Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Great Falls?

Flights from Washington, D.C. Dulles Intl Airport to Great Falls usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Great Falls (GTF).

What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Great Falls?

Only Economy Class is available on flights from Washington, D.C. Dulles Intl Airport to Great Falls.

Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Great Falls pass through?

One-stop flights from Washington, D.C. Dulles Intl Airport to Great Falls most commonly connect through: • Denver Intl (DEN) - 83% of one-stop connections • Seattle/Tacoma Intl (SEA) - 8% of one-stop connections • Salt Lake City (SLC) - 6% of one-stop connections • Chicago O'Hare Intl (ORD) - 3% of one-stop connections Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Great Falls?

Yes. Being flexible with your travel dates can save you up to 44% on the Washington, D.C. Dulles Intl Airport to Great Falls route. Monday is the cheapest departure day at $482 round-trip on average, while Thursday is the most expensive at $852, a difference of $370. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Great Falls?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Great Falls?

Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 7h 01m, compared with 7h 27m via Denver Intl (DEN) and 7h 52m via Salt Lake City (SLC).

What is the time difference between Washington, D.C. Dulles Intl Airport and Great Falls?

Great Falls is 2 hours behind Washington, D.C. Dulles Intl Airport (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Great Falls Airport (GTF)?

Great Falls Airport (GTF) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include: • Avis • Budget • Alamo • Hertz • Enterprise Rent-A-Car

How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Great Falls flight?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Great Falls range from $479 to $762, with an average of $603 over the past 12 months. Anything below $479 counts as a good deal.

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Great Falls?

Delta ($374) and Alaska Airlines ($447) are the cheapest airlines to fly round-trip from Washington, D.C. Dulles Intl Airport to Great Falls according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Washington, D.C. Dulles Intl Airport to Great Falls?

Denver Intl (DEN) is the most popular layover for the Washington, D.C. Dulles Intl Airport to Great Falls route. 83% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DEN.

What is the cheapest layover airport when flying from Washington, D.C. Dulles Intl Airport to Great Falls?

Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average round-trip price of $395. Based on KAYAK data over the past 3 months.

When flying from Washington, D.C. Dulles Intl Airport to Great Falls which airport offers the shortest layover?

Chicago O'Hare Intl (ORD) had the shortest average connection time for Washington, D.C. Dulles Intl Airport to Great Falls layovers at 255 minutes over the past 3 months.

$208 CHEAP FLIGHTS from Washington Dulles to Great Falls (IAD - GTF)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$374

Typical prices: $479-$762

Delta

Thu 11/1Wed 11/14

IAD - GTF • 1 stop

Cheapest one-way

$208

Typical prices: $228-$415

United Airlines

Fri 11/2

IAD - GTF • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Great Falls. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

March

Cheapest • 44% price drop

June

Most popular

Good to know

Top layover airports

Chicago O'Hare Intl (ORD)

Cheapest • Avg $395 (round-trip)

Denver Intl (DEN)

Shortest trip • 7h 27m (one-way)

Insights

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We hope you love your trip to Great Falls!

Flight Deals

Cheap Flights from Dulles Intl to Great Falls (IAD-GTF)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Dulles Intl to Great Falls

Sun, Nov 1 - Sat, Nov 14

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

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

$398Delta

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

$447Alaska Airlines

Tue, Sep 29 - Sat, Oct 3

4:12 pm - 9:22 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

7h 10m1 stop Denver Intl

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

6h 48m1 stop Denver Intl

$449United Airlines

Sun, Nov 1 - Sat, Nov 14

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

$454Delta

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

7:05 am - 4:19 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

11h 14m1 stop Seattle/Tacoma Intl

4:59 pm - 5:44 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

10h 45m1 stop Seattle/Tacoma Intl

$458Alaska Airlines

Sun, Nov 1 - Sat, Nov 14

6:05 am - 12:38 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

8h 33m2 stops Detroit Metropolitan Wayne County 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

$459Delta

Sat, Oct 24 - Wed, Oct 28

2:43 pm - 9:22 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

8h 39m1 stop Denver Intl

2:45 pm - 11:15 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

6h 30m1 stop Denver Intl

$468United Airlines

Wed, Sep 30 - Mon, Oct 5

7:00 am - 4:39 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

11h 39m1 stop Seattle/Tacoma Intl

5:15 pm - 5:40 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

10h 25m1 stop Seattle/Tacoma Intl

$483Alaska Airlines

Recent last minute flight deals from Dulles Intl to Great Falls

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

$489Delta

Wed, Sep 23 - Wed, Sep 30

2:43 pm - 9:12 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

8h 29m1 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

$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

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

Fri, Sep 18 - Wed, Sep 23

5:57 pm - 4:39 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

24h 42m1 stop Seattle/Tacoma Intl

5:19 pm - 5:40 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

10h 21m1 stop Seattle/Tacoma Intl

$738Alaska 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

$744Delta

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

Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Great Falls flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Great Falls with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Great Falls?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Great Falls start at $374. Prices are below average for this route right now, with typical round-trip fares ranging from $479 to $762. The lowest price found in the past 5 days was $374 on Delta.

