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Dulles Intl

$205+ Cheap flights from Kalispell (FCA) to Dulles Intl (IAD)

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — IAD
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap flight deals from Kalispell to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$279
(Delta)

One-way from

$205
(United Airlines)

Popular in

February

Cheapest in

November

Average price

$544
Provider with most accurate pricing for Kalispell Glacier Park-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Kalispell Glacier Park-Washington, D.C. Dulles Intl flights.
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From Kalispell Glacier Park to Washington, D.C. Dulles Intl
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One-way flight from Kalispell Glacier Park to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 21% potential increase in price ($137 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Kalispell to Dulles Intl

Cheapest flights from Kalispell to Dulles Intl
Explore the most affordable flight options available from Kalispell to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Delta deal was found by Cheapflights users on 10/26. 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.
Wed 12/32:51 pmFCA - IAD
1 stop7h 11mDelta
Sat 12/66:00 amIAD - FCA
2 stops10h 29mDelta
Deal found 10/26$279
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Sun 11/162:38 pmFCA - IAD
1 stop6h 37mUnited Airlines
Thu 11/208:25 amIAD - FCA
1 stop7h 11mUnited Airlines
Deal found 10/25$282
This Delta deal was found by Cheapflights users on 10/26. 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.
Wed 12/32:51 pmFCA - IAD
1 stop7h 11mDelta
Fri 12/510:08 amIAD - FCA
2 stops15h 02mDelta
Deal found 10/26$309
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/36:15 amFCA - IAD
1 stop6h 46mUnited Airlines
Sat 12/62:30 pmIAD - FCA
1 stop9h 16mUnited Airlines
Deal found 10/26$339
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/172:38 pmFCA - IAD
1 stop6h 37mUnited Airlines
Mon 11/243:59 pmIAD - FCA
1 stop7h 45mUnited Airlines
Deal found 10/27$341
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 12/56:30 amFCA - IAD
1 stop8h 06mAlaska Airlines
Fri 12/126:30 pmIAD - FCA
1 stop19h 50mAlaska Airlines
Deal found 10/26$343
This Delta deal was found by Cheapflights users on 10/25. 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.
Fri 10/3112:00 pmFCA - IAD
1 stop9h 33mDelta
Sat 11/86:15 amIAD - FCA
1 stop7h 01mDelta
Deal found 10/25$354
This Delta deal was found by Cheapflights users on 10/25. 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.
Fri 12/52:51 pmFCA - IAD
1 stop7h 11mDelta
Fri 12/126:03 amIAD - FCA
1 stop9h 53mDelta
Deal found 10/25$381

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell 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 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Kalispell to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Kalispell

Fly to

Dulles Intl

Route

Depart

Return

Price

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Sun 11/16

2:38 pm-11:15 pm

1 stop6h 37m

Washington, D.C. Dulles Intl

Thu 11/20

8:25 am-1:36 pm

1 stop7h 11m

$282

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Wed 12/3

5:00 am-6:21 pm

2 stops11h 21m

Washington, D.C. Dulles Intl

Sat 12/6

6:00 am-2:29 pm

2 stops10h 29m

$284

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Wed 12/3

2:51 pm-12:02 am

1 stop7h 11m

Washington, D.C. Dulles Intl

Fri 12/5

10:08 am-11:10 pm

2 stops15h 02m

$309

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Wed 12/3

6:15 am-3:01 pm

1 stop6h 46m

Washington, D.C. Dulles Intl

Sat 12/6

2:30 pm-9:46 pm

1 stop9h 16m

$339

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Mon 11/17

2:38 pm-11:15 pm

1 stop6h 37m

Washington, D.C. Dulles Intl

Mon 11/24

3:59 pm-9:44 pm

1 stop7h 45m

$341

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Tue 3/10

6:40 am-5:55 pm

1 stop9h 15m

Washington, D.C. Dulles Intl

Wed 3/11

7:00 am-3:23 pm

1 stop10h 23m

$343

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Fri 12/5

6:30 am-4:36 pm

1 stop8h 06m

Washington, D.C. Dulles Intl

Fri 12/12

6:30 pm-12:20 pm

1 stop19h 50m

$343

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Tue 11/4

2:38 pm-11:15 pm

1 stop6h 37m

$205

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Sat 11/22

2:38 pm-11:15 pm

1 stop6h 37m

$228

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Sat 11/22

8:00 pm-5:17 pm

2 stops19h 17m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Compare providers for flights from Kalispell to Dulles Intl

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 Kalispell to Dulles Intl in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice 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 Kalispell-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kalispell-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Kalispell-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalispell-Washington, D.C. Dulles Intl Airport 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 Kalispell-Washington, D.C. Dulles Intl Airport 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 Kalispell to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Kalispell 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 Kalispell to Washington, D.C. Dulles Intl Airport

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

Currently, December is the cheapest month in which you can book a flight from Kalispell to Washington, D.C. Dulles Intl Airport (average of $229). Flying from Kalispell to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $618). 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.

Related info for your journey

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

    If you book a flight to Washington, D.C. Dulles Intl from Kalispell, you will be flying from Glacier Park, which is the city’s only airport. Kalispell Glacier Park (FCA) is located 8.4 mi from the center of Kalispell. There are 0 flights from Glacier Park to Washington, D.C. Dulles Intl per day from 0 different airlines.

  • How long is the flight from Kalispell to Washington, D.C. Dulles Intl Airport?

    For as low as $282, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Kalispell in 6h 37m. The distance from Kalispell to Washington, D.C. Dulles Intl Airport is about 1928 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kalispell 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.

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

    Currently, December is the cheapest month in which you can book a flight from Kalispell to Washington, D.C. Dulles Intl Airport (average of $229). Flying from Kalispell to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $618). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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