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

On average, it takes 3h 52m 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 Kalispell and into Washington, D.C. Dulles Intl Airport, then the flight time is around 5h 50m.

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

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

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

As of October 2026, 1 flights take off from Montana and land in District of Columbia each week. The most common flight departure day for this route is Fri, with 100% of weekly flights taking off on this day.

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 60% 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.

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 4 as of October 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.

$167 Cheap Flights from Montana to District of Columbia in 2026/27

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Find the cheapest flights from Montana to District of Columbia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:03 am - 5:10 amBZN Bozeman Gallatin Field-IAD Washington, D.C. Dulles Intl

17h 07m1 stop Las Vegas Harry Reid Intl

10:33 pm - 9:39 amIAD Washington, D.C. Dulles Intl-BZN Bozeman Gallatin Field

37h 06m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$328Multiple Airlines

Tue, Nov 24 - Tue, Dec 1

1:18 pm - 11:35 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

8h 17m1 stop Salt Lake City

6:13 am - 12:38 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

8h 25m1 stop Salt Lake City

$368Delta

Tue, Oct 20 - Sat, Oct 24

6:27 pm - 10:10 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

13h 43m2 stops Salt Lake City Atlanta Hartsfield-Jackson

7:00 am - 12:41 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

7h 41m1 stop Salt Lake City

$374Delta

Mon, Nov 2 - Wed, Nov 18

5:00 am - 2:55 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

7h 55m1 stop Denver Intl

4:09 pm - 10:30 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

8h 21m1 stop Denver Intl

$379United Airlines

Sat, Oct 31 - Sat, Nov 7

5:00 am - 2:55 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

7h 55m1 stop Denver Intl

4:09 pm - 10:30 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

8h 21m1 stop Denver Intl

$379United Airlines

Wed, Oct 28 - Tue, Nov 3

1:21 pm - 11:59 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

8h 38m1 stop Dallas/Fort Worth

7:00 am - 12:51 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

7h 51m1 stop Dallas/Fort Worth

$379American Airlines

Tue, Oct 27 - Sat, Oct 31

1:21 pm - 11:59 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

8h 38m1 stop Dallas/Fort Worth

7:00 am - 12:51 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

7h 51m1 stop Dallas/Fort Worth

$379American Airlines

Tue, Oct 27 - Sat, Oct 31

7:03 am - 9:59 pmMSO Missoula Johnson-Bell Field-DCA Washington, D.C. Reagan-National

12h 56m1 stop Seattle/Tacoma Intl

8:00 am - 3:31 pmDCA Washington, D.C. Reagan-National-MSO Missoula Johnson-Bell Field

9h 31m1 stop Seattle/Tacoma Intl

$399Alaska Airlines

Tue, Oct 27 - Tue, Nov 10

4:21 pm - 5:44 amMSO Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl

11h 23m1 stop Seattle/Tacoma Intl

7:46 am - 3:31 pmIAD Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field

9h 45m1 stop Seattle/Tacoma Intl

$399Alaska Airlines

Tue, Nov 17 - Wed, Nov 18

6:45 am - 4:45 pmBZN Bozeman Gallatin Field-DCA Washington, D.C. Reagan-National

8h 00m1 stop Las Vegas Harry Reid Intl

6:10 am - 2:50 pmDCA Washington, D.C. Reagan-National-BZN Bozeman Gallatin Field

10h 40m2 stops Chicago Midway Denver Intl

$404Southwest

Wed, Dec 2 - Fri, Dec 4

Cheap last minute flights

Enter your travel dates to find the best prices.

5:30 am - 4:49 pmBZN Bozeman Gallatin Field-DCA Washington, D.C. Reagan-National

9h 19m1 stop Salt Lake City

6:00 am - 1:19 pmDCA Washington, D.C. Reagan-National-BZN Bozeman Gallatin Field

9h 19m1 stop Atlanta Hartsfield-Jackson

$529Delta

Thu, Oct 8 - Tue, Oct 13

2:29 pm - 12:42 amBZN Bozeman Gallatin Field-IAD Washington, D.C. Dulles Intl

8h 13m1 stop Atlanta Hartsfield-Jackson

6:59 pm - 11:57 pmIAD Washington, D.C. Dulles Intl-BZN Bozeman Gallatin Field

6h 58m1 stop Minneapolis St Paul

$529Delta

Thu, Oct 8 - Tue, Oct 13

5:30 am - 4:49 pmBZN Bozeman Gallatin Field-DCA Washington, D.C. Reagan-National

9h 19m1 stop Salt Lake City

6:10 am - 12:07 pmDCA Washington, D.C. Reagan-National-BZN Bozeman Gallatin Field

