How long does it take to fly to Washington, D.C. Reagan-National Airport?

Flight times from Montana to Washington, D.C. Reagan-National Airport vary, but if you’re flying out of Bozeman and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 4h 08m on average. Another popular route from Montana to Washington, D.C. Reagan-National Airport is flying from Missoula to Washington, D.C. Dulles Intl Airport, which will take roughly 5h 52m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Washington, D.C. Reagan-National Airport?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Montana according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Montana to Washington, D.C. Reagan-National?

Delta, JetBlue, and Southwest are the most popular carriers operating from Montana to Washington, D.C. Reagan-National

How many operators does momondo search for flights from Montana to Washington, D.C. Reagan-National Airport?

As of June 2026, there are 3 operators available to choose from for flights from Montana to Washington, D.C. Reagan-National Airport.

How old do you have to be to fly from Montana to Washington, D.C. Reagan-National Airport?

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 Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$172 Cheap Flights from Montana to Washington, D.C. Reagan-National Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montana to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 am - 7:19 pm

GTF

DCA

11h 49m

2 stops

6:00 am - 5:43 pm

DCA

GTF

13h 43m

2 stops

$349Delta

Tue, Oct 20 - Sat, Oct 24

12:02 pm - 11:59 pm

BZN

DCA

9h 57m

1 stop

6:25 am - 12:02 pm

DCA

BZN

7h 37m

1 stop

$349American Airlines

Thu, Sep 17 - Thu, Oct 1

12:45 pm - 11:59 pm

MSO

DCA

9h 14m

1 stop

5:00 am - 12:36 pm

DCA

MSO

9h 36m

1 stop

$349American Airlines

Fri, Oct 2 - Tue, Oct 6

5:20 am - 4:57 pm

BIL

DCA

9h 37m

2 stops

6:59 pm - 11:30 pm

DCA

BIL

6h 31m

1 stop

$354Delta

Sat, Aug 15 - Tue, Aug 25

6:55 am - 5:00 pm

BZN

DCA

8h 05m

1 stop

4:35 pm - 10:25 pm

DCA

BZN

7h 50m

2 stops

$383Southwest

Tue, Aug 25 - Thu, Aug 27

8:30 am - 7:10 pm

BZN

DCA

8h 40m

2 stops

4:35 pm - 10:25 pm

DCA

BZN

7h 50m

2 stops

$388Southwest

Tue, Aug 25 - Thu, Aug 27

8:00 am - 5:12 pm

BZN

DCA

7h 12m

1 stop

2:00 pm - 6:42 pm

DCA

BZN

6h 42m

1 stop

$420United Airlines

Wed, Aug 5 - Wed, Aug 12

8:00 am - 5:12 pm

BZN

DCA

7h 12m

1 stop

6:10 pm - 10:43 pm

DCA

BZN

6h 33m

1 stop

$422United Airlines

Wed, Jul 22 - Sun, Jul 26

6:30 am - 4:16 pm

FCA

DCA

7h 46m

1 stop

5:00 pm - 11:59 pm

DCA

FCA

8h 59m

1 stop

$430Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

4:15 pm - 8:00 pm

FCA

DCA

25h 45m

2 stops

5:04 pm - 11:59 pm

DCA

FCA

8h 55m

1 stop

$468Alaska Airlines

Fri, Dec 4 - Tue, Dec 8

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

United Airlines flights from Montana to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Montana to Washington, D.C. Reagan-National Airport flight tickets

