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Cheap flights from Great Falls to Washington, D.C. from $197

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 9/12. 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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0 bags

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Find the cheapest flights from Great Falls to Washington, D.C. (GTF-WAS)

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
lun., sep. 29 - mié., oct. 1
Alaska Airlines Logo
7:35 pm - 4:36 pmGTF-IAD
19h 01m1 stop
Alaska Airlines Logo
7:35 am - 6:55 pmIAD-GTF
13h 20m1 stop
$508Alaska Airlines
Find Deal
mié., dic. 10 - sáb., dic. 13
Delta Logo
1:10 pm - 11:49 pmGTF-IAD
8h 39m1 stop
Delta Logo
7:15 am - 12:32 pmIAD-GTF
7h 17m1 stop
$518Delta
Find Deal
vie., dic. 12 - jue., ene. 8
Delta Logo
1:10 pm - 11:49 pmGTF-IAD
8h 39m1 stop
Delta Logo
12:35 pm - 10:53 pmIAD-GTF
12h 18m2 stops
$528Delta
Find Deal
vie., dic. 12 - jue., ene. 8
Alaska Airlines Logo
7:35 pm - 4:08 pmGTF-DCA
18h 33m1 stop
Alaska Airlines Logo
5:00 pm - 6:55 pmDCA-GTF
27h 55m1 stop
$539Alaska Airlines
Find Deal
mié., dic. 10 - sáb., dic. 13
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
$551United Airlines
Find Deal
vie., sep. 19 - lun., 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
$554Alaska Airlines
Find Deal
mié., dic. 10 - sáb., dic. 13
United Airlines Logo
2:35 pm - 3:06 pmGTF-DCA
22h 31m1 stop
United Airlines Logo
7:00 pm - 1:37 pmDCA-GTF
20h 37m2 stops
$568United Airlines
Find Deal
vie., sep. 19 - lun., sep. 22
United Airlines Logo
2:35 pm - 10:58 amGTF-DCA
18h 23m2 stops
United Airlines Logo
7:00 pm - 1:37 pmDCA-GTF
20h 37m2 stops
$593United Airlines
Find Deal
vie., sep. 19 - lun., sep. 22
United Airlines Logo
2:31 pm - 10:58 amGTF-DCA
18h 27m2 stops
United Airlines Logo
6:25 am - 9:11 pmDCA-GTF
16h 46m2 stops
$638United Airlines
Find Deal
dom., sep. 28 - mié., oct. 1

Delta flights from Great Falls to Washington, D.C.

Our best Delta deals on Great Falls to Washington, D.C. 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
Dec 12
GTF1:10 pmGreat Falls
8h 39m
1 stop
IAD11:49 pmWashington, D.C. Dulles Intl
Jan 8
IAD7:15 amWashington, D.C. Dulles Intl
7h 17m
1 stop
GTF12:32 pmGreat Falls
$518
Find similar
Delta
Dec 12
GTF1:10 pmGreat Falls
8h 39m
1 stop
IAD11:49 pmWashington, D.C. Dulles Intl
Jan 8
IAD12:35 pmWashington, D.C. Dulles Intl
12h 18m
2 stops
GTF10:53 pmGreat Falls
$528
Find similar

United Airlines flights from Great Falls to Washington, D.C.

Our best United Airlines deals on Great Falls to Washington, D.C. flight tickets
United Airlines
Sep 19
GTF2:35 pmGreat Falls
22h 31m
1 stop
DCA3:06 pmWashington, D.C. Reagan-National
Sep 22
DCA4:24 pmWashington, D.C. Reagan-National
23h 13m
1 stop
GTF1:37 pmGreat Falls
$551
Find similar
United Airlines
Sep 19
GTF2:35 pmGreat Falls
22h 31m
1 stop
DCA3:06 pmWashington, D.C. Reagan-National
Sep 22
DCA7:00 pmWashington, D.C. Reagan-National
20h 37m
2 stops
GTF1:37 pmGreat Falls
$568
Find similar
United Airlines
Sep 19
GTF2:35 pmGreat Falls
18h 23m
2 stops
DCA10:58 amWashington, D.C. Reagan-National
Sep 22
DCA7:00 pmWashington, D.C. Reagan-National
20h 37m
2 stops
GTF1:37 pmGreat Falls
$593
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Washington, D.C. 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 agosto 25, 2025.
Use the filters below to find and compare flights from Great Falls to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

