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Washington, D.C.

$124+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — WAS
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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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 November 10, 2025.

This KAYAK deal was found by Cheapflights users on 11/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:00 amBZN - BWI
1 stop9h 16mAlaska Airlines
Mon 12/87:00 amBWI - BZN
1 stop9h 04mAlaska Airlines
Deal found 11/9$242
This Delta deal was found by Cheapflights users on 11/9. 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.
Fri 12/52:51 pmFCA - IAD
1 stop7h 11mDelta
Fri 12/126:03 amIAD - FCA
1 stop9h 53mDelta
Deal found 11/9$249
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Fri 12/51:46 pmBZN - DCA
1 stop7h 14mAmerican Airlines
Mon 12/86:30 amDCA - BZN
1 stop8h 24mAmerican Airlines
Deal found 11/9$249
This American Airlines deal was found by Cheapflights users on 11/10. 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.
Wed 12/31:46 pmBZN - DCA
1 stop7h 14mAmerican Airlines
Sat 12/65:00 amDCA - BZN
2 stops9h 38mAmerican Airlines
Deal found 11/10$254
This Southwest deal was found by Cheapflights users on 11/9. 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.
Fri 12/125:45 pmBZN - BWI
1 stop9h 25mSouthwest
Mon 12/155:50 pmBWI - BZN
1 stop6h 55mSouthwest
Deal found 11/9$254
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:33 pmBZN - BWI
1 stop9h 27mDelta
Wed 12/176:00 amBWI - BZN
1 stop9h 12mDelta
Deal found 11/10$277
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/1012:50 pmBZN - BWI
1 stop6h 18mUnited Airlines
Wed 12/178:20 amBWI - BZN
1 stop9h 11mUnited Airlines
Deal found 11/10$279
This Delta deal was found by Cheapflights users on 11/9. 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.
Fri 12/123:00 pmBZN - BWI
2 stops13h 00mDelta
Mon 12/157:06 pmBWI - BZN
1 stop6h 31mDelta
Deal found 11/9$285
This Expedia deal was found by Cheapflights users on 11/9. 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.
Fri 12/511:46 amBZN - DCA
1 stop8h 13mAlaska Airlines
Mon 12/86:59 pmDCA - BZN
2 stops21h 05mAlaska Airlines
Deal found 11/9$292
This KAYAK deal was found by Cheapflights users on 11/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:00 amBZN - BWI
1 stop9h 16mAlaska Airlines
Sat 12/67:00 amBWI - BZN
1 stop9h 04mAlaska Airlines
Deal found 11/10$298
This Trip.com deal was found by Cheapflights users on 11/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:32 amBZN - DCA
1 stop9h 14mJetBlue
Wed 12/316:15 amDCA - BZN
1 stop30h 06mJetBlue
Deal found 11/8$307
This American Airlines deal was found by Cheapflights users on 11/10. 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.
Sat 12/61:31 pmBZN - DCA
1 stop7h 29mAmerican Airlines
Wed 12/106:30 amDCA - BZN
1 stop8h 24mAmerican Airlines
Deal found 11/10$308

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 November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$242
(KAYAK)

One-way from

$124
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$279
Provider with most accurate pricing for Bozeman Gallatin Field-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Washington, D.C. (WAS) flights.
Search Deals
From Montana to Washington, D.C. (WAS)
Search Deals
One-way flight from Montana to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 10, 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

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 12/5

7:00 am-6:16 pm

1 stop9h 16m

Baltimore/Washington

Mon 12/8

7:00 am-2:04 pm

1 stop9h 04m

$242

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Thu 2/5

12:00 pm-9:59 pm

1 stop7h 59m

Washington, D.C. Reagan-National

Mon 2/9

5:09 pm-1:06 pm

1 stop21h 57m

$248

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Fri 12/5

2:51 pm-12:02 am

1 stop7h 11m

Washington, D.C. Dulles Intl

Fri 12/12

6:03 am-1:56 pm

1 stop9h 53m

$249

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Fri 12/5

1:46 pm-11:00 pm

1 stop7h 14m

Washington, D.C. Reagan-National

Mon 12/8

6:30 am-12:54 pm

1 stop8h 24m

$249

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Tue 1/27

6:15 am-3:04 pm

1 stop6h 49m

Baltimore/Washington

Mon 2/2

8:23 am-3:20 pm

1 stop8h 57m

$249

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 1/28

11:15 am-9:45 pm

1 stop8h 30m

Baltimore/Washington

Mon 2/2

5:10 pm-10:15 pm

1 stop7h 05m

$249

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Wed 4/15

3:00 pm-11:29 pm

1 stop6h 29m

Washington, D.C. Dulles Intl

Sat 4/18

6:15 am-1:45 pm

1 stop9h 30m

$249

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 1/15

1:42 pm-11:52 pm

1 stop8h 10m

Baltimore/Washington

Tue 1/20

6:17 am-1:19 pm

1 stop9h 02m

$249

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 4/15

3:00 pm-11:28 pm

1 stop6h 28m

Washington, D.C. Reagan-National

Sat 4/18

6:10 am-1:45 pm

1 stop9h 35m

$249

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Tue 4/14

3:00 pm-11:28 pm

1 stop6h 28m

Washington, D.C. Reagan-National

Sat 4/18

7:40 am-1:45 pm

1 stop8h 05m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

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, April is the cheapest month in which you can book a flight from Montana to Washington, D.C. (average of $169). Flying from Montana to Washington, D.C. in July is currently the most expensive (average of $271). 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 November 10, 2025.

A simple way to save on the total cost of your ticket is to fly from Montana to Washington, D.C. in the evening. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the morning.

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 7h 11m. Alaska Airlines provides one of the quickest options available for as low as $249. Montana and Washington, D.C. are separated by a distance of 1928 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 Alaska Airlines ($124), Southwest ($125), and United Airlines ($125).

  • 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 Kalispell Glacier Park - Washington, D.C. Dulles Intl or Bozeman Gallatin Field - Washington, D.C. Reagan-National.

  • 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, April is the cheapest month in which you can book a flight from Montana to Washington, D.C. (average of $169). Flying from Montana to Washington, D.C. in July is currently the most expensive (average of $271). 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
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$471FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$624FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$220Average$368FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$269Average$552FlexibilityNo cancel feeOn-time71%

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