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Dulles Intl

$125+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — IAD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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.
Tue 4/142:49 pm
FCA
-
IAD
1 stop6h 43m
Delta
Sat 4/186:00 am
IAD
-
FCA
1 stop9h 19m
Delta
Deal found 1/26$249
This Delta deal was found by Cheapflights users on 1/26. 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.
Thu 4/302:49 pm
FCA
-
IAD
1 stop6h 43m
Delta
Mon 5/46:00 am
IAD
-
FCA
1 stop9h 54m
Delta
Deal found 1/26$259
This Delta deal was found by Cheapflights users on 1/25. 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.
Wed 4/152:49 pm
FCA
-
IAD
1 stop6h 43m
Delta
Sun 4/196:00 am
IAD
-
FCA
2 stops9h 54m
Delta
Deal found 1/25$345
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 5/212:29 pm
FCA
-
IAD
1 stop8h 08m
United Airlines
Sun 5/246:15 am
IAD
-
FCA
1 stop7h 26m
United Airlines
Deal found 1/26$372
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 4/306:35 am
FCA
-
IAD
1 stop9h 45m
Alaska Airlines
Mon 5/46:47 pm
IAD
-
FCA
2 stops26h 01m
Alaska Airlines
Deal found 1/26$376
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 4/306:35 am
FCA
-
IAD
1 stop9h 45m
Alaska Airlines
Tue 5/56:47 pm
IAD
-
FCA
2 stops20h 16m
Alaska Airlines
Deal found 1/26$386
This Delta deal was found by Cheapflights users on 1/25. 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.
Thu 4/302:49 pm
FCA
-
IAD
1 stop6h 43m
Delta
Tue 5/56:00 am
IAD
-
FCA
2 stops9h 54m
Delta
Deal found 1/25$429
This United Airlines deal was found by Cheapflights users on 1/26. 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 5/132:33 pm
FCA
-
IAD
1 stop7h 01m
United Airlines
Thu 5/216:15 am
IAD
-
FCA
1 stop7h 26m
United Airlines
Deal found 1/26$472

Find 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 January 26, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$249
(Delta)

One-way from

$125
(Delta)
Provider with most accurate pricing for Kalispell Glacier Park-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalispell Glacier Park-Washington, D.C. Dulles Intl flights.
Search Deals
From Kalispell Glacier Park to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Kalispell Glacier Park to Washington, D.C. Dulles Intl
Search Deals

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 January 26, 2026.
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

Tue 4/14

2:49 pm-11:32 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Sat 4/18

6:00 am-1:19 pm

1 stop9h 19m

$249

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 4/30

2:49 pm-11:32 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Tue 5/5

6:00 am-1:54 pm

1 stop9h 54m

$249

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 4/30

2:49 pm-11:32 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Mon 5/4

6:00 am-1:54 pm

1 stop9h 54m

$259

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Wed 4/15

2:49 pm-11:32 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Sun 4/19

6:00 am-1:54 pm

2 stops9h 54m

$345

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 5/21

2:29 pm-12:37 am

1 stop8h 08m

Washington, D.C. Dulles Intl

Sun 5/24

6:15 am-11:41 am

1 stop7h 26m

$372

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 4/30

6:35 am-6:20 pm

1 stop9h 45m

Washington, D.C. Dulles Intl

Mon 5/4

6:47 pm-6:48 pm

2 stops26h 01m

$376

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Tue 5/12

1:35 pm-11:51 pm

1 stop8h 16m

$125

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Fri 5/1

2:49 pm-11:32 pm

1 stop6h 43m

$125

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Tue 6/9

5:40 pm-7:34 am

1 stop11h 54m

$165

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Wed 7/1

2:29 pm-12:32 am

1 stop8h 03m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 15 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
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 Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Kalispell-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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, July is the cheapest month in which you can book a flight from Kalispell to Washington, D.C. Dulles Intl Airport (average of $310). Flying from Kalispell to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $1,161). 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.

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 January 26, 2026.
See what other customers who have flown with United Airlines from Kalispell to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,199 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,199 reviews
United Airlines
7.4
Good
9,199 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 1 airline.

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

    For as low as $249, Delta can have you in Washington, D.C. Dulles Intl Airport from Kalispell in 6h 43m. The distance from Kalispell to Washington, D.C. Dulles Intl Airport is about 1928 mi.

  • What is the cheapest airline to fly from Kalispell to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on United Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $256.

  • 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, July is the cheapest month in which you can book a flight from Kalispell to Washington, D.C. Dulles Intl Airport (average of $310). Flying from Kalispell to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $1,161). 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
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Kalispell to Dulles Intl

Discover the top airline that operate flights from Kalispell 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 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$256Average$607FlexibilityNo cancel feeOn-time69%

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