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Cheap flights from Great Falls to Washington, D.C. from $281

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 12/29. 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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Cheap round-trip flights

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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
$324Alaska Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Alaska Airlines Logo
7:35 pm - 4:08 pmGTF-DCA
18h 33m1 stop
Alaska Airlines Logo
8:00 am - 6:55 pmDCA-GTF
12h 55m1 stop
$349Alaska Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Alaska Airlines Logo
5:59 pm - 4:26 pmGTF-IAD
20h 27m1 stop
Alaska Airlines Logo
6:04 pm - 5:19 pmIAD-GTF
25h 15m1 stop
$363Alaska Airlines
Find Deal
Sun, Feb 1 - Fri, Feb 6
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
$380Alaska Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Delta Logo
6:15 pm - 6:07 amGTF-BWI
9h 52m1 stop
Delta Logo
7:10 am - 12:32 pmBWI-GTF
7h 22m1 stop
$420Delta
Find Deal
Mon, Mar 9 - Wed, Mar 11
Delta Logo
6:15 pm - 6:07 amGTF-BWI
9h 52m1 stop
Delta Logo
12:15 pm - 10:53 pmBWI-GTF
12h 38m2 stops
$426Delta
Find Deal
Mon, Mar 9 - Wed, Mar 11
Multiple Airlines Logo
11:17 am - 9:17 amGTF-BWI
20h 00m2 stops
Multiple Airlines Logo
8:38 pm - 9:40 pmBWI-GTF
27h 02m2 stops
$526Multiple Airlines
Find Deal
Sun, Dec 14 - Sun, Jan 4
United Airlines Logo
6:10 am - 9:41 pmGTF-BWI
13h 31m2 stops
United Airlines Logo
10:05 am - 9:53 pmBWI-GTF
13h 48m2 stops
$554United Airlines
Find Deal
Sat, Jan 31 - Fri, Feb 6
Multiple Airlines Logo
11:17 am - 9:17 amGTF-BWI
20h 00m2 stops
Multiple Airlines Logo
9:09 pm - 9:40 pmBWI-GTF
26h 31m3 stops
$563Multiple Airlines
Find Deal
Sun, Dec 14 - Sun, Jan 4
United Airlines Logo
2:29 pm - 11:15 pmGTF-BWI
6h 46m1 stop
United Airlines Logo
10:05 am - 9:53 pmBWI-GTF
13h 48m2 stops
$591United Airlines
Find Deal
Sun, Feb 1 - Fri, Feb 6

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

Our best Alaska Airlines deals on Great Falls to Washington, D.C. 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
$324
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
$349
Find similar
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
$363
Find similar

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

Our best Delta deals on Great Falls to Washington, D.C. flight tickets
Delta
Mar 9
GTF6:15 pmGreat Falls
9h 52m
1 stop
BWI6:07 amBaltimore/Washington
Mar 11
BWI7:10 amBaltimore/Washington
7h 22m
1 stop
GTF12:32 pmGreat Falls
$420
Find similar
Delta
Mar 9
GTF6:15 pmGreat Falls
9h 52m
1 stop
BWI6:07 amBaltimore/Washington
Mar 11
BWI12:15 pmBaltimore/Washington
12h 38m
2 stops
GTF10:53 pmGreat Falls
$426
Find similar
Delta
Dec 9
GTF6:10 pmGreat Falls
13h 01m
2 stops
IAD9:11 amWashington, D.C. Dulles Intl
Dec 16
IAD7:05 amWashington, D.C. Dulles Intl
7h 26m
1 stop
GTF12:31 pmGreat Falls
$458
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 November 10, 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 - 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

$324

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 12/9

7:35 pm-4:08 pm

1 stop18h 33m

Washington, D.C. Reagan-National

Tue 12/16

8:00 am-6:55 pm

1 stop12h 55m

$349

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Sun 2/1

5:59 pm-4:26 pm

1 stop20h 27m

Washington, D.C. Dulles Intl

Fri 2/6

6:04 pm-5:19 pm

1 stop25h 15m

$363

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

$380

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Mon 3/9

6:15 pm-6:07 am

1 stop9h 52m

Baltimore/Washington

Wed 3/11

7:10 am-12:32 pm

1 stop7h 22m

$420

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Mon 3/9

6:15 pm-6:07 am

1 stop9h 52m

Baltimore/Washington

Wed 3/11

12:15 pm-10:53 pm

2 stops12h 38m

$426

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sun 12/14

11:17 am-9:17 am

2 stops20h 00m

Baltimore/Washington

Sun 1/4

8:38 pm-9:40 pm

2 stops27h 02m

$526

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sat 1/31

6:10 am-9:41 pm

2 stops13h 31m

Baltimore/Washington

Fri 2/6

10:05 am-9:53 pm

2 stops13h 48m

$554

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sun 12/14

11:17 am-9:17 am

2 stops20h 00m

Baltimore/Washington

Sun 1/4

9:09 pm-9:40 pm

3 stops26h 31m

$563

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sun 2/1

2:29 pm-11:15 pm

1 stop6h 46m

Baltimore/Washington

Fri 2/6

10:05 am-9:53 pm

2 stops13h 48m

$591

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 8% 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 41m 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
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $420Free CancellationRating
7.4
9,012 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
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie
Linthicum Heights
Springfield

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