Which layover airport offers the lowest fares from Washington, D.C. to Great Falls?

Flights via Denver (DEN) offer the lowest average round-trip price of $387.

Which layover airport has the shortest travel time from Washington, D.C. to Great Falls?

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 6h 49m.

Which layover airport has the shortest connection time from Washington, D.C. to Great Falls?

Denver (DEN) has the shortest average layover time for this route: 1h 12m.

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 55m 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. Keep in mind that layovers or delays could extend your travel time.

Which airport is the most popular layover for flights between Washington, D.C. and Great Falls?

Denver (DEN) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

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 2 as of September 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.

$194 Cheap Flights from Washington, D.C. to Great Falls in 2026/27

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.

6:13 am - 12:38 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

8h 25m1 stop Salt Lake City

1:21 pm - 12:41 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

9h 20m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$374Delta

Sun, Nov 1 - Sat, Nov 14

7:10 am - 12:27 pmBWI Baltimore/Washington-GTF Great Falls

7h 17m1 stop Salt Lake City

1:10 pm - 11:40 pmGTF Great Falls-BWI Baltimore/Washington

8h 30m1 stop Salt Lake City

$388Delta

Sat, Jan 16 - Sat, Jan 23

4:10 pm - 9:20 pmBWI Baltimore/Washington-GTF Great Falls

7h 10m1 stop Denver Intl

2:25 pm - 11:00 pmGTF Great Falls-BWI Baltimore/Washington

6h 35m1 stop Denver Intl

$388United Airlines

Sat, Feb 6 - Sat, Feb 13

4:10 pm - 9:20 pmBWI Baltimore/Washington-GTF Great Falls

7h 10m1 stop Denver Intl

6:15 am - 3:06 pmGTF Great Falls-BWI Baltimore/Washington

6h 51m1 stop Denver Intl

$388United Airlines

Sat, Jan 30 - Sat, Feb 6

7:10 am - 12:27 pmBWI Baltimore/Washington-GTF Great Falls

7h 17m1 stop Salt Lake City

1:10 pm - 11:40 pmGTF Great Falls-BWI Baltimore/Washington

8h 30m1 stop Salt Lake City

$388Delta

Sun, Jan 31 - Sun, Feb 7

7:10 am - 12:27 pmBWI Baltimore/Washington-GTF Great Falls

7h 17m1 stop Salt Lake City

6:20 pm - 6:00 amGTF Great Falls-BWI Baltimore/Washington

9h 40m1 stop Salt Lake City

$388Delta

Sun, Mar 7 - Mon, Mar 15

4:10 pm - 9:20 pmBWI Baltimore/Washington-GTF Great Falls

7h 10m1 stop Denver Intl

6:15 am - 9:31 pmGTF Great Falls-BWI Baltimore/Washington

13h 16m2 stops Denver Intl Chicago O'Hare Intl

$394United Airlines

Sat, Jan 30 - Sat, Feb 6

7:05 am - 4:30 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

11h 25m1 stop Seattle/Tacoma Intl

5:10 pm - 5:44 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

10h 34m1 stop Seattle/Tacoma Intl

$447Alaska Airlines

Sun, Nov 1 - Sat, Nov 14

7:05 am - 4:30 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

11h 25m1 stop Seattle/Tacoma Intl

5:10 pm - 5:44 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

10h 34m1 stop Seattle/Tacoma Intl

$458Alaska Airlines

Sun, Nov 1 - Sat, Nov 14

6:11 pm - 4:13 pmBWI Baltimore/Washington-GTF Great Falls

24h 02m1 stop Seattle/Tacoma Intl

4:55 pm - 5:11 pmGTF Great Falls-BWI Baltimore/Washington

22h 16m1 stop Seattle/Tacoma Intl

$595Alaska Airlines

Thu, Feb 11 - Tue, Feb 23

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 12:35 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

