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Cheap flights from Great Falls to Washington, D.C. from $190

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 5/18. 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

Find the cheapest flights from Great Falls to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:35 pm - 8:37 am
GTF
-
DCA
12h 02m
2 stops
Delta Logo
6:00 am - 12:40 pm
DCA
-
GTF
8h 40m
2 stops
$388Delta
Mon, Jun 8 - Sat, Jun 13
Delta Logo
5:40 am - 4:37 pm
GTF
-
DCA
8h 57m
1 stop
Delta Logo
6:59 am - 5:44 pm
DCA
-
GTF
12h 45m
2 stops
$413Delta
Tue, Jun 16 - Wed, Jun 24
Delta Logo
6:25 pm - 8:37 am
GTF
-
DCA
12h 12m
2 stops
Delta Logo
6:00 am - 5:44 pm
DCA
-
GTF
13h 44m
2 stops
$418Delta
Tue, Jun 16 - Wed, Jun 24
Delta Logo
5:40 am - 6:40 pm
GTF
-
DCA
11h 00m
2 stops
Delta Logo
12:27 pm - 10:26 pm
DCA
-
GTF
11h 59m
2 stops
$424Delta
Tue, May 19 - Sun, May 24
Delta Logo
5:30 am - 7:19 pm
GTF
-
DCA
11h 49m
2 stops
Delta Logo
5:00 pm - 10:44 pm
DCA
-
GTF
7h 44m
1 stop
$441Delta
Tue, Sep 15 - Sat, Sep 26
Delta Logo
5:40 am - 4:37 pm
GTF
-
DCA
8h 57m
1 stop
Delta Logo
6:00 am - 10:40 pm
DCA
-
GTF
18h 40m
2 stops
$457Delta
Tue, Jun 16 - Mon, Jun 22
Delta Logo
5:40 am - 6:30 pm
GTF
-
DCA
10h 50m
2 stops
Delta Logo
6:00 am - 10:40 pm
DCA
-
GTF
18h 40m
2 stops
$462Delta
Tue, Jun 16 - Mon, Jun 22
Delta Logo
5:40 am - 6:59 pm
GTF
-
DCA
11h 19m
2 stops
Delta Logo
6:00 am - 10:40 pm
DCA
-
GTF
18h 40m
2 stops
$468Delta
Thu, Jun 18 - Mon, Jun 22
Delta Logo
5:40 am - 7:00 pm
GTF
-
DCA
11h 20m
2 stops
Delta Logo
6:59 am - 5:44 pm
DCA
-
GTF
12h 45m
2 stops
$479Delta
Sat, Jun 20 - Wed, Jun 24
Delta Logo
5:40 am - 4:37 pm
GTF
-
DCA
8h 57m
1 stop
Delta Logo
7:45 am - 10:40 pm
DCA
-
GTF
16h 55m
2 stops
$482Delta
Tue, Jun 16 - Sat, Jun 20

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

Our best Delta deals on Great Falls to Washington, D.C. Reagan-National Airport flight tickets
Delta
Jun 8
GTF6:35 pmGreat Falls
12h 02m
2 stops
DCA8:37 amWashington, D.C. Reagan-National
Jun 13
DCA6:00 amWashington, D.C. Reagan-National
8h 40m
2 stops
GTF12:40 pmGreat Falls
$388
Delta
Jun 16
GTF5:40 amGreat Falls
8h 57m
1 stop
DCA4:37 pmWashington, D.C. Reagan-National
Jun 24
DCA6:59 amWashington, D.C. Reagan-National
12h 45m
2 stops
GTF5:44 pmGreat Falls
$413
Delta
Jun 16
GTF6:25 pmGreat Falls
12h 12m
2 stops
DCA8:37 amWashington, D.C. Reagan-National
Jun 24
DCA6:00 amWashington, D.C. Reagan-National
13h 44m
2 stops
GTF5:44 pmGreat Falls
$418

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
May 19
GTF6:52 pmGreat Falls
19h 08m
2 stops
DCA4:00 pmWashington, D.C. Reagan-National
May 24
DCA8:00 amWashington, D.C. Reagan-National
12h 12m
1 stop
GTF6:12 pmGreat Falls
$511
Alaska Airlines
May 19
GTF6:52 pmGreat Falls
25h 07m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
May 24
DCA8:00 amWashington, D.C. Reagan-National
12h 12m
1 stop
GTF6:12 pmGreat Falls
$522
Alaska Airlines
May 19
GTF6:52 pmGreat Falls
25h 07m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
May 24
DCA8:00 amWashington, D.C. Reagan-National
12h 12m
1 stop
GTF6:12 pmGreat Falls
$567

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 April 29, 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

Cheapest round-trip

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 6/8

6:35 pm-8:37 am

2 stops12h 02m

Washington, D.C. Reagan-National

Sat 6/13

6:00 am-12:40 pm

2 stops8h 40m

$388

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 6/16

5:40 am-4:37 pm

1 stop8h 57m

Washington, D.C. Reagan-National

Wed 6/24

6:59 am-5:44 pm

2 stops12h 45m

$413

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 6/16

6:25 pm-8:37 am

2 stops12h 12m

Washington, D.C. Reagan-National

Wed 6/24

6:00 am-5:44 pm

2 stops13h 44m

$418

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 5/19

5:40 am-6:40 pm

2 stops11h 00m

Washington, D.C. Reagan-National

Sun 5/24

12:27 pm-10:26 pm

2 stops11h 59m

$424
Quickest round-trip

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 9/15

5:30 am-7:19 pm

2 stops11h 49m

Washington, D.C. Reagan-National

Sat 9/26

5:00 pm-10:44 pm

1 stop7h 44m

$441

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 6/16

5:40 am-4:37 pm

1 stop8h 57m

Washington, D.C. Reagan-National

Mon 6/22

6:00 am-10:40 pm

2 stops18h 40m

$457

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 6/16

5:40 am-6:30 pm

2 stops10h 50m

Washington, D.C. Reagan-National

Mon 6/22

6:00 am-10:40 pm

2 stops18h 40m

$462

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Thu 6/18

5:40 am-6:59 pm

2 stops11h 19m

Washington, D.C. Reagan-National

Mon 6/22

6:00 am-10:40 pm

2 stops18h 40m

$468

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Sat 6/20

5:40 am-7:00 pm

2 stops11h 20m

Washington, D.C. Reagan-National

Wed 6/24

6:59 am-5:44 pm

2 stops12h 45m

$479

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 6/16

5:40 am-4:37 pm

1 stop8h 57m

Washington, D.C. Reagan-National

Sat 6/20

7:45 am-10:40 pm

2 stops16h 55m

$482

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 and United 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

11h 49m

Direct flights

None
The fastest flight from Great Falls to Washington, D.C. Reagan-National Airport takes 11h 49m
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

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

  • 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. 11h 49m 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
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

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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