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 $380. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $406 and $422, respectively. Alaska Airlines is currently priced 45% 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 $206. However, be on the lookout for offers from United Airlines and Delta, 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 July is currently the most expensive (average of $574). 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 August. Prices to Great Falls from Washington, D.C. Dulles Intl Airport average $644. You can even find prices in August for less than $644, as users have found deals to Great Falls from as low as $356. The month of November 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 51%.

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.

$206+ Flights from Washington, D.C. Dulles Intl Airport to Great Falls

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Cheap flight deals from Dulles Intl to Great Falls

Round-trip from	$380 (Alaska Airlines)
One-way from	$206 (Alaska Airlines)
Popular in	December
Cheapest in	March
Average price	$829

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. 19% potential increase in price ($168 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($45 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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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 June 12, 2025.

Sat 9/66:09 pmIAD - GTF

1 stop23h 40mAlaska Airlines

Sat 9/134:29 pmGTF - IAD

1 stop13h 03mAlaska Airlines

Deal found 6/11

$380

Tue 7/292:45 pmIAD - GTF

1 stop8h 28mUnited Airlines

Tue 8/122:35 pmGTF - IAD

1 stop8h 10mUnited Airlines

Deal found 6/11

$406

Sat 9/62:15 pmIAD - GTF

1 stop8h 19mDelta

Sat 9/136:20 pmGTF - IAD

2 stops12h 51mDelta

Deal found 6/11

$422

Sun 7/1311:58 amIAD - GTF

2 stops23h 26mMultiple Airlines

Fri 7/1810:14 amGTF - IAD

2 stops25h 41mMultiple Airlines

Deal found 6/11

$487

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 June 12, 2025.

Sat 9/66:09 pmIAD - GTF

1 stop23h 40mAlaska Airlines

Sat 9/134:29 pmGTF - IAD

1 stop13h 03mAlaska Airlines

Deal found 6/11

$380

Tue 7/292:45 pmIAD - GTF

1 stop8h 28mUnited Airlines

Tue 8/122:35 pmGTF - IAD

1 stop8h 10mUnited Airlines

Deal found 6/11

$406

Sat 9/62:15 pmIAD - GTF

1 stop8h 19mDelta

Sat 9/136:20 pmGTF - IAD

2 stops12h 51mDelta

Deal found 6/11

$422

Sun 7/1311:58 amIAD - GTF

2 stops23h 26mMultiple Airlines

Fri 7/1810:14 amGTF - IAD

2 stops25h 41mMultiple Airlines

Deal found 6/11

$487

Last-minute flights from Dulles Intl to Great Falls
Discover last-minute flight deals from Dulles Intl to Great Falls. Data last updated June 12, 2025 and is based on user searches.

Wed 6/181:00 pmIAD - GTF

2 stops11h 45mDelta

Mon 6/236:18 pmGTF - IAD

2 stops12h 54mDelta

Deal found 6/12

$1,378

Sat 6/2110:19 pmIAD - GTF

1 stop24h 51mUnited Airlines

Tue 7/12:35 pmGTF - IAD

1 stop8h 10mUnited Airlines

Deal found 6/10

$719

Fri 7/412:49 pmIAD - GTF

2 stops11h 56mDelta

Tue 7/86:19 pmGTF - IAD

2 stops13h 00mDelta

Deal found 6/12

$443

Sun 7/1311:58 amIAD - GTF

2 stops23h 26mMultiple Airlines

Fri 7/1810:14 amGTF - IAD

2 stops25h 41mMultiple Airlines

Deal found 6/11

$487

Mon 7/286:13 pmIAD - GTF

1 stop24h 00mAlaska Airlines

Tue 8/124:55 pmGTF - IAD

2 stops35h 55mAlaska Airlines

Deal found 6/10

$533

Tue 7/292:45 pmIAD - GTF

1 stop8h 28mUnited Airlines

Tue 8/122:35 pmGTF - IAD

1 stop8h 10mUnited Airlines

Deal found 6/11

$406

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 June 12, 2025.

Tue 8/126:13 pmIAD - GTF

1 stop24h 00mAlaska Airlines

Deal found 6/10

$206

Mon 8/116:30 amIAD - GTF

1 stop9h 06mUnited Airlines

Deal found 6/10

$216

Tue 8/127:22 amIAD - GTF

2 stops12h 04mDelta

Deal found 6/11

$222

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

Sat 9/6

6:09 pm-3:49 pm

1 stop23h 40m

Great Falls

Sat 9/13

4:29 pm-7:32 am

1 stop13h 03m

$380

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Tue 7/29

2:45 pm-9:13 pm

1 stop8h 28m

Great Falls

Tue 8/12

2:35 pm-12:45 am

1 stop8h 10m

$406

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Sat 9/6

2:15 pm-8:34 pm

1 stop8h 19m

Great Falls

Sat 9/13

6:20 pm-9:11 am

2 stops12h 51m

$422

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Sun 7/13

11:58 am-9:24 am

2 stops23h 26m

Great Falls

Fri 7/18

10:14 am-1:55 pm

2 stops25h 41m

$487

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Tue 8/12

6:13 pm-4:13 pm

1 stop24h 00m

$206

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Mon 8/11

6:30 am-1:36 pm

1 stop9h 06m

$216

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Fri 7/4

10:07 am-10:45 pm

2 stops14h 38m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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

Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Washington, D.C. to Great Falls by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,950 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,790 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $380. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $406 and $422, respectively. Alaska Airlines is currently priced 45% 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 $206. However, be on the lookout for offers from United Airlines and Delta, 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 July is currently the most expensive (average of $574). 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

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Other flights to Great Falls

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%

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$206+ 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

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Great Falls

Round-trip from

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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 June 12, 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 June 12, 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.

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 June 12, 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

Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Washington, D.C. to Great Falls by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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

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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 June 12, 2025.