Cheap flights from Washington, D.C. to Montana from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Montana departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. to Montana

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:10 am - 2:46 pm
BWI
-
BZN
9h 36m
1 stop
Delta Logo
6:00 am - 1:55 pm
BZN
-
BWI
5h 55m
1 stop
$309Delta
Tue, Aug 18 - Sat, Aug 29
United Airlines Logo
6:30 am - 11:29 am
DCA
-
FCA
6h 59m
1 stop
United Airlines Logo
12:35 pm - 10:49 pm
FCA
-
DCA
8h 14m
1 stop
$309United Airlines
Mon, May 25 - Fri, May 29
United Airlines Logo
6:15 am - 11:26 am
IAD
-
FCA
7h 11m
1 stop
United Airlines Logo
4:08 pm - 12:44 am
FCA
-
IAD
6h 36m
1 stop
$309United Airlines
Mon, Aug 31 - Sat, Sep 5
Southwest Logo
4:45 pm - 11:00 pm
BWI
-
BZN
8h 15m
1 stop
Southwest Logo
10:55 am - 9:25 pm
BZN
-
BWI
8h 30m
2 stops
$314Southwest
Fri, May 1 - Fri, May 8
Southwest Logo
2:55 pm - 11:00 pm
BWI
-
BZN
10h 05m
2 stops
Southwest Logo
10:55 am - 9:25 pm
BZN
-
BWI
8h 30m
2 stops
$319Southwest
Fri, May 1 - Fri, May 8
Delta Logo
7:00 am - 2:35 pm
IAD
-
BZN
9h 35m
1 stop
Delta Logo
7:18 am - 11:55 pm
BZN
-
IAD
14h 37m
1 stop
$325Delta
Thu, Apr 16 - Sat, Apr 18
Alaska Airlines Logo
6:22 pm - 12:00 pm
IAD
-
BZN
19h 38m
1 stop
Alaska Airlines Logo
11:20 am - 5:41 pm
BZN
-
IAD
28h 21m
2 stops
$342Alaska Airlines
Tue, Apr 14 - Tue, Apr 21
Alaska Airlines Logo
7:00 am - 7:46 pm
IAD
-
FCA
14h 46m
1 stop
Alaska Airlines Logo
6:35 am - 6:20 pm
FCA
-
IAD
9h 45m
1 stop
$344Alaska Airlines
Tue, Apr 21 - Tue, Apr 28
American Airlines Logo
7:30 am - 3:20 pm
DCA
-
BZN
9h 50m
1 stop
American Airlines Logo
12:02 pm - 11:58 pm
BZN
-
DCA
9h 56m
1 stop
$349American Airlines
Thu, Aug 27 - Tue, Sep 1
American Airlines Logo
2:46 pm - 8:39 pm
IAD
-
BZN
7h 53m
1 stop
American Airlines Logo
6:38 am - 5:54 pm
BZN
-
IAD
9h 16m
1 stop
$349American Airlines
Thu, Aug 27 - Tue, Sep 1

Delta flights from Washington, D.C. to Montana

Our best Delta deals on Washington, D.C. to Montana flight tickets
Delta
Apr 16
IAD7:00 amWashington, D.C. Dulles Intl
9h 35m
1 stop
BZN2:35 pmBozeman Gallatin Field
Apr 18
BZN7:18 amBozeman Gallatin Field
14h 37m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
$325
Delta
Apr 21
DCA7:40 amWashington, D.C. Reagan-National
8h 14m
1 stop
FCA1:54 pmKalispell Glacier Park
Apr 27
FCA2:49 pmKalispell Glacier Park
6h 54m
1 stop
DCA11:43 pmWashington, D.C. Reagan-National
$334
Delta
Apr 15
IAD7:06 amWashington, D.C. Dulles Intl
8h 30m
1 stop
BZN1:36 pmBozeman Gallatin Field
Apr 18
BZN7:18 amBozeman Gallatin Field
14h 37m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
$337

Alaska Airlines flights from Washington, D.C. to Montana

Our best Alaska Airlines deals on Washington, D.C. to Montana flight tickets
Alaska Airlines
Apr 14
IAD6:22 pmWashington, D.C. Dulles Intl
19h 38m
1 stop
BZN12:00 pmBozeman Gallatin Field
Apr 21
BZN11:20 amBozeman Gallatin Field
28h 21m
2 stops
IAD5:41 pmWashington, D.C. Dulles Intl
$342
Alaska Airlines
Apr 21
IAD7:00 amWashington, D.C. Dulles Intl
14h 46m
1 stop
FCA7:46 pmKalispell Glacier Park
Apr 28
FCA6:35 amKalispell Glacier Park
9h 45m
1 stop
IAD6:20 pmWashington, D.C. Dulles Intl
$344
Alaska Airlines
Apr 26
BWI7:04 amBaltimore/Washington
14h 15m
1 stop
BZN7:19 pmBozeman Gallatin Field
Apr 29
BZN11:23 amBozeman Gallatin Field
16h 21m
1 stop
BWI5:44 amBaltimore/Washington
$349

momondo 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, momondo users made 832,500 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Montana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Tue 8/18

