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$113+ Cheap flights from Dulles Intl (IAD) to Montana

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZN
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap flight deals from Dulles Intl to Montana

Cheapest flights from Dulles Intl to Montana
Explore the most affordable flight options available from Dulles Intl to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This Orbitz deal was found by Cheapflights users on 2/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:05 am
IAD
-
BZN
1 stop9h 03m
Alaska Airlines
Tue 3/247:26 pm
BZN
-
IAD
1 stop8h 14m
Alaska Airlines
Deal found 2/17$246
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
IAD
-
FCA
1 stop9h 54m
Delta
Thu 5/72:30 pm
FCA
-
IAD
1 stop7h 11m
Delta
Deal found 2/17$249
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:05 am
IAD
-
BZN
1 stop9h 03m
Alaska Airlines
Tue 3/107:00 am
BZN
-
IAD
1 stop8h 20m
Alaska Airlines
Deal found 2/17$267
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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.
Sat 8/297:18 pm
IAD
-
FCA
1 stop18h 56m
Alaska Airlines
Sat 9/58:00 pm
FCA
-
IAD
1 stop9h 28m
Alaska Airlines
Deal found 2/15$269
This Southwest deal was found by Cheapflights users on 2/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:50 am
IAD
-
BZN
1 stop6h 25m
Southwest
Tue 5/53:20 pm
BZN
-
IAD
1 stop6h 20m
Southwest
Deal found 2/15$273
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:00 am
IAD
-
FCA
1 stop9h 54m
Delta
Thu 5/72:30 pm
FCA
-
IAD
1 stop7h 11m
Delta
Deal found 2/17$274
This United Airlines deal was found by Cheapflights users on 2/15. 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 8/312:39 pm
IAD
-
BZN
1 stop8h 28m
United Airlines
Sat 9/510:25 am
BZN
-
IAD
Nonstop4h 05m
United Airlines
Deal found 2/15$279
This Southwest deal was found by Cheapflights users on 2/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:55 am
IAD
-
BZN
1 stop6h 20m
Southwest
Mon 4/204:20 pm
BZN
-
IAD
1 stop6h 00m
Southwest
Deal found 2/16$283
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:05 am
IAD
-
BZN
1 stop9h 03m
Alaska Airlines
Tue 3/37:00 am
BZN
-
IAD
1 stop8h 20m
Alaska Airlines
Deal found 2/16$284
This Delta deal was found by Cheapflights users on 2/15. 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 4/286:00 am
IAD
-
FCA
1 stop9h 54m
Delta
Mon 5/42:49 pm
FCA
-
IAD
1 stop6h 43m
Delta
Deal found 2/15$284
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
IAD
-
BZN
1 stop9h 10m
Alaska Airlines
Thu 4/237:59 pm
BZN
-
IAD
1 stop7h 51m
Alaska Airlines
Deal found 2/16$288
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Sat 5/302:35 pm
IAD
-
BZN
1 stop8h 39m
United Airlines
Sat 6/64:18 pm
BZN
-
IAD
1 stop6h 27m
United Airlines
Deal found 2/18$289

Find flight deals from Dulles Intl to Montana

Keep the following information in mind while searching for Dulles Intl to Montana flight deals. Data was last updated February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$246
(Orbitz)

One-way from

$113
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$414

Good round-trip deal

$345 or less

Good one-way deal

$260 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Bozeman Gallatin Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Bozeman Gallatin Field flights.
Search Deals
From Washington, D.C. Dulles Intl to Montana
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Montana
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Montana.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Montana.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Montana 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 February 19, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Montana that are best for you.

