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 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.

$247 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.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:15 pm - 5:40 am

GTF

IAD

10h 25m

1 stop

9:35 am - 4:35 pm

IAD

GTF

9h 00m

1 stop

$388Alaska Airlines

Sat, Oct 24 - Tue, Oct 27

5:09 pm - 6:39 am

GTF

IAD

11h 30m

1 stop

6:03 am - 4:29 pm

IAD

GTF

12h 26m

1 stop

$449Alaska Airlines

Fri, Jul 3 - Mon, Jul 13

6:15 am - 2:56 pm

GTF

DCA

6h 41m

1 stop

4:07 pm - 10:30 pm

DCA

GTF

8h 23m

1 stop

$499United Airlines

Sat, Oct 24 - Tue, Oct 27

5:09 pm - 6:27 am

GTF

BWI

11h 18m

1 stop

6:07 pm - 4:29 pm

BWI

GTF

24h 22m

1 stop

$499Alaska Airlines

Thu, Aug 6 - Mon, Aug 10

5:15 pm - 9:59 pm

GTF

DCA

26h 44m

1 stop

8:00 am - 4:17 pm

DCA

GTF

10h 17m

1 stop

$500Alaska Airlines

Fri, Oct 30 - Tue, Nov 3

5:09 pm - 6:39 am

GTF

IAD

11h 30m

1 stop

7:53 pm - 4:29 pm

IAD

GTF

22h 36m

2 stops

$515Alaska Airlines

Fri, Jul 3 - Mon, Jul 13

2:25 pm - 11:19 pm

GTF

IAD

6h 54m

1 stop

8:15 am - 10:30 pm

IAD

GTF

16h 15m

2 stops

$567United Airlines

Sat, Oct 24 - Tue, Oct 27

10:18 am - 12:28 pm

GTF

IAD

24h 10m

2 stops

9:55 am - 9:28 am

IAD

GTF

25h 33m

1 stop

$591Multiple Airlines

Fri, Jun 12 - Thu, Jun 18

6:25 pm - 6:00 am

GTF

BWI

9h 35m

1 stop

7:15 am - 12:37 pm

BWI

GTF

7h 22m

1 stop

$648Delta

Tue, Jul 7 - Tue, Jul 14

6:25 pm - 10:18 am

GTF

DCA

13h 53m

2 stops

6:06 am - 5:42 pm

DCA

GTF

13h 36m

2 stops

$734Delta

Fri, Jul 3 - Mon, Jul 13

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

Oct 24

GTF5:15 pmGreat Falls

10h 25m

1 stop

IAD5:40 amWashington, D.C. Dulles Intl

Oct 27

IAD9:35 amWashington, D.C. Dulles Intl

9h 00m

1 stop

GTF4:35 pmGreat Falls

$388

Alaska Airlines

Jul 3

GTF5:09 pmGreat Falls

11h 30m

1 stop

IAD6:39 amWashington, D.C. Dulles Intl

Jul 13

IAD6:03 amWashington, D.C. Dulles Intl

12h 26m

1 stop

GTF4:29 pmGreat Falls

$449

Alaska Airlines

Aug 6

GTF5:09 pmGreat Falls

11h 18m

1 stop

BWI6:27 amBaltimore/Washington

Aug 10

BWI6:07 pmBaltimore/Washington

24h 22m

1 stop

GTF4:29 pmGreat Falls

$499

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

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

United Airlines

Oct 24

GTF6:15 amGreat Falls

6h 41m

1 stop

DCA2:56 pmWashington, D.C. Reagan-National

Oct 27

DCA4:07 pmWashington, D.C. Reagan-National

8h 23m

1 stop

GTF10:30 pmGreat Falls

$499

United Airlines

Jun 12

GTF2:37 pmGreat Falls

8h 08m

1 stop

IAD12:45 amWashington, D.C. Dulles Intl

Jun 16

IAD2:35 pmWashington, D.C. Dulles Intl

8h 59m

1 stop

GTF9:34 pmGreat Falls

$540

United Airlines

Oct 24

GTF2:25 pmGreat Falls

6h 54m

1 stop

IAD11:19 pmWashington, D.C. Dulles Intl

Oct 27

IAD8:15 amWashington, D.C. Dulles Intl

16h 15m

2 stops

GTF10:30 pmGreat Falls

$567

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

Cheapest round-trip

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Sat 10/24

5:15 pm-5:40 am

1 stop10h 25m

Washington, D.C. Dulles Intl

Tue 10/27

9:35 am-4:35 pm

1 stop9h 00m

$388

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Fri 7/3

5:09 pm-6:39 am

1 stop11h 30m

Washington, D.C. Dulles Intl

Mon 7/13

6:03 am-4:29 pm

1 stop12h 26m

$449

Quickest round-trip

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Sat 10/24

6:15 am-2:56 pm

1 stop6h 41m

Washington, D.C. Reagan-National

Tue 10/27

4:07 pm-10:30 pm

1 stop8h 23m

$499

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Thu 8/6

5:09 pm-6:27 am

1 stop11h 18m

Baltimore/Washington

Mon 8/10

6:07 pm-4:29 pm

1 stop24h 22m

$499

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Fri 10/30

5:15 pm-9:59 pm

1 stop26h 44m

Washington, D.C. Reagan-National

Tue 11/3

8:00 am-4:17 pm

1 stop10h 17m

$500

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Fri 7/3

5:09 pm-6:39 am

1 stop11h 30m

Washington, D.C. Dulles Intl

Mon 7/13

7:53 pm-4:29 pm

2 stops22h 36m

$515

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Sat 10/24

2:25 pm-11:19 pm

1 stop6h 54m

Washington, D.C. Dulles Intl

Tue 10/27

8:15 am-10:30 pm

2 stops16h 15m

$567

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Fri 6/12

10:18 am-12:28 pm

2 stops24h 10m

Washington, D.C. Dulles Intl

Thu 6/18

9:55 am-9:28 am

1 stop25h 33m

$591

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Tue 7/7

6:25 pm-6:00 am

1 stop9h 35m

Baltimore/Washington

Tue 7/14

7:15 am-12:37 pm

1 stop7h 22m

$648

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Fri 7/3

6:25 pm-10:18 am

2 stops13h 53m

Washington, D.C. Reagan-National

Mon 7/13

6:06 am-5:42 pm

2 stops13h 36m

$734

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 3% 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 35m
Direct flights	None

The fastest flight from Great Falls to Washington, D.C. takes 6h 35m

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..

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

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 35m 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 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 58% of the total bookings. Other popular airlines include Delta with 42%.

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 $299	Free Cancellation	Rating 7.4 9,768 reviews		Search United Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Gaithersburg

Colonial Beach

Fredericksburg

Silver Spring

Rockville

Towson

Manassas

Linthicum Heights

Tysons

Springfield

Bethesda

Fairfax

College Park

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 $247

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 8/10. 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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Alaska Airlines flights from Great Falls to Washington, D.C.

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

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

Our best United 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

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

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?

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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