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

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Great Falls to Washington, D.C.

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

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

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

As of February 2026, there is 1 operator available to choose from for flights from Great Falls Airport to Washington, D.C..

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$174 Cheap Flights from Great Falls to Washington, D.C. in 2026

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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:30 pm - 10:49 pm

GTF

DCA

8h 19m

1 stop

6:30 am - 11:23 am

DCA

GTF

6h 53m

1 stop

$350United Airlines

Thu, Jul 9 - Tue, Jul 14

5:06 pm - 5:40 am

GTF

IAD

10h 34m

1 stop

7:10 am - 5:35 pm

IAD

GTF

12h 25m

1 stop

$355Alaska Airlines

Mon, Apr 20 - Wed, Apr 22

6:20 pm - 8:37 am

GTF

DCA

12h 17m

2 stops

5:00 pm - 10:44 pm

DCA

GTF

7h 44m

1 stop

$419Delta

Thu, Jul 9 - Tue, Jul 14

4:57 pm - 5:40 am

GTF

IAD

10h 43m

1 stop

7:05 am - 4:17 pm

IAD

GTF

11h 12m

1 stop

$438Alaska Airlines

Fri, Mar 6 - Fri, Mar 13

5:06 pm - 6:11 pm

GTF

BWI

23h 05m

1 stop

7:04 am - 5:35 pm

BWI

GTF

12h 31m

1 stop

$442Alaska Airlines

Mon, Apr 20 - Wed, Apr 22

5:06 pm - 8:00 pm

GTF

DCA

24h 54m

2 stops

8:00 am - 5:35 pm

DCA

GTF

11h 35m

1 stop

$466Alaska Airlines

Mon, Apr 20 - Wed, Apr 22

2:30 pm - 7:27 am

GTF

IAD

14h 57m

2 stops

2:21 pm - 9:17 pm

IAD

GTF

8h 56m

1 stop

$478United Airlines

Mon, Apr 20 - Wed, Apr 22

5:30 am - 11:55 pm

GTF

IAD

16h 25m

2 stops

7:00 am - 5:40 pm

IAD

GTF

12h 40m

2 stops

$519Delta

Mon, Apr 20 - Wed, Apr 22

6:25 am - 4:47 pm

GTF

IAD

8h 22m

1 stop

2:12 pm - 9:09 pm

IAD

GTF

8h 57m

1 stop

$523United Airlines

Tue, Mar 3 - Sat, Mar 7

6:20 pm - 9:36 am

GTF

BWI

13h 16m

2 stops

7:15 am - 12:27 pm

BWI

GTF

7h 12m

1 stop

$562Delta

Mon, Apr 20 - Wed, Apr 22

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

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

Delta

Jul 9

GTF6:20 pmGreat Falls

12h 17m

2 stops

DCA8:37 amWashington, D.C. Reagan-National

Jul 14

DCA5:00 pmWashington, D.C. Reagan-National

7h 44m

1 stop

GTF10:44 pmGreat Falls

$419

Delta

Apr 20

GTF5:30 amGreat Falls

16h 25m

2 stops

IAD11:55 pmWashington, D.C. Dulles Intl

Apr 22

IAD7:00 amWashington, D.C. Dulles Intl

12h 40m

2 stops

GTF5:40 pmGreat Falls

$519

Delta

Apr 20

GTF6:20 pmGreat Falls

13h 16m

2 stops

BWI9:36 amBaltimore/Washington

Apr 22

BWI7:15 amBaltimore/Washington

7h 12m

1 stop

GTF12:27 pmGreat Falls

$562

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

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

Alaska Airlines

Apr 20

GTF5:06 pmGreat Falls

10h 34m

1 stop

IAD5:40 amWashington, D.C. Dulles Intl

Apr 22

IAD7:10 amWashington, D.C. Dulles Intl

12h 25m

1 stop

GTF5:35 pmGreat Falls

$355

Alaska Airlines

Mar 6

GTF4:57 pmGreat Falls

10h 43m

1 stop

IAD5:40 amWashington, D.C. Dulles Intl

Mar 13

IAD7:05 amWashington, D.C. Dulles Intl

11h 12m

1 stop

GTF4:17 pmGreat Falls

$438

Alaska Airlines

Apr 20

GTF5:06 pmGreat Falls

23h 05m

1 stop

BWI6:11 pmBaltimore/Washington

Apr 22

BWI7:04 amBaltimore/Washington

12h 31m

1 stop

GTF5:35 pmGreat Falls

$442

momondo Fare Finder

Use the filters below to find and compare flights from Great Falls to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Thu 7/9

