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Cheap flights from Great Falls (GTF) to Dulles Intl (IAD) from $274

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
GTF — IAD
May 10 — May 171
From?
To?
Fri 5/10
Fri 5/17
1 adult, Economy
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Cheap flight deals from Great Falls to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Dulles Intl (IAD). 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 May 5, 2024.

Popular in

November

Cheapest in

January

Average price

$707

Round-trip from

$234
High demand for flights, 42% potential price rise
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Best time to find cheap flights, 40% potential price drop
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Average for round-trip flights in May 2024
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From Great Falls to Washington, D.C. Dulles Intl
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What is the cheapest day to fly round-trip from Great Falls to Washington, D.C. Dulles Intl Airport?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 25% on your flight compared to booking on days when demand is much higher.

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

Flights from Great Falls to Washington, D.C. Dulles Intl Airport lean towards being more expensive in November. Prices are generally better when you fly from Great Falls to Washington, D.C. Dulles Intl Airport in August, with the cheapest ticket starting at $376.

When is the cheapest time to fly from Great Falls to Washington, D.C. Dulles Intl Airport (GTF - IAD)?

One of the essential ways to save on airfare from Great Falls to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 6% on airfare.

Cheap Delta flights from Great Falls to Dulles Intl

Explore cheap flight options specifically provided by Delta for the route between Great Falls and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Peruse some of the lowest-priced Delta flights we've found from Great Falls to Washington, D.C.. Make sure to check back often as deals are often changing.
Thu 9/56:00 amGTF - IAD
1 stop15h 28mDelta
Sat 9/76:15 amIAD - GTF
1 stop18h 34mDelta
Deal found 5/3$496
Thu 9/56:00 amGTF - IAD
1 stop15h 28mDelta
Sat 9/76:15 amIAD - GTF
1 stop18h 34mDelta
Deal found 5/4$506
Thu 9/512:30 pmGTF - IAD
1 stop9h 20mDelta
Tue 9/1712:35 pmIAD - GTF
2 stops12h 16mDelta
Deal found 5/5$553
Thu 9/56:00 amGTF - IAD
1 stop15h 28mDelta
Sat 9/75:00 pmIAD - GTF
2 stops31h 49mDelta
Deal found 5/4$556

Cheap United Airlines flights from Great Falls to Dulles Intl

Explore cheap flight options specifically provided by United Airlines for the route between Great Falls and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Have a look at some of the cheapest available United Airlines flights departing from Great Falls and landing in Washington, D.C.. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Thu 9/52:25 pmGTF - IAD
2 stops19h 25mUnited Airlines
Tue 9/178:25 amIAD - GTF
2 stops14h 52mUnited Airlines
Deal found 5/5$516
Tue 7/97:00 amGTF - IAD
1 stop26h 26mUnited Airlines
Sat 7/138:30 amIAD - GTF
2 stops14h 48mUnited Airlines
Deal found 5/5$591
Tue 7/92:15 pmGTF - IAD
1 stop19h 11mUnited Airlines
Sat 7/134:10 pmIAD - GTF
1 stop7h 08mUnited Airlines
Deal found 5/5$592
Tue 7/97:00 amGTF - IAD
2 stops15h 30mUnited Airlines
Sat 7/138:30 amIAD - GTF
2 stops14h 48mUnited Airlines
Deal found 5/5$616
Tue 7/97:00 amGTF - IAD
2 stops15h 30mUnited Airlines
Sat 7/136:30 amIAD - GTF
2 stops16h 48mUnited Airlines
Deal found 5/4$636
Tue 7/92:15 pmGTF - IAD
1 stop19h 11mUnited Airlines
Sat 7/136:30 amIAD - GTF
2 stops16h 48mUnited Airlines
Deal found 5/4$645
Tue 7/92:15 pmGTF - IAD
1 stop13h 10mUnited Airlines
Sat 7/1310:08 pmIAD - GTF
1 stop25h 10mUnited Airlines
Deal found 5/4$692

