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Missoula

$138+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MSO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$341
(United Airlines)

One-way from

$138
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$585
From Washington, D.C. Dulles Intl to Missoula Johnson-Bell Field
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One-way flight from Washington, D.C. Dulles Intl to Missoula Johnson-Bell Field
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Highest demand for flights based on searches. 17% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($62 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 9/187:00 amIAD - MSO
1 stop10h 18mAlaska Airlines
Sat 9/276:40 pmMSO - IAD
1 stop10h 52mAlaska Airlines
Deal found 6/12$319
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:25 amIAD - MSO
1 stop8h 35mAmerican Airlines
Sat 9/271:51 pmMSO - IAD
1 stop6h 58mAmerican Airlines
Deal found 6/10$320
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/236:35 amIAD - MSO
1 stop7h 03mUnited Airlines
Wed 7/302:25 pmMSO - IAD
1 stop8h 20mUnited Airlines
Deal found 6/10$341
This Delta deal was found by Cheapflights users on 6/11. 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 10/305:50 pmIAD - MSO
2 stops8h 41mDelta
Tue 11/412:55 pmMSO - IAD
1 stop8h 54mDelta
Deal found 6/11$359
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:00 amIAD - MSO
1 stop11h 00mHawaiian Airlines
Thu 9/182:14 pmMSO - IAD
1 stop8h 06mHawaiian Airlines
Deal found 6/10$398
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/72:44 pmIAD - MSO
2 stops23h 10mFrontier
Fri 8/1512:40 pmMSO - IAD
2 stops24h 36mFrontier
Deal found 6/12$482
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1711:58 amIAD - MSO
3 stops29h 32mMultiple Airlines
Mon 7/219:54 pmMSO - IAD
3 stops35h 49mMultiple Airlines
Deal found 6/9$494

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 June 12, 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

Wed 7/23

6:35 am-11:38 am

1 stop7h 03m

Missoula Johnson-Bell Field

Wed 7/30

2:25 pm-12:45 am

1 stop8h 20m

$341

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Sun 9/7

7:00 am-3:16 pm

1 stop10h 16m

Missoula Johnson-Bell Field

Sat 9/13

4:14 pm-7:32 am

1 stop13h 18m

$370

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Tue 7/15

5:23 pm-11:43 pm

2 stops8h 20m

Missoula Johnson-Bell Field

Wed 7/23

6:24 pm-8:59 am

2 stops12h 35m

$390

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Mon 9/8

9:00 am-6:00 pm

1 stop11h 00m

Missoula Johnson-Bell Field

Thu 9/18

2:14 pm-12:20 am

1 stop8h 06m

$398

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Tue 7/29

6:27 am-12:57 pm

1 stop8h 30m

Missoula Johnson-Bell Field

Mon 8/4

7:03 am-5:38 pm

1 stop8h 35m

$421

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Thu 8/7

2:44 pm-11:54 am

2 stops23h 10m

Missoula Johnson-Bell Field

Fri 8/15

12:40 pm-3:16 pm

2 stops24h 36m

$482

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Thu 7/17

11:58 am-3:30 pm

3 stops29h 32m

Missoula Johnson-Bell Field

Mon 7/21

9:54 pm-11:43 am

3 stops35h 49m

$494

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Fri 7/25

8:20 pm-10:38 am

1 stop16h 18m

$138

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Wed 8/13

6:30 am-3:17 pm

1 stop10h 47m

$170

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Wed 7/23

6:35 am-11:38 am

1 stop7h 03m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 13 results
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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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Missoula (average of $365). Flying from Washington, D.C. Dulles Intl Airport to Missoula in March is currently the most expensive (average of $506). 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 IAD to MSO?

Find hourly flight availability from Dulles Intl 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 June 12, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Missoula in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Missoula by month

Plan your trip to Missoula by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missoula ranges from 0.7 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Missoula when rainfall is around 0.7 in.

Temperature in Missoula by month

Plan your trip to Missoula by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missoula, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.8 F).

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Washington, D.C. to Missoula have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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. 4 airlines have flights to Missoula Johnson-Bell Field from Washington, D.C. Dulles Intl on a regular basis.

  • 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 United Airlines. Our recent data shows that you can find tickets from as low as $341 on this airline. Additional options worth looking into are Alaska Airlines and Delta, starting at $370 and $392 round-trip. You may be able to fly from Washington, D.C. Dulles Intl Airport to Missoula for 48% less than the average price by searching for these airlines.

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

    $138 is the cheapest one-way deal found within the past few days, from Sun Country Air. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $170 and $171, respectively.

  • 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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Missoula (average of $365). Flying from Washington, D.C. Dulles Intl Airport to Missoula in March is currently the most expensive (average of $506). 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.

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Alternative routes for Dulles Intl to Missoula

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Top 4 airlines flying from Dulles Intl to Missoula

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$283Average$608FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$363Average$502FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$381Average$604FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$439Average$538FlexibilityNo cancel feeOn-time71%

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