7h 35m1 stop Salt Lake City

6:21 pm - 11:45 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

15h 24m2 stops Salt Lake City New York John F Kennedy Intl

$489Delta

Wed, Sep 23 - Wed, Sep 30

4:15 pm - 9:12 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

6h 57m1 stop Denver Intl

2:37 pm - 11:25 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

6h 48m1 stop Denver Intl

$583United Airlines

Wed, Sep 23 - Wed, Sep 30

4:15 pm - 9:12 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

6h 57m1 stop Denver Intl

2:37 pm - 11:25 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

6h 48m1 stop Denver Intl

$653United Airlines

Wed, Sep 23 - Wed, Sep 30

10:15 am - 10:37 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

14h 22m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:21 pm - 11:45 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

15h 24m2 stops Salt Lake City New York John F Kennedy Intl

$694Delta

Wed, Sep 23 - Wed, Sep 30

4:15 pm - 9:12 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

6h 57m1 stop Denver Intl

2:37 pm - 11:25 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

6h 48m1 stop Denver Intl

$698United Airlines

Wed, Sep 23 - Wed, Sep 30

7:00 am - 12:35 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

7h 35m1 stop Salt Lake City

6:21 pm - 11:45 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

15h 24m2 stops Salt Lake City New York John F Kennedy Intl

$709Delta

Wed, Sep 23 - Wed, Sep 30

7:00 am - 12:35 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

7h 35m1 stop Salt Lake City

6:21 pm - 11:45 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

15h 24m2 stops Salt Lake City New York John F Kennedy Intl

$734Delta

Wed, Sep 23 - Wed, Sep 30

10:10 pm - 1:41 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

17h 31m2 stops Louisville Intl Denver Intl

2:37 pm - 11:25 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

6h 48m1 stop Denver Intl

$778United Airlines

Wed, Sep 23 - Wed, Sep 30

10:15 am - 10:37 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

14h 22m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:21 pm - 11:45 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

15h 24m2 stops Salt Lake City New York John F Kennedy Intl

$827Delta

Wed, Sep 23 - Wed, Sep 30

10:15 pm - 9:22 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

25h 07m3 stops Boston Logan Intl Los Angeles Los Angeles Denver Intl

2:37 pm - 11:25 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

6h 48m1 stop Denver Intl

$882United Airlines

Wed, Sep 23 - Wed, Sep 30

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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

Nov 1

IAD7:05 amWashington, D.C. Dulles Intl

11h 25m

1 stop

GTF4:30 pmGreat Falls

Nov 14

GTF5:10 pmGreat Falls

10h 34m

1 stop

IAD5:44 amWashington, D.C. Dulles Intl

$447

Alaska Airlines

Nov 1

IAD7:05 amWashington, D.C. Dulles Intl

11h 25m

1 stop

GTF4:30 pmGreat Falls

Nov 14

GTF5:10 pmGreat Falls

10h 34m

1 stop

IAD5:44 amWashington, D.C. Dulles Intl

$458

Alaska Airlines

Sep 30

IAD7:00 amWashington, D.C. Dulles Intl

11h 39m

1 stop

GTF4:39 pmGreat Falls

Oct 5

GTF5:15 pmGreat Falls

10h 25m

1 stop

IAD5:40 amWashington, D.C. Dulles Intl

$483

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

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

Delta

Nov 1

IAD6:13 amWashington, D.C. Dulles Intl

8h 25m

1 stop

GTF12:38 pmGreat Falls

Nov 14

GTF1:21 pmGreat Falls

9h 20m

2 stops

IAD12:41 amWashington, D.C. Dulles Intl

$374

Delta

Feb 6

BWI7:10 amBaltimore/Washington

7h 17m

1 stop

GTF12:27 pmGreat Falls

Feb 12

GTF1:10 pmGreat Falls

8h 30m

1 stop

BWI11:40 pmBaltimore/Washington

$388

Delta

Jan 28

BWI7:30 amBaltimore/Washington

12h 13m

2 stops

GTF5:43 pmGreat Falls

Feb 5

GTF1:10 pmGreat Falls

8h 30m

1 stop

BWI11:40 pmBaltimore/Washington

$394

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 Washington, D.C. Dulles Intl - GTF Great Falls

