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$125+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZN
dic. 25 — ene. 11
jue. 12/25
jue. 1/1
1 adult, Economy
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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 noviembre 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(Delta)

One-way from

$125
(Delta)

Popular in

December

Cheapest in

January

Average price

$448
Provider with most accurate pricing for Washington, D.C. (WAS)-Bozeman Gallatin Field flight deals.
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From Washington, D.C. Dulles Intl to Montana
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One-way flight from Washington, D.C. Dulles Intl to Montana
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Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 noviembre 25, 2025.

This Delta deal was found by Cheapflights users on 11/25. 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. 12/177:15 amIAD - BZN
1 stop9h 03mDelta
dom. 12/213:20 pmBZN - IAD
1 stop6h 52mDelta
Deal found 11/25$289
This Delta deal was found by Cheapflights users on 11/23. 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. 12/177:15 amIAD - BZN
1 stop9h 03mDelta
sáb. 1/107:23 amBZN - IAD
1 stop13h 47mDelta
Deal found 11/23$305
This Delta deal was found by Cheapflights users on 11/23. 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. 12/177:15 amIAD - BZN
1 stop9h 03mDelta
mié. 1/72:39 pmBZN - IAD
1 stop6h 58mDelta
Deal found 11/23$307
This Delta deal was found by Cheapflights users on 11/23. 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. 12/177:15 amIAD - BZN
1 stop9h 03mDelta
jue. 1/87:23 amBZN - IAD
1 stop13h 47mDelta
Deal found 11/23$335
This Kiwi.com deal was found by Cheapflights users on 11/23. 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.
lun. 12/226:43 pmIAD - BZN
1 stop18h 14mAlaska Airlines
lun. 12/296:09 amBZN - IAD
1 stop9h 34mAlaska Airlines
Deal found 11/23$337
This Southwest deal was found by Cheapflights users on 11/23. 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.
mié. 12/315:45 pmIAD - BZN
1 stop7h 00mSouthwest
mié. 1/77:40 amBZN - IAD
1 stop6h 10mSouthwest
Deal found 11/23$344
This United Airlines deal was found by Cheapflights users on 11/24. 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.
mié. 12/102:30 pmIAD - FCA
1 stop9h 16mUnited Airlines
dom. 12/146:15 amFCA - IAD
1 stop8h 15mUnited Airlines
Deal found 11/24$349
This Delta deal was found by Cheapflights users on 11/24. 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.
mar. 12/97:15 amIAD - BZN
1 stop9h 03mDelta
sáb. 12/132:17 pmBZN - IAD
1 stop7h 45mDelta
Deal found 11/24$359
This United Airlines deal was found by Cheapflights users on 11/25. 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.
lun. 12/85:25 pmIAD - BTM
1 stop7h 04mUnited Airlines
mar. 1/139:14 amBTM - IAD
1 stop8h 07mUnited Airlines
Deal found 11/25$364
This United Airlines deal was found by Cheapflights users on 11/23. 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.
mié. 12/175:25 pmIAD - BTM
1 stop7h 04mUnited Airlines
mié. 1/79:14 amBTM - IAD
1 stop8h 07mUnited Airlines
Deal found 11/23$374
This Alaska Airlines deal was found by Cheapflights users on 11/24. 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.
mar. 12/167:34 amIAD - MSO
1 stop18h 52mAlaska Airlines
lun. 1/54:21 pmMSO - IAD
1 stop11h 52mAlaska Airlines
Deal found 11/24$374
This Delta deal was found by Cheapflights users on 11/25. 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. 12/177:15 amIAD - BZN
1 stop9h 03mDelta
jue. 12/182:17 pmBZN - IAD
1 stop7h 45mDelta
Deal found 11/25$380

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 noviembre 25, 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

dom. 1/11

6:00 am-2:22 pm

2 stops10h 22m

Kalispell Glacier Park

mié. 1/14

3:23 pm-11:57 pm

1 stop6h 34m

$279

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

lun. 2/23

7:30 am-10:25 pm

1 stop16h 55m

Bozeman Gallatin Field

vie. 2/27

3:05 pm-11:10 pm

1 stop30h 05m

$305

Washington, D.C.Cody

IAD - COD

IADCOD

Washington, D.C. Dulles Intl

sáb. 1/17

5:15 pm-10:44 pm

1 stop7h 29m

Cody E.E. Faust

sáb. 1/24

1:42 pm-11:22 pm

1 stop7h 40m

$306

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

sáb. 1/17

7:30 am-2:20 pm

1 stop8h 50m

Bozeman Gallatin Field

mié. 1/21

2:39 pm-12:24 am

1 stop7h 45m

$307

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

dom. 2/8

7:30 am-2:20 pm

1 stop8h 50m

Bozeman Gallatin Field

vie. 2/13

6:00 am-1:35 pm

1 stop5h 35m

$309

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

dom. 2/1

6:00 am-11:20 am

1 stop7h 20m

Bozeman Gallatin Field

jue. 2/5

2:39 pm-12:24 am

1 stop7h 45m

$309

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

mié. 2/4

5:30 pm-10:15 pm

1 stop6h 45m

Bozeman Gallatin Field

dom. 2/8

7:40 am-9:55 pm

1 stop12h 15m

$314

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

jue. 1/29

7:30 am-2:20 pm

1 stop8h 50m

Bozeman Gallatin Field

lun. 2/2

6:30 pm-9:13 am

2 stops12h 43m

$314

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

sáb. 1/10

7:00 am-2:31 pm

1 stop9h 31m

Kalispell Glacier Park

mar. 1/13

3:23 pm-11:57 pm

1 stop6h 34m

$314

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

mié. 1/28

7:30 am-2:20 pm

1 stop8h 50m

Bozeman Gallatin Field

dom. 2/1

6:00 am-1:35 pm

1 stop5h 35m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 57 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Montana (average of $198). Flying from Washington, D.C. Dulles Intl Airport to Montana in March is currently the most expensive (average of $377). 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 noviembre 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Montana at noon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.

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 noviembre 25, 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.
Alaska Airlines
8.0
Very good
11,352 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Alaska Airlines
8.0
Very good
11,352 reviews
Alaska Airlines
8.0
Very good
11,352 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Southwest
8.0
Very good
4,254 reviews
Alaska Airlines
8.0
Very good
11,352 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Delta
7.9
Good
7,999 reviews
Alaska Airlines
8.0
Very good
11,352 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
United Airlines
7.4
Good
9,046 reviews
Alaska Airlines
8.0
Very good
11,352 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
American Airlines
7.2
Good
11,038 reviews
Alaska Airlines
8.0
Very good
11,352 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

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 7h 29m. Airlines will cover a distance of 1661 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $125 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Southwest and Alaska Airlines, with prices starting from $155 and $155, respectively.

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

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Montana (average of $198). Flying from Washington, D.C. Dulles Intl Airport to Montana in March is currently the most expensive (average of $377). 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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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 noviembre 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$242Average$451FlexibilityNo cancel feeOn-time63%
DeltaCheapest$256Average$529FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$461FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$290Average$523FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$308Average$614FlexibilityNo cancel feeOn-time69%

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