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Washington, D.C.

$127+ Cheap flights from Montana to Washington, D.C. (WAS)

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — WAS
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
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Cheap flight deals from Montana to Washington, D.C.

Keep the following information in mind while searching for Montana to Washington, D.C. flight deals. Data was last updated agosto 20, 2025.

Round-trip from

$257
(Delta)

One-way from

$127
(Kiwi.com)

Popular in

August

Cheapest in

June

Average price

$663

Good round-trip deal

$634 or less
From Montana to Washington, D.C. (WAS)
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One-way flight from Montana to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 20% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Montana to Washington, D.C. (WAS).
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Find flight deals from Montana to Washington, D.C.

Cheapest flights from Montana to Washington, D.C.
Explore the most affordable flight options available from Montana to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/62:29 pmBZN - IAD
1 stop6h 51mDelta
dom. 11/96:00 amIAD - BZN
1 stop9h 16mDelta
Deal found 8/18$257
This Southwest deal was found by Cheapflights users on 8/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/176:00 amBZN - IAD
1 stop5h 40mSouthwest
mié. 9/245:45 amIAD - BZN
1 stop6h 20mSouthwest
Deal found 8/18$277
This United Airlines deal was found by Cheapflights users on 8/18. 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.
mié. 9/1710:37 amBZN - BWI
1 stop6h 35mUnited Airlines
mié. 9/247:00 amBWI - BZN
1 stop9h 33mUnited Airlines
Deal found 8/18$277
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/193:08 pmBZN - IAD
1 stop14h 25mAlaska Airlines
mar. 9/237:00 amIAD - BZN
1 stop9h 14mAlaska Airlines
Deal found 8/18$283
This United Airlines deal was found by Cheapflights users on 8/18. 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.
mié. 9/1712:50 pmBZN - DCA
1 stop7h 53mUnited Airlines
mié. 9/247:25 amDCA - BZN
1 stop6h 19mUnited Airlines
Deal found 8/18$284
This Hawaiian Airlines deal was found by Cheapflights users on 8/18. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1111:26 amBZN - IAD
1 stop10h 57mHawaiian Airlines
lun. 9/157:00 amIAD - BZN
1 stop9h 14mHawaiian Airlines
Deal found 8/18$288
This Hawaiian Airlines deal was found by Cheapflights users on 8/18. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/15:10 amBZN - DCA
1 stop8h 50mHawaiian Airlines
sáb. 11/85:53 pmDCA - BZN
1 stop8h 22mHawaiian Airlines
Deal found 8/18$288
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
dom. 9/143:42 pmBZN - BWI
2 stops37h 19mMultiple Airlines
mié. 9/177:02 pmBWI - BZN
1 stop17h 37mMultiple Airlines
Deal found 8/19$288
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/197:20 amBZN - IAD
1 stop7h 30mAmerican Airlines
lun. 9/2211:47 amIAD - BZN
1 stop9h 30mAmerican Airlines
Deal found 8/18$289
This American Airlines deal was found by Cheapflights users on 8/19. 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.
vie. 9/191:39 pmBZN - DCA
1 stop7h 47mAmerican Airlines
mar. 9/239:20 amDCA - BZN
1 stop7h 52mAmerican Airlines
Deal found 8/19$289
This United Airlines deal was found by Cheapflights users on 8/19. 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. 9/116:30 amFCA - IAD
1 stop8h 13mUnited Airlines
dom. 9/146:35 amIAD - FCA
1 stop7h 00mUnited Airlines
Deal found 8/19$291
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/195:28 pmBZN - IAD
1 stop10h 33mDelta
mar. 9/235:00 pmIAD - BZN
2 stops8h 56mDelta
Deal found 8/18$294

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Washington, D.C. 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 agosto 20, 2025.
Use the filters below to find and compare flights from Montana to Washington, D.C. that are best for you.

Fly from

Montana

Fly to

Washington, D.C.