7:10 am-2:46 pm

1 stop9h 36m

Bozeman Gallatin Field

Sat 8/29

6:00 am-1:55 pm

1 stop5h 55m

$309

Washington, D.C.Kalispell

DCA - FCA

DCAFCA

Washington, D.C. Reagan-National

Mon 5/25

6:30 am-11:29 am

1 stop6h 59m

Kalispell Glacier Park

Fri 5/29

12:35 pm-10:49 pm

1 stop8h 14m

$309
Quickest round-trip

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Mon 8/31

6:15 am-11:26 am

1 stop7h 11m

Kalispell Glacier Park

Sat 9/5

4:08 pm-12:44 am

1 stop6h 36m

$309

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Fri 5/1

4:45 pm-11:00 pm

1 stop8h 15m

Bozeman Gallatin Field

Fri 5/8

10:55 am-9:25 pm

2 stops8h 30m

$314

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Fri 5/1

2:55 pm-11:00 pm

2 stops10h 05m

Bozeman Gallatin Field

Fri 5/8

10:55 am-9:25 pm

2 stops8h 30m

$319

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-2:35 pm

1 stop9h 35m

Bozeman Gallatin Field

Sat 4/18

7:18 am-11:55 pm

1 stop14h 37m

$325

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Tue 4/14

6:22 pm-12:00 pm

1 stop19h 38m

Bozeman Gallatin Field

Tue 4/21

11:20 am-5:41 pm

2 stops28h 21m

$342

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Tue 4/21

7:00 am-7:46 pm

1 stop14h 46m

Kalispell Glacier Park

Tue 4/28

6:35 am-6:20 pm

1 stop9h 45m

$344

Washington, D.C.Bozeman

DCA - BZN

DCABZN

Washington, D.C. Reagan-National

Thu 8/27

7:30 am-3:20 pm

1 stop9h 50m

Bozeman Gallatin Field

Tue 9/1

12:02 pm-11:58 pm

1 stop9h 56m

$349

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Thu 8/27

2:46 pm-8:39 pm

1 stop7h 53m

Bozeman Gallatin Field

Tue 9/1

6:38 am-5:54 pm

1 stop9h 16m

$349

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Montana from

How to get the cheapest flight ticket from Washington, D.C. to Montana

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Montana?

The cheapest month to fly to Montana from Washington, D.C. is in January. Flight prices, which tend to average around $316, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Montana, with average flight prices from Washington, D.C. averaging around $378.

What is the cheapest day to depart on your flight to Montana?

Our data shows that Sunday is the least expensive day to fly to Montana. Tickets to fly out on this day can be as low as $521. The most expensive day to fly to Montana is Saturday, with ticket prices averaging around $555.

What is the cheapest Washington, D.C. to Montana flight route?

Fly from Washington, D.C. Dulles Intl to Bozeman Gallatin Field for the best Washington, D.C. - Montana flight prices

How far in advance should I book a flight to Montana?

You are more likely to see cheaper flights to Montana from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Montana for around $462 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montana from Washington, D.C. for as low as $370 on momondo.

What cabin class options are available on Washington, D.C. to Montana flights?

There are 4 cabin classes available to choose from on Washington, D.C. to Montana flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to Montana flights?

You could potentially save up to 37% on your flight if you consider stops on a Washington, D.C. to Montana flight.

Cheap Washington, D.C. to Montana flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Montana

Best Price Found

$283

Fastest flight time

3h 30m

Direct flights

Mon and Sun

Airports in Montana

32 airports
The best one-way flight to Montana from Washington, D.C. in the past 72 hours is $283. The best round-trip flight deal from Washington, D.C. to Montana found on momondo in the last 72 hours is $555.
The fastest flight from Washington, D.C. to Montana takes 3h 30m
Direct flights go from Washington, D.C. to Montana on Monday and Sunday. The only airline offering direct flights is United Airlines.
There are 32 airports in Montana. From Washington, D.C. there are direct flights to Bozeman Gallatin Field (BZN).
  • When did momondo last update prices for flights from Washington, D.C. to Montana?

    Prices for flights from Washington, D.C. to Montana were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Montana?

  • How old do you have to be to fly from Washington, D.C. to Montana?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Montana.

  • What documentation or ID do you need to fly to Montana?

    The travel and health documents you'll need for your trip to Montana may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montana. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. to Montana?

Best airlines flying from Washington, D.C. to Montana

Compare and see reviews for airlines that fly from Washington, D.C. to Montana with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $150Free CancellationRating
7.9
8,314 reviews
Search Delta flights
SouthwestPriceFrom $242Free CancellationRating
8.0
4,324 reviews
Search Southwest flights
United AirlinesPriceFrom $262Free CancellationRating
7.4
9,455 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.1
11,489 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $290Free CancellationRating
7.9
12,091 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Montana?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Montana. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Montana with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Montana flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Montana?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Montana.

I’m not ready to book a flight from Washington, D.C. to Montana right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Montana now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Montana and let you know when they change.

An easier way to manage your Montana trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 4/21
Tue 4/28

Find better results for your trip to Montana

Popular cities in Montana

Popular flights according to clicks in the last 7 days on momondo