lun. 9/29

6:11 pm-9:09 am

2 stops12h 58m

Washington, D.C. Reagan-National

mié. 10/1

6:00 am-12:25 pm

2 stops8h 25m

$449

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

mié. 12/10

7:35 pm-4:36 pm

1 stop19h 01m

Washington, D.C. Dulles Intl

sáb. 12/13

7:35 am-6:55 pm

1 stop13h 20m

$508

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

vie. 12/12

1:10 pm-11:49 pm

1 stop8h 39m

Washington, D.C. Dulles Intl

jue. 1/8

7:15 am-12:32 pm

1 stop7h 17m

$518

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

vie. 12/12

1:10 pm-11:49 pm

1 stop8h 39m

Washington, D.C. Dulles Intl

jue. 1/8

12:35 pm-10:53 pm

2 stops12h 18m

$528

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

mié. 12/10

7:35 pm-4:08 pm

1 stop18h 33m

Washington, D.C. Reagan-National

sáb. 12/13

5:00 pm-6:55 pm

1 stop27h 55m

$539

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

vie. 9/19

2:35 pm-3:06 pm

1 stop22h 31m

Washington, D.C. Reagan-National

lun. 9/22

4:24 pm-1:37 pm

1 stop23h 13m

$551

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

mié. 12/10

7:35 pm-9:59 pm

1 stop24h 24m

Washington, D.C. Reagan-National

sáb. 12/13

8:00 am-6:55 pm

1 stop12h 55m

$554

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

vie. 9/19

2:35 pm-3:06 pm

1 stop22h 31m

Washington, D.C. Reagan-National

lun. 9/22

7:00 pm-1:37 pm

2 stops20h 37m

$568

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

vie. 9/19

2:35 pm-10:58 am

2 stops18h 23m

Washington, D.C. Reagan-National

lun. 9/22

7:00 pm-1:37 pm

2 stops20h 37m

$593

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

dom. 9/28

2:31 pm-10:58 am

2 stops18h 27m

Washington, D.C. Reagan-National

mié. 10/1

6:25 am-9:11 pm

2 stops16h 46m

$638

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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.

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.?

On average, the least expensive day to fly to Washington, D.C. from Great Falls is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $585. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Great Falls to Washington, D.C. for around $702.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Great Falls to Washington, D.C. when you can find flight prices for as low as $582. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $677. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Great Falls to Washington, D.C. flights?

You could potentially save up to 5% on your flight if you consider stops on a Great Falls to Washington, D.C. flight.

When to book flights from Great Falls to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Washington, D.C. 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. (GTF to WAS) flight deals and tips

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

Direct flights

None
There are no direct flights from Great Falls to Washington, D.C.. There are no popular flight routes from Great Falls to Washington, D.C..
Search flight deals

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

    The distance between Great Falls and Washington, D.C. is about 1806.6 mi. Typically, this will take 6h 06m by plane in normal conditions.

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

    Prices for flights from Great Falls Airport to Washington, D.C. refresh daily.

  • How many operators does momondo search for flights from Great Falls Airport to Washington, D.C.?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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..

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

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

  • What is the most popular airline from Great Falls to Washington, D.C.?

Best airlines flying from Great Falls to Washington, D.C.

Compare and see reviews for airlines that fly from Great Falls to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $295Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $424Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights

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
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Towson
Manassas
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.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Great Falls to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Washington, D.C. from Great Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Great Falls to Washington, D.C..

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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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport