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Cheap flights from Washington, D.C. to Great Falls from $210

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 5/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Delta Logo
7:15 am - 12:27 pm
BWI
-
GTF
7h 12m
1 stop
Delta Logo
6:20 pm - 6:00 am
GTF
-
BWI
9h 40m
1 stop
$298Delta
Thu, Apr 16 - Sun, Apr 19
Delta Logo
6:00 am - 5:40 pm
BWI
-
GTF
13h 40m
2 stops
Delta Logo
6:20 pm - 6:00 am
GTF
-
BWI
9h 40m
1 stop
$304Delta
Thu, Apr 16 - Sun, Apr 19
United Airlines Logo
4:18 pm - 9:17 pm
BWI
-
GTF
6h 59m
1 stop
United Airlines Logo
2:30 pm - 11:24 pm
GTF
-
BWI
6h 54m
1 stop
$323United Airlines
Sat, Apr 4 - Tue, Apr 14
United Airlines Logo
2:40 pm - 9:19 pm
IAD
-
GTF
8h 39m
1 stop
United Airlines Logo
2:29 pm - 12:37 am
GTF
-
IAD
8h 08m
1 stop
$323United Airlines
Sat, May 23 - Sat, May 30
Delta Logo
5:40 am - 12:24 pm
BWI
-
GTF
8h 44m
2 stops
Delta Logo
6:20 pm - 6:00 am
GTF
-
BWI
9h 40m
1 stop
$329Delta
Sun, Apr 5 - Thu, Apr 16
United Airlines Logo
4:18 pm - 9:17 pm
BWI
-
GTF
6h 59m
1 stop
United Airlines Logo
2:30 pm - 11:24 pm
GTF
-
BWI
6h 54m
1 stop
$348United Airlines
Sat, Apr 4 - Sat, Apr 11
Alaska Airlines Logo
7:11 pm - 4:26 pm
IAD
-
GTF
23h 15m
1 stop
Alaska Airlines Logo
5:06 pm - 5:40 am
GTF
-
IAD
10h 34m
1 stop
$392Alaska Airlines
Tue, Mar 24 - Thu, Mar 26
United Airlines Logo
2:21 pm - 9:17 pm
IAD
-
GTF
8h 56m
1 stop
United Airlines Logo
2:30 pm - 11:34 pm
GTF
-
IAD
7h 04m
1 stop
$404United Airlines
Fri, Apr 17 - Sun, Apr 19
Alaska Airlines Logo
6:00 am - 6:12 pm
IAD
-
GTF
14h 12m
1 stop
Alaska Airlines Logo
6:52 pm - 7:34 am
GTF
-
IAD
10h 42m
1 stop
$453Alaska Airlines
Sat, May 23 - Sat, May 30
Alaska Airlines Logo
8:00 am - 4:26 pm
DCA
-
GTF
10h 26m
1 stop
Alaska Airlines Logo
5:06 pm - 9:59 pm
GTF
-
DCA
26h 53m
1 stop
$550Alaska Airlines
Tue, Mar 31 - Thu, Apr 2

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
Mar 24
IAD7:11 pmWashington, D.C. Dulles Intl
23h 15m
1 stop
GTF4:26 pmGreat Falls
Mar 26
GTF5:06 pmGreat Falls
10h 34m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
$392
Alaska Airlines
May 23
IAD6:00 amWashington, D.C. Dulles Intl
14h 12m
1 stop
GTF6:12 pmGreat Falls
May 30
GTF6:52 pmGreat Falls
10h 42m
1 stop
IAD7:34 amWashington, D.C. Dulles Intl
$453
Alaska Airlines
Mar 24
IAD6:22 pmWashington, D.C. Dulles Intl
24h 04m
2 stops
GTF4:26 pmGreat Falls
Mar 26
GTF5:06 pmGreat Falls
10h 34m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
$471

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

Our best United Airlines deals on Washington, D.C. to Great Falls flight tickets
United Airlines
Apr 4
BWI4:18 pmBaltimore/Washington
6h 59m
1 stop
GTF9:17 pmGreat Falls
Apr 14
GTF2:30 pmGreat Falls
6h 54m
1 stop
BWI11:24 pmBaltimore/Washington
$323
United Airlines
Apr 4
BWI4:18 pmBaltimore/Washington
6h 59m
1 stop
GTF9:17 pmGreat Falls
Apr 11
GTF2:30 pmGreat Falls
6h 54m
1 stop
BWI11:24 pmBaltimore/Washington
$348
United Airlines
May 13
BWI4:12 pmBaltimore/Washington
7h 06m
1 stop
GTF9:18 pmGreat Falls
May 16
GTF2:35 pmGreat Falls
6h 52m
1 stop
BWI11:27 pmBaltimore/Washington
$401

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 January 29, 2026.
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

Thu 4/16

7:15 am-12:27 pm

1 stop7h 12m

Great Falls

Sun 4/19

6:20 pm-6:00 am

1 stop9h 40m

$298

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Thu 4/16

6:00 am-5:40 pm

2 stops13h 40m

Great Falls

Sun 4/19

6:20 pm-6:00 am

1 stop9h 40m

$304

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sat 4/4

4:18 pm-9:17 pm

1 stop6h 59m

Great Falls

Tue 4/14

2:30 pm-11:24 pm

1 stop6h 54m

$323

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Sat 5/23

2:40 pm-9:19 pm

1 stop8h 39m

Great Falls

Sat 5/30

2:29 pm-12:37 am

1 stop8h 08m

$323

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sun 4/5

5:40 am-12:24 pm

2 stops8h 44m

Great Falls

Thu 4/16

6:20 pm-6:00 am

1 stop9h 40m

$329

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sat 4/4

4:18 pm-9:17 pm

1 stop6h 59m

Great Falls

Sat 4/11

2:30 pm-11:24 pm

1 stop6h 54m

$348

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Tue 3/24

7:11 pm-4:26 pm

1 stop23h 15m

Great Falls

Thu 3/26

5:06 pm-5:40 am

1 stop10h 34m

$392

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Fri 4/17

2:21 pm-9:17 pm

1 stop8h 56m

Great Falls

Sun 4/19

2:30 pm-11:34 pm

1 stop7h 04m

$404

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Sat 5/23

6:00 am-6:12 pm

1 stop14h 12m

Great Falls

Sat 5/30

6:52 pm-7:34 am

1 stop10h 42m

$453

Washington, D.C.Great Falls

DCA - GTF

DCAGTF

Washington, D.C. Reagan-National

Tue 3/31

8:00 am-4:26 pm

1 stop10h 26m

Great Falls

Thu 4/2

5:06 pm-9:59 pm

1 stop26h 53m

$550

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between Washington, D.C. and Great Falls?

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

Fastest flight time

6h 53m

Direct flights

None
The fastest flight from Washington, D.C. to Great Falls takes 6h 53m
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.
Search flight deals

  • 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 6h 53m.

  • 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 $286Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

Traveling to a place near Great Falls?

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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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