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Missoula

$181+ Cheap flights from Dulles Intl (IAD) 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MSO
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Cheap flight deals from Dulles Intl to Missoula

Cheapest flights from Dulles Intl to Missoula
Explore the most affordable flight options available from Dulles Intl to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 12/259:47 amIAD - MSO
1 stop8h 23mUnited Airlines
Mon 1/52:38 pmMSO - IAD
1 stop20h 34mUnited Airlines
Deal found 12/10$538
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/10$588
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/127:34 amIAD - MSO
1 stop9h 58mAlaska Airlines
Tue 12/166:29 amMSO - IAD
1 stop8h 07mAlaska Airlines
Deal found 12/10$595
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/112:30 pmIAD - MSO
1 stop8h 48mUnited Airlines
Sat 12/132:35 pmMSO - IAD
1 stop6h 40mUnited Airlines
Deal found 12/7$671
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/256:20 amIAD - MSO
1 stop9h 16mUnited Airlines
Mon 12/296:00 amMSO - IAD
2 stops13h 16mUnited Airlines
Deal found 12/10$710
This Delta deal was found by Cheapflights users on 12/10. 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.
Fri 12/1212:19 pmIAD - MSO
2 stops14h 17mDelta
Tue 12/161:13 pmMSO - IAD
1 stop8h 16mDelta
Deal found 12/10$730
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Tue 12/2310:25 pmIAD - MSO
2 stops19h 45mUnited Airlines
Mon 1/56:00 amMSO - IAD
1 stop29h 12mUnited Airlines
Deal found 12/10$737

Find flight deals from Dulles Intl to Missoula

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$361
(Alaska Airlines)

One-way from

$181
(United Airlines)

Popular in

January

Cheapest in

December

Average price

$431
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Missoula Johnson-Bell Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Missoula Johnson-Bell Field flights.
Search Deals
From Washington, D.C. Dulles Intl to Missoula Johnson-Bell Field
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Missoula Johnson-Bell Field
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($35 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 Dulles Intl 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 10, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Missoula that are best for you.

Fly from

Dulles Intl

Fly to

Missoula

Route

Depart

Return

Price

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Tue 1/20

4:11 pm-9:51 pm

1 stop7h 40m

Missoula Johnson-Bell Field

Tue 1/27

6:00 am-4:35 pm

1 stop8h 35m

$361

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Tue 1/20

6:04 pm-12:23 pm

1 stop20h 19m

Missoula Johnson-Bell Field

Tue 1/27

6:23 am-4:26 pm

1 stop8h 03m

$361

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

$363

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Fri 1/30

6:04 pm-3:31 pm

1 stop23h 27m

Missoula Johnson-Bell Field

Mon 2/2

2:03 pm-4:26 pm

1 stop24h 23m

$374

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Wed 6/3

6:20 am-11:34 am

1 stop7h 14m

Missoula Johnson-Bell Field

Sat 6/6

2:27 pm-12:32 am

1 stop8h 05m

$400

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Thu 1/22

6:04 pm-3:31 pm

1 stop23h 27m

Missoula Johnson-Bell Field

Thu 1/29

6:23 am-4:26 pm

1 stop8h 03m

$422

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Thu 1/22

7:30 am-5:38 pm

2 stops12h 08m

Missoula Johnson-Bell Field

Thu 1/29

7:55 am-11:06 pm

2 stops13h 11m

$427

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Fri 2/13

7:05 am-12:21 pm

1 stop31h 16m

Missoula Johnson-Bell Field

Wed 2/18

6:23 am-5:20 pm

1 stop8h 57m

$432

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Mon 1/19

4:11 pm-9:51 pm

1 stop7h 40m

$181

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Wed 12/31

7:01 pm-3:30 pm

2 stops46h 29m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 18 results
1
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Compare providers for flights from Dulles Intl 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 Dulles Intl 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. Dulles Intl Airport-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. Dulles Intl Airport-Missoula flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Missoula flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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 Dulles Intl to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula from Dulles Intl 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. Dulles Intl Airport to Missoula

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Missoula (average of $286). Flying from Washington, D.C. Dulles Intl Airport to Missoula in February is currently the most expensive (average of $874). 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.

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 10, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. Dulles Intl Airport to Missoula to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Missoula, you will be flying into Johnson-Bell Field. Missoula Johnson-Bell Field (MSO) is just 5.5 mi from the center of the city. Johnson-Bell Field is the only Missoula airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 3 airlines have flights to Missoula Johnson-Bell Field from Washington, D.C. Dulles Intl on a regular basis.

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

    Airlines like United Airlines, Alaska Airlines, and Delta fly from Washington, D.C. Dulles Intl Airport to Missoula in about 7h 40m. The time it takes to get you to your destination can typically vary by up to 12h 39m. Washington, D.C. Dulles Intl Airport and Missoula are separated by a distance of 1913 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Missoula is Delta. Our recent data shows that you can find tickets from as low as $196 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $366 and $393 round-trip. You may be able to fly from Washington, D.C. Dulles Intl Airport to Missoula for 70% less than the average price by searching for these airlines.

  • Can I find deals for flights from Dulles Intl to Missoula that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Missoula flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Missoula?

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

  • Can I find deals for business class flights from Dulles Intl to Missoula?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Missoula?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Missoula (average of $286). Flying from Washington, D.C. Dulles Intl Airport to Missoula in February is currently the most expensive (average of $874). 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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Alternative routes for Dulles Intl to Missoula

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Dulles Intl to Missoula

Discover the top 3 airlines that operate flights from Dulles Intl 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 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$283Average$635FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$366Average$538FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$393Average$632FlexibilityNo cancel feeOn-time69%

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