What is the cheapest airline that flies from Washington, D.C. to Montana?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Washington, D.C. to Montana

What airlines fly to Montana?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Montana from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 5 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.

How long is the flight from Washington, D.C. to Montana?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Montana, then you can expect flight times to average 5h 07m and 6h 26m, respectively.

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?

The number of operators available for flights from Washington, D.C. to Montana is 5 as of May 2026.

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.

$155 Cheap Flights from Washington, D.C. to Montana in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:59 pm - 11:14 pm

DCA

FCA

7h 15m

1 stop

2:30 pm - 11:28 pm

FCA

DCA

6h 58m

1 stop

$309Delta

Thu, May 28 - Thu, Jun 4

7:13 pm - 11:58 pm

BWI

BZN

6h 45m

1 stop

7:30 pm - 6:00 am

BZN

BWI

8h 30m

1 stop

$309Delta

Tue, Jun 9 - Tue, Jun 16

12:15 pm - 9:55 pm

BWI

BZN

11h 40m

2 stops

4:40 pm - 6:30 am

BZN

BWI

11h 50m

1 stop

$320Southwest

Sat, Aug 1 - Thu, Aug 6

12:15 pm - 9:55 pm

BWI

BZN

11h 40m

2 stops

7:20 am - 11:25 pm

BZN

BWI

14h 05m

2 stops

$325Southwest

Sat, Aug 1 - Fri, Aug 7

8:15 am - 10:45 am

IAD

BZN

4h 30mnonstop

10:25 am - 4:30 pm

BZN

IAD

4h 05mnonstop

$329United Airlines

Sat, Aug 29 - Sat, Sep 5

7:00 am - 2:56 pm

BWI

BZN

9h 56m

1 stop

4:05 pm - 12:43 am

BZN

BWI

6h 38m

1 stop

$333United Airlines

Mon, Aug 24 - Mon, Aug 31

8:31 am - 3:00 pm

DCA

FCA

8h 29m

1 stop

1:35 pm - 11:59 pm

FCA

DCA

8h 24m

1 stop

$334American Airlines

Thu, May 28 - Thu, Jun 4

6:18 am - 3:00 pm

IAD

FCA

10h 42m

1 stop

12:26 pm - 10:46 pm

FCA

IAD

8h 20m

1 stop

$334American Airlines

Thu, May 28 - Thu, Jun 4

6:00 am - 3:32 pm

IAD

BZN

11h 32m

1 stop

11:43 am - 11:59 pm

BZN

IAD

10h 16m

1 stop

$345Alaska Airlines

Sat, May 30 - Tue, Jun 2

5:35 pm - 11:58 pm

IAD

FCA

8h 23m

1 stop

5:40 pm - 7:34 am

FCA

IAD

11h 54m

1 stop

$359Alaska Airlines

Thu, May 28 - Thu, Jun 4

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

Our best United Airlines deals on Washington, D.C. to Montana flight tickets

United Airlines

Aug 29

IAD8:15 amWashington, D.C. Dulles Intl

4h 30m

BZN10:45 amBozeman Gallatin Field

Sep 5

BZN10:25 amBozeman Gallatin Field

4h 05m

IAD4:30 pmWashington, D.C. Dulles Intl

$329

United Airlines

Jun 7

IAD8:15 amWashington, D.C. Dulles Intl

4h 34m

BZN10:49 amBozeman Gallatin Field

Jun 15

BZN4:20 pmBozeman Gallatin Field

6h 25m

1 stop

IAD12:45 amWashington, D.C. Dulles Intl

$339

United Airlines

Aug 18

IAD6:15 amWashington, D.C. Dulles Intl

7h 17m

1 stop

BZN11:32 amBozeman Gallatin Field

Aug 22

BZN12:45 pmBozeman Gallatin Field

7h 51m

1 stop

IAD10:36 pmWashington, D.C. Dulles Intl

$344

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

Our best Alaska Airlines deals on Washington, D.C. to Montana flight tickets

Alaska Airlines

May 30

IAD6:00 amWashington, D.C. Dulles Intl

11h 32m

1 stop

BZN3:32 pmBozeman Gallatin Field

Jun 2

BZN11:43 amBozeman Gallatin Field

10h 16m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

$345

Alaska Airlines

May 28

IAD5:35 pmWashington, D.C. Dulles Intl

8h 23m

1 stop

FCA11:58 pmKalispell Glacier Park

Jun 4

FCA5:40 pmKalispell Glacier Park

11h 54m

1 stop

IAD7:34 amWashington, D.C. Dulles Intl

$359

Alaska Airlines

Oct 24

BWI6:11 pmBaltimore/Washington

8h 08m

1 stop

MSO12:19 amMissoula Johnson-Bell Field

Oct 28

MSO6:36 pmMissoula Johnson-Bell Field