IADGTF

Washington, D.C. Dulles Intl

Sun 11/1

6:13 am-12:38 pm

1 stop8h 25m

Great Falls

Sat 11/14

1:21 pm-12:41 am

2 stops9h 20m

$374

BaltimoreGreat Falls

BWI Baltimore/Washington - GTF Great Falls

BWIGTF

Baltimore/Washington

Sat 1/16

7:10 am-12:27 pm

1 stop7h 17m

Great Falls

Sat 1/23

1:10 pm-11:40 pm

1 stop8h 30m

$388

Quickest round-trip

BaltimoreGreat Falls

BWI Baltimore/Washington - GTF Great Falls

BWIGTF

Baltimore/Washington

Sat 2/6

4:10 pm-9:20 pm

1 stop7h 10m

Great Falls

Sat 2/13

2:25 pm-11:00 pm

1 stop6h 35m

$388

BaltimoreGreat Falls

BWI Baltimore/Washington - GTF Great Falls

BWIGTF

Baltimore/Washington

Sat 1/30

4:10 pm-9:20 pm

1 stop7h 10m

Great Falls

Sat 2/6

6:15 am-3:06 pm

1 stop6h 51m

$388

BaltimoreGreat Falls

BWI Baltimore/Washington - GTF Great Falls

BWIGTF

Baltimore/Washington

Sun 1/31

7:10 am-12:27 pm

1 stop7h 17m

Great Falls

Sun 2/7

1:10 pm-11:40 pm

1 stop8h 30m

$388

BaltimoreGreat Falls

BWI Baltimore/Washington - GTF Great Falls

BWIGTF

Baltimore/Washington

Sun 3/7

7:10 am-12:27 pm

1 stop7h 17m

Great Falls

Mon 3/15

6:20 pm-6:00 am

1 stop9h 40m

$388

BaltimoreGreat Falls

BWI Baltimore/Washington - GTF Great Falls

BWIGTF

Baltimore/Washington

Sat 1/30

4:10 pm-9:20 pm

1 stop7h 10m

Great Falls

Sat 2/6

6:15 am-9:31 pm

2 stops13h 16m

$394

Washington, D.C.Great Falls

IAD Washington, D.C. Dulles Intl - GTF Great Falls

IADGTF

Washington, D.C. Dulles Intl

Sun 11/1

7:05 am-4:30 pm

1 stop11h 25m

Great Falls

Sat 11/14

5:10 pm-5:44 am

1 stop10h 34m

$447

Washington, D.C.Great Falls

IAD Washington, D.C. Dulles Intl - GTF Great Falls

IADGTF

Washington, D.C. Dulles Intl

Sun 11/1

7:05 am-4:30 pm

1 stop11h 25m

Great Falls

Sat 11/14

5:10 pm-5:44 am

1 stop10h 34m

$458

BaltimoreGreat Falls

BWI Baltimore/Washington - GTF Great Falls

BWIGTF

Baltimore/Washington

Thu 2/11

6:11 pm-4:13 pm

1 stop24h 02m

Great Falls

Tue 2/23

4:55 pm-5:11 pm

1 stop22h 16m

$595

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

Layovers

Other information

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

Delta, United Airlines, and Alaska Airlines 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

Best Price Found	$194
Fastest flight time	6h 55m
Direct flights	None

The best one-way flight to Great Falls from Washington, D.C. in the past 72 hours is $194. The best round-trip flight deal from Washington, D.C. to Great Falls found on momondo in the last 72 hours is $374.

The fastest flight from Washington, D.C. to Great Falls takes 6h 55m

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 6h 55m.
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 2 as of September 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 68% of all bookings. The subsequent popular airline is Delta at 32%.

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 10,214 reviews		Search United Airlines flights
Delta	PriceFrom $338	Free Cancellation	Rating 7.8 8,581 reviews		Search Delta flights

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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.