What is the cheapest airline that flies from Great Falls to District of Columbia?

United Airlines and Alaska Airlines are the most popular carriers operating from Great Falls to District of Columbia

When did momondo last update prices for flights from Great Falls Airport to District of Columbia?

Prices for flights from Great Falls Airport to District of Columbia refresh daily.

How old do you have to be to fly from Great Falls Airport to District of Columbia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Great Falls Airport to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The required travel and health documents for your District of Columbia 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 District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$309 Cheap Flights from Great Falls to District of Columbia in 2026

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Find the cheapest flights from Great Falls to District of Columbia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:10 pm - 11:46 pm

GTF

IAD

8h 36m

1 stop

7:15 am - 12:27 pm

IAD

GTF

7h 12m

1 stop

$338Delta

Tue, Oct 20 - Sat, Oct 24

6:20 pm - 9:11 am

GTF

IAD

12h 51m

2 stops

7:15 am - 12:27 pm

IAD

GTF

7h 12m

1 stop

$344Delta

Tue, Oct 20 - Sat, Oct 24

6:20 pm - 10:24 am

GTF

DCA

14h 04m

2 stops

5:00 pm - 10:53 pm

DCA

GTF

7h 53m

1 stop

$344Delta

Tue, Oct 20 - Sat, Oct 24

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

2:37 pm - 12:45 am

GTF

IAD

8h 08m

1 stop

6:10 am - 11:46 am

IAD

GTF

7h 36m

1 stop

$471United Airlines

Fri, Jul 3 - Tue, Jul 28

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 - 6:39 am

GTF

IAD

11h 30m

1 stop

7:53 pm - 4:29 pm

IAD

GTF

22h 36m

2 stops

$515Alaska Airlines

Wed, Jul 22 - Mon, Jul 27

2:37 pm - 11:32 pm

GTF

IAD

6h 55m

1 stop

6:30 am - 1:41 pm

IAD

GTF

9h 11m

1 stop

$516United Airlines

Sat, Jun 6 - Wed, Jun 10

5:09 pm - 6:39 am

GTF

IAD

11h 30m

1 stop

6:14 pm - 4:29 pm

IAD

GTF

24h 15m

1 stop

$518Alaska Airlines

Wed, Jul 22 - Mon, Jul 27

2:37 pm - 12:45 am

GTF

IAD

8h 08m

1 stop

6:30 am - 1:41 pm

IAD

GTF

9h 11m

1 stop

$554United Airlines

Thu, Jun 4 - Mon, Jun 8

Alaska Airlines flights from Great Falls to District of Columbia

Our best Alaska Airlines deals on Great Falls to District of Columbia 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 22

GTF5:09 pmGreat Falls

11h 30m

1 stop

IAD6:39 amWashington, D.C. Dulles Intl

Jul 27

IAD7:53 pmWashington, D.C. Dulles Intl

22h 36m

2 stops

GTF4:29 pmGreat Falls

$515

Alaska Airlines

Jul 22

GTF5:09 pmGreat Falls

11h 30m

1 stop

IAD6:39 amWashington, D.C. Dulles Intl

Jul 27

IAD6:14 pmWashington, D.C. Dulles Intl

24h 15m

1 stop

GTF4:29 pmGreat Falls

$518

United Airlines flights from Great Falls to District of Columbia

Our best United Airlines deals on Great Falls to District of Columbia flight tickets

United Airlines

Jul 3

GTF2:37 pmGreat Falls

8h 08m

1 stop

IAD12:45 amWashington, D.C. Dulles Intl

Jul 28

IAD6:10 amWashington, D.C. Dulles Intl

7h 36m

1 stop

GTF11:46 amGreat Falls

$471

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 6

GTF2:37 pmGreat Falls

6h 55m

1 stop

IAD11:32 pmWashington, D.C. Dulles Intl

Jun 10

IAD6:30 amWashington, D.C. Dulles Intl

9h 11m

1 stop

GTF1:41 pmGreat Falls

$516

momondo Fare Finder

Use the filters below to find and compare flights from Great Falls to District of Columbia 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

Tue 10/20

1:10 pm-11:46 pm

1 stop8h 36m

Washington, D.C. Dulles Intl

Sat 10/24

7:15 am-12:27 pm

1 stop7h 12m

$338

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Tue 10/20

6:20 pm-9:11 am

2 stops12h 51m

Washington, D.C. Dulles Intl

Sat 10/24

7:15 am-12:27 pm

1 stop7h 12m

$344

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 10/20

6:20 pm-10:24 am

2 stops14h 04m

Washington, D.C. Reagan-National

Sat 10/24

5:00 pm-10:53 pm

1 stop7h 53m

$344

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

2:37 pm-12:45 am

1 stop8h 08m

Washington, D.C. Dulles Intl

Tue 7/28

6:10 am-11:46 am

1 stop7h 36m

$471

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 FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Wed 7/22

5:09 pm-6:39 am

1 stop11h 30m

Washington, D.C. Dulles Intl

Mon 7/27

7:53 pm-4:29 pm

2 stops22h 36m

$515

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Sat 6/6

2:37 pm-11:32 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Wed 6/10

6:30 am-1:41 pm

1 stop9h 11m

$516

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Wed 7/22

5:09 pm-6:39 am

1 stop11h 30m

Washington, D.C. Dulles Intl

Mon 7/27

6:14 pm-4:29 pm

1 stop24h 15m

$518

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Thu 6/4

2:37 pm-12:45 am

1 stop8h 08m

Washington, D.C. Dulles Intl

Mon 6/8

6:30 am-1:41 pm

1 stop9h 11m

$554

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 District of Columbia

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 District of Columbia flights?

You could potentially save up to 3% on your flight if you consider stops on a Great Falls to District of Columbia flight.

Cheap Great Falls to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to District of Columbia

Fastest flight time	6h 44m
Direct flights	None

The fastest flight from Great Falls to District of Columbia takes 6h 44m

There are no direct flights from Great Falls to District of Columbia. There are no popular flight routes from Great Falls to District of Columbia.

Search flight deals

Frequently asked questions about flying from Great Falls to District of Columbia

When did momondo last update prices for flights from Great Falls Airport to District of Columbia?
Prices for flights from Great Falls Airport to District of Columbia refresh daily.
How old do you have to be to fly from Great Falls Airport to District of Columbia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Great Falls Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The required travel and health documents for your District of Columbia 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 District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to District of Columbia?

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 Great Falls to District of Columbia for you.

Can I find flights from Great Falls to District of Columbia with flexible booking policies on momondo?

All flight searches from Great Falls to District of Columbia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Great Falls to District of Columbia?

momondo provides multiple filters to help you find the best flight to District of Columbia from Great Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Great Falls to District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Great Falls to District of Columbia 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.