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Cheap flights from Great Falls to Washington, D.C. from $264

1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:45 pm - 11:15 pmGTF  Great Falls-IAD Washington, D.C. Dulles Intl
6h 30m1 stop Denver Intl
United Airlines Logo
6:10 am - 1:49 pmIAD  Washington, D.C. Dulles Intl-GTF Great Falls
9h 39m1 stop Denver Intl
$348United Airlines
Thu, Nov 5 - Mon, Nov 9
Delta Logo
6:27 pm - 9:19 amGTF  Great Falls-IAD Washington, D.C. Dulles Intl
12h 52m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
6:13 am - 12:38 pmIAD  Washington, D.C. Dulles Intl-GTF Great Falls
8h 25m1 stop Salt Lake City
$354Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
6:27 pm - 9:19 amGTF  Great Falls-IAD Washington, D.C. Dulles Intl
12h 52m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
7:23 am - 5:47 pmIAD  Washington, D.C. Dulles Intl-GTF Great Falls
12h 24m2 stops Minneapolis St Paul Salt Lake City
$359Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
6:27 pm - 9:19 amGTF  Great Falls-IAD Washington, D.C. Dulles Intl
12h 52m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
6:13 am - 12:38 pmIAD  Washington, D.C. Dulles Intl-GTF Great Falls
8h 25m1 stop Salt Lake City
$414Delta
Tue, Oct 20 - Sat, Oct 24
United Airlines Logo
2:25 pm - 11:19 pmGTF  Great Falls-IAD Washington, D.C. Dulles Intl
6h 54m1 stop Denver Intl
United Airlines Logo
4:15 pm - 9:12 pmIAD  Washington, D.C. Dulles Intl-GTF Great Falls
6h 57m1 stop Denver Intl
$418United Airlines
Tue, Sep 1 - Sat, Sep 5
Delta Logo
6:27 pm - 9:19 amGTF  Great Falls-IAD Washington, D.C. Dulles Intl
12h 52m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 5:47 pmIAD  Washington, D.C. Dulles Intl-GTF Great Falls
13h 47m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$419Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
1:18 pm - 11:35 pmGTF  Great Falls-IAD Washington, D.C. Dulles Intl
8h 17m1 stop Salt Lake City
Delta Logo
6:13 am - 12:38 pmIAD  Washington, D.C. Dulles Intl-GTF Great Falls
8h 25m1 stop Salt Lake City
$428Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
1:18 pm - 11:35 pmGTF  Great Falls-IAD Washington, D.C. Dulles Intl
8h 17m1 stop Salt Lake City
Delta Logo
6:13 am - 12:38 pmIAD  Washington, D.C. Dulles Intl-GTF Great Falls
8h 25m1 stop Salt Lake City
$430Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
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
Delta Logo
6:13 am - 12:38 pmIAD  Washington, D.C. Dulles Intl-GTF Great Falls
8h 25m1 stop Salt Lake City
$434Delta
Fri, Oct 2 - Wed, Oct 7
United Airlines Logo
6:15 am - 3:49 pmGTF  Great Falls-IAD Washington, D.C. Dulles Intl
7h 34m1 stop Denver Intl
United Airlines Logo
2:43 pm - 9:12 pmIAD  Washington, D.C. Dulles Intl-GTF Great Falls
8h 29m1 stop Denver Intl
$445United Airlines
Sun, Sep 6 - Fri, Sep 11

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

Our best United Airlines deals on Great Falls to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Nov 5
GTF2:45 pmGreat Falls
6h 30m
1 stop
IAD11:15 pmWashington, D.C. Dulles Intl
Nov 9
IAD6:10 amWashington, D.C. Dulles Intl
9h 39m
1 stop
GTF1:49 pmGreat Falls
$348
United Airlines
Sep 1
GTF2:25 pmGreat Falls
6h 54m
1 stop
IAD11:19 pmWashington, D.C. Dulles Intl
Sep 5
IAD4:15 pmWashington, D.C. Dulles Intl
6h 57m
1 stop
GTF9:12 pmGreat Falls
$418
United Airlines
Sep 6
GTF6:15 amGreat Falls
7h 34m
1 stop
IAD3:49 pmWashington, D.C. Dulles Intl
Sep 11
IAD2:43 pmWashington, D.C. Dulles Intl
8h 29m
1 stop
GTF9:12 pmGreat Falls
$445

