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Cheap flights from Montana to District of Columbia from $125

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 5/12. 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

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Find the cheapest flights from Montana to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:49 pm - 11:32 pm
FCA
-
IAD
6h 43m
1 stop
Delta Logo
6:00 am - 1:19 pm
IAD
-
FCA
9h 19m
1 stop
$237Delta
Tue, Apr 14 - Sat, Apr 18
Delta Logo
2:49 pm - 11:32 pm
FCA
-
IAD
6h 43m
1 stop
Delta Logo
6:00 am - 1:19 pm
IAD
-
FCA
9h 19m
1 stop
$249Delta
Tue, Apr 14 - Sat, Apr 18
Alaska Airlines Logo
7:00 am - 5:20 pm
BZN
-
IAD
8h 20m
1 stop
Alaska Airlines Logo
7:05 am - 2:08 pm
IAD
-
BZN
9h 03m
1 stop
$277Alaska Airlines
Tue, Mar 3 - Tue, Mar 10
Alaska Airlines Logo
7:00 am - 5:20 pm
BZN
-
IAD
8h 20m
1 stop
Alaska Airlines Logo
7:05 am - 2:08 pm
IAD
-
BZN
9h 03m
1 stop
$283Alaska Airlines
Tue, Mar 3 - Sat, Mar 14
United Airlines Logo
2:33 pm - 11:34 pm
FCA
-
IAD
7h 01m
1 stop
United Airlines Logo
2:37 pm - 9:57 pm
IAD
-
FCA
9h 20m
1 stop
$292United Airlines
Thu, Apr 30 - Tue, May 5
Multiple Airlines Logo
11:33 am - 9:59 pm
BZN
-
DCA
8h 26m
1 stop
Multiple Airlines Logo
6:00 am - 2:09 pm
DCA
-
BZN
10h 09m
1 stop
$293Multiple Airlines
Fri, Mar 6 - Sun, Mar 8
United Airlines Logo
8:00 am - 6:12 pm
BZN
-
DCA
8h 12m
1 stop
United Airlines Logo
2:53 pm - 8:39 pm
DCA
-
BZN
7h 46m
1 stop
$311United Airlines
Fri, Jul 3 - Sat, Jul 11
American Airlines Logo
1:47 pm - 10:53 pm
BZN
-
IAD
7h 06m
1 stop
American Airlines Logo
6:00 am - 2:46 pm
IAD
-
BZN
10h 46m
1 stop
$324American Airlines
Fri, Mar 6 - Sun, Mar 8
Multiple Airlines Logo
11:33 am - 9:59 pm
BZN
-
DCA
8h 26m
1 stop
Multiple Airlines Logo
6:00 am - 2:09 pm
DCA
-
BZN
10h 09m
1 stop
$328Multiple Airlines
Wed, Feb 25 - Fri, Feb 27
American Airlines Logo
5:27 am - 4:50 pm
BIL
-
IAD
9h 23m
1 stop
American Airlines Logo
11:30 am - 11:35 pm
IAD
-
BIL
14h 05m
2 stops
$339American Airlines
Thu, Feb 26 - Tue, Mar 3

Alaska Airlines flights from Montana to District of Columbia

Our best Alaska Airlines deals on Montana to District of Columbia flight tickets
Alaska Airlines
Mar 3
BZN7:00 amBozeman Gallatin Field
8h 20m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 10
IAD7:05 amWashington, D.C. Dulles Intl
9h 03m
1 stop
BZN2:08 pmBozeman Gallatin Field
$277
Alaska Airlines
Mar 3
BZN7:00 amBozeman Gallatin Field
8h 20m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 14
IAD7:05 amWashington, D.C. Dulles Intl
9h 03m
1 stop
BZN2:08 pmBozeman Gallatin Field
$283
Alaska Airlines
Mar 10
BZN7:00 amBozeman Gallatin Field
8h 20m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 13
IAD6:20 pmWashington, D.C. Dulles Intl
24h 14m
1 stop
BZN4:34 pmBozeman Gallatin Field
$323

