Montana

$107+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZN
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$255
(United Airlines)

One-way from

$107
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$494

Good round-trip deal

$420 or less

Good one-way deal

$250 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 ($12 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 June 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Montana.
Price to beat on a one-way 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 June 12, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2410:25 amIAD - FCA
1 stop7h 42mUnited Airlines
Fri 8/296:30 amFCA - IAD
1 stop7h 04mUnited Airlines
Deal found 6/11$255
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.
Tue 9/236:40 pmIAD - BZN
1 stop7h 18mDelta
Tue 9/306:25 pmBZN - IAD
2 stops12h 46mDelta
Deal found 6/11$262
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.
Mon 9/157:00 amIAD - BZN
1 stop9h 14mAlaska Airlines
Tue 9/233:08 pmBZN - IAD
1 stop14h 24mAlaska Airlines
Deal found 6/12$272
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:47 amIAD - BZN
1 stop9h 30mAmerican Airlines
Thu 9/117:20 amBZN - IAD
1 stop7h 30mAmerican Airlines
Deal found 6/12$273
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/58:15 amIAD - BZN
Nonstop4h 36mUnited Airlines
Thu 7/102:41 pmBZN - IAD
1 stop6h 29mUnited Airlines
Deal found 6/11$279
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.
Thu 9/257:00 amIAD - BZN
1 stop9h 14mHawaiian Airlines
Wed 10/111:26 amBZN - IAD
1 stop10h 54mHawaiian Airlines
Deal found 6/10$288
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:09 pmIAD - FCA
1 stop7h 50mAlaska Airlines
Wed 9/108:02 pmFCA - IAD
1 stop9h 30mAlaska Airlines
Deal found 6/10$290
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.
Tue 8/126:50 pmIAD - FCA
1 stop7h 01mDelta
Wed 8/207:15 amFCA - IAD
1 stop8h 55mDelta
Deal found 6/11$291
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 Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2011:58 amIAD - BZN
1 stop25h 16mMultiple Airlines
Thu 7/2411:19 amBZN - IAD
2 stops20h 04mMultiple Airlines
Deal found 6/10$323
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

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 June 12, 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.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Sun 8/24

10:25 am-4:07 pm

1 stop7h 42m

Kalispell Glacier Park

Fri 8/29

6:30 am-3:34 pm

1 stop7h 04m

$255

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Tue 9/23

6:40 pm-11:58 pm

1 stop7h 18m

Bozeman Gallatin Field

Tue 9/30

6:25 pm-9:11 am

2 stops12h 46m

$262

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Mon 9/15

7:00 am-2:14 pm

1 stop9h 14m

Bozeman Gallatin Field

Tue 9/23

3:08 pm-7:32 am

1 stop14h 24m

$272

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Wed 9/3

11:47 am-7:17 pm

1 stop9h 30m

Bozeman Gallatin Field

Thu 9/11

7:20 am-4:50 pm

1 stop7h 30m

$273

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Sat 7/5

8:15 am-10:51 am

Nonstop4h 36m

Bozeman Gallatin Field

Thu 7/10

2:41 pm-11:10 pm

1 stop6h 29m

$279

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Thu 9/25

7:00 am-2:14 pm

1 stop9h 14m

Bozeman Gallatin Field

Mon 9/29

7:23 pm-7:32 am

1 stop10h 09m

$288

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Wed 9/3

6:09 pm-11:59 pm

1 stop7h 50m

Kalispell Glacier Park

Wed 9/10

8:02 pm-7:32 am

1 stop9h 30m

$290

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Tue 8/12

6:50 pm-11:51 pm

1 stop7h 01m

Kalispell Glacier Park

Wed 8/20

7:15 am-6:10 pm

1 stop8h 55m

$291

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Sun 7/20

11:58 am-11:14 am

1 stop25h 16m

Bozeman Gallatin Field

Thu 7/24

11:19 am-9:23 am

2 stops20h 04m

$323

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $479). 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 June 12, 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.

Rainfall in Montana by month

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

In terms of precipitation, rainfall in Montana ranges from 0.4 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Montana when rainfall is around 0.4 in.

Temperature in Montana by month

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

If weather is an important factor for your trip to Montana, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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 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?

    $107 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $112 and $129, 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 $417 for a flight from Washington, D.C. Dulles Intl Airport to Montana. The cheapest flight overall is $230 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 $479). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$236Average$531FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$256Average$473FlexibilityNo cancel feeOn-time63%
DeltaCheapest$256Average$558FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$270Average$478FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$613FlexibilityNo cancel feeOn-time69%

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