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Great Falls

$175+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GTF
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheap flight deals from Dulles Intl to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Great Falls (GTF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$387
(Delta)

One-way from

$207
(Delta)

Popular in

December

Cheapest in

March

Average price

$384
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Great Falls flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Great Falls flights.
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From Washington, D.C. Dulles Intl to Great Falls
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One-way flight from Washington, D.C. Dulles Intl to Great Falls
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Highest demand for flights based on searches. 22% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 29, 2025.

This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/412:39 pmIAD - GTF
2 stops11h 52mDelta
sáb. 6/76:00 amGTF - IAD
2 stops8h 51mDelta
Deal found 4/28$361
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/46:30 amIAD - GTF
1 stop11h 59mAlaska Airlines
sáb. 6/75:09 pmGTF - IAD
1 stop12h 27mAlaska Airlines
Deal found 4/29$402
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/286:35 amIAD - GTF
1 stop8h 52mUnited Airlines
sáb. 5/312:26 pmGTF - IAD
1 stop6h 24mUnited Airlines
Deal found 4/28$440
This United deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/226:48 amIAD - GTF
3 stops16h 22mMultiple Airlines
mié. 6/254:55 pmGTF - IAD
2 stops11h 55mMultiple Airlines
Deal found 4/29$1,087

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Great Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 29, 2025.
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

Dulles Intl

Fly to

Great Falls

Route

Depart

Return

Price

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

mié. 6/4

12:39 pm-10:31 pm

2 stops11h 52m

Great Falls

sáb. 6/7

6:00 am-4:51 pm

2 stops8h 51m

$361

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

mié. 6/4

6:30 am-4:29 pm

1 stop11h 59m

Great Falls

sáb. 6/7

5:09 pm-7:36 am

1 stop12h 27m

$402

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

mié. 5/28

6:35 am-1:27 pm

1 stop8h 52m

Great Falls

sáb. 5/31

2:26 pm-10:50 pm

1 stop6h 24m

$440

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

dom. 6/22

6:48 am-9:10 pm

3 stops16h 22m

Great Falls

mié. 6/25

4:55 pm-6:50 am

2 stops11h 55m

$1,087

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

mar. 6/10

6:35 am-1:27 pm

1 stop8h 52m

$175

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

mar. 6/10

7:10 am-5:38 pm

2 stops12h 28m

$181

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

mar. 8/12

9:00 am-4:13 pm

1 stop9h 13m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 eDreams the most. eDreams 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?

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 abril 29, 2025.

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

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

Plan your trip to Great Falls by taking into account the average temperature totals 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 insights into the airlines that provide service to Great Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Great Falls. Reviews last updated abril 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian 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
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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

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?

    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 Delta is currently your cheapest option to Great Falls, with prices starting at $387. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at $402 and $440, respectively. Delta is currently priced 41% 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 Delta, with whom users have recently found tickets for as low as $207. However, be on the lookout for offers from United Airlines 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 $579). 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.

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Top airline flying from Dulles Intl to Great Falls

Discover the top airline that operate flights from Dulles Intl to Great Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$384Average$705FlexibilityNo cancel feeOn-time69%

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