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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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZN
dic. 4 — dic. 111
jue. 12/4
jue. 12/11
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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$125
(Southwest)

Popular in

December

Cheapest in

January

Average price

$398
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. 1% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 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 4, 2025.

This American Airlines deal was found by Cheapflights users on 11/2. 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.
jue. 12/46:00 amIAD - BZN
1 stop8h 55mAmerican Airlines
mar. 12/91:46 pmBZN - IAD
1 stop7h 13mAmerican Airlines
Deal found 11/2$249
This Delta deal was found by Cheapflights users on 11/3. 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.
vie. 12/126:56 pmIAD - BZN
1 stop6h 41mDelta
mié. 12/172:17 pmBZN - IAD
1 stop7h 45mDelta
Deal found 11/3$309
This Delta deal was found by Cheapflights users on 11/3. 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.
jue. 11/277:15 amIAD - BZN
1 stop9h 05mDelta
mié. 12/32:17 pmBZN - IAD
1 stop7h 45mDelta
Deal found 11/3$329
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
sáb. 12/67:34 amIAD - GTF
1 stop13h 21mAlaska Airlines
lun. 12/157:35 pmGTF - IAD
1 stop19h 01mAlaska Airlines
Deal found 11/4$334
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
jue. 12/46:30 pmIAD - MSO
1 stop23h 02mAlaska Airlines
mar. 12/96:29 amMSO - IAD
1 stop8h 07mAlaska Airlines
Deal found 11/3$334
This Southwest deal was found by Cheapflights users on 11/3. 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.
dom. 11/237:50 pmIAD - BZN
1 stop6h 25mSouthwest
mié. 12/312:40 pmBZN - IAD
1 stop7h 20mSouthwest
Deal found 11/3$344
This Delta deal was found by Cheapflights users on 11/3. 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.
dom. 11/237:15 amIAD - BZN
1 stop9h 05mDelta
mié. 12/311:45 amBZN - IAD
2 stops10h 17mDelta
Deal found 11/3$359
This Expedia deal was found by Cheapflights users on 11/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/126:30 pmIAD - BZN
1 stop30h 47mAlaska Airlines
lun. 12/151:44 pmBZN - IAD
2 stops14h 22mAlaska Airlines
Deal found 11/3$360
This United Airlines deal was found by Cheapflights users on 11/3. 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. 12/32:30 pmIAD - MSO
1 stop8h 48mUnited Airlines
mié. 12/106:15 amMSO - IAD
1 stop8h 15mUnited Airlines
Deal found 11/3$361
This Delta deal was found by Cheapflights users on 11/3. 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.
jue. 12/412:30 pmIAD - MSO
2 stops14h 06mDelta
mar. 12/91:13 pmMSO - IAD
1 stop8h 16mDelta
Deal found 11/3$366
This United Airlines deal was found by Cheapflights users on 11/1. 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. 11/102:25 pmIAD - FCA
1 stop9h 19mUnited Airlines
lun. 11/172:38 pmFCA - IAD
1 stop6h 37mUnited Airlines
Deal found 11/1$369
This United Airlines deal was found by Cheapflights users on 11/3. 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.
jue. 11/279:57 amIAD - BTM
1 stop7h 57mUnited Airlines
mié. 12/310:00 amBTM - IAD
1 stop7h 08mUnited Airlines
Deal found 11/3$374

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 4, 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

mié. 1/7

7:00 am-2:24 pm

1 stop9h 24m

Kalispell Glacier Park

mié. 1/14

3:22 pm-11:57 pm

1 stop6h 35m

$249

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

lun. 1/5

6:29 pm-12:03 pm

1 stop19h 34m

Bozeman Gallatin Field

sáb. 1/10

12:46 pm-5:04 pm

1 stop26h 18m

$269

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

vie. 2/20

6:55 pm-10:48 am

1 stop17h 53m

Bozeman Gallatin Field

mié. 2/25

3:25 pm-5:55 am

1 stop12h 30m

$269

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

sáb. 1/10

7:30 am-2:20 pm

1 stop8h 50m

Bozeman Gallatin Field

jue. 1/15

2:39 pm-11:37 pm

1 stop6h 58m

$307

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

2:01 pm-11:57 pm

1 stop7h 56m

$307

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

sáb. 1/24

7:30 am-2:20 pm

1 stop8h 50m

Bozeman Gallatin Field

mar. 1/27

2:01 pm-11:57 pm

1 stop7h 56m

$307

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

sáb. 1/24

2:24 pm-9:33 pm

1 stop9h 09m

Bozeman Gallatin Field

jue. 1/29

2:30 pm-11:22 pm

1 stop6h 52m

$309

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

jue. 1/22

5:30 pm-10:15 pm

1 stop6h 45m

Bozeman Gallatin Field

lun. 1/26

7:40 am-3:50 pm

1 stop6h 10m

$309

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

mié. 4/8

6:20 am-11:33 am

1 stop7h 13m

Bozeman Gallatin Field

mié. 4/15

12:30 pm-9:05 pm

1 stop6h 35m

$309

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

mié. 3/4

7:00 am-2:25 pm

1 stop9h 25m

Bozeman Gallatin Field

mar. 3/10

3:25 pm-5:25 pm

2 stops24h 00m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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, 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 $369). 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 4, 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.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Montana?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Montana. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Montana flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 4, 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
11,241 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,241 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,239 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,003 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,002 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,040 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a 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 33m. 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 Southwest. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $150 and $150, 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 - Kalispell Glacier Park or Washington, D.C. Dulles Intl - Great Falls 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 $369). 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$242Average$455FlexibilityNo cancel feeOn-time63%
DeltaCheapest$256Average$529FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$464FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$290Average$554FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$297Average$628FlexibilityNo cancel feeOn-time69%

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