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Cheap flights from Great Falls to Washington, D.C. from $302

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 10/14. 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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Find the cheapest flights from Great Falls to Washington, D.C. (GTF-DCA)

Cheap round-trip flights

Delta Logo
6:11 pm - 9:09 amGTF-DCA
12h 58m2 stops
Delta Logo
6:00 am - 12:25 pmDCA-GTF
8h 25m2 stops
$449Delta
Find Deal
Mon, Sep 29 - Wed, Oct 1
Delta Logo
6:11 pm - 9:09 amGTF-DCA
12h 58m2 stops
Delta Logo
5:21 pm - 10:28 pmDCA-GTF
7h 07m1 stop
$472Delta
Find Deal
Mon, Sep 29 - Wed, Oct 1
Delta Logo
7:00 am - 6:46 pmGTF-DCA
9h 46m2 stops
Delta Logo
7:40 am - 5:42 pmDCA-GTF
12h 02m2 stops
$477Delta
Find Deal
Thu, Nov 27 - Thu, Dec 4
Delta Logo
6:00 am - 1:55 pmGTF-DCA
5h 55m1 stop
Delta Logo
5:20 pm - 10:45 pmDCA-GTF
7h 25m1 stop
$514Delta
Find Deal
Thu, Sep 4 - Mon, Sep 8
United Airlines Logo
2:35 pm - 3:06 pmGTF-DCA
22h 31m1 stop
United Airlines Logo
4:24 pm - 1:37 pmDCA-GTF
23h 13m1 stop
$532United Airlines
Find Deal
Fri, Sep 19 - Mon, Sep 22
United Airlines Logo
2:35 pm - 3:06 pmGTF-DCA
22h 31m1 stop
United Airlines Logo
8:00 pm - 1:37 pmDCA-GTF
19h 37m2 stops
$549United Airlines
Find Deal
Fri, Sep 19 - Mon, Sep 22
Alaska Airlines Logo
7:35 pm - 9:59 pmGTF-DCA
24h 24m1 stop
Alaska Airlines Logo
8:00 am - 6:55 pmDCA-GTF
12h 55m1 stop
$558Alaska Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
2:35 pm - 5:01 pmGTF-DCA
24h 26m2 stops
United Airlines Logo
7:00 pm - 1:37 pmDCA-GTF
20h 37m2 stops
$571United Airlines
Find Deal
Fri, Sep 19 - Mon, Sep 22
Alaska Airlines Logo
4:29 pm - 9:44 pmGTF-DCA
27h 15m1 stop
Alaska Airlines Logo
8:00 am - 3:49 pmDCA-GTF
9h 49m1 stop
$582Alaska Airlines
Find Deal
Mon, Sep 29 - Wed, Oct 1
Alaska Airlines Logo
6:15 pm - 9:59 pmGTF-DCA
25h 44m1 stop
Alaska Airlines Logo
8:00 am - 5:35 pmDCA-GTF
11h 35m1 stop
$718Alaska Airlines
Find Deal
Mon, Oct 20 - Thu, Oct 23

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
Dec 10
GTF7:35 pmGreat Falls
24h 24m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Dec 13
DCA8:00 amWashington, D.C. Reagan-National
12h 55m
1 stop
GTF6:55 pmGreat Falls
$558
Find similar
Alaska Airlines
Sep 29
GTF4:29 pmGreat Falls
27h 15m
1 stop
DCA9:44 pmWashington, D.C. Reagan-National
Oct 1
DCA8:00 amWashington, D.C. Reagan-National
9h 49m
1 stop
GTF3:49 pmGreat Falls
$582
Find similar
Alaska Airlines
Oct 20
GTF6:15 pmGreat Falls
25h 44m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Oct 23
DCA8:00 amWashington, D.C. Reagan-National
11h 35m
1 stop
GTF5:35 pmGreat Falls
$718
Find similar

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
Sep 29
GTF6:11 pmGreat Falls
12h 58m
2 stops
DCA9:09 amWashington, D.C. Reagan-National
Oct 1
DCA6:00 amWashington, D.C. Reagan-National
8h 25m
2 stops
GTF12:25 pmGreat Falls
$449
Find similar
Delta
Sep 29
GTF6:11 pmGreat Falls
12h 58m
2 stops
DCA9:09 amWashington, D.C. Reagan-National
Oct 1
DCA5:21 pmWashington, D.C. Reagan-National
7h 07m
1 stop
GTF10:28 pmGreat Falls
$472
Find similar
Delta
Nov 27
GTF7:00 amGreat Falls
9h 46m
2 stops
DCA6:46 pmWashington, D.C. Reagan-National
Dec 4
DCA7:40 amWashington, D.C. Reagan-National
12h 02m
2 stops
GTF5:42 pmGreat Falls
$477
Find similar

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 August 21, 2025.
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

Mon 9/29

6:11 pm-9:09 am

2 stops12h 58m

Washington, D.C. Reagan-National

Wed 10/1

6:00 am-12:25 pm

2 stops8h 25m

$449

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 9/29

6:11 pm-9:09 am

2 stops12h 58m

Washington, D.C. Reagan-National

Wed 10/1

5:21 pm-10:28 pm

1 stop7h 07m

$472

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Thu 11/27

7:00 am-6:46 pm

2 stops9h 46m

Washington, D.C. Reagan-National

Thu 12/4

7:40 am-5:42 pm

2 stops12h 02m

$477

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Thu 9/4

6:00 am-1:55 pm

1 stop5h 55m

Washington, D.C. Reagan-National

Mon 9/8

5:20 pm-10:45 pm

1 stop7h 25m

$514

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Fri 9/19

2:35 pm-3:06 pm

1 stop22h 31m

Washington, D.C. Reagan-National

Mon 9/22

4:24 pm-1:37 pm

1 stop23h 13m

$532

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Fri 9/19

2:35 pm-3:06 pm

1 stop22h 31m

Washington, D.C. Reagan-National

Mon 9/22

8:00 pm-1:37 pm

2 stops19h 37m

$549

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Wed 12/10

7:35 pm-9:59 pm

1 stop24h 24m

Washington, D.C. Reagan-National

Sat 12/13

8:00 am-6:55 pm

1 stop12h 55m

$558

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Fri 9/19

2:35 pm-5:01 pm

2 stops24h 26m

Washington, D.C. Reagan-National

Mon 9/22

7:00 pm-1:37 pm

2 stops20h 37m

$571

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 9/29

4:29 pm-9:44 pm

1 stop27h 15m

Washington, D.C. Reagan-National

Wed 10/1

8:00 am-3:49 pm

1 stop9h 49m

$582

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 10/20

6:15 pm-9:59 pm

1 stop25h 44m

Washington, D.C. Reagan-National

Thu 10/23

8:00 am-5:35 pm

1 stop11h 35m

$718

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Great Falls to Washington, D.C. Reagan-National Airport is on a Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $633. Flights from Great Falls to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $1,181. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Direct flights

None
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.
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  • 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. 5h 55m 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
Gettysburg
Arlington
National Harbor
Woodbridge
Waldorf
Tysons
Silver Spring
Laurel
Colonial Beach
Fredericksburg
Manassas
Towson
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie
Springfield
Linthicum Heights

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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