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Washington, D.C.

$128+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — WAS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$262
(Delta)

One-way from

$128
(Alaska Airlines)

Popular in

August

Cheapest in

June

Average price

$428

Good one-way deal

$330 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. 6% potential increase in price ($28 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 July 2025
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Price to beat on a one-way 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 July 3, 2025.

This Delta deal was found by Cheapflights users on 7/3. 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.
Wed 10/12:19 pmBZN - DCA
1 stop7h 23mDelta
Wed 10/83:05 pmDCA - BZN
2 stops10h 53mDelta
Deal found 7/3$262
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/55:30 amBZN - IAD
2 stops10h 54mDelta
Wed 8/65:23 pmIAD - BZN
2 stops8h 36mDelta
Deal found 7/1$267
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 9/197:23 pmBZN - IAD
1 stop10h 10mAlaska Airlines
Tue 9/237:00 amIAD - BZN
1 stop9h 14mAlaska Airlines
Deal found 7/3$272
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/12:45 pmBZN - IAD
1 stop6h 15mSouthwest
Wed 11/55:45 pmIAD - BZN
1 stop7h 00mSouthwest
Deal found 7/1$273
This Hawaiian Airlines deal was found by Cheapflights users on 7/3. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:23 pmBZN - IAD
1 stop10h 10mHawaiian Airlines
Mon 9/227:00 amIAD - BZN
1 stop9h 14mHawaiian Airlines
Deal found 7/3$288
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:20 amBZN - IAD
1 stop7h 30mAmerican Airlines
Wed 10/86:11 amIAD - BZN
1 stop8h 45mAmerican Airlines
Deal found 7/3$289
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/194:19 pmBZN - DCA
1 stop6h 39mAmerican Airlines
Mon 9/226:30 amDCA - BZN
1 stop8h 19mAmerican Airlines
Deal found 7/3$289
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 9/241:51 pmMSO - DCA
1 stop9h 09mAmerican Airlines
Sun 9/285:00 amDCA - MSO
1 stop10h 00mAmerican Airlines
Deal found 7/2$289
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:18 pmBIL - BWI
1 stop8h 21mAlaska Airlines
Mon 9/297:37 pmBWI - BIL
1 stop21h 26mAlaska Airlines
Deal found 7/2$298
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 11/112:45 pmBZN - BWI
1 stop6h 39mUnited Airlines
Wed 11/54:12 pmBWI - BZN
1 stop7h 28mUnited Airlines
Deal found 7/1$298
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1712:00 pmBZN - BWI
1 stop15h 15mMultiple Airlines
Sun 8/247:54 pmBWI - BZN
2 stops23h 04mMultiple Airlines
Deal found 7/1$299
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 9/193:08 pmBZN - BWI
1 stop12h 31mAlaska Airlines
Mon 9/227:37 pmBWI - BZN
1 stop17h 09mAlaska Airlines
Deal found 7/3$302

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 July 3, 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 - DCA

BZNDCA

Bozeman Gallatin Field

Wed 10/1

2:19 pm-11:42 pm

1 stop7h 23m

Washington, D.C. Reagan-National

Wed 10/8

3:05 pm-11:58 pm

2 stops10h 53m

$262

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Tue 8/5

5:30 am-6:24 pm

2 stops10h 54m

Washington, D.C. Dulles Intl

Wed 8/6

5:23 pm-11:59 pm

2 stops8h 36m

$267

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Fri 9/19

7:23 pm-7:33 am

1 stop10h 10m

Washington, D.C. Dulles Intl

Tue 9/23

7:00 am-2:14 pm

1 stop9h 14m

$272

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Sat 11/1

2:45 pm-11:00 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Wed 11/5

5:45 pm-10:45 pm

1 stop7h 00m

$273

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Fri 9/19

7:23 pm-7:33 am

1 stop10h 10m

Washington, D.C. Dulles Intl

Mon 9/22

7:00 am-2:14 pm

1 stop9h 14m

$288

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Wed 10/1

7:20 am-4:50 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Wed 10/8

6:11 am-12:56 pm

1 stop8h 45m

$289

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Fri 9/19

4:19 pm-12:58 am

1 stop6h 39m

Washington, D.C. Reagan-National

Mon 9/22

6:30 am-12:49 pm

1 stop8h 19m

$289

MissoulaWashington, D.C.

