Cheap flights from Great Falls (GTF) to Dulles Intl (IAD) from $378

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 5/30. 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. 21 — may. 281

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 mayo 16, 2024.

Popular in

November

Cheapest in

January

Average price

$707

Round-trip from

$235
High demand for flights, 42% potential price rise
Best time to find cheap flights, 40% potential price drop
Average for round-trip flights in May 2024
From Great Falls to Washington, D.C. Dulles Intl

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 at noon tend to be the most expensive. A flight in the morning could potentially save you up to 2% 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 2,637,452 searches. Data last updated mayo 16, 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.
jue. 9/56:00 amGTF - IAD
1 stop15h 28mDelta
sáb. 9/711:00 amIAD - GTF
2 stops13h 49mDelta
Deal found 5/14$467
jue. 9/55:55 amGTF - IAD
2 stops15h 33mDelta
sáb. 9/711:00 amIAD - GTF
2 stops13h 49mDelta
Deal found 5/14$472
jue. 9/512:30 pmGTF - IAD
1 stop9h 20mDelta
sáb. 9/75:50 pmIAD - GTF
2 stops19h 51mDelta
Deal found 5/15$510
jue. 9/512:30 pmGTF - IAD
2 stops15h 35mDelta
sáb. 9/75:50 pmIAD - GTF
2 stops19h 51mDelta
Deal found 5/15$512
jue. 9/56:00 amGTF - IAD
1 stop15h 28mDelta
sáb. 9/72:15 pmIAD - GTF
1 stop10h 34mDelta
Deal found 5/14$531

Cheap Alaska Airlines flights from Great Falls to Dulles Intl

Explore cheap flight options specifically provided by Alaska 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 2,637,452 searches. Data last updated mayo 16, 2024.
Have a look at some of the cheapest available Alaska 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.
jue. 9/57:00 amGTF - IAD
1 stop14h 59mAlaska Airlines
sáb. 9/74:13 pmIAD - GTF
1 stop9h 33mAlaska Airlines
Deal found 5/15$520
dom. 5/267:00 amGTF - IAD
1 stop8h 08mAlaska Airlines
mié. 10/97:02 amIAD - GTF
1 stop18h 57mAlaska Airlines
Deal found 5/16$730

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 2,637,452 searches. Prices were last updated on mayo 16, 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.
dom. 5/262:17 pmGTF - IAD
2 stops15h 01mUnited Airlines
mié. 10/98:40 amIAD - GTF
2 stops14h 58mUnited Airlines
Deal found 5/16$637
dom. 5/262:17 pmGTF - IAD
2 stops15h 01mUnited Airlines
mié. 10/98:35 amIAD - GTF
1 stop15h 03mUnited Airlines
Deal found 5/16$657
dom. 5/267:00 amGTF - IAD
1 stop8h 08mAlaska Airlines
mié. 10/97:02 amIAD - GTF
1 stop18h 57mAlaska Airlines
Deal found 5/16$730
sáb. 5/182:25 pmGTF - IAD
2 stops14h 52mUnited Airlines
mié. 5/229:30 amIAD - GTF
2 stops13h 46mUnited Airlines
Deal found 5/15$872
sáb. 5/182:25 pmGTF - IAD
2 stops14h 52mUnited Airlines
mié. 5/228:15 amIAD - GTF
1 stop15h 01mUnited Airlines
Deal found 5/15$911
sáb. 5/182:25 pmGTF - IAD
1 stop6h 49mUnited Airlines
mié. 5/228:15 amIAD - GTF
1 stop15h 01mUnited Airlines
Deal found 5/15$1,087
sáb. 5/186:50 amGTF - IAD
3 stops22h 38mUnited Airlines
mié. 5/229:30 amIAD - GTF
2 stops13h 46mUnited Airlines
Deal found 5/15$1,101

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 2,637,452 searches. Data last updated mayo 16, 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.
jue. 9/56:00 amGTF - IAD
1 stop15h 28mDelta
sáb. 9/711:00 amIAD - GTF
2 stops13h 49mDelta
Deal found 5/14$467
jue. 9/55:55 amGTF - IAD
2 stops15h 33mDelta
sáb. 9/711:00 amIAD - GTF
2 stops13h 49mDelta
Deal found 5/14$472
jue. 9/512:30 pmGTF - IAD
1 stop9h 20mDelta
sáb. 9/75:50 pmIAD - GTF
2 stops19h 51mDelta
Deal found 5/15$510
jue. 9/512:30 pmGTF - IAD
2 stops15h 35mDelta
sáb. 9/75:50 pmIAD - GTF
2 stops19h 51mDelta
Deal found 5/15$512
jue. 9/57:00 amGTF - IAD
1 stop14h 59mAlaska Airlines
sáb. 9/74:13 pmIAD - GTF
1 stop9h 33mAlaska Airlines
Deal found 5/15$520
jue. 9/56:00 amGTF - IAD
1 stop15h 28mDelta
sáb. 9/72:15 pmIAD - GTF
1 stop10h 34mDelta
Deal found 5/14$531
lun. 7/17:00 amGTF - IAD
1 stop26h 26mUnited Airlines
vie. 7/58:15 amIAD - GTF
2 stops15h 03mUnited Airlines
Deal found 5/15$551
mar. 7/92:15 pmGTF - IAD
2 stops19h 37mUnited Airlines
sáb. 7/138:30 amIAD - GTF
2 stops14h 48mUnited Airlines
Deal found 5/16$556
mar. 7/92:15 pmGTF - IAD
1 stop19h 11mUnited Airlines
sáb. 7/138:30 amIAD - GTF
2 stops14h 48mUnited Airlines
Deal found 5/16$570