United Airlines flights from Montana to District of Columbia

Our best United Airlines deals on Montana to District of Columbia flight tickets
United Airlines
Apr 30
FCA2:33 pmKalispell Glacier Park
7h 01m
1 stop
IAD11:34 pmWashington, D.C. Dulles Intl
May 5
IAD2:37 pmWashington, D.C. Dulles Intl
9h 20m
1 stop
FCA9:57 pmKalispell Glacier Park
$292
United Airlines
Jul 3
BZN8:00 amBozeman Gallatin Field
8h 12m
1 stop
DCA6:12 pmWashington, D.C. Reagan-National
Jul 11
DCA2:53 pmWashington, D.C. Reagan-National
7h 46m
1 stop
BZN8:39 pmBozeman Gallatin Field
$311
United Airlines
May 21
FCA2:29 pmKalispell Glacier Park
8h 08m
1 stop
IAD12:37 amWashington, D.C. Dulles Intl
May 24
IAD6:15 amWashington, D.C. Dulles Intl
7h 26m
1 stop
FCA11:41 amKalispell Glacier Park
$339

momondo Fare Finder

 
Customize your flight search to find flights from Montana to District of Columbia 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 February 9, 2026.
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

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Tue 4/14

2:49 pm-11:32 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Sat 4/18

6:00 am-1:19 pm

1 stop9h 19m

$237

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Tue 4/14

2:49 pm-11:32 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Sat 4/18

6:00 am-1:19 pm

1 stop9h 19m

$249

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Tue 3/3

7:00 am-5:20 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Tue 3/10

7:05 am-2:08 pm

1 stop9h 03m

$277

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Tue 3/3

7:00 am-5:20 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Sat 3/14

7:05 am-2:08 pm

1 stop9h 03m

$283

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 4/30

2:33 pm-11:34 pm

1 stop7h 01m

Washington, D.C. Dulles Intl

Tue 5/5

2:37 pm-9:57 pm

1 stop9h 20m

$292

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Fri 3/6

11:33 am-9:59 pm

1 stop8h 26m

Washington, D.C. Reagan-National

Sun 3/8

6:00 am-2:09 pm

1 stop10h 09m

$293

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Fri 7/3

8:00 am-6:12 pm

1 stop8h 12m

Washington, D.C. Reagan-National

Sat 7/11

2:53 pm-8:39 pm

1 stop7h 46m

$311

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Fri 3/6

1:47 pm-10:53 pm

1 stop7h 06m

Washington, D.C. Dulles Intl

Sun 3/8

6:00 am-2:46 pm

1 stop10h 46m

$324

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Wed 2/25

11:33 am-9:59 pm

1 stop8h 26m

Washington, D.C. Reagan-National

Fri 2/27

6:00 am-2:09 pm

1 stop10h 09m

$328

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Thu 2/26

5:27 am-4:50 pm

1 stop9h 23m

Washington, D.C. Dulles Intl

Tue 3/3

11:30 am-11:35 pm

2 stops14h 05m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

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

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

In general, September 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 $276. If you don’t want to visit District of Columbia in September, 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 $554. 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 $489 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 37% 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

$282

Fastest flight time

5h 07m

Direct flights

Mon and 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 $282. The best round-trip flight deal from Montana to District of Columbia found on momondo in the last 72 hours is $489.
The fastest flight from Montana to District of Columbia takes 5h 07m
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?

  • 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?

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
DeltaPriceFrom $171Free CancellationRating
7.9
8,174 reviews
Search Delta flights
United AirlinesPriceFrom $210Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
SouthwestPriceFrom $220Free CancellationRating
8.0
4,282 reviews
Search Southwest flights
American AirlinesPriceFrom $269Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $385Free CancellationRating
8.0
11,863 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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