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 61% 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.

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

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

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

On average, it takes 3h 56m 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 5h 52m.

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

As of June 2026, 6 flights take off from Montana and land in District of Columbia each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

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 June 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.

$103 Cheap Flights from Montana to District of Columbia in 2026

Discover deals from 900+ travel sites with momondo.

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.

4:51 pm - 8:20 am

BZN

IAD

13h 29m

1 stop

8:39 pm - 4:06 pm

IAD

BZN

45h 27m

2 stops

$333Multiple Airlines

Thu, Aug 13 - Tue, Aug 18

1:13 pm - 11:35 pm

GTF

IAD

8h 22m

1 stop

7:00 am - 12:33 pm

IAD

GTF

7h 33m

1 stop

$338Delta

Tue, Oct 20 - Sat, Oct 24

4:32 pm - 12:32 am

BZN

IAD

6h 00m

1 stop

8:15 am - 10:42 am

IAD

BZN

4h 27mnonstop

$339United Airlines

Thu, Aug 27 - Sat, Aug 29

7:55 am - 4:02 pm

BZN

IAD

6h 07m

1 stop

7:00 am - 2:13 pm

IAD

BZN

9h 13m

1 stop

$344United Airlines

Wed, Aug 19 - Fri, Aug 28

6:26 am - 5:48 pm

BZN

IAD

9h 22m

1 stop

10:27 am - 8:37 pm

IAD

BZN

12h 10m

2 stops

$354American Airlines

Thu, Aug 27 - Sat, Aug 29

12:55 pm - 11:59 pm

BZN

DCA

9h 04m

2 stops

5:00 am - 11:05 am

DCA

BZN

8h 05m

1 stop

$354American Airlines

Wed, Aug 19 - Wed, Aug 26

8:35 am - 6:55 pm

BZN

DCA

8h 20m

2 stops

6:05 am - 1:35 pm

DCA

BZN

9h 30m

1 stop

$369Southwest

Thu, Aug 27 - Sat, Aug 29

2:00 pm - 11:55 pm

BZN

DCA

7h 55m

2 stops

3:50 pm - 10:25 pm

DCA

BZN

8h 35m

2 stops

$374Southwest

Wed, Aug 19 - Wed, Aug 26

4:16 pm - 5:40 am

MSO

IAD

11h 24m

1 stop

7:00 am - 3:17 pm

IAD

MSO

10h 17m

1 stop

$384Alaska Airlines

Wed, Sep 9 - Wed, Sep 16

7:32 pm - 5:40 am

BIL

IAD

8h 08m

1 stop

7:00 am - 6:52 pm

IAD

BIL

13h 52m

1 stop

$384Alaska Airlines

Tue, Oct 6 - Tue, Oct 13

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Delta flights from Montana to District of Columbia

