Cheap flights from Montana to District of Columbia from $155

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 6/17. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:45 pm - 10:00 pm
BZN
-
DCA
6h 15m
1 stop
Delta Logo
1:55 pm - 11:44 pm
DCA
-
BZN
11h 49m
2 stops
$246Delta
Wed, Jun 3 - Sat, Jun 6
Delta Logo
6:00 am - 9:45 pm
BZN
-
DCA
13h 45m
2 stops
Delta Logo
2:45 pm - 12:23 am
DCA
-
BZN
11h 38m
2 stops
$251Delta
Tue, Jun 2 - Tue, Jun 9
Delta Logo
1:00 pm - 11:39 pm
BZN
-
IAD
8h 39m
1 stop
Delta Logo
7:25 am - 2:46 pm
IAD
-
BZN
9h 21m
1 stop
$300Delta
Tue, Aug 25 - Mon, Aug 31
Multiple Airlines Logo
1:40 pm - 8:20 am
BZN
-
IAD
16h 40m
2 stops
Multiple Airlines Logo
3:16 pm - 4:19 pm
IAD
-
BZN
27h 03m
1 stop
$308Multiple Airlines
Wed, Jul 8 - Sun, Jul 12
United Airlines Logo
8:30 am - 5:13 pm
FCA
-
IAD
6h 43m
1 stop
United Airlines Logo
2:25 pm - 9:30 pm
IAD
-
FCA
9h 05m
1 stop
$309United Airlines
Thu, Oct 22 - Tue, Oct 27
United Airlines Logo
8:30 am - 5:13 pm
FCA
-
IAD
6h 43m
1 stop
United Airlines Logo
2:25 pm - 9:30 pm
IAD
-
FCA
9h 05m
1 stop
$333United Airlines
Thu, Oct 22 - Tue, Oct 27
Alaska Airlines Logo
5:19 pm - 5:40 am
GTF
-
IAD
10h 21m
1 stop
Alaska Airlines Logo
9:00 am - 4:39 pm
IAD
-
GTF
9h 39m
1 stop
$338Alaska Airlines
Wed, Sep 16 - Sat, Sep 19
Alaska Airlines Logo
5:19 pm - 5:40 am
GTF
-
IAD
10h 21m
1 stop
Alaska Airlines Logo
9:00 am - 4:39 pm
IAD
-
GTF
9h 39m
1 stop
$348Alaska Airlines
Wed, Sep 16 - Sat, Sep 19
American Airlines Logo
1:25 pm - 12:13 am
FCA
-
IAD
8h 48m
2 stops
American Airlines Logo
6:19 am - 2:59 pm
IAD
-
FCA
10h 40m
1 stop
$376American Airlines
Mon, Jun 1 - Tue, Jun 9
American Airlines Logo
1:25 pm - 12:13 am
FCA
-
IAD
8h 48m
2 stops
American Airlines Logo
6:20 am - 4:02 pm
IAD
-
FCA
11h 42m
2 stops
$381American Airlines
Mon, Jun 1 - Tue, Jun 9

Delta flights from Montana to District of Columbia

Our best Delta deals on Montana to District of Columbia flight tickets
Delta
May 20
BZN2:19 pmBozeman Gallatin Field
8h 32m
1 stop
IAD12:51 amWashington, D.C. Dulles Intl
May 29
IAD7:00 amWashington, D.C. Dulles Intl
10h 17m
1 stop
BZN3:17 pmBozeman Gallatin Field
$241
Delta
Jun 3
BZN1:45 pmBozeman Gallatin Field
6h 15m
1 stop
DCA10:00 pmWashington, D.C. Reagan-National
Jun 6
DCA1:55 pmWashington, D.C. Reagan-National
11h 49m
2 stops
BZN11:44 pmBozeman Gallatin Field
$246
Delta
Jun 2
BZN6:00 amBozeman Gallatin Field
13h 45m
2 stops
DCA9:45 pmWashington, D.C. Reagan-National
Jun 9
DCA2:45 pmWashington, D.C. Reagan-National
11h 38m
2 stops
BZN12:23 amBozeman Gallatin Field
$251

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 22
FCA8:30 amKalispell Glacier Park
6h 43m
1 stop
IAD5:13 pmWashington, D.C. Dulles Intl
Oct 27
IAD2:25 pmWashington, D.C. Dulles Intl
9h 05m
1 stop
FCA9:30 pmKalispell Glacier Park
$309
United Airlines
Oct 22
FCA8:30 amKalispell Glacier Park
6h 43m
1 stop
IAD5:13 pmWashington, D.C. Dulles Intl
Oct 27
IAD2:25 pmWashington, D.C. Dulles Intl
9h 05m
1 stop
FCA9:30 pmKalispell Glacier Park
$333
United Airlines
Sep 3
MSO2:40 pmMissoula Johnson-Bell Field
7h 52m
1 stop
IAD12:32 amWashington, D.C. Dulles Intl
Sep 7
IAD6:30 amWashington, D.C. Dulles Intl
9h 08m
1 stop
MSO1:38 pmMissoula Johnson-Bell Field
$349

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 May 14, 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

Cheapest round-trip

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Wed 6/3

1:45 pm-10:00 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Sat 6/6

1:55 pm-11:44 pm

2 stops11h 49m

$246

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Tue 6/2

6:00 am-9:45 pm

2 stops13h 45m

Washington, D.C. Reagan-National

Tue 6/9

2:45 pm-12:23 am

2 stops11h 38m

$251

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Tue 8/25

1:00 pm-11:39 pm

1 stop8h 39m

Washington, D.C. Dulles Intl

Mon 8/31

7:25 am-2:46 pm

1 stop9h 21m

$300

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Wed 7/8

1:40 pm-8:20 am

2 stops16h 40m

Washington, D.C. Dulles Intl

Sun 7/12

3:16 pm-4:19 pm

1 stop27h 03m

$308
Quickest round-trip

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 10/22

8:30 am-5:13 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Tue 10/27

2:25 pm-9:30 pm

1 stop9h 05m

$309

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 10/22

8:30 am-5:13 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Tue 10/27

2:25 pm-9:30 pm

1 stop9h 05m

$333

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Wed 9/16

5:19 pm-5:40 am

1 stop10h 21m

Washington, D.C. Dulles Intl

Sat 9/19

9:00 am-4:39 pm

1 stop9h 39m

$338

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Wed 9/16

5:19 pm-5:40 am

1 stop10h 21m

Washington, D.C. Dulles Intl

Sat 9/19

9:00 am-4:39 pm

1 stop9h 39m

$348

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Mon 6/1

1:25 pm-12:13 am

2 stops8h 48m

Washington, D.C. Dulles Intl

Tue 6/9

6:19 am-2:59 pm

1 stop10h 40m

$376

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Mon 6/1

1:25 pm-12:13 am

2 stops8h 48m

Washington, D.C. Dulles Intl

Tue 6/9

6:20 am-4:02 pm

2 stops11h 42m

$381

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, 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 $171. If you don’t want to visit District of Columbia in June, then you should wait until October to fly from Montana, when ticket prices are also cheap, with an average price of $214.

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 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

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

You could potentially save up to 26% 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).

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?

  • 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
SouthwestPriceFrom $241Free CancellationRating
8.0
4,299 reviews
Search Southwest flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,711 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.1
11,664 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $384Free CancellationRating
7.9
12,361 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.

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1 adult
Sat 6/13
Sat 6/20

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