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Cheap flights from Great Falls to District of Columbia from $201

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 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Great Falls to District of Columbia

Cheap round-trip flights

Delta Logo
1:08 pm - 11:33 pmGTF-IAD
8h 25m1 stop
Delta Logo
6:15 am - 12:28 pmIAD-GTF
8h 13m1 stop
$402Delta
Find Deal
sáb., oct. 25 - mar., oct. 28
Delta Logo
5:30 am - 11:16 pmGTF-IAD
15h 46m2 stops
Delta Logo
7:00 am - 5:44 pmIAD-GTF
12h 44m2 stops
$403Delta
Find Deal
sáb., feb. 7 - mié., feb. 11
Delta Logo
1:08 pm - 11:33 pmGTF-IAD
8h 25m1 stop
Delta Logo
1:00 pm - 11:06 pmIAD-GTF
12h 06m2 stops
$408Delta
Find Deal
sáb., oct. 25 - mar., oct. 28
Alaska Airlines Logo
6:50 pm - 4:40 pmGTF-IAD
19h 50m1 stop
Alaska Airlines Logo
7:35 am - 6:55 pmIAD-GTF
13h 20m1 stop
$422Alaska Airlines
Find Deal
mié., nov. 19 - vie., dic. 5
United Airlines Logo
7:00 am - 3:07 pmGTF-DCA
6h 07m1 stop
United Airlines Logo
4:17 pm - 10:39 pmDCA-GTF
8h 22m1 stop
$439United Airlines
Find Deal
vie., oct. 24 - mié., oct. 29
Alaska Airlines Logo
6:15 pm - 7:33 amGTF-IAD
11h 18m1 stop
Alaska Airlines Logo
7:43 am - 6:10 pmIAD-GTF
12h 27m1 stop
$462Alaska Airlines
Find Deal
vie., oct. 24 - mar., oct. 28
Alaska Airlines Logo
6:15 pm - 7:33 amGTF-IAD
11h 18m1 stop
Alaska Airlines Logo
7:43 am - 6:10 pmIAD-GTF
12h 27m1 stop
$472Alaska Airlines
Find Deal
vie., oct. 24 - sáb., nov. 1
United Airlines Logo
2:31 pm - 11:22 pmGTF-IAD
6h 51m1 stop
United Airlines Logo
8:25 am - 1:33 pmIAD-GTF
7h 08m1 stop
$476United Airlines
Find Deal
vie., oct. 24 - jue., oct. 30
United Airlines Logo
7:00 am - 7:23 pmGTF-IAD
10h 23m1 stop
United Airlines Logo
10:10 pm - 1:27 pmIAD-GTF
17h 17m1 stop
$487United Airlines
Find Deal
mié., oct. 22 - mar., oct. 28
United Airlines Logo
7:00 am - 7:23 pmGTF-IAD
10h 23m1 stop
United Airlines Logo
8:25 am - 1:33 pmIAD-GTF
7h 08m1 stop
$490United Airlines
Find Deal
mié., oct. 22 - sáb., nov. 1

Delta flights from Great Falls to District of Columbia

Our best Delta deals on Great Falls to District of Columbia flight tickets
Delta
Oct 25
GTF1:08 pmGreat Falls
8h 25m
1 stop
IAD11:33 pmWashington, D.C. Dulles Intl
Oct 28
IAD6:15 amWashington, D.C. Dulles Intl
8h 13m
1 stop
GTF12:28 pmGreat Falls
$402
Find similar
Delta
Feb 7
GTF5:30 amGreat Falls
15h 46m
2 stops
IAD11:16 pmWashington, D.C. Dulles Intl
Feb 11
IAD7:00 amWashington, D.C. Dulles Intl
12h 44m
2 stops
GTF5:44 pmGreat Falls
$403
Find similar
Delta
Oct 25
GTF1:08 pmGreat Falls
8h 25m
1 stop
IAD11:33 pmWashington, D.C. Dulles Intl
Oct 28
IAD1:00 pmWashington, D.C. Dulles Intl
12h 06m
2 stops
GTF11:06 pmGreat Falls
$408
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
Nov 19
GTF6:50 pmGreat Falls
19h 50m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
Dec 5
IAD7:35 amWashington, D.C. Dulles Intl
13h 20m
1 stop
GTF6:55 pmGreat Falls
$422
Find similar
Alaska Airlines
Oct 24
GTF6:15 pmGreat Falls
11h 18m
1 stop
IAD7:33 amWashington, D.C. Dulles Intl
Oct 28
IAD7:43 amWashington, D.C. Dulles Intl
12h 27m
1 stop
GTF6:10 pmGreat Falls
$462
Find similar
Alaska Airlines
Oct 24
GTF6:15 pmGreat Falls
11h 18m
1 stop
IAD7:33 amWashington, D.C. Dulles Intl
Nov 1
IAD7:43 amWashington, D.C. Dulles Intl
12h 27m
1 stop
GTF6:10 pmGreat Falls
$472
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 septiembre 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

sáb. 10/25

1:08 pm-11:33 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

mar. 10/28

6:15 am-12:28 pm

1 stop8h 13m

$402

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

sáb. 2/7

5:30 am-11:16 pm

2 stops15h 46m

Washington, D.C. Dulles Intl

mié. 2/11

7:00 am-5:44 pm

2 stops12h 44m

$403

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

sáb. 10/25

1:08 pm-11:33 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

mar. 10/28

1:00 pm-11:06 pm

2 stops12h 06m

$408

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

mié. 11/19

6:50 pm-4:40 pm

1 stop19h 50m

Washington, D.C. Dulles Intl

vie. 12/5

7:35 am-6:55 pm

1 stop13h 20m

$422

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

vie. 10/24

7:00 am-3:07 pm

1 stop6h 07m

Washington, D.C. Reagan-National

mié. 10/29

4:17 pm-10:39 pm

1 stop8h 22m

$439

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

vie. 10/24

6:15 pm-7:33 am

1 stop11h 18m

Washington, D.C. Dulles Intl

mar. 10/28

7:43 am-6:10 pm

1 stop12h 27m

$462

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

vie. 10/24

6:15 pm-7:33 am

1 stop11h 18m

Washington, D.C. Dulles Intl

sáb. 11/1

7:43 am-6:10 pm

1 stop12h 27m

$472

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

vie. 10/24

2:31 pm-11:22 pm

1 stop6h 51m

Washington, D.C. Dulles Intl

jue. 10/30

8:25 am-1:33 pm

1 stop7h 08m

$476

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

mié. 10/22

7:00 am-7:23 pm

1 stop10h 23m

Washington, D.C. Dulles Intl

mar. 10/28

10:10 pm-1:27 pm

1 stop17h 17m

$487

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

mié. 10/22

7:00 am-7:23 pm

1 stop10h 23m

Washington, D.C. Dulles Intl

sáb. 11/1

8:25 am-1:33 pm

1 stop7h 08m

$490

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
7,960 reviews
Search Delta flights
United AirlinesPriceFrom $424Free CancellationRating
7.4
8,937 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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sáb. 10/11
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