Cheap Great Falls to Dulles Intl flights in May & June 2024

Find cheap flight options from Great Falls to Dulles Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Prices were last updated on May 5, 2024.
These are some of the best deals we've found on flights to Washington, D.C. in 2024 at this time. For more flight deals, be sure to check back very soon.
Sun 6/164:11 pmGTF - IAD
1 stop29h 48mAlaska Airlines
Wed 6/197:00 pmIAD - GTF
1 stop30h 59mAlaska Airlines
Deal found 5/4$632
Sun 6/164:11 pmGTF - IAD
1 stop29h 48mAlaska Airlines
Wed 6/197:10 amIAD - GTF
2 stops42h 49mAlaska Airlines
Deal found 5/4$650
Sun 6/164:11 pmGTF - IAD
2 stops46h 24mAlaska Airlines
Wed 6/195:43 pmIAD - GTF
2 stops32h 16mAlaska Airlines
Deal found 5/4$688

Great Falls to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Great Falls and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
These are some of the best deals we've found on flights to Washington, D.C. in 2024 at this time. For more flight deals, be sure to check back very soon.
Thu 9/56:00 amGTF - IAD
1 stop15h 28mDelta
Sat 9/76:15 amIAD - GTF
1 stop18h 34mDelta
Deal found 5/3$496
Thu 9/56:00 amGTF - IAD
1 stop15h 28mDelta
Sat 9/76:15 amIAD - GTF
1 stop18h 34mDelta
Deal found 5/4$506
Thu 9/52:25 pmGTF - IAD
2 stops19h 25mUnited Airlines
Tue 9/178:25 amIAD - GTF
2 stops14h 52mUnited Airlines
Deal found 5/5$516
Thu 9/57:00 amGTF - IAD
1 stop14h 59mAlaska Airlines
Tue 9/177:09 pmIAD - GTF
1 stop22h 42mAlaska Airlines
Deal found 5/5$533
Thu 9/512:30 pmGTF - IAD
1 stop9h 20mDelta
Tue 9/1712:35 pmIAD - GTF
2 stops12h 16mDelta
Deal found 5/5$553
Thu 9/56:00 amGTF - IAD
1 stop15h 28mDelta
Sat 9/75:00 pmIAD - GTF
2 stops31h 49mDelta
Deal found 5/4$556
Tue 7/97:00 amGTF - IAD
1 stop26h 26mUnited Airlines
Sat 7/138:30 amIAD - GTF
2 stops14h 48mUnited Airlines
Deal found 5/5$591
Tue 7/92:15 pmGTF - IAD
1 stop19h 11mUnited Airlines
Sat 7/134:10 pmIAD - GTF
1 stop7h 08mUnited Airlines
Deal found 5/5$592
Tue 7/97:00 amGTF - IAD
2 stops15h 30mUnited Airlines
Sat 7/138:30 amIAD - GTF
2 stops14h 48mUnited Airlines
Deal found 5/5$616

One-way flights to Dulles Intl from Great Falls

Search for one-way flight options from Great Falls to Dulles Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Take a look at some of the one-way flights we've detected from Great Falls to Washington, D.C.. Users needing a return flight from Great Falls to Washington, D.C. should utilize the search form above.
Tue 7/96:15 pmGTF - IAD
2 stops13h 00mDelta
Deal found 5/5$274
Tue 7/92:15 pmGTF - IAD
1 stop19h 11mUnited Airlines
Deal found 5/5$284
Sat 5/116:00 amGTF - IAD
1 stop5h 52mDelta
Deal found 5/4$519
Sat 5/1112:00 pmGTF - IAD
2 stops8h 52mDelta
Deal found 5/4$524
Sat 5/116:50 amGTF - IAD
3 stops22h 38mUnited Airlines
Deal found 5/4$592

Find flights from Great Falls to Dulles Intl within your budget

Customize your flight search to find flights from Great Falls to Dulles Intl 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 2,795,183 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$496 - $632

