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Cheap flights from Great Falls to Washington, D.C. from $226

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Washington, D.C. departing on 4/22. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
4:57 pm - 9:59 pm
GTF
-
DCA
27h 02m
1 stop
Alaska Airlines Logo
5:00 pm - 5:48 pm
DCA
-
GTF
26h 48m
1 stop
$334Alaska Airlines
Tue, Mar 3 - Tue, Mar 10
Alaska Airlines Logo
4:57 pm - 4:06 pm
GTF
-
DCA
21h 09m
1 stop
Alaska Airlines Logo
8:00 am - 4:17 pm
DCA
-
GTF
10h 17m
1 stop
$390Alaska Airlines
Tue, Mar 3 - Tue, Mar 10
Delta Logo
6:20 pm - 9:10 am
GTF
-
DCA
12h 50m
2 stops
Delta Logo
5:12 pm - 10:30 pm
DCA
-
GTF
7h 18m
1 stop
$409Delta
Tue, Mar 3 - Tue, Mar 10
Delta Logo
6:20 pm - 9:10 am
GTF
-
DCA
12h 50m
2 stops
Delta Logo
12:29 pm - 10:30 pm
DCA
-
GTF
12h 01m
2 stops
$414Delta
Tue, Mar 3 - Tue, Mar 10
Alaska Airlines Logo
6:28 pm - 9:59 pm
GTF
-
DCA
25h 31m
1 stop
Alaska Airlines Logo
8:00 am - 5:48 pm
DCA
-
GTF
11h 48m
1 stop
$415Alaska Airlines
Sat, Feb 14 - Wed, Feb 18
Delta Logo
6:15 pm - 9:10 am
GTF
-
DCA
12h 55m
2 stops
Delta Logo
12:55 pm - 10:30 pm
DCA
-
GTF
11h 35m
2 stops
$449Delta
Fri, Feb 6 - Tue, Feb 10
Alaska Airlines Logo
6:28 pm - 9:59 pm
GTF
-
DCA
25h 31m
1 stop
Alaska Airlines Logo
8:00 am - 5:48 pm
DCA
-
GTF
11h 48m
1 stop
$474Alaska Airlines
Sat, Feb 14 - Wed, Feb 18
Delta Logo
1:12 pm - 11:32 pm
GTF
-
DCA
8h 20m
2 stops
Delta Logo
5:10 pm - 10:30 pm
DCA
-
GTF
7h 20m
1 stop
$479Delta
Fri, Feb 6 - Tue, Feb 10
Alaska Airlines Logo
4:57 pm - 9:59 pm
GTF
-
DCA
27h 02m
1 stop
Alaska Airlines Logo
8:00 am - 5:48 pm
DCA
-
GTF
11h 48m
1 stop
$492Alaska Airlines
Thu, Feb 19 - Wed, Feb 25
Alaska Airlines Logo
6:28 pm - 4:06 pm
GTF
-
DCA
19h 38m
1 stop
Alaska Airlines Logo
8:00 am - 5:48 pm
DCA
-
GTF
11h 48m
1 stop
$519Alaska Airlines
Sat, Feb 14 - Wed, Feb 18

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

Our best United Airlines deals on Great Falls to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Feb 14
GTF6:25 amGreat Falls
6h 34m
1 stop
DCA2:59 pmWashington, D.C. Reagan-National
Feb 18
DCA11:00 amWashington, D.C. Reagan-National
28h 43m
3 stops
GTF1:43 pmGreat Falls
$631
United Airlines
Feb 6
GTF6:10 amGreat Falls
6h 49m
1 stop
DCA2:59 pmWashington, D.C. Reagan-National
Feb 10
DCA4:11 pmWashington, D.C. Reagan-National
7h 42m
1 stop
GTF9:53 pmGreat Falls
$668
United Airlines
Mar 3
GTF6:25 amGreat Falls
13h 34m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
Mar 10
DCA12:55 pmWashington, D.C. Reagan-National
10h 16m
2 stops
GTF9:11 pmGreat Falls
$975

Alaska Airlines flights from Great Falls to Washington, D.C. Reagan-National Airport

