HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montana

$125+ Cheap flights from Washington, D.C. (WAS) 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BZN
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Montana with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington, D.C. to Montana

Cheapest flights from Washington, D.C. to Montana
Explore the most affordable flight options available from Washington, D.C. to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 3/47:05 am
IAD
-
BZN
1 stop9h 03m
Alaska Airlines
Tue 3/107:00 am
BZN
-
IAD
1 stop8h 20m
Alaska Airlines
Deal found 2/3$237
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:20 am
BWI
-
BZN
1 stop7h 25m
Southwest
Mon 3/97:10 pm
BZN
-
BWI
1 stop8h 35m
Southwest
Deal found 2/2$249
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/310:30 am
BWI
-
BZN
2 stops12h 42m
United Airlines
Tue 3/102:43 pm
BZN
-
BWI
1 stop6h 29m
United Airlines
Deal found 2/1$254
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 10/275:04 pm
DCA
-
FCA
1 stop8h 55m
Alaska Airlines
Sat 10/316:33 am
FCA
-
DCA
1 stop7h 35m
Alaska Airlines
Deal found 1/31$269
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am
IAD
-
FCA
1 stop11h 05m
Alaska Airlines
Sat 10/316:33 am
FCA
-
IAD
1 stop8h 43m
Alaska Airlines
Deal found 2/1$269
This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:46 pm
BWI
-
BZN
1 stop18h 07m
Alaska Airlines
Thu 2/267:21 pm
BZN
-
BWI
1 stop20h 25m
Alaska Airlines
Deal found 2/2$274
This Delta deal was found by Cheapflights users on 2/1. 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 3/172:59 pm
BWI
-
BZN
1 stop7h 15m
Delta
Sat 3/282:45 pm
BZN
-
BWI
1 stop8h 08m
Delta
Deal found 2/1$277
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:55 am
DCA
-
MSO
1 stop8h 43m
American Airlines
Tue 4/211:08 pm
MSO
-
DCA
1 stop7h 51m
American Airlines
Deal found 2/1$277
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 4/152:21 pm
IAD
-
MSO
1 stop9h 14m
United Airlines
Tue 4/216:15 am
MSO
-
IAD
1 stop8h 31m
United Airlines
Deal found 2/1$277
This Southwest deal was found by Cheapflights users on 2/1. 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 2/215:50 pm
BWI
-
BZN
1 stop7h 00m
Southwest
Sat 2/285:10 am
BZN
-
BWI
2 stops9h 20m
Southwest
Deal found 2/1$279
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/249:47 am
IAD
-
BZN
1 stop7h 41m
United Airlines
Sat 3/283:00 pm
BZN
-
IAD
Nonstop3h 59m
United Airlines
Deal found 2/1$279
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:45 am
BWI
-
BZN
2 stops12h 40m
Delta
Tue 3/102:45 pm
BZN
-
BWI
1 stop8h 08m
Delta
Deal found 2/2$282

Find flight deals from Washington, D.C. to Montana

Keep the following information in mind while searching for Washington, D.C. to Montana flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Alaska Airlines)

One-way from

$125
(Southwest)

Popular in

December

Cheapest in

January

Average price

$419

Good round-trip deal

$399 or less

Good one-way deal

$216 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Bozeman Gallatin Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Bozeman Gallatin Field flights.
Search Deals
From Washington, D.C. (WAS) to Montana
Search Deals
One-way flight from Washington, D.C. (WAS) to Montana
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Montana.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Montana.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 February 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Montana that are best for you.

Fly from

Washington, D.C.