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

Delta

Oct 20

GTF1:13 pmGreat Falls

8h 22m

1 stop

IAD11:35 pmWashington, D.C. Dulles Intl

Oct 24

IAD7:00 amWashington, D.C. Dulles Intl

7h 33m

1 stop

GTF12:33 pmGreat Falls

$338

Delta

Oct 20

GTF1:13 pmGreat Falls

8h 22m

1 stop

IAD11:35 pmWashington, D.C. Dulles Intl

Oct 24

IAD6:00 amWashington, D.C. Dulles Intl

13h 42m

2 stops

GTF5:42 pmGreat Falls

$344

Delta

Oct 26

MSO12:50 pmMissoula Johnson-Bell Field

8h 56m

1 stop

IAD11:46 pmWashington, D.C. Dulles Intl

Oct 30

IAD7:15 amWashington, D.C. Dulles Intl

7h 21m

1 stop

MSO12:36 pmMissoula Johnson-Bell Field

$349

United Airlines flights from Montana to District of Columbia

Our best United Airlines deals on Montana to District of Columbia flight tickets

United Airlines

Aug 27

BZN4:32 pmBozeman Gallatin Field

6h 00m

1 stop

IAD12:32 amWashington, D.C. Dulles Intl

Aug 29

IAD8:15 amWashington, D.C. Dulles Intl

4h 27m

BZN10:42 amBozeman Gallatin Field

$339

United Airlines

Aug 19

BZN7:55 amBozeman Gallatin Field

6h 07m

1 stop

IAD4:02 pmWashington, D.C. Dulles Intl

Aug 28

IAD7:00 amWashington, D.C. Dulles Intl

9h 13m

1 stop

BZN2:13 pmBozeman Gallatin Field

$344

United Airlines

Oct 7

BIL5:00 amBillings Logan Intl

6h 30m

1 stop

IAD1:30 pmWashington, D.C. Dulles Intl

Oct 10

IAD2:43 pmWashington, D.C. Dulles Intl

8h 27m

1 stop

BIL9:10 pmBillings Logan Intl

$349

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 - IAD

BZNIAD

Bozeman Gallatin Field

Thu 8/13

4:51 pm-8:20 am

1 stop13h 29m

Washington, D.C. Dulles Intl

Tue 8/18

8:39 pm-4:06 pm

2 stops45h 27m

$333

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Tue 10/20

1:13 pm-11:35 pm

1 stop8h 22m

Washington, D.C. Dulles Intl

Sat 10/24

7:00 am-12:33 pm

1 stop7h 33m

$338

Quickest round-trip

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Thu 8/27

4:32 pm-12:32 am

1 stop6h 00m

Washington, D.C. Dulles Intl

Sat 8/29

8:15 am-10:42 am

Nonstop4h 27m

$339

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Wed 8/19

7:55 am-4:02 pm

1 stop6h 07m

Washington, D.C. Dulles Intl

Fri 8/28

7:00 am-2:13 pm

1 stop9h 13m

$344

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Thu 8/27

6:26 am-5:48 pm

1 stop9h 22m

Washington, D.C. Dulles Intl

Sat 8/29

10:27 am-8:37 pm

2 stops12h 10m

$354

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Wed 8/19

12:55 pm-11:59 pm

2 stops9h 04m

Washington, D.C. Reagan-National

Wed 8/26

5:00 am-11:05 am

1 stop8h 05m

$354

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Thu 8/27

8:35 am-6:55 pm

2 stops8h 20m

Washington, D.C. Reagan-National

Sat 8/29

6:05 am-1:35 pm

1 stop9h 30m

$369

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Wed 8/19

2:00 pm-11:55 pm

2 stops7h 55m

Washington, D.C. Reagan-National

Wed 8/26

3:50 pm-10:25 pm

2 stops8h 35m

$374

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Wed 9/9

4:16 pm-5:40 am

1 stop11h 24m

Washington, D.C. Dulles Intl

Wed 9/16

7:00 am-3:17 pm

1 stop10h 17m

$384

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Tue 10/6

7:32 pm-5:40 am

1 stop8h 08m

Washington, D.C. Dulles Intl

Tue 10/13

7:00 am-6:52 pm

1 stop13h 52m

$384

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, October 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 $214. If you don’t want to visit District of Columbia in October, then you should wait until September to fly from Montana, when ticket prices are also cheap, with an average price of $221.

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 $929.

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 morning, with an average ticket price of $844. Departure times in the morning 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 is only 1 cabin class 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 12% 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	3h 56m
Direct flights	Mon and Sun
Airports in District of Columbia	2 airports

The fastest flight from Montana to District of Columbia takes 3h 56m

Direct flights go from Montana to District of Columbia on Monday and Sunday. The only airline offering direct flights is United Airlines.

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

Search flight deals

Frequently asked questions about flying from Montana to District of Columbia

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 June 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 MAX 8 (33.33% of total bookings). The next most popular plane models are Boeing 737-800 (33.33%), Airbus A319 (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
Southwest	PriceFrom $241	Free Cancellation	Rating 7.9 4,247 reviews	Search Southwest flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,901 reviews	Search United Airlines flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.8 8,451 reviews	Search Delta flights
American Airlines	PriceFrom $328	Free Cancellation	Rating 7.1 11,762 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $384	Free Cancellation	Rating 7.9 12,598 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.

An easier way to manage your District of Columbia trip

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Flights to New Yorkfrom $73

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Flights to Las Vegasfrom $56

Flights to Washington, D.C.from $55

Flights to Bostonfrom $61

Flights to Atlantafrom $58

Flights to Fort Lauderdalefrom $59

Flights to Dallasfrom $104

Cheap flights from Montana to District of Columbia from $103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to District of Columbia departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Montana to District of Columbia

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

United Airlines flights from Montana to District of Columbia

Our best United Airlines deals on Montana to District of Columbia flight tickets

momondo Fare Finder

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

See travel insights to District of Columbia from

How to get the cheapest flight ticket from Montana to District of Columbia

What is the cheapest month to fly to District of Columbia?

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

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

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

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

Can stopping save me money on Montana to District of Columbia flights?

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

What airlines fly to District of Columbia?

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

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

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

Direct flights

Airports in District of Columbia

Frequently asked questions about flying from Montana to District of Columbia

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

Why use momondo?

An easier way to manage your District of Columbia 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.

Find better results for your trip to District of Columbia

Popular cities in District of Columbia

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

Montana flight routes

According to popular flight searches on momondo this year

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