United Airlines

Aug 5

BZN8:00 amBozeman Gallatin Field

7h 12m

1 stop

DCA5:12 pmWashington, D.C. Reagan-National

Aug 12

DCA2:00 pmWashington, D.C. Reagan-National

6h 42m

1 stop

BZN6:42 pmBozeman Gallatin Field

$420

United Airlines

Jul 22

BZN8:00 amBozeman Gallatin Field

7h 12m

1 stop

DCA5:12 pmWashington, D.C. Reagan-National

Jul 26

DCA6:10 pmWashington, D.C. Reagan-National

6h 33m

1 stop

BZN10:43 pmBozeman Gallatin Field

$422

United Airlines

Aug 13

FCA12:33 pmKalispell Glacier Park

6h 36m

1 stop

DCA9:09 pmWashington, D.C. Reagan-National

Aug 16

DCA6:30 amWashington, D.C. Reagan-National

6h 57m

1 stop

FCA11:27 amKalispell Glacier Park

$434

Delta flights from Montana to Washington, D.C. Reagan-National Airport

Our best Delta deals on Montana to Washington, D.C. Reagan-National Airport flight tickets

Delta

Oct 20

GTF5:30 amGreat Falls

11h 49m

2 stops

DCA7:19 pmWashington, D.C. Reagan-National

Oct 24

DCA6:00 amWashington, D.C. Reagan-National

13h 43m

2 stops

GTF5:43 pmGreat Falls

$349

Delta

Sep 22

MSO6:00 amMissoula Johnson-Bell Field

12h 38m

2 stops

DCA8:38 pmWashington, D.C. Reagan-National

Sep 28

DCA7:45 amWashington, D.C. Reagan-National

8h 57m

1 stop

MSO2:42 pmMissoula Johnson-Bell Field

$354

Delta

Sep 22

MSO6:00 amMissoula Johnson-Bell Field

12h 38m

2 stops

DCA8:38 pmWashington, D.C. Reagan-National

Sep 28

DCA2:45 pmWashington, D.C. Reagan-National

11h 33m

2 stops

MSO12:18 amMissoula Johnson-Bell Field

$359

momondo Fare Finder

Use the filters below to find and compare flights from Montana to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 10/20

5:30 am-7:19 pm

2 stops11h 49m

Washington, D.C. Reagan-National

Sat 10/24

6:00 am-5:43 pm

2 stops13h 43m

$349

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Thu 9/17

12:02 pm-11:59 pm

1 stop9h 57m

Washington, D.C. Reagan-National

Thu 10/1

6:25 am-12:02 pm

1 stop7h 37m

$349

MissoulaWashington, D.C.

MSO - DCA

MSODCA

Missoula Johnson-Bell Field

Fri 10/2

12:45 pm-11:59 pm

1 stop9h 14m

Washington, D.C. Reagan-National

Tue 10/6

5:00 am-12:36 pm

1 stop9h 36m

$349

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Sat 8/15

5:20 am-4:57 pm

2 stops9h 37m

Washington, D.C. Reagan-National

Tue 8/25

6:59 pm-11:30 pm

1 stop6h 31m

$354

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Tue 8/25

6:55 am-5:00 pm

1 stop8h 05m

Washington, D.C. Reagan-National

Thu 8/27

4:35 pm-10:25 pm

2 stops7h 50m

$383

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Tue 8/25

8:30 am-7:10 pm

2 stops8h 40m

Washington, D.C. Reagan-National

Thu 8/27

4:35 pm-10:25 pm

2 stops7h 50m

$388

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Wed 8/5

8:00 am-5:12 pm

1 stop7h 12m

Washington, D.C. Reagan-National

Wed 8/12

2:00 pm-6:42 pm

1 stop6h 42m

$420

Quickest round-trip

BozemanWashington, D.C.

BZN - DCA

BZNDCA

Bozeman Gallatin Field

Wed 7/22

8:00 am-5:12 pm

1 stop7h 12m

Washington, D.C. Reagan-National

Sun 7/26

6:10 pm-10:43 pm

1 stop6h 33m

$422

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Sat 11/14

6:30 am-4:16 pm

1 stop7h 46m

Washington, D.C. Reagan-National

Tue 11/17

5:00 pm-11:59 pm

1 stop8h 59m

$430

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Fri 12/4

4:15 pm-8:00 pm

2 stops25h 45m

Washington, D.C. Reagan-National

Tue 12/8

5:04 pm-11:59 pm

1 stop8h 55m

$468

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 Washington, D.C. Reagan-National Airport

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 Washington, D.C. Reagan-National Airport?

