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Cheap flights from Great Falls to District of Columbia from $313

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 12/18. 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
5:59 pm - 4:26 pm
GTF
-
IAD
20h 27m1 stop
Alaska Airlines Logo
6:04 pm - 5:19 pm
IAD
-
GTF
25h 15m1 stop
$428Alaska Airlines
dom., feb. 1 - vie., feb. 6
United Airlines Logo
6:15 am - 3:45 pm
GTF
-
IAD
7h 30m1 stop
United Airlines Logo
2:21 pm - 9:17 pm
IAD
-
GTF
8h 56m1 stop
$466United Airlines
mié., abr. 22 - vie., abr. 24
Alaska Airlines Logo
5:59 pm - 9:59 pm
GTF
-
DCA
26h 00m1 stop
Alaska Airlines Logo
5:09 pm - 5:19 pm
DCA
-
GTF
26h 10m2 stops
$511Alaska Airlines
dom., feb. 1 - vie., feb. 6
United Airlines Logo
2:29 pm - 9:07 pm
GTF
-
IAD
28h 38m1 stop
United Airlines Logo
4:11 pm - 9:53 pm
IAD
-
GTF
7h 42m1 stop
$512United Airlines
vie., ene. 9 - mar., ene. 13
United Airlines Logo
2:29 pm - 11:36 am
GTF
-
IAD
19h 07m2 stops
United Airlines Logo
2:24 pm - 9:53 pm
IAD
-
GTF
9h 29m1 stop
$528United Airlines
vie., ene. 9 - mar., ene. 13
Alaska Airlines Logo
5:59 pm - 9:59 pm
GTF
-
DCA
26h 00m1 stop
Alaska Airlines Logo
5:01 pm - 5:19 pm
DCA
-
GTF
26h 18m1 stop
$532Alaska Airlines
dom., feb. 1 - vie., feb. 6
Alaska Airlines Logo
6:28 pm - 9:59 pm
GTF
-
DCA
25h 31m1 stop
Alaska Airlines Logo
8:00 am - 5:48 pm
DCA
-
GTF
11h 48m1 stop
$533Alaska Airlines
sáb., feb. 28 - mié., mar. 4
Delta Logo
6:20 pm - 9:13 am
GTF
-
DCA
12h 53m2 stops
Delta Logo
5:00 pm - 10:44 pm
DCA
-
GTF
7h 44m1 stop
$547Delta
mié., abr. 22 - vie., abr. 24
United Airlines Logo
2:29 pm - 7:21 pm
GTF
-
IAD
26h 52m1 stop
United Airlines Logo
4:11 pm - 9:53 pm
IAD
-
GTF
7h 42m1 stop
$551United Airlines
vie., ene. 9 - mar., ene. 13
United Airlines Logo
2:29 pm - 11:36 am
GTF
-
IAD
19h 07m2 stops
United Airlines Logo
2:24 pm - 9:53 pm
IAD
-
GTF
9h 29m1 stop
$557United Airlines
vie., ene. 9 - mar., ene. 13

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
Feb 1
GTF5:59 pmGreat Falls
20h 27m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Feb 6
IAD6:04 pmWashington, D.C. Dulles Intl
25h 15m
1 stop
GTF5:19 pmGreat Falls
$428
Find similar
Alaska Airlines
Feb 1
GTF5:59 pmGreat Falls
26h 00m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Feb 6
DCA5:09 pmWashington, D.C. Reagan-National
26h 10m
2 stops
GTF5:19 pmGreat Falls
$511
Find similar
Alaska Airlines
Feb 1
GTF5:59 pmGreat Falls
26h 00m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Feb 6
DCA5:01 pmWashington, D.C. Reagan-National
26h 18m
1 stop
GTF5:19 pmGreat Falls
$532
Find similar

Delta flights from Great Falls to District of Columbia

Our best Delta deals on Great Falls to District of Columbia flight tickets
Delta
Apr 22
GTF6:20 pmGreat Falls
12h 53m
2 stops
DCA9:13 amWashington, D.C. Reagan-National
Apr 24
DCA5:00 pmWashington, D.C. Reagan-National
7h 44m
1 stop
GTF10:44 pmGreat Falls
$547
Find similar
Delta
Feb 1
GTF6:15 pmGreat Falls
15h 28m
2 stops
IAD11:43 amWashington, D.C. Dulles Intl
Feb 6
IAD12:32 pmWashington, D.C. Dulles Intl
11h 58m
2 stops
GTF10:30 pmGreat Falls
$848
Find similar
Delta
Feb 1
GTF6:15 pmGreat Falls
14h 13m
2 stops
DCA10:28 amWashington, D.C. Reagan-National
Feb 6
DCA12:55 pmWashington, D.C. Reagan-National
11h 35m
2 stops
GTF10:30 pmGreat Falls
$879
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 diciembre 11, 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

dom. 2/1

5:59 pm-4:26 pm

1 stop20h 27m

Washington, D.C. Dulles Intl

vie. 2/6

6:04 pm-5:19 pm

1 stop25h 15m

$428

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

mié. 4/22

6:15 am-3:45 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

vie. 4/24

2:21 pm-9:17 pm

1 stop8h 56m

$466

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

dom. 2/1

5:59 pm-9:59 pm

1 stop26h 00m

Washington, D.C. Reagan-National

vie. 2/6

5:09 pm-5:19 pm

2 stops26h 10m

$511

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

vie. 1/9

2:29 pm-9:07 pm

1 stop28h 38m

Washington, D.C. Dulles Intl

mar. 1/13

4:11 pm-9:53 pm

1 stop7h 42m

$512

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

vie. 1/9

2:29 pm-11:36 am

2 stops19h 07m

Washington, D.C. Dulles Intl

mar. 1/13

2:24 pm-9:53 pm

1 stop9h 29m

$528

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

dom. 2/1

5:59 pm-9:59 pm

1 stop26h 00m

Washington, D.C. Reagan-National

vie. 2/6

5:01 pm-5:19 pm

1 stop26h 18m

$532

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

sáb. 2/28

6:28 pm-9:59 pm

1 stop25h 31m

Washington, D.C. Reagan-National

mié. 3/4

8:00 am-5:48 pm

1 stop11h 48m

$533

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

mié. 4/22

6:20 pm-9:13 am

2 stops12h 53m

Washington, D.C. Reagan-National

vie. 4/24

5:00 pm-10:44 pm

1 stop7h 44m

$547

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

vie. 1/9

2:29 pm-7:21 pm

1 stop26h 52m

Washington, D.C. Dulles Intl

mar. 1/13

4:11 pm-9:53 pm

1 stop7h 42m

$551

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

vie. 1/9

2:29 pm-11:36 am

2 stops19h 07m

Washington, D.C. Dulles Intl

mar. 1/13

2:24 pm-9:53 pm

1 stop9h 29m

$557

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 10% 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

Fastest flight time

6h 44m

Direct flights

None
The fastest flight from Great Falls to District of Columbia takes 6h 44m
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
United AirlinesPriceFrom $420Free CancellationRating
7.4
9,095 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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