What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Great Falls round-trip?

Flying on Alaska Airlines is currently your cheapest option to Great Falls, with prices starting at $454. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $508 and $522, respectively. Alaska Airlines is currently priced 31% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Great Falls one-way?

The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $233. However, be on the lookout for offers from Delta and Hawaiian Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Great Falls for a low price.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Great Falls?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Great Falls (average of $367). Flying from Washington, D.C. Dulles Intl Airport to Great Falls in June is currently the most expensive (average of $605). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Great Falls flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Great Falls?

Users have found that flying from Washington, D.C. Dulles Intl Airport to Great Falls on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

The best pricing can be found in the month of February. Prices to Great Falls from Washington, D.C. Dulles Intl Airport average $728. You can even find prices in February for less than $728, as users have found deals to Great Falls from as low as $510. The month of May appears to be one of the more expensive times to travel to Great Falls from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 54%.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Great Falls flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Great Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Great Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Great Falls from Washington, D.C. Dulles Intl?

Great Falls (GTF), located 3.5 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Great Falls. 1 airline have flights to Great Falls from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Great Falls should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

Can I find deals for flights from Dulles Intl to Great Falls that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Great Falls?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Great Falls.

Can I find deals for business class flights from Dulles Intl to Great Falls?

Yes. Cheapflights offers flight deals from Dulles Intl to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$233+ Flights from Washington, D.C. Dulles Intl Airport to Great Falls

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dulles Intl to Great Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Great Falls

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$454 (Alaska Airlines)
One-way from	$233 (Alaska Airlines)
Popular in	December
Cheapest in	March
Average price	$384

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Great Falls flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Great Falls flights.

Search Deals

From Washington, D.C. Dulles Intl to Great Falls

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Great Falls

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($197 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($48 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Dulles Intl to Great Falls

Cheapest flights from Dulles Intl to Great Falls
Explore the most affordable flight options available from Dulles Intl to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on april 9, 2025.

vr 9/59:00 amIAD - GTF

1 stop8h 43mAlaska Airlines

ma 9/84:23 pmGTF - IAD

1 stop13h 09mAlaska Airlines

Deal found 4/8

$454

ma 8/42:39 pmIAD - GTF

1 stop8h 34mUnited Airlines

ma 8/116:25 amGTF - IAD

1 stop7h 07mUnited Airlines

Deal found 4/8

$508

wo 6/111:00 pmIAD - GTF

2 stops11h 41mDelta

ma 6/166:18 pmGTF - IAD

2 stops12h 42mDelta

Deal found 4/8

$522

vr 7/186:30 amIAD - GTF

1 stop9h 06mMultiple Airlines

vr 7/184:55 pmGTF - IAD

2 stops11h 55mMultiple Airlines

Deal found 4/8

$931

Best flights from Dulles Intl to Great Falls
Discover carefully curated flight deals from Dulles Intl to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated april 9, 2025.

vr 9/59:00 amIAD - GTF

1 stop8h 43mAlaska Airlines

ma 9/84:23 pmGTF - IAD

1 stop13h 09mAlaska Airlines

Deal found 4/8

$454

ma 8/42:39 pmIAD - GTF

1 stop8h 34mUnited Airlines

ma 8/116:25 amGTF - IAD

1 stop7h 07mUnited Airlines

Deal found 4/8

$508

wo 6/111:00 pmIAD - GTF

2 stops11h 41mDelta

ma 6/166:18 pmGTF - IAD

2 stops12h 42mDelta

Deal found 4/8

$522

vr 7/186:30 amIAD - GTF

1 stop9h 06mMultiple Airlines

vr 7/184:55 pmGTF - IAD

2 stops11h 55mMultiple Airlines

Deal found 4/8

$931

Last-minute flights from Dulles Intl to Great Falls
Discover last-minute flight deals from Dulles Intl to Great Falls. Data last updated april 9, 2025 and is based on user searches.

wo 4/168:30 amIAD - GTF

1 stop14h 45mUnited Airlines

wo 4/236:40 amGTF - IAD

1 stop10h 09mUnited Airlines

Deal found 4/7

$610

za 4/266:00 amIAD - GTF

2 stops13h 55mDelta

ma 5/2611:45 amGTF - IAD

2 stops16h 07mDelta

Deal found 4/7

$664

ma 5/56:30 amIAD - GTF

1 stop12h 57mAlaska Airlines

ma 5/126:07 pmGTF - IAD

1 stop11h 36mAlaska Airlines

Deal found 4/7

$384

One-way flights from Dulles Intl to Great Falls
Search for one-way flight options from Dulles Intl to Great Falls. Find affordable one-way fares based on user searches. Data last updated april 9, 2025.

di 8/126:13 pmIAD - GTF

1 stop24h 00mAlaska Airlines

Deal found 4/8

$233

di 8/1210:05 amIAD - GTF

2 stops14h 38mDelta

Deal found 4/8

$256

vr 7/49:00 amIAD - GTF

1 stop9h 13mHawaiian Airlines

Deal found 4/9

$314

wo 4/168:00 amIAD - GTF

2 stops37h 23mMultiple Airlines

Deal found 4/8

$324

vr 7/410:05 pmIAD - GTF

2 stops17h 31mUnited Airlines

Deal found 4/9

$334

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

ma 5/5

6:30 am-5:27 pm

1 stop12h 57m

Great Falls

ma 5/12

6:07 pm-7:43 am

1 stop11h 36m

$384

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

za 7/5

6:30 am-1:36 pm

1 stop9h 06m

Great Falls

za 7/12

2:35 pm-12:45 am

1 stop8h 10m

$530

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

zo 6/29

7:10 am-5:38 pm

2 stops12h 28m

Great Falls

do 7/10

6:20 pm-8:42 am

2 stops12h 22m

$656

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

vr 7/18

6:30 am-1:36 pm

1 stop9h 06m

Great Falls

vr 7/18

4:55 pm-6:50 am

2 stops11h 55m

$931

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

di 8/12

6:13 pm-4:13 pm

1 stop24h 00m

$233

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

di 8/12

10:05 am-10:43 pm

2 stops14h 38m

$256

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

di 8/12

3:56 pm-9:13 pm

1 stop7h 17m

$272

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

vr 7/4

9:00 am-4:13 pm

1 stop9h 13m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Compare providers for flights from Dulles Intl to Great Falls

