Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Great Falls to Washington, D.C. from $234

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 7/31. 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
1 adult, Economy, 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
5:30 am - 7:19 pm
GTF
-
DCA
11h 49m
2 stops
Delta Logo
6:00 am - 5:43 pm
DCA
-
GTF
13h 43m
2 stops
$349Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
6:20 pm - 10:24 am
GTF
-
DCA
14h 04m
2 stops
Delta Logo
5:00 pm - 10:53 pm
DCA
-
GTF
7h 53m
1 stop
$394Delta
Fri, Oct 9 - Mon, Oct 12
Delta Logo
6:20 pm - 9:12 am
GTF
-
DCA
12h 52m
2 stops
Delta Logo
5:00 pm - 10:53 pm
DCA
-
GTF
7h 53m
1 stop
$437Delta
Wed, Nov 25 - Wed, Dec 2
Delta Logo
6:20 pm - 10:24 am
GTF
-
DCA
14h 04m
2 stops
Delta Logo
10:00 am - 10:53 pm
DCA
-
GTF
14h 53m
2 stops
$439Delta
Fri, Oct 9 - Mon, Oct 12
Delta Logo
5:30 am - 4:17 pm
GTF
-
DCA
8h 47m
1 stop
Delta Logo
6:00 am - 5:43 pm
DCA
-
GTF
13h 43m
2 stops
$469Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
5:40 am - 6:38 pm
GTF
-
DCA
10h 58m
2 stops
Delta Logo
7:00 am - 5:42 pm
DCA
-
GTF
12h 42m
2 stops
$474Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
5:30 am - 4:17 pm
GTF
-
DCA
8h 47m
1 stop
Delta Logo
6:00 am - 5:43 pm
DCA
-
GTF
13h 43m
2 stops
$499Delta
Tue, Oct 20 - Sat, Oct 24
Alaska Airlines Logo
5:15 pm - 9:59 pm
GTF
-
DCA
26h 44m
1 stop
Alaska Airlines Logo
8:00 am - 4:35 pm
DCA
-
GTF
10h 35m
1 stop
$520Alaska Airlines
Tue, Oct 20 - Sat, Oct 24
Delta Logo
6:18 pm - 10:09 am
GTF
-
DCA
13h 51m
2 stops
Delta Logo
6:02 am - 5:38 pm
DCA
-
GTF
13h 36m
2 stops
$529Delta
Wed, Aug 12 - Tue, Aug 18
Alaska Airlines Logo
5:15 pm - 9:59 pm
GTF
-
DCA
26h 44m
1 stop
Alaska Airlines Logo
8:00 am - 4:35 pm
DCA
-
GTF
10h 35m
1 stop
$530Alaska Airlines
Tue, Oct 20 - Sat, Oct 24

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
Jun 30
GTF6:15 amGreat Falls
6h 44m
1 stop
DCA2:59 pmWashington, D.C. Reagan-National
Jul 7
DCA6:30 amWashington, D.C. Reagan-National
7h 15m
1 stop
GTF11:45 amGreat Falls
$533
United Airlines
Oct 27
GTF2:39 pmGreat Falls
16h 36m
2 stops
DCA9:15 amWashington, D.C. Reagan-National
Oct 31
DCA4:07 pmWashington, D.C. Reagan-National
7h 40m
1 stop
GTF9:47 pmGreat Falls
$542
United Airlines
Aug 26
GTF2:25 pmGreat Falls
18h 36m
2 stops
DCA11:01 amWashington, D.C. Reagan-National
Aug 29
DCA4:20 pmWashington, D.C. Reagan-National
6h 52m
1 stop
GTF9:12 pmGreat Falls
$565

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
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
Oct 9
GTF6:20 pmGreat Falls
14h 04m
2 stops
DCA10:24 amWashington, D.C. Reagan-National
Oct 12
DCA5:00 pmWashington, D.C. Reagan-National
7h 53m
1 stop
GTF10:53 pmGreat Falls
$394
Delta
Nov 25
GTF6:20 pmGreat Falls
12h 52m
2 stops
DCA9:12 amWashington, D.C. Reagan-National
Dec 2
DCA5:00 pmWashington, D.C. Reagan-National
7h 53m
1 stop
GTF10:53 pmGreat Falls
$437

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 June 28, 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

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

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Fri 10/9

6:20 pm-10:24 am

2 stops14h 04m

Washington, D.C. Reagan-National

Mon 10/12

5:00 pm-10:53 pm

1 stop7h 53m

$394
Quickest round-trip

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Wed 11/25

6:20 pm-9:12 am

2 stops12h 52m

Washington, D.C. Reagan-National

Wed 12/2

5:00 pm-10:53 pm

1 stop7h 53m

$437

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Fri 10/9

6:20 pm-10:24 am

2 stops14h 04m

Washington, D.C. Reagan-National

Mon 10/12

10:00 am-10:53 pm

2 stops14h 53m

$439

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 10/20

5:30 am-4:17 pm

1 stop8h 47m

Washington, D.C. Reagan-National

Sat 10/24

6:00 am-5:43 pm

2 stops13h 43m

$469

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 10/20

5:40 am-6:38 pm

2 stops10h 58m

Washington, D.C. Reagan-National

Sat 10/24

7:00 am-5:42 pm

2 stops12h 42m

$474

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 10/20

5:30 am-4:17 pm

1 stop8h 47m

Washington, D.C. Reagan-National

Sat 10/24

6:00 am-5:43 pm

2 stops13h 43m

$499

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 10/20

5:15 pm-9:59 pm

1 stop26h 44m

Washington, D.C. Reagan-National

Sat 10/24

8:00 am-4:35 pm

1 stop10h 35m

$520

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Wed 8/12

6:18 pm-10:09 am

2 stops13h 51m

Washington, D.C. Reagan-National

Tue 8/18

6:02 am-5:38 pm

2 stops13h 36m

$529

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 10/20

5:15 pm-9:59 pm

1 stop26h 44m

Washington, D.C. Reagan-National

Sat 10/24

8:00 am-4:35 pm

1 stop10h 35m

$530

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

United Airlines, Delta, 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 44m

Direct flights

None
The fastest flight from Great Falls to Washington, D.C. Reagan-National Airport takes 6h 44m
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. 6h 44m 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
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 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.

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

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