7h 57m2 stops Detroit Metropolitan Wayne County Salt Lake City

$534Delta

Thu, Oct 8 - Tue, Oct 13

12:26 pm - 10:52 pmFCA Kalispell Glacier Park-IAD Washington, D.C. Dulles Intl

8h 26m1 stop Chicago O'Hare Intl

6:35 am - 1:28 pmIAD Washington, D.C. Dulles Intl-FCA Kalispell Glacier Park

8h 53m1 stop Denver Intl

$589United Airlines

Sat, Oct 3 - Mon, Oct 5

12:26 pm - 10:52 pmFCA Kalispell Glacier Park-IAD Washington, D.C. Dulles Intl

8h 26m1 stop Chicago O'Hare Intl

6:10 am - 11:28 amIAD Washington, D.C. Dulles Intl-FCA Kalispell Glacier Park

7h 18m1 stop Chicago O'Hare Intl

$589United Airlines

Sat, Oct 3 - Sun, Oct 4

1:34 pm - 10:00 pmFCA Kalispell Glacier Park-DCA Washington, D.C. Reagan-National

6h 26m1 stop Chicago O'Hare Intl

5:00 am - 12:04 pmDCA Washington, D.C. Reagan-National-FCA Kalispell Glacier Park

9h 04m1 stop Dallas/Fort Worth

$589American Airlines

Sat, Oct 3 - Sun, Oct 4

1:34 pm - 10:00 pmFCA Kalispell Glacier Park-DCA Washington, D.C. Reagan-National

6h 26m1 stop Chicago O'Hare Intl

6:00 am - 1:42 pmDCA Washington, D.C. Reagan-National-FCA Kalispell Glacier Park

9h 42m1 stop Chicago O'Hare Intl

$589American Airlines

Sat, Oct 3 - Mon, Oct 5

8:00 am - 5:44 pmBZN Bozeman Gallatin Field-IAD Washington, D.C. Dulles Intl

7h 44m1 stop Chicago O'Hare Intl

1:10 pm - 7:12 pmIAD Washington, D.C. Dulles Intl-BZN Bozeman Gallatin Field

8h 02m1 stop Chicago O'Hare Intl

$654United Airlines

Thu, Oct 8 - Sat, Oct 10

3:49 pm - 5:40 amMSO Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl

11h 51m1 stop Seattle/Tacoma Intl

7:02 am - 2:50 pmIAD Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field

9h 48m1 stop Seattle/Tacoma Intl

$849Alaska Airlines

Fri, Oct 9 - Mon, Oct 12

2:06 pm - 11:59 pmMSO Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl

7h 53m1 stop Seattle/Tacoma Intl

7:02 am - 2:50 pmIAD Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field

9h 48m1 stop Seattle/Tacoma Intl

$924Alaska Airlines

Fri, Oct 9 - Mon, Oct 12

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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

GTF1:18 pmGreat Falls

8h 17m

1 stop

IAD11:35 pmWashington, D.C. Dulles Intl

Oct 24

IAD6:13 amWashington, D.C. Dulles Intl

8h 25m

1 stop

GTF12:38 pmGreat Falls

$368

Delta

Nov 2

GTF6:27 pmGreat Falls

13h 43m

2 stops

IAD10:10 amWashington, D.C. Dulles Intl

Nov 18

IAD7:00 amWashington, D.C. Dulles Intl

7h 41m

1 stop

GTF12:41 pmGreat Falls

$374

Delta

Nov 2

GTF6:27 pmGreat Falls

13h 43m

2 stops

IAD10:10 amWashington, D.C. Dulles Intl

Nov 18

IAD12:35 pmWashington, D.C. Dulles Intl

11h 55m

2 stops

GTF10:30 pmGreat Falls

$379

United Airlines flights from Montana to District of Columbia

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

United Airlines

Oct 27

BIL2:42 pmBillings Logan Intl

6h 33m

1 stop

IAD11:15 pmWashington, D.C. Dulles Intl

Nov 9

IAD6:10 amWashington, D.C. Dulles Intl

9h 19m

1 stop

BIL1:29 pmBillings Logan Intl

$379

United Airlines

Nov 3

BZN12:48 pmBozeman Gallatin Field

6h 20m

1 stop

IAD9:08 pmWashington, D.C. Dulles Intl

Nov 9

IAD4:10 pmWashington, D.C. Dulles Intl

7h 20m

1 stop

BZN9:30 pmBozeman Gallatin Field

$394

United Airlines

Oct 28

BIL10:30 amBillings Logan Intl

7h 00m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

Nov 4

IAD4:10 pmWashington, D.C. Dulles Intl

8h 20m

1 stop

BIL10:30 pmBillings Logan Intl

$395

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 Bozeman Gallatin Field - IAD Washington, D.C. Dulles Intl

BZNIAD

Bozeman Gallatin Field

Tue 11/24

10:03 am-5:10 am

1 stop17h 07m

Washington, D.C. Dulles Intl

Tue 12/1

10:33 pm-9:39 am

2 stops37h 06m

$328

Great FallsWashington, D.C.