MSO - DCA

MSODCA

Missoula Johnson-Bell Field

Wed 9/24

1:51 pm-1:00 am

1 stop9h 09m

Washington, D.C. Reagan-National

Sun 9/28

5:00 am-1:00 pm

1 stop10h 00m

$289

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 11/1

12:45 pm-9:24 pm

1 stop6h 39m

Baltimore/Washington

Wed 11/5

4:12 pm-9:40 pm

1 stop7h 28m

$298

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Thu 9/25

7:18 pm-5:39 am

1 stop8h 21m

Baltimore/Washington

Mon 9/29

7:37 pm-3:03 pm

1 stop21h 26m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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, August is the cheapest month in which you can book a flight from Montana to Washington, D.C. (average of $309). Flying from Montana to Washington, D.C. in July is currently the most expensive (average of $345). 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 July 3, 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.?

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated July 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Montana to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 ($128), Delta ($129), and Hawaiian 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 $220. While the most popular route (Bozeman Gallatin Field - Washington, D.C. Dulles Intl) can be booked for $272 on average our data indicates $384 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, August is the cheapest month in which you can book a flight from Montana to Washington, D.C. (average of $309). Flying from Montana to Washington, D.C. in July is currently the most expensive (average of $345). 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 Montana?

Book flights to Montana if you plan to visit one of these locations
Arlington
Woodbridge
Alexandria
Tysons
Silver Spring
Fredericksburg
Linthicum Heights
Gaithersburg
Fairfax
Easton
Towson
Waldorf
Laurel
Falls Church
Rockville
Springfield
National Harbor
Manassas
Dundalk
Bowie

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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.
Los Angeles to Dulles Intl flights
Dallas/Fort Worth to Dulles Intl flights
Los Angeles to Reagan-National flights
Boston to Reagan-National flights
Atlanta to Dulles Intl flights
Orlando to Dulles Intl flights
San Francisco to Dulles Intl flights
Hobby to Reagan-National flights
O'Hare Intl to Reagan-National flights
Dallas/Fort Worth to Reagan-National flights
O'Hare Intl to Dulles Intl flights
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San Francisco to Reagan-National flights
Boston to Dulles Intl flights
Hobby to Dulles Intl flights
Seattle to Reagan-National flights
Atlanta to Reagan-National flights
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Minneapolis to Reagan-National flights
Miami to Reagan-National flights
Austin to Dulles Intl flights
Denver to Reagan-National flights
George Bush Intcntl to Reagan-National flights
Ontario to Dulles Intl flights
Minneapolis to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
Detroit to Dulles Intl flights
John F Kennedy Intl to Dulles Intl flights
Tampa to Reagan-National flights
Orlando to Reagan-National flights
Midway to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
San Diego to Dulles Intl flights
Charlotte to Dulles Intl flights
San Diego to Reagan-National flights
Newark to Dulles Intl flights
Portland to Reagan-National flights
LaGuardia to Reagan-National flights
Sky Harbor Intl to Dulles Intl flights
Detroit to Reagan-National flights
Newark to Reagan-National flights
San Antonio to Dulles Intl flights
Portland to Dulles Intl flights
LaGuardia to Dulles Intl flights
Charlotte to Reagan-National flights
Hartford to Dulles Intl flights
Ontario to Reagan-National flights
Jacksonville to Dulles Intl flights

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$512FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$573FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$313Average$511FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$371Average$518FlexibilityNo cancel feeOn-time63%

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