12:30 pm-10:49 pm

1 stop8h 19m

Washington, D.C. Reagan-National

Tue 7/14

6:30 am-11:23 am

1 stop6h 53m

$350

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Mon 4/20

5:06 pm-5:40 am

1 stop10h 34m

Washington, D.C. Dulles Intl

Wed 4/22

7:10 am-5:35 pm

1 stop12h 25m

$355

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Thu 7/9

6:20 pm-8:37 am

2 stops12h 17m

Washington, D.C. Reagan-National

Tue 7/14

5:00 pm-10:44 pm

1 stop7h 44m

$419

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Fri 3/6

4:57 pm-5:40 am

1 stop10h 43m

Washington, D.C. Dulles Intl

Fri 3/13

7:05 am-4:17 pm

1 stop11h 12m

$438

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Mon 4/20

5:06 pm-6:11 pm

1 stop23h 05m

Baltimore/Washington

Wed 4/22

7:04 am-5:35 pm

1 stop12h 31m

$442

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Mon 4/20

5:06 pm-8:00 pm

2 stops24h 54m

Washington, D.C. Reagan-National

Wed 4/22

8:00 am-5:35 pm

1 stop11h 35m

$466

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Mon 4/20

2:30 pm-7:27 am

2 stops14h 57m

Washington, D.C. Dulles Intl

Wed 4/22

2:21 pm-9:17 pm

1 stop8h 56m

$478

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Mon 4/20

5:30 am-11:55 pm

2 stops16h 25m

Washington, D.C. Dulles Intl

Wed 4/22

7:00 am-5:40 pm

2 stops12h 40m

$519

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Tue 3/3

6:25 am-4:47 pm

1 stop8h 22m

Washington, D.C. Dulles Intl

Sat 3/7

2:12 pm-9:09 pm

1 stop8h 57m

$523

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Mon 4/20

6:20 pm-9:36 am

2 stops13h 16m

Baltimore/Washington

Wed 4/22

7:15 am-12:27 pm

1 stop7h 12m

$562

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 Great Falls to Washington, D.C.

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

Prices

Airlines

Can stopping save me money on Great Falls to Washington, D.C. flights?

You could potentially save up to 41% on your flight if you consider stops on a Great Falls to Washington, D.C. flight.

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

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

Estimated round-trip price

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

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

Fastest flight time	6h 54m
Direct flights	None

The fastest flight from Great Falls to Washington, D.C. takes 6h 54m

There are no direct flights from Great Falls to Washington, D.C.. There are no popular flight routes from Great Falls to Washington, D.C..

Search flight deals

How far is Great Falls to Washington, D.C. by plane?
The distance between Great Falls and Washington, D.C. is about 1806.6 mi. Typically, this will take 6h 54m by plane in normal conditions.
When did momondo last update prices for flights from Great Falls Airport to Washington, D.C.?
Prices for flights from Great Falls Airport to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Great Falls Airport to Washington, D.C.?
As of February 2026, there is 1 operator available to choose from for flights from Great Falls Airport to Washington, D.C..
How old do you have to be to fly from Great Falls Airport to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Great Falls to Washington, D.C.?
Based on momondo bookings for flights between Great Falls and Washington, D.C., the leading airline is United Airlines, making up 59% of the total bookings. Other popular airlines include Delta with 41%.

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

Compare and see reviews for airlines that fly from Great Falls to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $398	Free Cancellation	Rating 7.4 9,321 reviews		Search United Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Tysons

Silver Spring

Towson

Fredericksburg

Gaithersburg

Rockville

Manassas

Springfield

Fairfax

Linthicum Heights

Bethesda

Glen Burnie

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Great Falls to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Washington, D.C. from Great Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Great Falls to Washington, D.C..

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

Yes. momondo can track prices for Great Falls to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Great Falls to Washington, D.C. from $174

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Washington, D.C. departing on 3/3. 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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Delta flights from Great Falls to Washington, D.C.

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

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

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

momondo Fare Finder

Use the filters below to find and compare flights from Great Falls to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Great Falls to Washington, D.C.

Can stopping save me money on Great Falls to Washington, D.C. flights?

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

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

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

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

Fastest flight time

Direct flights

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

Compare and see reviews for airlines that fly from Great Falls to Washington, D.C. with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

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

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

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

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

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

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