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Cheap flights from Great Falls to Washington, D.C. from $320

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 5/25. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 2:59 pm
GTF
-
DCA
6h 44m
1 stop
United Airlines Logo
4:11 pm - 9:17 pm
DCA
-
GTF
7h 06m
1 stop
$662United Airlines
Thu, Mar 26 - Mon, Mar 30
Delta Logo
6:20 pm - 10:26 am
GTF
-
DCA
14h 06m
2 stops
Delta Logo
5:00 pm - 10:44 pm
DCA
-
GTF
7h 44m
1 stop
$778Delta
Mon, Jun 8 - Sat, Jun 13
United Airlines Logo
2:37 pm - 9:59 am
GTF
-
DCA
17h 22m
2 stops
United Airlines Logo
4:13 pm - 9:34 pm
DCA
-
GTF
7h 21m
1 stop
$783United Airlines
Mon, Jun 8 - Sat, Jun 13
United Airlines Logo
2:37 pm - 9:59 am
GTF
-
DCA
17h 22m
2 stops
United Airlines Logo
6:30 am - 9:34 pm
DCA
-
GTF
17h 04m
2 stops
$792United Airlines
Mon, Jun 8 - Sat, Jun 13
Delta Logo
6:20 pm - 10:26 am
GTF
-
DCA
14h 06m
2 stops
Delta Logo
3:05 pm - 10:44 pm
DCA
-
GTF
9h 39m
2 stops
$803Delta
Mon, Jun 8 - Sat, Jun 13
Delta Logo
6:20 pm - 10:26 am
GTF
-
DCA
14h 06m
2 stops
Delta Logo
3:05 pm - 10:44 pm
DCA
-
GTF
9h 39m
2 stops
$824Delta
Mon, Jun 8 - Sat, Jun 13
Alaska Airlines Logo
6:52 pm - 4:19 pm
GTF
-
DCA
19h 27m
1 stop
Alaska Airlines Logo
5:00 pm - 4:23 pm
DCA
-
GTF
25h 23m
1 stop
$834Alaska Airlines
Mon, Jun 8 - Sat, Jun 13
United Airlines Logo
6:15 am - 2:59 pm
GTF
-
DCA
6h 44m
1 stop
United Airlines Logo
10:05 am - 9:17 pm
DCA
-
GTF
13h 12m
2 stops
$843United Airlines
Thu, Mar 26 - Mon, Mar 30
Alaska Airlines Logo
6:52 pm - 4:19 pm
GTF
-
DCA
19h 27m
1 stop
Alaska Airlines Logo
5:00 pm - 4:23 pm
DCA
-
GTF
25h 23m
1 stop
$874Alaska Airlines
Mon, Jun 8 - Sat, Jun 13
United Airlines Logo
2:37 pm - 8:10 pm
GTF
-
DCA
27h 33m
3 stops
United Airlines Logo
6:30 am - 9:34 pm
DCA
-
GTF
17h 04m
2 stops
$891United Airlines
Mon, Jun 8 - Sat, Jun 13

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
GTF6:20 pmGreat Falls
14h 06m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
Jun 13
DCA5:00 pmWashington, D.C. Reagan-National
7h 44m
1 stop
GTF10:44 pmGreat Falls
$778
Delta
Jun 8
GTF6:20 pmGreat Falls
14h 06m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
Jun 13
DCA3:05 pmWashington, D.C. Reagan-National
9h 39m
2 stops
GTF10:44 pmGreat Falls
$803
Delta
Jun 8
GTF6:20 pmGreat Falls
14h 06m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
Jun 13
DCA3:05 pmWashington, D.C. Reagan-National
9h 39m
2 stops
GTF10:44 pmGreat Falls
$824

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
Jun 8
GTF6:52 pmGreat Falls
19h 27m
1 stop
DCA4:19 pmWashington, D.C. Reagan-National
Jun 13
DCA5:00 pmWashington, D.C. Reagan-National
25h 23m
1 stop
GTF4:23 pmGreat Falls
$834
Alaska Airlines
Jun 8
GTF6:52 pmGreat Falls
19h 27m
1 stop
DCA4:19 pmWashington, D.C. Reagan-National
Jun 13
DCA5:00 pmWashington, D.C. Reagan-National
25h 23m
1 stop
GTF4:23 pmGreat Falls
$874
Alaska Airlines
Jun 8
GTF6:52 pmGreat Falls
19h 27m
1 stop
DCA4:19 pmWashington, D.C. Reagan-National
Jun 13
DCA5:00 pmWashington, D.C. Reagan-National
25h 23m
1 stop
GTF4:23 pmGreat Falls
$894

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 March 12, 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
Quickest round-trip

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Thu 3/26

6:15 am-2:59 pm

1 stop6h 44m

Washington, D.C. Reagan-National

Mon 3/30

4:11 pm-9:17 pm

1 stop7h 06m

$662

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 6/8

6:20 pm-10:26 am

2 stops14h 06m

Washington, D.C. Reagan-National

Sat 6/13

5:00 pm-10:44 pm

1 stop7h 44m

$778

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 6/8

2:37 pm-9:59 am

2 stops17h 22m

Washington, D.C. Reagan-National

Sat 6/13

4:13 pm-9:34 pm

1 stop7h 21m

$783

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 6/8

2:37 pm-9:59 am

2 stops17h 22m

Washington, D.C. Reagan-National

Sat 6/13

6:30 am-9:34 pm

2 stops17h 04m

$792

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 6/8

6:20 pm-10:26 am

2 stops14h 06m

Washington, D.C. Reagan-National

Sat 6/13

3:05 pm-10:44 pm

2 stops9h 39m

$803

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 6/8

6:20 pm-10:26 am

2 stops14h 06m

Washington, D.C. Reagan-National

Sat 6/13

3:05 pm-10:44 pm

2 stops9h 39m

$824

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 6/8

6:52 pm-4:19 pm

1 stop19h 27m

Washington, D.C. Reagan-National

Sat 6/13

5:00 pm-4:23 pm

1 stop25h 23m

$834

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Thu 3/26

6:15 am-2:59 pm

1 stop6h 44m

Washington, D.C. Reagan-National

Mon 3/30

10:05 am-9:17 pm

2 stops13h 12m

$843

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 6/8

6:52 pm-4:19 pm

1 stop19h 27m

Washington, D.C. Reagan-National

Sat 6/13

5:00 pm-4:23 pm

1 stop25h 23m

$874

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 6/8

2:37 pm-8:10 pm

3 stops27h 33m

Washington, D.C. Reagan-National

Sat 6/13

6:30 am-9:34 pm

2 stops17h 04m

$891

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 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

  • 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
Gettysburg
Arlington
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Linthicum Heights
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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