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 Washington, D.C. and flying into Great Falls (one of the most popular routes), then the duration is 7h 07m on average. Another popular route from Washington, D.C. to Great Falls is flying from Baltimore to Great Falls, which will take roughly 7h 11m. 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 May 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.

$179 Cheap Flights from Washington, D.C. to Great Falls in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:50 am - 4:39 pm

BWI

GTF

10h 49m

1 stop

5:19 pm - 6:30 am

GTF

BWI

11h 11m

1 stop

$338Alaska Airlines

Thu, Sep 10 - Mon, Sep 14

12:15 pm - 10:44 pm

BWI

GTF

12h 29m

2 stops

6:20 pm - 6:03 am

GTF

BWI

9h 43m

1 stop

$344Delta

Sat, Aug 22 - Tue, Aug 25

6:00 am - 5:39 pm

BWI

GTF

13h 39m

2 stops

6:19 pm - 8:46 am

GTF

BWI

12h 27m

2 stops

$349Delta

Mon, Jun 1 - Sat, Jun 6

6:00 am - 5:39 pm

DCA

GTF

13h 39m

2 stops

6:19 pm - 8:37 am

GTF

DCA

12h 18m

2 stops

$349Delta

Mon, Jun 1 - Sat, Jun 6

6:08 am - 5:39 pm

IAD

GTF

13h 31m

2 stops

6:19 pm - 10:20 am

GTF

IAD

14h 01m

2 stops

$349Delta

Mon, Jun 1 - Sat, Jun 6

6:16 pm - 4:39 pm

BWI

GTF

24h 23m

1 stop

5:19 pm - 6:30 am

GTF

BWI

11h 11m

1 stop

$358Alaska Airlines

Thu, Sep 10 - Mon, Sep 14

3:56 pm - 9:34 pm

IAD

GTF

7h 38m

1 stop

2:37 pm - 12:45 am

GTF

IAD

8h 08m

1 stop

$361United Airlines

Thu, May 28 - Thu, Jun 4

9:12 am - 9:34 am

IAD

GTF

26h 22m

1 stop

9:05 pm - 8:12 am

GTF

IAD

33h 07m

2 stops

$381Multiple Airlines

Thu, May 28 - Thu, Jun 4

6:46 am - 8:20 pm

IAD

GTF

39h 34m

2 stops

10:19 am - 8:20 am

GTF

IAD

20h 01m

1 stop

$398Multiple Airlines

Sat, Jul 4 - Mon, Jul 13

4:23 pm - 9:28 pm

BWI

GTF

7h 05m

1 stop

6:15 am - 3:12 pm

GTF

BWI

6h 57m

1 stop

$418United Airlines

Sat, Aug 22 - Tue, Aug 25

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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

Sep 10

BWI7:50 amBaltimore/Washington

10h 49m

1 stop

GTF4:39 pmGreat Falls

Sep 14

GTF5:19 pmGreat Falls

11h 11m

1 stop

BWI6:30 amBaltimore/Washington

$338

Alaska Airlines

Sep 10

BWI6:16 pmBaltimore/Washington

24h 23m

1 stop

GTF4:39 pmGreat Falls

Sep 14

GTF5:19 pmGreat Falls

11h 11m

1 stop

BWI6:30 amBaltimore/Washington

$358

Alaska Airlines

Sep 10

IAD7:00 amWashington, D.C. Dulles Intl

11h 39m

1 stop

GTF4:39 pmGreat Falls

Sep 14

GTF5:19 pmGreat Falls

10h 21m

1 stop

IAD5:40 amWashington, D.C. Dulles Intl

$388

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

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

Delta

Aug 22

BWI12:15 pmBaltimore/Washington

12h 29m

2 stops

GTF10:44 pmGreat Falls

Aug 25

GTF6:20 pmGreat Falls

9h 43m

1 stop

BWI6:03 amBaltimore/Washington

$344

Delta

Jun 1

BWI6:00 amBaltimore/Washington

13h 39m

2 stops

GTF5:39 pmGreat Falls

Jun 6

GTF6:19 pmGreat Falls

12h 27m

2 stops

BWI8:46 amBaltimore/Washington

$349

Delta

Aug 22

BWI10:00 amBaltimore/Washington

14h 44m

2 stops

GTF10:44 pmGreat Falls

Aug 25

GTF6:20 pmGreat Falls

12h 56m

2 stops

BWI9:16 amBaltimore/Washington

$374

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

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Thu 9/10

7:50 am-4:39 pm

1 stop10h 49m

Great Falls

Mon 9/14

5:19 pm-6:30 am

1 stop11h 11m

$338

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sat 8/22

12:15 pm-10:44 pm

2 stops12h 29m

Great Falls

Tue 8/25

6:20 pm-6:03 am

1 stop9h 43m

$344

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Mon 6/1

6:00 am-5:39 pm

2 stops13h 39m

Great Falls

Sat 6/6

6:19 pm-8:46 am

2 stops12h 27m

$349

Washington, D.C.Great Falls

DCA - GTF

DCAGTF

Washington, D.C. Reagan-National

Mon 6/1

6:00 am-5:39 pm

2 stops13h 39m

Great Falls

Sat 6/6

6:19 pm-8:37 am

2 stops12h 18m

$349

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Mon 6/1

6:08 am-5:39 pm

2 stops13h 31m

Great Falls

Sat 6/6

6:19 pm-10:20 am

2 stops14h 01m

$349

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Thu 9/10

6:16 pm-4:39 pm

1 stop24h 23m

Great Falls

Mon 9/14

5:19 pm-6:30 am

1 stop11h 11m

$358

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Thu 5/28

3:56 pm-9:34 pm

1 stop7h 38m

Great Falls

Thu 6/4

2:37 pm-12:45 am

1 stop8h 08m

$361

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Thu 5/28

9:12 am-9:34 am

1 stop26h 22m

Great Falls

Thu 6/4

9:05 pm-8:12 am

2 stops33h 07m

$381

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Sat 7/4

6:46 am-8:20 pm

2 stops39h 34m

Great Falls

Mon 7/13

10:19 am-8:20 am

1 stop20h 01m

$398

Quickest round-trip

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sat 8/22

4:23 pm-9:28 pm

1 stop7h 05m

Great Falls

Tue 8/25

6:15 am-3:12 pm

1 stop6h 57m

$418

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?

Alaska Airlines, United 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	7h 11m
Direct flights	None

The fastest flight from Washington, D.C. to Great Falls takes 7h 11m

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

Frequently asked questions about flying from Washington, D.C. to Great Falls

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 11m.
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 May 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 $337	Free Cancellation	Rating 7.4 9,683 reviews		Search United Airlines flights

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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.