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Washington, D.C.

$125+ Cheap flights from Kalispell (FCA) to Washington, D.C. (WAS)

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — WAS
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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Cheap flight deals from Kalispell to Washington, D.C.

Cheapest flights from Kalispell to Washington, D.C.
Explore the most affordable flight options available from Kalispell to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

This Delta deal was found by Cheapflights users on 2/19. 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 2/19$274
This Delta deal was found by Cheapflights users on 2/20. 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 10/223:00 pm
FCA
-
DCA
1 stop6h 29m
Delta
Tue 10/276:10 am
DCA
-
FCA
1 stop9h 39m
Delta
Deal found 2/20$274
This United Airlines deal was found by Cheapflights users on 2/20. 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 10/222:29 pm
FCA
-
IAD
1 stop6h 44m
United Airlines
Tue 10/274:08 pm
IAD
-
FCA
1 stop7h 22m
United Airlines
Deal found 2/20$280
This Delta deal was found by Cheapflights users on 2/17. 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
-
DCA
1 stop6h 54m
Delta
Mon 5/47:40 am
DCA
-
FCA
1 stop8h 14m
Delta
Deal found 2/17$284
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 10/276:33 am
FCA
-
BWI
1 stop9h 33m
Alaska Airlines
Sat 10/317:51 am
BWI
-
FCA
1 stop9h 44m
Alaska Airlines
Deal found 2/19$289
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 10/272:10 pm
FCA
-
IAD
1 stop7h 49m
Alaska Airlines
Sat 10/319:00 am
IAD
-
FCA
1 stop8h 35m
Alaska Airlines
Deal found 2/19$299
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 4/227:28 pm
FCA
-
IAD
1 stop8h 22m
Alaska Airlines
Wed 4/297:20 pm
IAD
-
FCA
1 stop18h 43m
Alaska Airlines
Deal found 2/20$319
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 4/227:28 pm
FCA
-
BWI
1 stop8h 16m
Alaska Airlines
Wed 4/297:04 am
BWI
-
FCA
1 stop13h 44m
Alaska Airlines
Deal found 2/20$322
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 10/276:33 am
FCA
-
DCA
1 stop7h 35m
Alaska Airlines
Sat 10/315:04 pm
DCA
-
FCA
1 stop8h 55m
Alaska Airlines
Deal found 2/19$330
This Delta deal was found by Cheapflights users on 2/20. 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
-
DCA
1 stop6h 54m
Delta
Tue 5/57:40 am
DCA
-
FCA
1 stop8h 14m
Delta
Deal found 2/20$354
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 4/307:28 pm
FCA
-
IAD
1 stop8h 22m
Alaska Airlines
Tue 5/57:10 am
IAD
-
FCA
1 stop13h 38m
Alaska Airlines
Deal found 2/20$361
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 4/307:28 pm
FCA
-
BWI
1 stop8h 16m
Alaska Airlines
Tue 5/57:04 am
BWI
-
FCA
1 stop13h 44m
Alaska Airlines
Deal found 2/18$376

Find flight deals from Kalispell to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Washington, D.C. (WAS). 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 February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$274
(Delta)

One-way from

$125
(Expedia)

Popular in

December

Cheapest in

September

Average price

$718
Provider with most accurate pricing for Kalispell Glacier Park-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalispell Glacier Park-Washington, D.C. (WAS) flights.
Search Deals
From Kalispell Glacier Park to Washington, D.C. (WAS)
Search Deals
One-way flight from Kalispell Glacier Park to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($183 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to Washington, D.C. 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 February 21, 2026.
Use the filters below to find and compare flights from Kalispell to Washington, D.C. that are best for you.

Fly from

Kalispell

Fly to

Washington, D.C.

Route

Depart

Return

Price

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Tue 5/12

1:25 pm-11:32 pm

1 stop8h 07m

Washington, D.C. Dulles Intl

Mon 5/18

6:00 am-1:33 pm

1 stop9h 33m

$274

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

$274

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 4/30

2:49 pm-11:43 pm

1 stop6h 54m

Washington, D.C. Reagan-National

Mon 5/4

7:40 am-1:54 pm

1 stop8h 14m

$284

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 4/30

2:49 pm-11:43 pm

1 stop6h 54m

Washington, D.C. Reagan-National

Tue 5/5

7:40 am-1:54 pm

1 stop8h 14m

$355

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

Tue 5/5

9:00 am-6:48 pm

1 stop11h 48m

$361

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Thu 4/30

7:28 pm-5:44 am

1 stop8h 16m

Baltimore/Washington

Tue 5/5

7:04 am-6:48 pm

1 stop13h 44m

$376

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Thu 4/30

7:28 pm-5:44 am

1 stop8h 16m

Baltimore/Washington

Mon 5/4

7:16 pm-12:03 pm

1 stop18h 47m

$379

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

$387

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Thu 4/30

2:49 pm-11:26 pm

1 stop6h 37m

Baltimore/Washington

Tue 5/5

6:03 am-1:54 pm

2 stops9h 51m

$403

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 4/30

6:35 am-9:00 pm

2 stops12h 25m

Washington, D.C. Reagan-National

Tue 5/5

8:59 am-11:51 pm

2 stops16h 52m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 34 results
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  • Most accurate provider: When it comes to deals on Kalispell-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalispell-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub 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. 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 Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Currently, June is the cheapest month in which you can book a flight from Kalispell to Washington, D.C. (average of $185). Flying from Kalispell to Washington, D.C. in May is currently the most expensive (average of $388). 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.

How much does it cost to fly round-trip from Kalispell to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated February 21, 2026.
Read reviews from past customers who have flown United Airlines from Kalispell to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,335 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

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
9,335 reviews
United Airlines
7.4
Good
9,335 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

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 Washington, D.C.. 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.?

    Kalispell Glacier Park (FCA) is the airport you will fly out of if you book a flight from Kalispell to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Glacier Park; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Kalispell airport to Washington, D.C.. It is only a 8.4 mi journey to Glacier Park (FCA) from Kalispell’s city center.

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

    Departing from Kalispell to Washington, D.C. will take you 8h 07m. The distance from Kalispell to Washington, D.C. is about 1928 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $256, United Airlines will fly you from Kalispell to Washington, D.C. and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is 53% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular routes from Kalispell to Washington, D.C.?

    Most travelers choose Kalispell Glacier Park - Washington, D.C. Dulles Intl, Kalispell Glacier Park - Baltimore/Washington or Kalispell Glacier Park - Washington, D.C. Reagan-National when deciding on the best route from Kalispell to Washington, D.C..

  • Can I find deals for flights from Kalispell to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Kalispell to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kalispell to Washington, D.C.?

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

  • Can I find deals for business class flights from Kalispell to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Kalispell to Washington, D.C. 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.?

    Currently, June is the cheapest month in which you can book a flight from Kalispell to Washington, D.C. (average of $185). Flying from Kalispell to Washington, D.C. in May is currently the most expensive (average of $388). 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.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Manassas
Bowie
Largo
McLean
Clinton
Towson

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Kalispell to Washington, D.C.

Discover the top airline that operate flights from Kalispell to Washington, D.C.. 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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$256Average$590FlexibilityNo cancel feeOn-time69%

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