GTF Great Falls - IAD Washington, D.C. Dulles Intl

GTFIAD

Great Falls

Tue 10/20

1:18 pm-11:35 pm

1 stop8h 17m

Washington, D.C. Dulles Intl

Sat 10/24

6:13 am-12:38 pm

1 stop8h 25m

$368

Great FallsWashington, D.C.

GTF Great Falls - IAD Washington, D.C. Dulles Intl

GTFIAD

Great Falls

Mon 11/2

6:27 pm-10:10 am

2 stops13h 43m

Washington, D.C. Dulles Intl

Wed 11/18

7:00 am-12:41 pm

1 stop7h 41m

$374

Quickest round-trip

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Sat 10/31

5:00 am-2:55 pm

1 stop7h 55m

Washington, D.C. Reagan-National

Sat 11/7

4:09 pm-10:30 pm

1 stop8h 21m

$379

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Wed 10/28

5:00 am-2:55 pm

1 stop7h 55m

Washington, D.C. Reagan-National

Tue 11/3

4:09 pm-10:30 pm

1 stop8h 21m

$379

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Tue 10/27

1:21 pm-11:59 pm

1 stop8h 38m

Washington, D.C. Reagan-National

Sat 10/31

7:00 am-12:51 pm

1 stop7h 51m

$379

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Tue 10/27

1:21 pm-11:59 pm

1 stop8h 38m

Washington, D.C. Reagan-National

Sat 10/31

7:00 am-12:51 pm

1 stop7h 51m

$379

MissoulaWashington, D.C.

MSO Missoula Johnson-Bell Field - DCA Washington, D.C. Reagan-National

MSODCA

Missoula Johnson-Bell Field

Tue 10/27

7:03 am-9:59 pm

1 stop12h 56m

Washington, D.C. Reagan-National

Tue 11/10

8:00 am-3:31 pm

1 stop9h 31m

$399

MissoulaWashington, D.C.

MSO Missoula Johnson-Bell Field - IAD Washington, D.C. Dulles Intl

MSOIAD

Missoula Johnson-Bell Field

Tue 11/17

4:21 pm-5:44 am

1 stop11h 23m

Washington, D.C. Dulles Intl

Wed 11/18

7:46 am-3:31 pm

1 stop9h 45m

$399

BozemanWashington, D.C.

BZN Bozeman Gallatin Field - DCA Washington, D.C. Reagan-National

BZNDCA

Bozeman Gallatin Field

Wed 12/2

6:45 am-4:45 pm

1 stop8h 00m

Washington, D.C. Reagan-National

Fri 12/4

6:10 am-2:50 pm

2 stops10h 40m

$404

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, December 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 $423. If you don’t want to visit District of Columbia in December, then you should wait until February to fly from Montana, when ticket prices are also cheap, with an average price of $450.

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 Saturday when prices can be found for as low as $618. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday 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 $1,380.

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 $784. 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 70% 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

Best Price Found	$167
Fastest flight time	3h 52m
Direct flights	Sun
Airports in District of Columbia	2 airports

The best one-way flight to District of Columbia from Montana in the past 72 hours is $167. The best round-trip flight deal from Montana to District of Columbia found on momondo in the last 72 hours is $328.

The fastest flight from Montana to District of Columbia takes 3h 52m

Direct flights go from Montana to District of Columbia on 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

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 4 as of October 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 (45.45% of total bookings). The next most popular plane models are Boeing 737-800 (27.27%), Airbus A319 (18.18%), and Airbus A320-100/200 (9.09%).

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
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 10,280 reviews	Search United Airlines flights
Delta	PriceFrom $249	Free Cancellation	Rating 7.8 8,630 reviews	Search Delta flights
Southwest	PriceFrom $308	Free Cancellation	Rating 7.9 4,215 reviews	Search Southwest flights
American Airlines	PriceFrom $328	Free Cancellation	Rating 7.0 12,127 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $384	Free Cancellation	Rating 7.9 13,008 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.