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Cheap flights from Washington, D.C. to Great Falls from $331

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Great Falls departing on 12/28. 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 Washington, D.C. to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 9:31 pmBWI-GTF
17h 31m1 stop
Multiple Airlines Logo
10:21 pm - 9:30 amGTF-BWI
33h 09m2 stops
$344Multiple Airlines
Find Deal
Mon, Nov 10 - Fri, Nov 14
Alaska Airlines Logo
8:00 am - 6:55 pmDCA-GTF
12h 55m1 stop
Alaska Airlines Logo
7:35 pm - 4:08 pmGTF-DCA
18h 33m1 stop
$362Alaska Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
Alaska Airlines Logo
8:00 am - 6:55 pmDCA-GTF
12h 55m1 stop
Alaska Airlines Logo
7:35 pm - 4:08 pmGTF-DCA
18h 33m1 stop
$382Alaska Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
Alaska Airlines Logo
7:34 am - 6:55 pmIAD-GTF
13h 21m1 stop
Alaska Airlines Logo
7:35 pm - 4:36 pmGTF-IAD
19h 01m1 stop
$392Alaska Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
Alaska Airlines Logo
6:30 pm - 6:55 pmIAD-GTF
26h 25m1 stop
Alaska Airlines Logo
7:35 pm - 6:06 amGTF-IAD
8h 31m1 stop
$422Alaska Airlines
Find Deal
Fri, Dec 12 - Mon, Dec 15
Alaska Airlines Logo
5:00 pm - 6:55 pmDCA-GTF
27h 55m1 stop
Alaska Airlines Logo
7:35 pm - 5:59 pmGTF-DCA
20h 24m2 stops
$424Alaska Airlines
Find Deal
Sat, Dec 6 - Sun, Dec 14
Delta Logo
7:15 am - 12:31 pmBWI-GTF
7h 16m1 stop
Delta Logo
6:10 pm - 9:18 amGTF-BWI
13h 08m2 stops
$430Delta
Find Deal
Sat, Dec 6 - Mon, Dec 15
Delta Logo
7:02 am - 5:28 pmBWI-GTF
12h 26m2 stops
Delta Logo
6:10 pm - 9:18 amGTF-BWI
13h 08m2 stops
$435Delta
Find Deal
Sat, Dec 6 - Sun, Dec 14
United Airlines Logo
8:20 am - 1:39 pmBWI-GTF
7h 19m1 stop
United Airlines Logo
2:35 pm - 11:00 pmGTF-BWI
6h 25m1 stop
$514United Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
United Airlines Logo
2:30 pm - 9:32 pmIAD-GTF
9h 02m1 stop
United Airlines Logo
2:35 pm - 3:01 pmGTF-IAD
22h 26m1 stop
$551United Airlines
Find Deal
Tue, Dec 2 - Thu, Dec 11

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

Our best Alaska Airlines deals on Washington, D.C. to Great Falls flight tickets
Alaska Airlines
Dec 6
DCA8:00 amWashington, D.C. Reagan-National
12h 55m
1 stop
GTF6:55 pmGreat Falls
Dec 15
GTF7:35 pmGreat Falls
18h 33m
1 stop
DCA4:08 pmWashington, D.C. Reagan-National
$362
Find similar
Alaska Airlines
Dec 6
DCA8:00 amWashington, D.C. Reagan-National
12h 55m
1 stop
GTF6:55 pmGreat Falls
Dec 15
GTF7:35 pmGreat Falls
18h 33m
1 stop
DCA4:08 pmWashington, D.C. Reagan-National
$382
Find similar
Alaska Airlines
Dec 6
IAD7:34 amWashington, D.C. Dulles Intl
13h 21m
1 stop
GTF6:55 pmGreat Falls
Dec 15
GTF7:35 pmGreat Falls
19h 01m
1 stop
IAD4:36 pmWashington, D.C. Dulles Intl
$392
Find similar