Fly to

Montana

Route

Depart

Return

Price

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Mon 3/2

9:20 am-2:45 pm

1 stop7h 25m

Bozeman Gallatin Field

Mon 3/9

7:10 pm-5:45 am

1 stop8h 35m

$249

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Wed 5/27

6:17 am-4:36 pm

2 stops12h 19m

Bozeman Gallatin Field

Sat 6/6

5:16 pm-7:09 am

1 stop11h 53m

$254

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-2:08 pm

1 stop9h 03m

Bozeman Gallatin Field

Tue 3/10

7:00 am-5:20 pm

1 stop8h 20m

$277

Washington, D.C.Missoula

DCA - MSO

DCAMSO

Washington, D.C. Reagan-National

Wed 4/22

5:55 am-12:38 pm

1 stop8h 43m

Missoula Johnson-Bell Field

Tue 4/28

1:08 pm-11:57 pm

1 stop8h 49m

$277

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Wed 3/4

11:45 am-10:25 pm

2 stops12h 40m

Bozeman Gallatin Field

Tue 3/10

2:45 pm-12:53 am

1 stop8h 08m

$282

Washington, D.C.Missoula

DCA - MSO

DCAMSO

Washington, D.C. Reagan-National

Wed 5/13

2:45 pm-11:37 pm

2 stops10h 52m

Missoula Johnson-Bell Field

Tue 5/19

3:30 pm-11:30 pm

1 stop6h 00m

$282

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Fri 5/1

6:08 am-12:34 pm

1 stop8h 26m

Bozeman Gallatin Field

Sun 5/3

6:35 pm-6:00 am

1 stop9h 25m

$288

Washington, D.C.Missoula

DCA - MSO

DCAMSO

Washington, D.C. Reagan-National

Wed 4/22

2:34 pm-12:16 am

2 stops11h 42m

Missoula Johnson-Bell Field

Tue 4/28

5:20 am-6:35 pm

2 stops11h 15m

$288

Washington, D.C.Bozeman

DCA - BZN

DCABZN

Washington, D.C. Reagan-National

Sat 3/7

3:21 pm-9:38 pm

1 stop8h 17m

Bozeman Gallatin Field

Tue 3/10

7:00 am-2:41 pm

1 stop5h 41m

$289

Washington, D.C.Bozeman

DCA - BZN

DCABZN

Washington, D.C. Reagan-National

Sun 3/15

6:00 am-11:24 am

1 stop7h 24m

Bozeman Gallatin Field

Tue 3/24

5:58 am-6:18 pm

2 stops10h 20m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Washington, D.C. to Montana

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

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

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Montana (average of $176). Flying from Washington, D.C. to Montana in March is currently the most expensive (average of $323). 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 WAS to MT?

Find hourly flight availability from Washington, D.C. 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 February 3, 2026.

When flying from Washington, D.C. to Montana, 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 Washington, D.C. to Montana?

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 February 3, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Washington, D.C. to Montana. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,833 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,833 reviews
Alaska Airlines
8.0
Very good
11,833 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
11,833 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,138 reviews
Alaska Airlines
8.0
Very good
11,833 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,236 reviews
Alaska Airlines
8.0
Very good
11,833 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,216 reviews
Alaska Airlines
8.0
Very good
11,833 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

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

    Airlines like Southwest, United Airlines, and Alaska Airlines fly from Washington, D.C. to Montana in about 7h 25m. The time it takes to get you to your destination can typically vary by up to 4h 54m. The distance between Washington, D.C. and Montana is about 1799 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. to Montana one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $115. Delta flights start at $128 while deals on Southwest start at $144 one-way.

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

    The most popular flight routes from Washington, D.C. to Montana are Washington, D.C. Dulles Intl - Bozeman Gallatin Field, Baltimore/Washington - Bozeman Gallatin Field and Washington, D.C. Reagan-National - Bozeman Gallatin Field.

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

    Looking for the cheapest flight from Washington, D.C. to Montana? While on average our users pay $410, our data indicates the cheapest price to be $154. The most popular route (Washington, D.C. Dulles Intl - Bozeman Gallatin Field), is priced around $279.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Montana (average of $176). Flying from Washington, D.C. to Montana in March is currently the most expensive (average of $323). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Montana

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Miami flights
Reagan-National to Miami flights
Dulles Intl to Orlando flights
Dulles Intl to Fort Lauderdale flights
Reagan-National to Orlando flights
Dulles Intl to Dallas/Fort Worth flights
Dulles Intl to Las Vegas flights
Reagan-National to Fort Lauderdale flights
Reagan-National to Los Angeles flights
Dulles Intl to Los Angeles flights
Reagan-National to Las Vegas flights
Dulles Intl to Seattle flights
Dulles Intl to Tampa flights
Dulles Intl to Sky Harbor Intl flights
Reagan-National to Hobby flights
Reagan-National to Seattle flights
Dulles Intl to Denver flights
Reagan-National to Dallas/Fort Worth flights
Reagan-National to Tampa flights
Dulles Intl to Atlanta flights
Dulles Intl to Hobby flights
Dulles Intl to New Orleans flights
Dulles Intl to O'Hare Intl flights
Reagan-National to Atlanta flights
Reagan-National to O'Hare Intl flights
Reagan-National to San Francisco flights
Reagan-National to Denver flights
Reagan-National to George Bush Intcntl flights
Dulles Intl to San Francisco flights
Dulles Intl to George Bush Intcntl flights
Dulles Intl to Salt Lake City flights
Reagan-National to Sky Harbor Intl flights
Dulles Intl to Austin flights
Reagan-National to New Orleans flights
Reagan-National to Salt Lake City flights
Reagan-National to West Palm Beach flights
Dulles Intl to Boston flights
Dulles Intl to Fort Myers flights
Reagan-National to Boston flights
Dulles Intl to West Palm Beach flights
Reagan-National to Nashville flights
Dulles Intl to Nashville flights
Dulles Intl to Midway flights
Dulles Intl to Honolulu flights
Reagan-National to Austin flights
Reagan-National to Fort Myers flights
Dulles Intl to San Diego flights
Dulles Intl to Charleston flights
Dulles Intl to Ontario flights
Dulles Intl to Jacksonville flights

Top 5 airlines flying from Washington, D.C. to Montana

Discover the top 5 airlines that operate flights from Washington, D.C. 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$150Average$454FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$241Average$460FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$262Average$602FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$492FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$290Average$383FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.