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

Our best Alaska Airlines deals on Great Falls to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Oct 6
GTF5:15 pmGreat Falls
22h 35m
2 stops
IAD5:50 pmWashington, D.C. Dulles Intl
Oct 16
IAD5:33 pmWashington, D.C. Dulles Intl
25h 02m
1 stop
GTF4:35 pmGreat Falls
$556
Alaska Airlines
Oct 6
GTF5:15 pmGreat Falls
22h 35m
2 stops
IAD5:50 pmWashington, D.C. Dulles Intl
Oct 16
IAD7:24 pmWashington, D.C. Dulles Intl
23h 11m
2 stops
GTF4:35 pmGreat Falls
$583
Alaska Airlines
Sep 9
GTF5:19 pmGreat Falls
10h 21m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
Sep 15
IAD5:57 pmWashington, D.C. Dulles Intl
24h 42m
1 stop
GTF4:39 pmGreat Falls
$790

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

Great FallsWashington, D.C.

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

GTFIAD

Great Falls

Thu 11/5

2:45 pm-11:15 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Mon 11/9

6:10 am-1:49 pm

1 stop9h 39m

$348

Great FallsWashington, D.C.

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

GTFIAD

Great Falls

Tue 10/20

6:27 pm-9:19 am

2 stops12h 52m

Washington, D.C. Dulles Intl

Sat 10/24

6:13 am-12:38 pm

1 stop8h 25m

$354

Great FallsWashington, D.C.

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

GTFIAD

Great Falls

Tue 10/20

6:27 pm-9:19 am

2 stops12h 52m

Washington, D.C. Dulles Intl

Sat 10/24

7:23 am-5:47 pm

2 stops12h 24m

$359

Great FallsWashington, D.C.

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

GTFIAD

Great Falls

Tue 10/20

6:27 pm-9:19 am

2 stops12h 52m

Washington, D.C. Dulles Intl

Sat 10/24

6:13 am-12:38 pm

1 stop8h 25m

$414
Quickest round-trip

Great FallsWashington, D.C.

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

GTFIAD

Great Falls

Tue 9/1

2:25 pm-11:19 pm

1 stop6h 54m

Washington, D.C. Dulles Intl

Sat 9/5

4:15 pm-9:12 pm

1 stop6h 57m

$418

Great FallsWashington, D.C.

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

GTFIAD

Great Falls

Tue 10/20

6:27 pm-9:19 am

2 stops12h 52m

Washington, D.C. Dulles Intl

Sat 10/24

6:00 am-5:47 pm

2 stops13h 47m

$419

Great FallsWashington, D.C.

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

GTFIAD

Great Falls

Tue 10/20

1:18 pm-11:35 pm

1 stop8h 17m

Washington, D.C. Dulles Intl

Sat 10/24

6:13 am-12:38 pm

1 stop8h 25m

$428

Great FallsWashington, D.C.

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

GTFIAD

Great Falls

Tue 10/20

1:18 pm-11:35 pm

1 stop8h 17m

Washington, D.C. Dulles Intl

Sat 10/24

6:13 am-12:38 pm

1 stop8h 25m

$430

Great FallsWashington, D.C.

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

GTFIAD

Great Falls

Fri 10/2

6:21 pm-11:45 am

2 stops15h 24m

Washington, D.C. Dulles Intl

Wed 10/7

6:13 am-12:38 pm

1 stop8h 25m

$434

Great FallsWashington, D.C.

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

GTFIAD

Great Falls

Sun 9/6

6:15 am-3:49 pm

1 stop7h 34m

Washington, D.C. Dulles Intl

Fri 9/11

2:43 pm-9:12 pm

1 stop8h 29m

$445

Flights are sorted by cheapest round-trip flights first.

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

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

You could potentially save up to 53% on your flight if you consider stops on a Great Falls to Washington, D.C. Dulles Intl Airport flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (GTF to IAD) flight deals and tips

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

Best Price Found

$264

Fastest flight time

6h 30m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Great Falls in the past 72 hours is $264. The best round-trip flight deal from Great Falls to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $348.
The fastest flight from Great Falls to Washington, D.C. Dulles Intl Airport takes 6h 30m
There are no direct flights from Great Falls to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Great Falls to Washington, D.C. Dulles Intl Airport.
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Frequently asked questions about flying from Great Falls to Washington, D.C. Dulles Intl Airport

  • How far is Great Falls to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Great Falls to Washington, D.C. Dulles Intl is 1785.9 mi. A reasonable flight in good conditions will take 6h 30m.

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

    Prices for flights from Great Falls Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Sterling
Springfield
Colonial Beach
Fairfax
Edgewood
Tysons

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Great Falls.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Great Falls with this policy.

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

Once you have performed a search for Great Falls to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Washington, D.C. from Great Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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