Montana

$128+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZN
Jul 21 — Jul 281
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Cheap 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 July 16, 2025.

Round-trip from

$283
(American Airlines)

One-way from

$128
(Alaska Airlines)

Popular in

December

Cheapest in

October

Average price

$485

Good round-trip deal

$420 or less
From Washington, D.C. Dulles Intl to Montana
One-way flight from Washington, D.C. Dulles Intl to Montana
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Montana.

Find 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 July 16, 2025.

This American Airlines deal was found by Cheapflights users on 7/14. 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.
Wed 8/1311:51 amIAD - BZN
1 stop9h 04mAmerican Airlines
Wed 8/2012:35 pmBZN - IAD
1 stop8h 21mAmerican Airlines
Deal found 7/14$283
This Delta deal was found by Cheapflights users on 7/14. 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.
Wed 8/137:30 amIAD - WYS
1 stop9h 20mDelta
Wed 8/203:25 pmWYS - IAD
1 stop6h 07mDelta
Deal found 7/14$284
This Hawaiian Airlines deal was found by Cheapflights users on 7/14. 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 8/257:00 amIAD - BZN
1 stop9h 14mHawaiian Airlines
Fri 9/57:23 pmBZN - IAD
1 stop10h 10mHawaiian Airlines
Deal found 7/14$285
This Southwest deal was found by Cheapflights users on 7/15. 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 8/237:00 amIAD - BZN
1 stop9h 05mSouthwest
Sat 8/305:25 amBZN - IAD
1 stop7h 35mSouthwest
Deal found 7/15$286
This Hawaiian Airlines deal was found by Cheapflights users on 7/14. 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.
Tue 9/167:00 amIAD - MSO
1 stop10h 18mHawaiian Airlines
Tue 9/232:14 pmMSO - IAD
1 stop8h 09mHawaiian Airlines
Deal found 7/14$288
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Fri 9/266:09 pmIAD - BZN
1 stop18h 37mAlaska Airlines
Sun 9/287:23 pmBZN - IAD
1 stop10h 10mAlaska Airlines
Deal found 7/15$289
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Tue 8/123:56 pmIAD - MSO
1 stop7h 27mUnited Airlines
Tue 8/196:30 amMSO - IAD
1 stop7h 04mUnited Airlines
Deal found 7/15$289
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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 8/236:09 pmIAD - FCA
1 stop7h 50mAlaska Airlines
Sat 8/308:02 pmFCA - IAD
1 stop9h 30mAlaska Airlines
Deal found 7/15$290
This United Airlines deal was found by Cheapflights users on 7/14. 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 8/198:35 amIAD - FCA
1 stop8h 53mUnited Airlines
Tue 8/266:30 amFCA - IAD
1 stop8h 13mUnited Airlines
Deal found 7/14$291
This Delta deal was found by Cheapflights users on 7/15. 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 8/266:00 amIAD - MSO
2 stops10h 36mDelta
Mon 9/83:31 pmMSO - IAD
1 stop6h 09mDelta
Deal found 7/15$294
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Sun 9/148:30 amIAD - BZN
Nonstop4h 20mUnited Airlines
Sat 9/2010:20 amBZN - IAD
Nonstop4h 02mUnited Airlines
Deal found 7/16$296
This Delta deal was found by Cheapflights users on 7/14. 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.
Wed 9/37:22 amIAD - BZN
2 stops9h 05mDelta
Wed 9/105:28 pmBZN - IAD
1 stop10h 27mDelta
Deal found 7/14$298

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 July 16, 2025.
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.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Wed 8/13

11:51 am-6:55 pm

1 stop9h 04m

Bozeman Gallatin Field

Wed 8/20

12:35 pm-10:56 pm

1 stop8h 21m

$283

Washington, D.C.West Yellowstone

IAD - WYS

IADWYS

Washington, D.C. Dulles Intl

Wed 8/13

7:30 am-2:50 pm

1 stop9h 20m

West Yellowstone

Wed 8/20

3:25 pm-11:32 pm

1 stop6h 07m

$284

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Mon 8/25

7:00 am-2:14 pm

1 stop9h 14m

Bozeman Gallatin Field

Fri 9/5

7:23 pm-7:33 am

1 stop10h 10m

$285

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Sat 8/23

7:00 am-2:05 pm

1 stop9h 05m

Bozeman Gallatin Field

Sat 8/30

5:25 am-3:00 pm

1 stop7h 35m

$286

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Tue 9/16

7:00 am-3:18 pm

1 stop10h 18m

Missoula Johnson-Bell Field

Tue 9/23

2:14 pm-12:23 am

1 stop8h 09m

$288

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Fri 9/26

6:09 pm-10:46 am

1 stop18h 37m

Bozeman Gallatin Field

Sun 9/28

7:23 pm-7:33 am

1 stop10h 10m

$289

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Tue 8/12

3:56 pm-9:23 pm

1 stop7h 27m

Missoula Johnson-Bell Field

Tue 8/19

6:30 am-3:34 pm

1 stop7h 04m

$289

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Sat 8/23

6:09 pm-11:59 pm

1 stop7h 50m

Kalispell Glacier Park

Sat 8/30

8:02 pm-7:32 am

1 stop9h 30m

$290

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Tue 8/19

8:35 am-3:28 pm

1 stop8h 53m

Kalispell Glacier Park

Tue 8/26

6:30 am-4:43 pm

1 stop8h 13m

$291

Washington, D.C.Missoula

IAD - MSO

IADMSO

Washington, D.C. Dulles Intl

Tue 8/26

6:00 am-2:36 pm

2 stops10h 36m

Missoula Johnson-Bell Field

Mon 9/8

3:31 pm-11:40 pm

1 stop6h 09m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Montana (average of $371). Flying from Washington, D.C. Dulles Intl Airport to Montana in May is currently the most expensive (average of $478). 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 July 16, 2025.

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 July 16, 2025.
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.

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
8.0
Very good

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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

    $128 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Hawaiian Airlines, with prices starting from $129 and $140, respectively.

  • What are the most popular routes 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 $458 for a flight from Washington, D.C. Dulles Intl Airport to Montana. The cheapest flight overall is $292 while the most popular route, (Washington, D.C. Dulles Intl - Bozeman Gallatin Field) is currently priced at $256.

  • 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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Montana (average of $371). Flying from Washington, D.C. Dulles Intl Airport to Montana in May is currently the most expensive (average of $478). 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 Montana

See prices for flight routes from nearby airports that may be better suited for you.

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 July 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$515FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$236Average$531FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$270Average$473FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$272Average$468FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$294Average$591FlexibilityNo cancel feeOn-time69%

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