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Great Falls in April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Great Falls flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Great Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Great Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Great Falls

What is the cheapest time of day to fly from IAD to GTF?

Unlike in the morning, when flights are generally more expensive, you can save up to 24% on flights from Washington, D.C. Dulles Intl Airport to Great Falls by exploring options for tickets at noon.

Rainfall in Great Falls by month

In terms of precipitation, rainfall in Great Falls ranges from 0.5 - 2.5 inches per month. June is typically the wettest month, when rainfall can reach 2.5 in. January is typically the driest time to visit Great Falls when rainfall is around 0.5 in.

Temperature in Great Falls by month

If weather is an important factor for your trip to Great Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Great Falls

Alaska Airlines

8.0

Very good

9,847 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,847 reviews

Alaska Airlines

8.0

Very good

9,847 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,902 reviews

Alaska Airlines

8.0

Very good

9,847 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,361 reviews

Alaska Airlines

8.0

Very good

9,847 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,633 reviews

Alaska Airlines

8.0

Very good

9,847 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What airport do you fly into for flights to Great Falls from Washington, D.C. Dulles Intl?
Great Falls (GTF), located 3.5 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Great Falls. 1 airline have flights to Great Falls from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Great Falls should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Great Falls round-trip?
Flying on Alaska Airlines is currently your cheapest option to Great Falls, with prices starting at $454. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $508 and $522, respectively. Alaska Airlines is currently priced 31% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Great Falls one-way?
The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $233. However, be on the lookout for offers from Delta and Hawaiian Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Great Falls for a low price.
Can I find deals for flights from Dulles Intl to Great Falls that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Great Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Great Falls.
Can I find deals for business class flights from Dulles Intl to Great Falls?
Yes. Cheapflights offers flight deals from Dulles Intl to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Great Falls?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Great Falls (average of $367). Flying from Washington, D.C. Dulles Intl Airport to Great Falls in June is currently the most expensive (average of $605). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Great Falls

Dulles Intl to Bozeman flights

Baltimore to Bozeman flights

Dulles Intl to Kalispell flights

Reagan-National to Bozeman flights

Baltimore to Kalispell flights

Reagan-National to Kalispell flights

Dulles Intl to Missoula flights

Baltimore to Missoula flights

Reagan-National to Missoula flights

Baltimore to Billings flights

Dulles Intl to Billings flights

Baltimore to Great Falls flights

Reagan-National to Billings flights

Dulles Intl to Helena flights

Reagan-National to Great Falls flights

Baltimore to Helena flights

Reagan-National to Helena flights

Baltimore to Cody flights

Dulles Intl to Cody flights

Baltimore to Butte flights

Dulles Intl to Butte flights

Dulles Intl to West Yellowstone flights

Baltimore to West Yellowstone flights

Reagan-National to Cody flights

Reagan-National to West Yellowstone flights

Reagan-National to Butte flights

Dulles Intl to Sidney flights

Other flights to Great Falls

Seattle to Great Falls flights

Minneapolis to Great Falls flights

Denver to Great Falls flights

O'Hare Intl to Great Falls flights

Great Falls to Las Vegas flights

Great Falls to Seattle flights

Great Falls to Salt Lake City flights

Great Falls to Denver flights

Great Falls to Minneapolis flights

Great Falls to Seattle flights

Great Falls to Phoenix-Mesa Gateway Airport flights

Great Falls to Salt Lake City flights

Great Falls to Minneapolis flights

Great Falls to Denver flights

Great Falls to Seattle flights

Great Falls to Denver flights

Top airline flying from Dulles Intl to Great Falls

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$384	Average$705	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$233+ Cheap flights from Dulles Intl (IAD) to Great Falls (GTF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Great Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Great Falls

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Great Falls

Cheapest flights from Dulles Intl to Great FallsExplore the most affordable flight options available from Dulles Intl to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on april 9, 2025.

Explore the most affordable flight options available from Dulles Intl to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on april 9, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Dulles Intl to Great Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Great Falls in April.

Best time to book a flight from Dulles Intl to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Great Falls

What is the cheapest time of day to fly from IAD to GTF?

Find hourly flight availability from Dulles Intl to Great Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated april 9, 2025.

Rainfall in Great Falls by month

Plan your trip to Great Falls by taking into account the average rainfall totals by month.

Temperature in Great Falls by month

Plan your trip to Great Falls by taking into account the average temperature totals by month.

Reviews of airlines servicing Great Falls

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Great Falls from Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Great Falls round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Great Falls one-way?

Can I find deals for flights from Dulles Intl to Great Falls that include hotel bookings?

How can I find direct flights from Dulles Intl to Great Falls?

Can I find deals for business class flights from Dulles Intl to Great Falls?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Great Falls?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Great Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Dulles Intl to Great Falls

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Dulles Intl to Great Falls
Explore the most affordable flight options available from Dulles Intl to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on april 9, 2025.