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Reagan-National

$130+ Cheap flights from Kalispell (FCA) to Reagan-National (DCA)

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 — DCA
Mar 26 — Apr 21
Thu 3/26
Thu 4/2
1 adult, Economy
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Cheap flight deals from Kalispell to Reagan-National

Cheapest flights from Kalispell to Reagan-National
Explore the most affordable flight options available from Kalispell to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 24, 2026.

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 Alaska Airlines deal was found by Cheapflights users on 2/22. 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 2/22$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 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
Mon 5/47:40 am
DCA
-
FCA
1 stop8h 14m
Delta
Deal found 2/20$355
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 4/306:35 am
FCA
-
DCA
2 stops12h 25m
Alaska Airlines
Tue 5/58:59 am
DCA
-
FCA
2 stops16h 52m
Alaska Airlines
Deal found 2/20$423
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.
Wed 4/222:49 pm
FCA
-
DCA
1 stop6h 54m
Delta
Wed 4/295:10 pm
DCA
-
FCA
1 stop8h 17m
Delta
Deal found 2/20$428

Find flight deals from Kalispell to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Reagan-National (DCA). 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 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$354
(Delta)

One-way from

$130
(Delta)

Popular in

February

Cheapest in

July

Average price

$838
Provider with most accurate pricing for Kalispell Glacier Park-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalispell Glacier Park-Washington, D.C. Reagan-National flights.
Search Deals
From Kalispell Glacier Park to Washington, D.C. Reagan-National
Search Deals
One-way flight from Kalispell Glacier Park to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($30 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 Reagan-National 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 24, 2026.
Use the filters below to find and compare flights from Kalispell to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Kalispell

Fly to

Reagan-National

Route

Depart

Return

Price

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

$384

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

2:55 pm-11:27 pm

2 stops10h 32m

$479

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 4/22

2:49 pm-11:43 pm

1 stop6h 54m

Washington, D.C. Reagan-National

Wed 4/29

12:30 pm-11:27 pm

2 stops12h 57m

$479

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Mon 3/30

8:26 pm-4:10 pm

1 stop17h 44m

Washington, D.C. Reagan-National

Fri 4/3

5:10 pm-1:12 pm

1 stop22h 02m

$518

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 3/11

2:23 pm-11:35 pm

1 stop7h 12m

Washington, D.C. Reagan-National

Sun 3/15

5:12 pm-11:41 pm

1 stop8h 29m

$734

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Fri 3/6

6:15 pm-10:19 am

2 stops14h 04m

Washington, D.C. Reagan-National

Tue 3/10

11:00 am-11:41 pm

2 stops14h 41m

$824

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Mon 3/30

5:09 am-6:59 pm

2 stops11h 50m

Washington, D.C. Reagan-National

Fri 4/3

6:00 am-1:28 pm

2 stops9h 28m

$841

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Tue 6/9

1:25 pm-11:59 pm

1 stop8h 34m

$181

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Tue 4/21

6:05 am-9:00 pm

2 stops12h 55m

$207

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Tue 5/12

6:35 am-9:00 pm

2 stops12h 25m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 12 results
1
2
  • Most accurate provider: When it comes to deals on Kalispell-Washington, D.C. Reagan-National Airport 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. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalispell-Washington, D.C. Reagan-National Airport 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. Reagan-National 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 Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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. Reagan-National Airport

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

Currently, June is the cheapest month in which you can book a flight from Kalispell to Washington, D.C. Reagan-National Airport (average of $185). Flying from Kalispell to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of $709). 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 Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated February 24, 2026.
Read reviews from past customers who have flown United Airlines from Kalispell to Washington, D.C. Reagan-National Airport. 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
9,344 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

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
9,344 reviews
United Airlines
7.4
Good
9,344 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

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 Reagan-National. 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. Reagan-National?

    Most people fly from Kalispell Glacier Park (FCA) if they book a flight from Kalispell to Washington, D.C. Reagan-National. On average, Glacier Park has 0 outbound flights to Washington, D.C. Reagan-National per day from 1 airline. Kalispell Glacier Park is conveniently located just 8.4 mi from Kalispell’s city center.

  • How long is the flight from Kalispell to Washington, D.C. Reagan-National Airport?

    There are many flights that can get you from Kalispell to Washington, D.C. Reagan-National Airport in 6h 54m. Fly via Delta or Alaska Airlines to get the fastest option. Kalispell and Washington, D.C. Reagan-National Airport are separated by a distance of 1950 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. Reagan-National Airport round-trip?

    Currently priced at $310, United Airlines will fly you from Kalispell to Washington, D.C. Reagan-National Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is 43% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Kalispell to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Kalispell to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kalispell to Reagan-National?

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

  • Can I find deals for business class flights from Kalispell to Reagan-National?

    Yes. Cheapflights offers flight deals from Kalispell to Reagan-National 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. Reagan-National Airport?

    Currently, June is the cheapest month in which you can book a flight from Kalispell to Washington, D.C. Reagan-National Airport (average of $185). Flying from Kalispell to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of $709). 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. Reagan-National Airport?

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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Kalispell to Reagan-National

Discover the top airline that operate flights from Kalispell to Reagan-National. 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 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$310Average$565FlexibilityNo cancel feeOn-time69%

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