How many flights depart from Washington, D.C. to Great Falls on average per week?

As of March 2026, 6 flights take off from Washington, D.C. and land in Great Falls each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

How long does it take to fly to Great Falls?

Flight times from Washington, D.C. to Great Falls vary, but if you’re flying out of Baltimore and flying into Great Falls (one of the most popular routes), then the duration is 6h 59m on average. Another popular route from Washington, D.C. to Great Falls is flying from Washington, D.C. to Great Falls, which will take roughly 7h 21m. Keep in mind that layovers or delays could extend your travel time.

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?

The number of operators available for flights from Washington, D.C. to Great Falls Airport is 1 as of March 2026.

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.

$153 Cheap Flights from Washington, D.C. to Great Falls in 2026

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Find the cheapest flights from Washington, D.C. to Great Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:43 pm - 9:28 pm

IAD

GTF

8h 45m

1 stop

2:31 pm - 12:40 am

GTF

IAD

8h 09m

1 stop

$306United Airlines

Tue, Sep 8 - Tue, Sep 22

2:43 pm - 9:28 pm

IAD

GTF

8h 45m

1 stop

2:31 pm - 12:40 am

GTF

IAD

8h 09m

1 stop

$338United Airlines

Fri, Sep 11 - Fri, Sep 18

6:13 am - 5:42 pm

DCA

GTF

13h 29m

2 stops

6:20 pm - 10:19 am

GTF

DCA

13h 59m

2 stops

$348Delta

Tue, Apr 7 - Tue, Apr 14

2:43 pm - 9:28 pm

IAD

GTF

8h 45m

1 stop

2:31 pm - 12:40 am

GTF

IAD

8h 09m

1 stop

$358United Airlines

Fri, Aug 14 - Thu, Aug 20

4:12 pm - 9:18 pm

BWI

GTF

7h 06m

1 stop

2:35 pm - 11:27 pm

GTF

BWI

6h 52m

1 stop

$362United Airlines

Tue, May 5 - Tue, May 19

7:16 pm - 5:35 pm

BWI

GTF

24h 19m

1 stop

6:52 pm - 6:28 am

GTF

BWI

9h 36m

1 stop

$363Alaska Airlines

Thu, May 7 - Thu, May 14

1:00 pm - 10:44 pm

BWI

GTF

11h 44m

2 stops

6:20 pm - 6:03 am

GTF

BWI

9h 43m

1 stop

$364Delta

Sat, Sep 12 - Thu, Sep 24

5:00 pm - 10:44 pm

DCA

GTF

7h 44m

1 stop

6:20 pm - 10:26 am

GTF

DCA

14h 06m

2 stops

$364Delta

Sat, Sep 12 - Tue, Sep 22

7:00 am - 4:26 pm

IAD

GTF

11h 26m

1 stop

5:06 pm - 5:40 am

GTF

IAD

10h 34m

1 stop

$387Alaska Airlines

Wed, Apr 15 - Sat, Apr 18

7:00 am - 4:26 pm

IAD

GTF

11h 26m

1 stop

5:06 pm - 5:40 am

GTF

IAD

10h 34m

1 stop

$389Alaska Airlines

Wed, Apr 15 - Sat, Apr 18

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

Our best Delta deals on Washington, D.C. to Great Falls flight tickets

Delta

Apr 7

DCA6:13 amWashington, D.C. Reagan-National

13h 29m

2 stops

GTF5:42 pmGreat Falls

Apr 14

GTF6:20 pmGreat Falls

13h 59m

2 stops

DCA10:19 amWashington, D.C. Reagan-National

$348

Delta

Sep 12

BWI1:00 pmBaltimore/Washington

11h 44m

2 stops

GTF10:44 pmGreat Falls

Sep 24

GTF6:20 pmGreat Falls

9h 43m

1 stop

BWI6:03 amBaltimore/Washington

$364

Delta

Sep 12

BWI1:00 pmBaltimore/Washington

11h 44m

2 stops

GTF10:44 pmGreat Falls

Sep 21

GTF6:20 pmGreat Falls

12h 56m

2 stops

BWI9:16 amBaltimore/Washington

$369

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

Sep 8

IAD2:43 pmWashington, D.C. Dulles Intl

8h 45m

1 stop

GTF9:28 pmGreat Falls

Sep 22

GTF2:31 pmGreat Falls

8h 09m

1 stop

IAD12:40 amWashington, D.C. Dulles Intl

$306

United Airlines

Sep 11

IAD2:43 pmWashington, D.C. Dulles Intl