Our best Alaska Airlines deals on Great Falls to Washington, D.C. Reagan-National Airport flight tickets
Alaska Airlines
Mar 3
GTF4:57 pmGreat Falls
27h 02m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Mar 10
DCA5:00 pmWashington, D.C. Reagan-National
26h 48m
1 stop
GTF5:48 pmGreat Falls
$334
Alaska Airlines
Mar 3
GTF4:57 pmGreat Falls
21h 09m
1 stop
DCA4:06 pmWashington, D.C. Reagan-National
Mar 10
DCA8:00 amWashington, D.C. Reagan-National
10h 17m
1 stop
GTF4:17 pmGreat Falls
$390
Alaska Airlines
Feb 14
GTF6:28 pmGreat Falls
25h 31m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Feb 18
DCA8:00 amWashington, D.C. Reagan-National
11h 48m
1 stop
GTF5:48 pmGreat Falls
$415

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Washington, D.C. Reagan-National Airport 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 January 24, 2026.
Use the filters below to find and compare flights from Great Falls to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 3/3

4:57 pm-9:59 pm

1 stop27h 02m

Washington, D.C. Reagan-National

Tue 3/10

5:00 pm-5:48 pm

1 stop26h 48m

$334

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 3/3

4:57 pm-4:06 pm

1 stop21h 09m

Washington, D.C. Reagan-National

Tue 3/10

8:00 am-4:17 pm

1 stop10h 17m

$390

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 3/3

6:20 pm-9:10 am

2 stops12h 50m

Washington, D.C. Reagan-National

Tue 3/10

5:12 pm-10:30 pm

1 stop7h 18m

$409

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 3/3

6:20 pm-9:10 am

2 stops12h 50m

Washington, D.C. Reagan-National

Tue 3/10

12:29 pm-10:30 pm

2 stops12h 01m

$414

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Sat 2/14

6:28 pm-9:59 pm

1 stop25h 31m

Washington, D.C. Reagan-National

Wed 2/18

8:00 am-5:48 pm

1 stop11h 48m

$415

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Fri 2/6

6:15 pm-9:10 am

2 stops12h 55m

Washington, D.C. Reagan-National

Tue 2/10

12:55 pm-10:30 pm

2 stops11h 35m

$449

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Sat 2/14

6:28 pm-9:59 pm

1 stop25h 31m

Washington, D.C. Reagan-National

Wed 2/18

8:00 am-5:48 pm

1 stop11h 48m

$474

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Fri 2/6

1:12 pm-11:32 pm

2 stops8h 20m

Washington, D.C. Reagan-National

Tue 2/10

5:10 pm-10:30 pm

1 stop7h 20m

$479

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Thu 2/19

4:57 pm-9:59 pm

1 stop27h 02m

Washington, D.C. Reagan-National

Wed 2/25

8:00 am-5:48 pm

1 stop11h 48m

$492

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Sat 2/14

6:28 pm-4:06 pm

1 stop19h 38m

Washington, D.C. Reagan-National

Wed 2/18

8:00 am-5:48 pm

1 stop11h 48m

$519

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 Washington, D.C. from

How to get the cheapest flight ticket from Great Falls 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

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

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Great Falls to Washington, D.C. Reagan-National

When to book flights from Great Falls to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Great Falls to Washington, D.C. Reagan-National Airport (GTF to DCA) flight deals and tips

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

Fastest flight time

6h 34m

Direct flights

None
The fastest flight from Great Falls to Washington, D.C. Reagan-National Airport takes 6h 34m
There are no direct flights from Great Falls to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Great Falls to Washington, D.C. Reagan-National Airport.
Search flight deals

  • How far is Great Falls to Washington, D.C. Reagan-National by plane?

    Washington, D.C. Reagan-National is 1808.4 mi away from Great Falls. 6h 34m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Great Falls Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Great Falls Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to Washington, D.C. Reagan-National Airport.

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

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Great Falls to Washington, D.C. for you.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Great Falls with this policy.

How can momondo help me find flights from Great Falls to Washington, D.C.?

momondo helps you find the best flight between Great Falls and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Great Falls to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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