Route

Depart

Return

Price

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

Thu 9/5

1 stop15h 28m

Washington, D.C. Dulles Intl

Sat 9/7

1 stop18h 34m

$496

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

Thu 9/5

1 stop15h 28m

Washington, D.C. Dulles Intl

Sat 9/7

1 stop18h 34m

$506

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

Thu 9/5

2 stops19h 25m

Washington, D.C. Dulles Intl

Tue 9/17

2 stops14h 52m

$516

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

Thu 9/5

1 stop14h 59m

Washington, D.C. Dulles Intl

Tue 9/17

1 stop22h 42m

$533

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

Thu 9/5

1 stop9h 20m

Washington, D.C. Dulles Intl

Tue 9/17

2 stops12h 16m

$553

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

Thu 9/5

1 stop15h 28m

Washington, D.C. Dulles Intl

Sat 9/7

2 stops31h 49m

$556

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

Tue 7/9

1 stop26h 26m

Washington, D.C. Dulles Intl

Sat 7/13

2 stops14h 48m

$591

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

Tue 7/9

1 stop19h 11m

Washington, D.C. Dulles Intl

Sat 7/13

1 stop7h 08m

$592

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

Sun 6/16

1 stop29h 48m

Washington, D.C. Dulles Intl

Wed 6/19

1 stop30h 59m

$632

Flights are sorted by cheapest first

Deals found on 5/3

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

Use this chart to determine the cheapest time to fly round-trip from Great Falls to Dulles Intl. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Great Falls to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Dulles Intl by month

Plan your trip from Great Falls to Dulles Intl by taking into account the cheapest months to travel. The average price of a one-way flight from Great Falls to Dulles Intl is currently $439 while a round-trip flight costs $553. Price data was last updated on April 28, 2024.

Currently, September is the cheapest month in which you can book a flight from Great Falls to Washington, D.C. Dulles Intl Airport (average of $281). Flying from Great Falls to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $398). 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.

January

$308

February

$303

March

$358

April

$337

May

$337

June

$398

July

$378

August

$296

September

$281

October

$303

November

$328

December

$291

Temperature and rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

35.6 - 80.6 °F

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated May 5, 2024.
See what other customers who have flown with Delta, United Airlines and Alaska Airlines from Great Falls to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,134 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,826 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,118 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Dulles Intl. 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 from for flights from Great Falls to Washington, D.C. Dulles Intl?

    For a flight from Great Falls to Washington, D.C. Dulles Intl, you will be flying from Great Falls. Great Falls (GTF) is just 3.5 mi from the center of the city. Great Falls is the only Great Falls airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 2 airlines have flights to Washington, D.C. Dulles Intl from Great Falls on a regular basis.

  • Can I find flights from Great Falls to Washington, D.C. Dulles Intl Airport for under $500 on Cheapflights?

    Yes, there are multiple flights from Great Falls to Washington, D.C. Dulles Intl Airport for under $500. The cheapest flight booked recently is on Delta for just $496, but on average you can expect to pay $593.

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

    Flying on Delta is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $496. Additional round-trip tickets that might be worth considering are offered by United Airlines and Alaska Airlines, with the lowest prices starting at $516 and $533, respectively. Delta is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • What does GTF to IAD mean?

    Great Falls Airport is GTF and Washington, D.C. Dulles Intl Airport is IAD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Great Falls to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Great Falls to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Great Falls to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Great Falls to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Great Falls to Dulles Intl that allow pets onboard?

    Many airlines flying from Great Falls to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Great Falls to Dulles Intl?

    Yes, you can often find last-minute deals on Great Falls to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Great Falls to Washington, D.C. Dulles Intl Airport flight deals updated?

    The Great Falls to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 5/5.

See more FAQs

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Alternative routes for Great Falls to Dulles Intl
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Great Falls to Dulles Intl

Discover the top 2 airlines that operate flights from Great Falls to Dulles Intl. 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 2,795,183 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$320Average$703FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$432Average$587FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Great Falls to Dulles Intl by cabin class

Find flights from Great Falls to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Prem Econ Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Great Falls to Dulles Intl?

Cheapflights makes it easy to find Great Falls to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Great Falls to Dulles Intl?

Cheapflights simply makes it quick and affordable to book flights from Great Falls to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Great Falls to Dulles Intl with no change fees?

Certainly. Search results for flights to Dulles Intl from Great Falls shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Great Falls to Dulles Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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