HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$196+ Cheap flights from Missoula (MSO) to Dulles Intl (IAD)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — IAD
mar. 19 — mar. 261
mié. 3/19
mié. 3/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missoula to Dulles Intl 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.

Cheap flight deals from Missoula to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Dulles Intl (IAD). 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 marzo 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$385
(Alaska Airlines)

One-way from

$196
(Delta)

Popular in

July

Cheapest in

February

Average price

$664
Provider with most accurate pricing for Missoula Johnson-Bell Field-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Washington, D.C. Dulles Intl flights.
Search Deals
From Missoula Johnson-Bell Field to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Missoula Johnson-Bell Field to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Missoula to Dulles Intl

Cheapest flights from Missoula to Dulles Intl
Explore the most affordable flight options available from Missoula to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 14, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/13. 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.
lun. 4/282:54 pmMSO - IAD
1 stop7h 29mAlaska Airlines
mié. 4/306:30 amIAD - MSO
1 stop9h 28mAlaska Airlines
Deal found 3/13$385
This Hawaiian Airlines deal was found by Cheapflights users on 3/13. 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.
vie. 10/242:35 pmMSO - IAD
1 stop7h 14mHawaiian Airlines
vie. 11/77:00 amIAD - MSO
1 stop8h 52mHawaiian Airlines
Deal found 3/13$392
This American Airlines deal was found by Cheapflights users on 3/13. 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.
mar. 5/61:22 pmMSO - IAD
1 stop7h 32mAmerican Airlines
mar. 5/135:02 amIAD - MSO
2 stops9h 24mAmerican Airlines
Deal found 3/13$396
This Delta deal was found by Cheapflights users on 3/13. 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.
mié. 4/236:15 pmMSO - IAD
2 stops13h 03mDelta
sáb. 5/32:45 pmIAD - MSO
1 stop7h 40mDelta
Deal found 3/13$397
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/282:33 pmMSO - IAD
1 stop6h 50mUnited Airlines
mar. 4/18:30 amIAD - MSO
1 stop9h 32mUnited Airlines
Deal found 3/12$451

Find flights from Missoula to Dulles Intl within your budget

Customize your flight search to find flights from Missoula to Dulles Intl 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 marzo 14, 2025.

Fly from

Missoula

Fly to

Dulles Intl

Route

Depart

Return

Price

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

lun. 4/28

2:54 pm-12:23 am

1 stop7h 29m

Washington, D.C. Dulles Intl

mié. 4/30

6:30 am-1:58 pm

1 stop9h 28m

$385

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

mar. 5/6

1:22 pm-10:54 pm

1 stop7h 32m

Washington, D.C. Dulles Intl

mar. 5/13

5:02 am-12:26 pm

2 stops9h 24m

$396

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

mié. 4/23

6:15 pm-9:18 am

2 stops13h 03m

Washington, D.C. Dulles Intl

sáb. 5/3

2:45 pm-8:25 pm

1 stop7h 40m

$397

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

vie. 3/28

2:33 pm-11:23 pm

1 stop6h 50m

Washington, D.C. Dulles Intl

mar. 4/1

8:30 am-4:02 pm

1 stop9h 32m

$451

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

mar. 5/20

1:00 pm-11:28 pm

1 stop8h 28m

$196

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

sáb. 5/10

1:22 pm-10:54 pm

1 stop7h 32m

$197

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

mié. 8/6

2:27 pm-12:45 am

1 stop8h 18m

$241

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

vie. 4/18

6:38 pm-5:34 am

1 stop8h 56m

$246

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

mié. 8/6

4:13 pm-6:50 am

2 stops12h 37m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Compare providers for flights from Missoula to Dulles Intl

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 Missoula to Dulles Intl in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
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 Missoula-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Missoula-Washington, D.C. Dulles Intl Airport 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 Missoula-Washington, D.C. Dulles Intl Airport 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 Missoula to Dulles Intl

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

Travel insights for flights from Missoula to Dulles Intl

Get recent, data-driven insights about flights from Missoula to Dulles Intl including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Missoula to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Missoula to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $388). 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.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated marzo 14, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Missoula to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,734 reviews
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
7,944 reviews
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines
7.9
Good
2,318 reviews
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,623 reviews
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,734 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Missoula to Dulles Intl. 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 from for flights from Missoula to Washington, D.C. Dulles Intl?

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

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

    Alaska Airlines, at $385, was found to be the cheapest airline from Missoula to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Delta. Alaska Airlines is currently priced 36% below the average price you’ll pay for this route.

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

    $196 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $197 and $241, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missoula to Dulles Intl 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 Missoula to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Missoula to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Missoula to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $388). 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

Traveling to a place near Missoula?

Book flights to Missoula if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Gaithersburg
Fredericksburg
Linthicum Heights
Silver Spring
Woodbridge
Laurel
Falls Church
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

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 Missoula to Dulles Intl

Discover the top 3 airlines that operate flights from Missoula to Dulles Intl. 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 marzo 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$441Average$623FlexibilityNo cancel feeOn-time69%
DeltaCheapest$447Average$552FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$451Average$567FlexibilityNo cancel feeOn-time71%
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.