9h 45m

1 stop

BWI6:21 amBaltimore/Washington

$369

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Kalispell

DCA - FCA

DCAFCA

Washington, D.C. Reagan-National

Thu 5/28

5:59 pm-11:14 pm

1 stop7h 15m

Kalispell Glacier Park

Thu 6/4

2:30 pm-11:28 pm

1 stop6h 58m

$309

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Tue 6/9

7:13 pm-11:58 pm

1 stop6h 45m

Bozeman Gallatin Field

Tue 6/16

7:30 pm-6:00 am

1 stop8h 30m

$309

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Sat 8/1

12:15 pm-9:55 pm

2 stops11h 40m

Bozeman Gallatin Field

Thu 8/6

4:40 pm-6:30 am

1 stop11h 50m

$320

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Sat 8/1

12:15 pm-9:55 pm

2 stops11h 40m

Bozeman Gallatin Field

Fri 8/7

7:20 am-11:25 pm

2 stops14h 05m

$325

Quickest round-trip

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Sat 8/29

8:15 am-10:45 am

Nonstop4h 30m

Bozeman Gallatin Field

Sat 9/5

10:25 am-4:30 pm

Nonstop4h 05m

$329

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Mon 8/24

7:00 am-2:56 pm

1 stop9h 56m

Bozeman Gallatin Field

Mon 8/31

4:05 pm-12:43 am

1 stop6h 38m

$333

Washington, D.C.Kalispell

DCA - FCA

DCAFCA

Washington, D.C. Reagan-National

Thu 5/28

8:31 am-3:00 pm

1 stop8h 29m

Kalispell Glacier Park

Thu 6/4

1:35 pm-11:59 pm

1 stop8h 24m

$334

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Thu 5/28

6:18 am-3:00 pm

1 stop10h 42m

Kalispell Glacier Park

Thu 6/4

12:26 pm-10:46 pm

1 stop8h 20m

$334

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Sat 5/30

6:00 am-3:32 pm

1 stop11h 32m

Bozeman Gallatin Field

Tue 6/2

11:43 am-11:59 pm

1 stop10h 16m

$345

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Thu 5/28

5:35 pm-11:58 pm

1 stop8h 23m

Kalispell Glacier Park

Thu 6/4

5:40 pm-7:34 am

1 stop11h 54m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Montana?

The cheapest month to fly to Montana from Washington, D.C. is in June. Flight prices, which tend to average around $131, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Montana, with average flight prices from Washington, D.C. averaging around $145.

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 $527. 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 from Washington, D.C. 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 $465 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 $354 on momondo.

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	$303
Fastest flight time	4h 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 $303. The best round-trip flight deal from Washington, D.C. to Montana found on momondo in the last 72 hours is $591.

The fastest flight from Washington, D.C. to Montana takes 4h 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).

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Frequently asked questions about flying from Washington, D.C. to Montana

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?
The number of operators available for flights from Washington, D.C. to Montana is 5 as of May 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. to Montana is Boeing 737 MAX 8 (87.30% of total bookings). The next most popular plane models are Airbus A319 (6.35%), Boeing 737-700 (3.17%), and Boeing 737-800 (1.59%).

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
Delta	PriceFrom $150	Free Cancellation	Rating 7.9 8,459 reviews	Search Delta flights
Southwest	PriceFrom $241	Free Cancellation	Rating 7.9 4,305 reviews	Search Southwest flights
United Airlines	PriceFrom $262	Free Cancellation	Rating 7.4 9,683 reviews	Search United Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $299	Free Cancellation	Rating 7.9 12,330 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.