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Cheap flights from Great Falls to District of Columbia from $194

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 District of Columbia departing on 12/19. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:35 pm - 4:36 pmGTF-IAD
19h 01m1 stop
Alaska Airlines Logo
7:34 am - 6:55 pmIAD-GTF
13h 21m1 stop
$362Alaska Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
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
$362Alaska Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Alaska Airlines Logo
7:35 pm - 4:36 pmGTF-IAD
19h 01m1 stop
Alaska Airlines Logo
7:34 am - 6:55 pmIAD-GTF
13h 21m1 stop
$363Alaska Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Delta Logo
6:10 pm - 11:27 pmGTF-IAD
27h 17m2 stops
Delta Logo
7:05 am - 12:31 pmIAD-GTF
7h 26m1 stop
$415Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13
Delta Logo
1:15 pm - 11:48 pmGTF-IAD
8h 33m1 stop
Delta Logo
7:30 am - 5:30 pmIAD-GTF
12h 00m2 stops
$416Delta
Find Deal
Thu, Jan 15 - Tue, Jan 20
Delta Logo
6:10 pm - 11:27 pmGTF-IAD
27h 17m2 stops
Delta Logo
6:55 am - 5:28 pmIAD-GTF
12h 33m2 stops
$420Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
2:35 pm - 9:18 pmGTF-IAD
28h 43m2 stops
United Airlines Logo
6:20 am - 1:39 pmIAD-GTF
9h 19m1 stop
$682United Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
United Airlines Logo
2:35 pm - 2:54 pmGTF-DCA
22h 19m1 stop
United Airlines Logo
6:00 pm - 10:46 pmDCA-GTF
30h 46m2 stops
$748United Airlines
Find Deal
Mon, Dec 15 - Sat, Jan 3
United Airlines Logo
2:35 pm - 2:54 pmGTF-DCA
22h 19m1 stop
United Airlines Logo
5:59 pm - 1:39 pmDCA-GTF
21h 40m2 stops
$765United Airlines
Find Deal
Mon, Dec 15 - Tue, Dec 30
United Airlines Logo
2:35 pm - 3:38 pmGTF-DCA
23h 03m2 stops
United Airlines Logo
4:17 pm - 10:46 pmDCA-GTF
8h 29m1 stop
$777United Airlines
Find Deal
Mon, Dec 15 - Sat, Jan 3

United Airlines flights from Great Falls to District of Columbia

Our best United Airlines deals on Great Falls to District of Columbia flight tickets
United Airlines
Dec 24
GTF2:35 pmGreat Falls
28h 43m
2 stops
IAD9:18 pmWashington, D.C. Dulles Intl
Dec 31
IAD6:20 amWashington, D.C. Dulles Intl
9h 19m
1 stop
GTF1:39 pmGreat Falls
$682
Find similar
United Airlines
Dec 15
GTF2:35 pmGreat Falls
22h 19m
1 stop
DCA2:54 pmWashington, D.C. Reagan-National
Jan 3
DCA6:00 pmWashington, D.C. Reagan-National
30h 46m
2 stops
GTF10:46 pmGreat Falls
$748
Find similar
United Airlines
Dec 15
GTF2:35 pmGreat Falls
22h 19m
1 stop
DCA2:54 pmWashington, D.C. Reagan-National
Dec 30
DCA5:59 pmWashington, D.C. Reagan-National
21h 40m
2 stops
GTF1:39 pmGreat Falls
$765
Find similar

Alaska Airlines flights from Great Falls to District of Columbia

Our best Alaska Airlines deals on Great Falls to District of Columbia flight tickets
Alaska Airlines
Dec 9
GTF7:35 pmGreat Falls
19h 01m
1 stop
IAD4:36 pmWashington, D.C. Dulles Intl
Dec 16
IAD7:34 amWashington, D.C. Dulles Intl
13h 21m
1 stop
GTF6:55 pmGreat Falls
$362
Find similar
Alaska Airlines
Dec 9
GTF7:35 pmGreat Falls
19h 01m
1 stop
IAD4:36 pmWashington, D.C. Dulles Intl
Dec 16
IAD7:34 amWashington, D.C. Dulles Intl
13h 21m
1 stop
GTF6:55 pmGreat Falls
$363
Find similar
Alaska Airlines
Dec 9
GTF7:35 pmGreat Falls
18h 33m
1 stop
DCA4:08 pmWashington, D.C. Reagan-National
Dec 16
DCA8:00 amWashington, D.C. Reagan-National
12h 55m
1 stop
GTF6:55 pmGreat Falls
$382
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to District of Columbia 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 November 4, 2025.
Use the filters below to find and compare flights from Great Falls to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Tue 12/9