Find deals

Low season	February
High season	June
Cheapest flight	$208

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly and prices are also 31% lower on average.

Flight from Washington, D.C. Dulles Intl Airport to Great Falls

When to book flights from Dulles Intl to Great Falls

Are your dates flexible? Find out the best times to travel from Dulles Intl to Great Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Great Falls?
Flights from Washington, D.C. Dulles Intl Airport to Great Falls usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Great Falls (GTF).
What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Great Falls?
Only Economy Class is available on flights from Washington, D.C. Dulles Intl Airport to Great Falls.
Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Great Falls pass through?
One-stop flights from Washington, D.C. Dulles Intl Airport to Great Falls most commonly connect through:

• Denver Intl (DEN) - 83% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 8% of one-stop connections
• Salt Lake City (SLC) - 6% of one-stop connections
• Chicago O'Hare Intl (ORD) - 3% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Great Falls?
Yes. Being flexible with your travel dates can save you up to 44% on the Washington, D.C. Dulles Intl Airport to Great Falls route. Monday is the cheapest departure day at $482 round-trip on average, while Thursday is the most expensive at $852, a difference of $370. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How long is a flight from Washington, D.C. Dulles Intl Airport to Great Falls?
A nonstop flight from Washington, D.C. Dulles Intl Airport to Great Falls takes 0h 00m, covering 1,789 miles.
Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Great Falls?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Washington, D.C. Dulles Intl Airport to Great Falls changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $374 to $1,971. That means the highest observed fare was about 5x higher than the lowest one.
How are flight prices from Washington, D.C. Dulles Intl Airport to Great Falls looking right now?
One-way fares from Washington, D.C. Dulles Intl Airport to Great Falls are currently lower than usual. Average one-way flight prices are about $253, which is 22% below the typical average for this route.
How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Great Falls?
Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 7h 01m, compared with 7h 27m via Denver Intl (DEN) and 7h 52m via Salt Lake City (SLC).
What is the time difference between Washington, D.C. Dulles Intl Airport and Great Falls?
Great Falls is 2 hours behind Washington, D.C. Dulles Intl Airport (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Great Falls Airport (GTF)?
Great Falls Airport (GTF) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
• Avis
• Budget
• Alamo
• Hertz
• Enterprise Rent-A-Car
How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Great Falls flight?
Round-trip flights from Washington, D.C. Dulles Intl Airport to Great Falls range from $479 to $762, with an average of $603 over the past 12 months. Anything below $479 counts as a good deal.

If your dates can be flexible, aim for a Monday departure instead of Thursday. On this route, Monday flights average $482 - about $370 less than Thursday (43% savings) based on the last 12 months.
If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Great Falls trip for March. Fares historically average $337 round-trip in that month - typically $446 less than the most expensive month, which is November (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Great Falls Airport.
- Crystal Inn Hotel & Suites - Great Falls
- Hilton Garden Inn Great Falls
- Hampton Inn Great Falls

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IAD - GTF

$208 Find Cheap Flights from Washington Dulles Airport to Great Falls - Compare and Save

Everything you should know

Cheap Flights from Dulles Intl to Great Falls (IAD-GTF)

Recent round-trip flight deals from Dulles Intl to Great Falls

Recent one-way flight deals from Dulles Intl to Great Falls

Recent last minute flight deals from Dulles Intl to Great Falls

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Great Falls flights

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Great Falls?

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Great Falls?

What is the most popular layover airport when flying from Washington, D.C. Dulles Intl Airport to Great Falls?

What is the cheapest layover airport when flying from Washington, D.C. Dulles Intl Airport to Great Falls?

When flying from Washington, D.C. Dulles Intl Airport to Great Falls which airport offers the shortest layover?

Key details for Washington, D.C. Dulles Intl Airport to Great Falls flights

Low season

High season

Cheapest flight

When to book flights from Dulles Intl to Great Falls

Your Washington, D.C. Dulles Intl Airport to Great Falls flight questions, answered

Your guide to booking Washington, D.C. Dulles Intl Airport to Great Falls flights

More options for your flight from Dulles Intl to Great Falls

Complete your trip to Great Falls with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights to Great Falls

Find direct flights to and from Dulles Intl and Great Falls

Flights from domestic origins to Great Falls

Flights to other popular destinations

Find deals for your return flight