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

Our best Delta deals on Washington, D.C. to Great Falls flight tickets
Delta
Dec 6
BWI7:15 amBaltimore/Washington
7h 16m
1 stop
GTF12:31 pmGreat Falls
Dec 15
GTF6:10 pmGreat Falls
13h 08m
2 stops
BWI9:18 amBaltimore/Washington
$430
Find similar
Delta
Dec 6
IAD7:15 amWashington, D.C. Dulles Intl
12h 13m
2 stops
GTF5:28 pmGreat Falls
Dec 14
GTF1:12 pmGreat Falls
8h 17m
1 stop
IAD11:29 pmWashington, D.C. Dulles Intl
$435
Find similar
Delta
Dec 6
IAD7:15 amWashington, D.C. Dulles Intl
12h 13m
2 stops
GTF5:28 pmGreat Falls
Dec 15
GTF6:10 pmGreat Falls
13h 01m
2 stops
IAD9:11 amWashington, D.C. Dulles Intl
$440
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Great Falls 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 October 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Mon 11/10

6:00 am-9:31 pm

1 stop17h 31m

Great Falls

Fri 11/14

10:21 pm-9:30 am

2 stops33h 09m

$344

Washington, D.C.Great Falls

DCA - GTF

DCAGTF

Washington, D.C. Reagan-National

Sat 12/6

8:00 am-6:55 pm

1 stop12h 55m

Great Falls

Mon 12/15

7:35 pm-4:08 pm

1 stop18h 33m

$362

Washington, D.C.Great Falls

DCA - GTF

DCAGTF

Washington, D.C. Reagan-National

Sat 12/6

8:00 am-6:55 pm

1 stop12h 55m

Great Falls

Mon 12/15

7:35 pm-4:08 pm

1 stop18h 33m

$382

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Sat 12/6

7:34 am-6:55 pm

1 stop13h 21m

Great Falls

Mon 12/15

7:35 pm-4:36 pm

1 stop19h 01m

$392

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Fri 12/12

6:30 pm-6:55 pm

1 stop26h 25m

Great Falls

Mon 12/15

7:35 pm-6:06 am

1 stop8h 31m

$422

Washington, D.C.Great Falls

DCA - GTF

DCAGTF

Washington, D.C. Reagan-National

Sat 12/6

5:00 pm-6:55 pm

1 stop27h 55m

Great Falls

Sun 12/14

7:35 pm-5:59 pm

2 stops20h 24m

$424

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sat 12/6

7:15 am-12:31 pm

1 stop7h 16m

Great Falls

Mon 12/15

6:10 pm-9:18 am

2 stops13h 08m

$430

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sat 12/6

7:02 am-5:28 pm

2 stops12h 26m

Great Falls

Sun 12/14

6:10 pm-9:18 am

2 stops13h 08m

$435

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sat 12/6

8:20 am-1:39 pm

1 stop7h 19m

Great Falls

Mon 12/15

2:35 pm-11:00 pm

1 stop6h 25m

$514

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Tue 12/2

2:30 pm-9:32 pm

1 stop9h 02m

Great Falls

Thu 12/11

2:35 pm-3:01 pm

1 stop22h 26m

$551

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. to Great Falls

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 Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Wednesday when prices can be found for as low as $623. 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 Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,124.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the afternoon. momondo users have found flights departing from Washington, D.C. to Great Falls in the afternoon for as low as $667. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $805 on average. Flights to Great Falls from Washington, D.C. in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Great Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Great Falls (WAS to GTF) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. to Great Falls. There are no popular flight routes from Washington, D.C. to Great Falls.
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  • How far is Washington, D.C. to Great Falls by plane?

    Great Falls is 1806.6 mi away from Washington, D.C.. In terms of flight time, this usually takes a little over 7h 12m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The required travel and health documents for your Great Falls Airport 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 Great Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $384Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights

Traveling to a place near Great Falls?

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Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Great Falls?

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 Washington, D.C. to Great Falls for you.

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

Yes. momondo enables you to select and highlight flights to Great Falls from Washington, D.C. with this policy.

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

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

I’m not ready to book a flight from Washington, D.C. to Great Falls right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Great Falls from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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