8h 45m

1 stop

GTF9:28 pmGreat Falls

Sep 18

GTF2:31 pmGreat Falls

8h 09m

1 stop

IAD12:40 amWashington, D.C. Dulles Intl

$338

United Airlines

Aug 14

IAD2:43 pmWashington, D.C. Dulles Intl

8h 45m

1 stop

GTF9:28 pmGreat Falls

Aug 20

GTF2:31 pmGreat Falls

8h 09m

1 stop

IAD12:40 amWashington, D.C. Dulles Intl

$358

momondo Fare Finder

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

Cheapest round-trip

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Tue 9/8

2:43 pm-9:28 pm

1 stop8h 45m

Great Falls

Tue 9/22

2:31 pm-12:40 am

1 stop8h 09m

$306

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Fri 9/11

2:43 pm-9:28 pm

1 stop8h 45m

Great Falls

Fri 9/18

2:31 pm-12:40 am

1 stop8h 09m

$338

Washington, D.C.Great Falls

DCA - GTF

DCAGTF

Washington, D.C. Reagan-National

Tue 4/7

6:13 am-5:42 pm

2 stops13h 29m

Great Falls

Tue 4/14

6:20 pm-10:19 am

2 stops13h 59m

$348

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Fri 8/14

2:43 pm-9:28 pm

1 stop8h 45m

Great Falls

Thu 8/20

2:31 pm-12:40 am

1 stop8h 09m

$358

Quickest round-trip

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Tue 5/5

4:12 pm-9:18 pm

1 stop7h 06m

Great Falls

Tue 5/19

2:35 pm-11:27 pm

1 stop6h 52m

$362

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Thu 5/7

7:16 pm-5:35 pm

1 stop24h 19m

Great Falls

Thu 5/14

6:52 pm-6:28 am

1 stop9h 36m

$363

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sat 9/12

1:00 pm-10:44 pm

2 stops11h 44m

Great Falls

Thu 9/24

6:20 pm-6:03 am

1 stop9h 43m

$364

Washington, D.C.Great Falls

DCA - GTF

DCAGTF

Washington, D.C. Reagan-National

Sat 9/12

5:00 pm-10:44 pm

1 stop7h 44m

Great Falls

Tue 9/22

6:20 pm-10:26 am

2 stops14h 06m

$364

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-4:26 pm

1 stop11h 26m

Great Falls

Sat 4/18

5:06 pm-5:40 am

1 stop10h 34m

$387

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-4:26 pm

1 stop11h 26m

Great Falls

Sat 4/18

5:06 pm-5:40 am

1 stop10h 34m

$389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Airlines

Other information

What is the cheapest airline that flies from Washington, D.C. to Great Falls?

United Airlines, Alaska Airlines, and Delta are the most popular carriers operating from Washington, D.C. to 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 58m
Direct flights	None

The fastest flight from Washington, D.C. to Great Falls takes 6h 58m

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 58m.
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?
The number of operators available for flights from Washington, D.C. to Great Falls Airport is 1 as of March 2026.
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?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Great Falls is United Airlines, representing 100% of all bookings.

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 Airlines	PriceFrom $286	Free Cancellation	Rating 7.4 9,431 reviews		Search United Airlines flights

United Airlines Flights From Washington, D.C. to Great Falls
United Airlines operates around 6 flights from Washington, D.C. to Great Falls every week. The average price of these flights found in the last 72 hours has been $707, but momondo users have found United Airlines deals from Washington, D.C. to Great Falls from as low as $286 round-trip. United Airlines has been scored 7.4/10 in 9,431 reviews.

Shelby

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.