Fly from

Dulles Intl

Fly to

Montana

Route

Depart

Return

Price

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Tue 4/28

6:00 am-1:54 pm

1 stop9h 54m

Kalispell Glacier Park

Fri 5/1

2:49 pm-11:32 pm

1 stop6h 43m

$249

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Tue 4/7

7:11 pm-12:12 pm

1 stop19h 01m

Kalispell Glacier Park

Wed 4/15

8:26 pm-5:40 am

1 stop7h 14m

$249

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-2:08 pm

1 stop9h 03m

Bozeman Gallatin Field

Tue 3/10

7:00 am-5:20 pm

1 stop8h 20m

$267

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Mon 4/27

6:00 am-1:54 pm

1 stop9h 54m

Kalispell Glacier Park

Fri 5/1

2:49 pm-11:32 pm

1 stop6h 43m

$274

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Tue 4/28

6:00 am-1:54 pm

1 stop9h 54m

Kalispell Glacier Park

Tue 5/5

12:10 pm-11:44 pm

1 stop9h 34m

$274

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Tue 4/28

6:00 am-1:54 pm

1 stop9h 54m

Kalispell Glacier Park

Mon 5/4

2:49 pm-11:32 pm

1 stop6h 43m

$274

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Wed 4/29

6:00 am-1:54 pm

1 stop9h 54m

Kalispell Glacier Park

Sat 5/2

2:16 pm-11:32 pm

1 stop7h 16m

$274

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Thu 4/30

5:55 pm-11:00 pm

1 stop7h 05m

Bozeman Gallatin Field

Mon 5/4

4:20 pm-12:20 am

1 stop6h 00m

$283

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Sat 5/30

6:30 am-1:20 pm

1 stop8h 50m

Bozeman Gallatin Field

Sat 6/6

4:18 pm-12:45 am

1 stop6h 27m

$289

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Sat 8/15

1:00 pm-8:39 pm

1 stop9h 39m

Bozeman Gallatin Field

Sat 8/22

4:22 pm-12:32 am

1 stop6h 10m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Showing 1-10 of 60 results
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Best time to book a flight from Dulles Intl to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana 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 Montana

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Montana (average of $196). Flying from Washington, D.C. Dulles Intl Airport to Montana in March is currently the most expensive (average of $333). 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 MT?

Find hourly flight availability from Dulles Intl to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 19, 2026.

When flying from Washington, D.C. Dulles Intl Airport to Montana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. 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 Montana. Reviews last updated February 19, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Washington, D.C. Dulles Intl Airport to Montana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,904 reviews

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
8.0
Very good
11,904 reviews
Alaska Airlines
8.0
Very good
11,904 reviews

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
11,904 reviews

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Delta
7.9
Good
8,212 reviews
Alaska Airlines
8.0
Very good
11,904 reviews

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
United Airlines
7.4
Good
9,321 reviews
Alaska Airlines
8.0
Very good
11,904 reviews

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
American Airlines
7.2
Good
11,313 reviews
Alaska Airlines
8.0
Very good
11,904 reviews

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from Washington, D.C. Dulles Intl Airport to Montana will take you 8h 50m. Airlines will cover a distance of 1768 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Montana?

    Most travelers choose Washington, D.C. Dulles Intl - Bozeman Gallatin Field, Washington, D.C. Dulles Intl - Kalispell Glacier Park or Washington, D.C. Dulles Intl - Missoula Johnson-Bell Field when deciding on the best route from Washington, D.C. Dulles Intl Airport to Montana.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Montana?

    On average you can expect to pay $392 for a flight from Washington, D.C. Dulles Intl Airport to Montana. The cheapest flight overall is $245 while the most popular route, (Washington, D.C. Dulles Intl - Bozeman Gallatin Field) is currently priced at $279.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Montana 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 Montana?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Montana (average of $196). Flying from Washington, D.C. Dulles Intl Airport to Montana in March is currently the most expensive (average of $333). 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 Montana

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Sky Harbor Intl flights
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Baltimore to New Orleans flights
Reagan-National to West Palm Beach flights
Baltimore to Boston flights
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Dulles Intl to Salt Lake City flights
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Top 5 airlines flying from Dulles Intl to Montana

Discover the top 5 airlines that operate flights from Dulles Intl to Montana. 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$471FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$241Average$374FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$280Average$615FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$359FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$290Average$481FlexibilityNo cancel feeOn-time75%

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