The month of October is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Montana, with most prices found around $214. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $248.

Can stopping save me money on Montana to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 10% on your flight if you consider stops on a Montana to Washington, D.C. Reagan-National Airport flight.

Cheap Montana to Washington, D.C. Reagan-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Washington, D.C. Reagan-National Airport

Fastest flight time	5h 22m
Direct flights	None

The fastest flight from Montana to Washington, D.C. Reagan-National Airport takes 5h 22m

There are no direct flights from Montana to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Montana to Washington, D.C. Reagan-National Airport.

Search flight deals

Frequently asked questions about flying from Montana to Washington, D.C. Reagan-National Airport

When did momondo last update prices for flights from Montana to Washington, D.C. Reagan-National Airport?
Prices for flights from Montana to Washington, D.C. Reagan-National Airport refresh daily.
How many operators does momondo search for flights from Montana to Washington, D.C. Reagan-National Airport?
As of June 2026, there are 3 operators available to choose from for flights from Montana to Washington, D.C. Reagan-National Airport.
How old do you have to be to fly from Montana to Washington, D.C. Reagan-National Airport?
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 Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Montana to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Montana to Washington, D.C. Reagan-National Airport with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $279	Free Cancellation	Rating 7.8 8,455 reviews	Search Delta flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.1 11,776 reviews	Search American Airlines flights
United Airlines	PriceFrom $288	Free Cancellation	Rating 7.4 9,899 reviews	Search United Airlines flights

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Colonial Beach

Linthicum Heights

Rockville

Silver Spring

Towson

Manassas

Tysons

Springfield

Fairfax

Bethesda

Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Washington, D.C.?

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 Washington, D.C. from Montana.

Can I find flights from Montana to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. 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 Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montana to Washington, D.C..

I’m not ready to book a flight from Montana to Washington, D.C. right now. Can momondo alert me if prices change?

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

An easier way to manage your Washington, D.C. Reagan-National Airport 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 7/28

Tue 8/4

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.

Popular cities

Other flights from Montana

Other flights to Washington, D.C.

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United States

Flights to Newark Airportfrom $105

Flights to New York John F Kennedy Intl Airportfrom $126

Flights to New York LaGuardia Airportfrom $120

Flights to Dallas/Fort Worth Airportfrom $104

Flights to Washington, D.C. Dulles Intl Airportfrom $55

Flights to Chicago O'Hare Intl Airportfrom $86

Flights to Orlando Airportfrom $77

Flights to Chicago Midway Airport

Flights to Dallas Love Field Airport

Cheap flights from Montana to Washington, D.C. from $172

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 Washington, D.C. departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Montana to Washington, D.C.

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Montana to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Montana to Washington, D.C. Reagan-National Airport flight tickets

Delta flights from Montana to Washington, D.C. Reagan-National Airport

Our best Delta deals on Montana to Washington, D.C. Reagan-National Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Montana to Washington, D.C. Reagan-National Airport that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Montana to Washington, D.C. Reagan-National Airport

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

Can stopping save me money on Montana to Washington, D.C. Reagan-National Airport flights?

What is the cheapest airline that flies from Montana to Washington, D.C. Reagan-National?

What airlines fly to Washington, D.C. Reagan-National Airport?

How long does it take to fly to Washington, D.C. Reagan-National Airport?

Cheap Montana to Washington, D.C. Reagan-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Washington, D.C. Reagan-National Airport

Fastest flight time

Direct flights

Frequently asked questions about flying from Montana to Washington, D.C. Reagan-National Airport

Best airlines flying from Montana to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Montana to Washington, D.C. Reagan-National Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. Reagan-National Airport 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 Washington, D.C.

Popular cities in the United States

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

Montana flight routes

According to popular flight searches on momondo this year

Washington, D.C. Reagan-National Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year