Route

Depart

Return

Price

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

jue. 11/6

2:29 pm-11:20 pm

1 stop6h 51m

Washington, D.C. Dulles Intl

dom. 11/9

6:00 am-1:16 pm

1 stop9h 16m

$257

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

mié. 10/1

6:00 am-1:40 pm

1 stop5h 40m

Washington, D.C. Dulles Intl

mar. 10/7

6:40 pm-11:25 pm

1 stop6h 45m

$277

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

mié. 9/17

10:37 am-7:12 pm

1 stop6h 35m

Baltimore/Washington

mié. 9/24

7:00 am-2:33 pm

1 stop9h 33m

$277

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

mié. 9/17

6:00 am-1:40 pm

1 stop5h 40m

Washington, D.C. Dulles Intl

mié. 9/24

5:45 am-10:05 am

1 stop6h 20m

$277

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

mié. 10/1

11:26 am-12:23 am

1 stop10h 57m

Washington, D.C. Dulles Intl

mié. 10/8

6:25 am-2:10 pm

1 stop9h 45m

$283

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

mié. 1/21

12:43 pm-5:25 pm

1 stop26h 42m

Washington, D.C. Dulles Intl

sáb. 1/24

6:55 pm-10:48 am

1 stop17h 53m

$283

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

vie. 9/19

7:23 pm-7:33 am

1 stop10h 10m

Washington, D.C. Dulles Intl

mar. 9/23

7:00 am-2:14 pm

1 stop9h 14m

$283

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

mié. 9/17

12:50 pm-10:43 pm

1 stop7h 53m

Washington, D.C. Reagan-National

mié. 9/24

7:25 am-11:44 am

1 stop6h 19m

$284

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

dom. 9/14

3:42 pm-7:01 am

2 stops37h 19m

Baltimore/Washington

mié. 9/17

7:02 pm-10:39 am

1 stop17h 37m

$288

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

sáb. 11/1

5:10 am-4:00 pm

1 stop8h 50m

Washington, D.C. Reagan-National

sáb. 11/8

5:53 pm-12:15 am

1 stop8h 22m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 60 results
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Best time to book a flight from Montana to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Montana 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 Montana to Washington, D.C.

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

Currently, July is the cheapest month in which you can book a flight from Montana to Washington, D.C. (average of $303). Flying from Montana to Washington, D.C. in April is currently the most expensive (average of $337). 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 MT to WAS?

Find hourly flight availability from Montana to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 20, 2025.

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

How much does it cost to fly round-trip from Montana to Washington, D.C.?

Related info for your journey

Find useful and relevant information for your journey from Montana to Washington, D.C.. 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 Montana to Washington, D.C.?

    A quick flight from Montana to Washington, D.C. can take about 5h 40m. Delta provides one of the quickest options available for as low as $277. Montana and Washington, D.C. are separated by a distance of 1768 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Montana to Washington, D.C. are Southwest ($139), Hawaiian Airlines ($144), and Alaska Airlines ($144).

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

    The most popular route from Montana to Washington, D.C. is Bozeman Gallatin Field - Washington, D.C. Dulles Intl. You may also consider Bozeman Gallatin Field - Baltimore/Washington or Bozeman Gallatin Field - Washington, D.C. Reagan-National.

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

    Looking at all options, your cheapest flight can be booked for $363. While the most popular route (Bozeman Gallatin Field - Washington, D.C. Dulles Intl) can be booked for $257 on average our data indicates $892 when flying from Montana to Washington, D.C..

  • Can I find deals for flights from Montana to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Montana to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to Washington, D.C.?

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

  • Can I find deals for business class flights from Montana to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Montana to Washington, D.C. 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 Montana to Washington, D.C.?

    Currently, July is the cheapest month in which you can book a flight from Montana to Washington, D.C. (average of $303). Flying from Montana to Washington, D.C. in April is currently the most expensive (average of $337). 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montana to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Montana to Washington, D.C.

Discover the top 4 airlines that operate flights from Montana to Washington, D.C.. 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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$521FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$578FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$220Average$398FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$313Average$521FlexibilityNo cancel feeOn-time71%

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