7:35 pm-4:36 pm

1 stop19h 01m

Washington, D.C. Dulles Intl

Tue 12/16

7:34 am-6:55 pm

1 stop13h 21m

$362

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 12/9

7:35 pm-9:59 pm

1 stop24h 24m

Washington, D.C. Reagan-National

Tue 12/16

8:00 am-6:55 pm

1 stop12h 55m

$362

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Tue 12/9

7:35 pm-4:36 pm

1 stop19h 01m

Washington, D.C. Dulles Intl

Tue 12/16

7:34 am-6:55 pm

1 stop13h 21m

$363

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Wed 12/10

6:10 pm-11:27 pm

2 stops27h 17m

Washington, D.C. Dulles Intl

Sat 12/13

7:05 am-12:31 pm

1 stop7h 26m

$415

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Thu 1/15

1:15 pm-11:48 pm

1 stop8h 33m

Washington, D.C. Dulles Intl

Tue 1/20

7:30 am-5:30 pm

2 stops12h 00m

$416

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Wed 12/10

6:10 pm-11:27 pm

2 stops27h 17m

Washington, D.C. Dulles Intl

Sat 12/13

6:55 am-5:28 pm

2 stops12h 33m

$420

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Wed 12/24

2:35 pm-9:18 pm

2 stops28h 43m

Washington, D.C. Dulles Intl

Wed 12/31

6:20 am-1:39 pm

1 stop9h 19m

$682

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 12/15

2:35 pm-2:54 pm

1 stop22h 19m

Washington, D.C. Reagan-National

Sat 1/3

6:00 pm-10:46 pm

2 stops30h 46m

$748

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 12/15

2:35 pm-2:54 pm

1 stop22h 19m

Washington, D.C. Reagan-National

Tue 12/30

5:59 pm-1:39 pm

2 stops21h 40m

$765

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 12/15

2:35 pm-3:38 pm

2 stops23h 03m

Washington, D.C. Reagan-National

Sat 1/3

4:17 pm-10:46 pm

1 stop8h 29m

$777

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 District of Columbia from

How to get the cheapest flight ticket from Great Falls to District of Columbia

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 District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Tuesday when prices can be found for as low as $585. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Great Falls because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $702.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Great Falls in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $582 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $677. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Great Falls to District of Columbia flights?

You could potentially save up to 33% on your flight if you consider stops on a Great Falls to District of Columbia flight.

Cheap Great Falls to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to District of Columbia

Direct flights

None
There are no direct flights from Great Falls to District of Columbia. There are no popular flight routes from Great Falls to District of Columbia.
Search flight deals

  • When did momondo last update prices for flights from Great Falls Airport to District of Columbia?

    Prices for flights from Great Falls Airport to District of Columbia refresh daily.

  • How many operators does momondo search for flights from Great Falls Airport to District of Columbia?

  • How old do you have to be to fly from Great Falls Airport to District of Columbia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Great Falls Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Great Falls to District of Columbia

Compare and see reviews for airlines that fly from Great Falls to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $295Free CancellationRating
7.9
8,003 reviews
Search Delta flights
United AirlinesPriceFrom $420Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to District of Columbia?

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 District of Columbia for you.

Can I find flights from Great Falls to District of Columbia with flexible booking policies on momondo?

All flight searches from Great Falls to District of Columbia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Great Falls to District of Columbia?

momondo provides multiple filters to help you find the best flight to District of Columbia from Great Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Great Falls to District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Great Falls to District of Columbia 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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