What is the cheapest airline that flies from Montana to District of Columbia?

Southwest, Delta, and United Airlines are the most popular carriers operating from Montana to District of Columbia

What airlines fly to District of Columbia?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to District of Columbia from Montana according to our data. United Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 5 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

How many flights depart from Montana to District of Columbia on average per week?

As of March 2026, 2 flights take off from Montana and land in District of Columbia each week. The most common flight departure day for this route is Sat, with 50% of weekly flights taking off on this day.

How long is the flight from Montana to District of Columbia?

On average, it takes 3h 05m to fly from Montana to District of Columbia if you fly out of Bozeman (the most popular airport in Montana) and into Washington, D.C. Dulles Intl Airport (the most popular airport in District of Columbia). If you’re flying out of Missoula and into Washington, D.C. Dulles Intl Airport, then the flight time is around 6h 08m.

When did momondo last update prices for flights from Montana to District of Columbia?

Prices for flights from Montana to District of Columbia are refreshed on a daily basis.

How many operators does momondo search for flights from Montana to District of Columbia?

The number of operators available for flights from Montana to District of Columbia is 5 as of March 2026.

How old do you have to be to fly from Montana to District of Columbia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The travel and health documents you'll need for your trip to District of Columbia 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 District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$115 Cheap Flights from Montana to District of Columbia in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Montana to District of Columbia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 am - 6:40 pm

BZN

DCA

8h 30m

2 stops

4:50 pm - 12:15 am

DCA

BZN

9h 25m

2 stops

$240Southwest

Tue, May 5 - Tue, May 12

8:40 am - 8:50 pm

BZN

DCA

10h 10m

1 stop

4:40 pm - 12:15 am

DCA

BZN

9h 35m

1 stop

$252Southwest

Sat, May 2 - Tue, May 5

2:30 pm - 11:39 pm

FCA

IAD

7h 09m

1 stop

6:00 am - 1:33 pm

IAD

FCA

9h 33m

1 stop

$309Delta

Fri, May 22 - Mon, May 25

2:30 pm - 11:28 pm

FCA

DCA

6h 58m

1 stop

6:59 pm - 11:38 pm

DCA

FCA

6h 39m

1 stop

$309Delta

Thu, Jun 4 - Mon, Jun 8

1:25 pm - 12:13 am

FCA

IAD

8h 48m

2 stops

6:20 am - 4:03 pm

IAD

FCA

11h 43m

2 stops

$319American Airlines

Fri, May 22 - Mon, May 25

10:20 am - 4:28 pm

BZN

IAD

4h 08mnonstop

5:38 pm - 10:38 pm

IAD

BZN

7h 00m

1 stop

$339United Airlines

Sat, May 23 - Sat, May 30

1:51 pm - 10:56 pm

BIL

DCA

7h 05m

1 stop

3:46 pm - 10:43 pm

DCA

BIL

8h 57m

1 stop

$349American Airlines

Sat, Apr 25 - Tue, Apr 28

11:23 am - 12:09 am

BZN

IAD

10h 46m

1 stop

7:10 am - 2:55 pm

IAD

BZN

9h 45m

1 stop

$349Alaska Airlines

Mon, Apr 27 - Thu, Apr 30

2:06 pm - 12:09 am

BIL

IAD

8h 03m

1 stop

6:00 am - 1:21 pm

IAD

BIL

9h 21m

1 stop

$349Alaska Airlines

Mon, May 11 - Sun, May 24

12:45 pm - 10:43 pm

BZN

IAD

7h 58m

1 stop

8:15 am - 10:49 am

IAD

BZN

4h 34mnonstop

$358United Airlines

Sun, May 24 - Sun, Jun 7

Delta flights from Montana to District of Columbia

Our best Delta deals on Montana to District of Columbia flight tickets

Delta

May 22

FCA2:30 pmKalispell Glacier Park

7h 09m

1 stop

IAD11:39 pmWashington, D.C. Dulles Intl

May 25

IAD6:00 amWashington, D.C. Dulles Intl

9h 33m

1 stop

FCA1:33 pmKalispell Glacier Park

$309

Delta

Apr 27

FCA6:10 pmKalispell Glacier Park

13h 05m

2 stops

IAD9:15 amWashington, D.C. Dulles Intl

Apr 29

IAD6:00 amWashington, D.C. Dulles Intl

9h 54m

1 stop

FCA1:54 pmKalispell Glacier Park

$314

Delta

Jun 4

FCA2:30 pmKalispell Glacier Park

7h 09m

1 stop

IAD11:39 pmWashington, D.C. Dulles Intl

Jun 8

IAD6:55 pmWashington, D.C. Dulles Intl

6h 43m

1 stop

FCA11:38 pmKalispell Glacier Park

$334

Southwest flights from Montana to District of Columbia

Our best Southwest deals on Montana to District of Columbia flight tickets

Southwest

May 5

BZN8:10 amBozeman Gallatin Field

8h 30m

2 stops

DCA6:40 pmWashington, D.C. Reagan-National

May 12

DCA4:50 pmWashington, D.C. Reagan-National

9h 25m

2 stops

BZN12:15 amBozeman Gallatin Field

$240

Southwest

May 2

BZN8:40 amBozeman Gallatin Field

10h 10m

1 stop

DCA8:50 pmWashington, D.C. Reagan-National

May 5

DCA4:40 pmWashington, D.C. Reagan-National

9h 35m

1 stop

BZN12:15 amBozeman Gallatin Field

$252

Southwest

May 2

BZN8:40 amBozeman Gallatin Field

10h 10m

1 stop

DCA8:50 pmWashington, D.C. Reagan-National

May 5

DCA4:50 pmWashington, D.C. Reagan-National

9h 25m

2 stops

BZN12:15 amBozeman Gallatin Field

$257

momondo Fare Finder

Use the filters below to find and compare flights from Montana to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Tue 5/5

8:10 am-6:40 pm

2 stops8h 30m

Washington, D.C. Reagan-National

Tue 5/12

4:50 pm-12:15 am

2 stops9h 25m

$240

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Sat 5/2

8:40 am-8:50 pm

1 stop10h 10m

Washington, D.C. Reagan-National

Tue 5/5

4:40 pm-12:15 am

1 stop9h 35m

$252

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Fri 5/22

2:30 pm-11:39 pm

1 stop7h 09m

Washington, D.C. Dulles Intl

Mon 5/25

6:00 am-1:33 pm

1 stop9h 33m

$309

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 6/4

2:30 pm-11:28 pm

1 stop6h 58m

Washington, D.C. Reagan-National

Mon 6/8

6:59 pm-11:38 pm

1 stop6h 39m

$309

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Fri 5/22

1:25 pm-12:13 am

2 stops8h 48m

Washington, D.C. Dulles Intl

Mon 5/25

6:20 am-4:03 pm

2 stops11h 43m

$319

Quickest round-trip

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Sat 5/23

10:20 am-4:28 pm

Nonstop4h 08m

Washington, D.C. Dulles Intl

Sat 5/30

5:38 pm-10:38 pm

1 stop7h 00m

$339

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Sat 4/25

1:51 pm-10:56 pm

1 stop7h 05m

Washington, D.C. Reagan-National

Tue 4/28

3:46 pm-10:43 pm

1 stop8h 57m

$349

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Mon 4/27

11:23 am-12:09 am

1 stop10h 46m

Washington, D.C. Dulles Intl

Thu 4/30

7:10 am-2:55 pm

1 stop9h 45m

$349

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Mon 5/11

2:06 pm-12:09 am

1 stop8h 03m

Washington, D.C. Dulles Intl

Sun 5/24

6:00 am-1:21 pm

1 stop9h 21m

$349

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Sun 5/24

12:45 pm-10:43 pm

1 stop7h 58m

Washington, D.C. Dulles Intl

Sun 6/7

8:15 am-10:49 am

Nonstop4h 34m

$358

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 Montana to District of Columbia

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 District of Columbia?

In general, June is the cheapest month to fly from Montana to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $266. If you don’t want to visit District of Columbia in June, then you should wait until January to fly from Montana, when ticket prices are also cheap, with an average price of $288.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $672. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Montana because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $945.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Montana at noon is the least expensive time of day to depart. momondo users have found prices as low as $649 when looking at flights departing at noon. Flights to District of Columbia are more costly in the afternoon, with an average ticket price of $1,127. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Montana to District of Columbia flight route?

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

What cabin class options are available on Montana to District of Columbia flights?

There are 3 cabin classes available to choose from on Montana to District of Columbia 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 Montana to District of Columbia flights?

You could potentially save up to 53% on your flight if you consider stops on a Montana to District of Columbia flight.

Cheap Montana to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to District of Columbia

Fastest flight time	4h 08m
Direct flights	Mon and Sun
Airports in District of Columbia	2 airports

The fastest flight from Montana to District of Columbia takes 4h 08m

Direct flights go from Montana to District of Columbia on Monday and Sunday. There are no airlines offering direct flights.

There are 2 airports in District of Columbia. From Montana there are direct flights to Washington, D.C. Dulles Intl (IAD).

Search flight deals

When did momondo last update prices for flights from Montana to District of Columbia?
Prices for flights from Montana to District of Columbia are refreshed on a daily basis.
How many operators does momondo search for flights from Montana to District of Columbia?
The number of operators available for flights from Montana to District of Columbia is 5 as of March 2026.
How old do you have to be to fly from Montana to District of Columbia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The travel and health documents you'll need for your trip to District of Columbia 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 District of Columbia. 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 Montana to District of Columbia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Montana to District of Columbia is Boeing 737-800 (33.33% of total bookings). The next most popular plane models are Airbus A319 (22.22%), Boeing 737 MAX 8 (11.11%), and Airbus A318/A319/A320/A321 (11.11%).

Best airlines flying from Montana to District of Columbia

Compare and see reviews for airlines that fly from Montana to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $158	Free Cancellation	Rating 7.9 8,358 reviews	Search Delta flights
Southwest	PriceFrom $241	Free Cancellation	Rating 8.0 4,329 reviews	Search Southwest flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,514 reviews	Search United Airlines flights
American Airlines	PriceFrom $269	Free Cancellation	Rating 7.1 11,531 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $385	Free Cancellation	Rating 7.9 12,139 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montana to District of Columbia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to District of Columbia from Montana.

Can I find flights from Montana to District of Columbia with flexible booking policies on momondo?

momondo does allow users to show only those flights to District of Columbia from Montana which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montana to District of Columbia?

Once all potential Montana to District of Columbia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Montana to District of Columbia right now. Can momondo alert me if prices change?

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