Great Falls to Dulles Intl flights leaving soon

Find last-minute flight options from Great Falls to Dulles Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Users seeking a last-minute flight from Great Falls to Washington, D.C. should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
dom. 5/262:17 pmGTF - IAD
2 stops15h 01mUnited Airlines
mié. 10/98:40 amIAD - GTF
2 stops14h 58mUnited Airlines
Deal found 5/16$637
dom. 5/262:17 pmGTF - IAD
2 stops15h 01mUnited Airlines
mié. 10/98:35 amIAD - GTF
1 stop15h 03mUnited Airlines
Deal found 5/16$657
dom. 5/267:00 amGTF - IAD
1 stop8h 08mAlaska Airlines
mié. 10/97:02 amIAD - GTF
1 stop18h 57mAlaska Airlines
Deal found 5/16$730

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 2,637,452 searches. Data last updated mayo 16, 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.
jue. 5/302:17 pmGTF - IAD
1 stop13h 08mUnited Airlines
Deal found 5/15$378
mié. 5/296:00 amGTF - IAD
1 stop8h 17mDelta
Deal found 5/15$383
mar. 5/286:45 amGTF - IAD
1 stop26h 41mUnited Airlines
Deal found 5/15$443
mar. 5/282:17 pmGTF - IAD
2 stops24h 07mUnited Airlines
Deal found 5/15$448
mar. 5/286:45 amGTF - IAD
3 stops12h 17mUnited Airlines
Deal found 5/15$1,083
jue. 5/306:45 amGTF - IAD
3 stops12h 17mUnited Airlines
Deal found 5/15$1,123
mié. 5/296:45 amGTF - IAD
3 stops12h 17mUnited Airlines
Deal found 5/15$2,414

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 2,637,452 searches. Data last updated mayo 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$467 - $576

Route

Depart

Return

Price

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

jue. 9/5

1 stop15h 28m

Washington, D.C. Dulles Intl

sáb. 9/7

2 stops13h 49m

$467

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

jue. 9/5

2 stops15h 33m

Washington, D.C. Dulles Intl

sáb. 9/7

2 stops13h 49m

$472

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

jue. 9/5

1 stop9h 20m

Washington, D.C. Dulles Intl

sáb. 9/7

2 stops19h 51m

$510

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

jue. 9/5

2 stops15h 35m

Washington, D.C. Dulles Intl

sáb. 9/7

2 stops19h 51m

$512

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

jue. 9/5

1 stop14h 59m

Washington, D.C. Dulles Intl

sáb. 9/7

1 stop9h 33m

$520

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

lun. 7/1

1 stop26h 26m

Washington, D.C. Dulles Intl

vie. 7/5

2 stops15h 03m

$551

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

mar. 7/9

2 stops19h 37m

Washington, D.C. Dulles Intl

sáb. 7/13

2 stops14h 48m

$556

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

mar. 7/9

1 stop19h 11m

Washington, D.C. Dulles Intl

sáb. 7/13

2 stops14h 48m

$570

Great FallsWashington, D.C. Dulles Intl

GTF - IAD

GTFIAD

Great Falls

mar. 7/9

2 stops15h 20m

Washington, D.C. Dulles Intl

sáb. 7/13

2 stops14h 48m

$576

Flights are sorted by cheapest first

Deals found on 5/14

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 May 12, 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.
Search Deals

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 $896 while a round-trip flight costs $526. Price data was last updated on May 12, 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 $280). Flying from Great Falls to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $397). 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

$336

June

$397

July

$376

August

$298

September

$280

October

$303

November

$328

December

$293

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 mayo 16, 2024.
See what other customers who have flown with Delta, Alaska Airlines and United 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.
8.1
Very good
9,157 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

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

8.1
Very good
9,157 reviews
8.1
Very good
9,157 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

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

8.0
Very good
10,673 reviews
8.1
Very good
9,157 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

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

7.4
Good
10,924 reviews
8.1
Very good
9,157 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

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 $467, but on average you can expect to pay $571.

  • Are there last-minute flights available from Great Falls to Washington, D.C. Dulles Intl Airport for under $700?

    There are currently 3+ open flights from Great Falls to Washington, D.C. Dulles Intl Airport within the next 7 days for less than $700.

  • 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 $467. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at $520 and $551, respectively. Delta is priced at 34% 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 5/16.

See more FAQs

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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 2,637,452 searches. Data last updated mayo 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$324Average$709FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$432Average$587FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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.

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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