found 12/16$619
This Delta deal was found by Cheapflights users on 12/16. 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 12/202:21 pmIAD - MSO
1 stop8h 19mDelta
Mon 1/57:55 amMSO - IAD
1 stop9h 29mDelta
Deal found 12/16$665
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:24 pmIAD - MSO
1 stop9h 17mUnited Airlines
Tue 1/66:00 amMSO - IAD
1 stop29h 17mUnited Airlines
Deal found 12/16$698
This Delta deal was found by Cheapflights users on 12/16. 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 12/256:00 amIAD - MSO
2 stops16h 40mDelta
Wed 1/75:00 amMSO - IAD
2 stops16h 06mDelta
Deal found 12/16$761
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:00 amIAD - MSO
2 stops14h 41mUnited Airlines
Tue 1/62:37 pmMSO - IAD
2 stops14h 53mUnited Airlines
Deal found 12/16$762
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:05 pmBWI - MSO
1 stop7h 36mUnited Airlines
Sun 1/45:15 pmMSO - BWI
1 stop10h 09mUnited Airlines
Deal found 12/16$787
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/194:05 pmBWI - MSO
1 stop7h 36mUnited Airlines
Fri 1/26:00 amMSO - BWI
1 stop6h 59mUnited Airlines
Deal found 12/16$886
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/206:00 amBWI - MSO
1 stop8h 48mAmerican Airlines
Mon 12/221:18 pmMSO - BWI
1 stop8h 34mAmerican Airlines
Deal found 12/16$978
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/1911:55 amDCA - MSO
2 stops11h 29mAmerican Airlines
Fri 1/21:18 pmMSO - DCA
1 stop8h 41mAmerican Airlines
Deal found 12/17$1,005

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$324
(Alaska Airlines)

One-way from

$211
(United Airlines)

Popular in

January

Cheapest in

September

Average price

$551
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. 11% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Missoula that are best for you.

Fly from

Washington, D.C.

Fly to

Missoula

Route

Depart

Return

Price

Washington, D.C.Missoula

DCA - MSO

DCAMSO

Washington, D.C. Reagan-National

Wed 1/14

8:00 am-3:31 pm

1 stop9h 31m

Missoula Johnson-Bell Field

Wed 1/21

6:23 am-9:59 pm

1 stop13h 36m

$324

Washington, D.C.Missoula

DCA - MSO

DCAMSO

Washington, D.C. Reagan-National

Sat 1/17

5:01 pm-11:55 pm

1 stop8h 54m

Missoula Johnson-Bell Field

Wed 1/21

6:23 am-9:59 pm

1 stop13h 36m

$324

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Tue 1/20

6:04 pm-3:31 pm

1 stop23h 27m

Missoula Johnson-Bell Field

Tue 1/27

6:23 am-4:26 pm

1 stop8h 03m

$324

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Fri 1/30

6:04 pm-12:23 pm

1 stop20h 19m

Missoula Johnson-Bell Field

Mon 2/2

4:20 pm-4:26 pm

1 stop22h 06m

$334

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Wed 1/14

6:04 pm-12:23 pm

1 stop20h 19m

Missoula Johnson-Bell Field

Wed 1/21

6:23 am-4:26 pm

1 stop8h 03m

$334

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Tue 1/20

7:30 am-5:38 pm

2 stops12h 08m

Missoula Johnson-Bell Field

Tue 1/27

1:25 pm-11:48 pm

1 stop8h 23m

$343

Washington, D.C.Missoula

DCA - MSO

DCAMSO

Washington, D.C. Reagan-National

Sat 2/7

8:00 am-3:31 pm

1 stop9h 31m

Missoula Johnson-Bell Field

Mon 2/9

2:03 pm-9:59 pm

1 stop29h 56m

$354

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-3:31 pm

1 stop23h 27m

Missoula Johnson-Bell Field

Wed 2/4

6:23 am-4:26 pm

1 stop8h 03m

$354

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Wed 1/21

2:15 pm-8:14 pm

1 stop7h 59m

Missoula Johnson-Bell Field

Thu 1/29

1:25 pm-11:48 pm

1 stop8h 23m

$361

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Thu 1/22

6:04 pm-12:23 pm

1 stop20h 19m

Missoula Johnson-Bell Field

Thu 1/29

6:23 am-4:26 pm

1 stop8h 03m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 25 results
1
2
3

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Missoula flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 12, 2025.

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 $218). Flying from Washington, D.C. to Missoula in March is currently the most expensive (average of $514). 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.

What is the cheapest time of day to fly from WAS to MSO?

Find hourly flight availability from Washington, D.C. to Missoula. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Washington, D.C. to Missoula in the afternoon. Doing so could potentially save you 30% on the flight price compared to flying in the evening, which is usually more expensive.

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 December 18, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United 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
8.0
Very good
11,477 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,477 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,005 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,092 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,055 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Frontier
5.8
Fair
3,081 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 9h 31m. Fly via Alaska Airlines, Delta, or American 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 $393, respectively. These flights start at 63% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Missoula one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $170. Delta flights start at $197 while deals on American Airlines start at $217 one-way.

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

    The most popular flight routes from Washington, D.C. to Missoula are Baltimore/Washington - Missoula Johnson-Bell Field, Washington, D.C. Dulles Intl - 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 $218). Flying from Washington, D.C. to Missoula in March is currently the most expensive (average of $514). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$283Average$562FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$530FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$393Average$597FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.