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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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — WAS
nov. 26 — dic. 31
mié. 11/26
mié. 12/3
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 octubre 27, 2025.

This United Airlines deal was found by Cheapflights users on 10/25. 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.
sáb. 11/1512:45 pmBZN - BWI
1 stop6h 40mUnited Airlines
dom. 11/168:15 amBWI - BZN
1 stop7h 20mUnited Airlines
Deal found 10/25$244
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/173:02 pmBZN - BWI
1 stop13h 16mAlaska Airlines
mié. 11/197:38 amBWI - BZN
1 stop8h 30mAlaska Airlines
Deal found 10/25$248
This Delta deal was found by Cheapflights users on 10/25. 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.
sáb. 11/152:16 pmBZN - IAD
1 stop7h 36mDelta
dom. 11/166:03 amIAD - BZN
1 stop9h 08mDelta
Deal found 10/25$249
This Delta deal was found by Cheapflights users on 10/25. 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.
sáb. 11/155:30 amBZN - DCA
1 stop8h 30mDelta
dom. 11/166:59 amDCA - BZN
1 stop8h 26mDelta
Deal found 10/25$249
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/310:45 amBZN - BWI
1 stop10h 05mSouthwest
vie. 12/55:50 pmBWI - BZN
1 stop6h 55mSouthwest
Deal found 10/25$249
This United Airlines deal was found by Cheapflights users on 10/25. 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. 11/174:00 pmBZN - BWI
2 stops13h 56mUnited Airlines
mié. 11/196:15 amBWI - BZN
2 stops9h 20mUnited Airlines
Deal found 10/25$259
This Delta deal was found by Cheapflights users on 10/26. 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. 11/112:16 pmBZN - DCA
1 stop6h 54mDelta
jue. 11/277:40 amDCA - BZN
1 stop7h 31mDelta
Deal found 10/26$274
This Delta deal was found by Cheapflights users on 10/26. 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. 12/32:51 pmFCA - IAD
1 stop7h 11mDelta
sáb. 12/66:00 amIAD - FCA
2 stops10h 29mDelta
Deal found 10/26$279
This Delta deal was found by Cheapflights users on 10/26. 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. 11/112:16 pmBZN - DCA
1 stop6h 54mDelta
mié. 12/33:06 pmDCA - BZN
2 stops10h 31mDelta
Deal found 10/26$279
This United Airlines deal was found by Cheapflights users on 10/25. 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.
dom. 11/162:38 pmFCA - IAD
1 stop6h 37mUnited Airlines
jue. 11/208:25 amIAD - FCA
1 stop7h 11mUnited Airlines
Deal found 10/25$282
This Delta deal was found by Cheapflights users on 10/25. 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.
jue. 12/116:33 pmBZN - BWI
1 stop9h 27mDelta
sáb. 12/137:02 amBWI - BZN
2 stops12h 51mDelta
Deal found 10/25$282
This JetBlue deal was found by Cheapflights users on 10/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1812:40 pmBZN - DCA
1 stop8h 12mJetBlue
mar. 12/306:15 amDCA - BZN
1 stop7h 15mJetBlue
Deal found 10/25$285

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 octubre 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$244
(United Airlines)

One-way from

$124
(Orbitz)

Popular in

August

Cheapest in

September

Average price

$429
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. 2% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
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 October 2025
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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 octubre 27, 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. 2/26

1:45 pm-11:35 pm

1 stop7h 50m

Washington, D.C. Dulles Intl

lun. 3/2

7:00 am-1:22 pm

1 stop8h 22m

$249

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

sáb. 11/15

11:40 am-11:10 pm

2 stops9h 30m

Washington, D.C. Reagan-National

dom. 11/16

6:59 am-1:25 pm

1 stop8h 26m

$254

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

lun. 11/17

4:00 pm-7:56 am

2 stops13h 56m

Baltimore/Washington

mié. 11/19

6:15 am-1:35 pm

2 stops9h 20m

$259

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

jue. 11/13

2:35 pm-11:41 pm

1 stop7h 06m

Washington, D.C. Reagan-National

jue. 11/27

6:10 am-1:11 pm

1 stop9h 01m

$274

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

mar. 11/11

2:16 pm-11:10 pm

1 stop6h 54m

Washington, D.C. Reagan-National

jue. 11/27

7:40 am-1:11 pm

1 stop7h 31m

$274

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

mar. 11/11

2:16 pm-11:10 pm

1 stop6h 54m

Washington, D.C. Reagan-National

mié. 12/3

6:58 pm-11:37 pm

1 stop6h 39m

$274

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

mié. 12/3

5:30 am-5:00 pm

2 stops9h 30m

Baltimore/Washington

vie. 12/5

5:50 pm-10:45 pm

1 stop6h 55m

$279

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

jue. 11/13

2:16 pm-11:31 pm

1 stop7h 15m

Washington, D.C. Reagan-National

mié. 12/3

3:06 pm-11:37 pm

2 stops10h 31m

$279

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

dom. 11/16

2:38 pm-11:15 pm

1 stop6h 37m

Washington, D.C. Dulles Intl

jue. 11/20

8:25 am-1:36 pm

1 stop7h 11m

$282

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

mié. 12/3

5:00 am-6:21 pm

2 stops11h 21m

Washington, D.C. Dulles Intl

sáb. 12/6

6:00 am-2:29 pm

2 stops10h 29m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 octubre 27, 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 50m. Delta provides one of the quickest options available for as low as $249. 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 Alaska Airlines ($124), Delta ($139), and United Airlines ($165).

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

    The most popular route from Montana to Washington, D.C. is Missoula Johnson-Bell Field - Washington, D.C. Dulles Intl. You may also consider Missoula Johnson-Bell Field - Baltimore/Washington or Missoula Johnson-Bell 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 $649. While the most popular route (Missoula Johnson-Bell Field - Washington, D.C. Dulles Intl) can be booked for $317 on average, our data indicates $649 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, 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
Woodbridge
Tysons
Arlington
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

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 octubre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$470FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$625FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$220Average$373FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$269Average$552FlexibilityNo cancel feeOn-time71%

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