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Reagan-National

$160+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — DCA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/28. 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
-
DCA
1 stop6h 54m
Delta
Sun 4/196:00 am
DCA
-
FCA
2 stops9h 54m
Delta
Deal found 1/28$310
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 1/28$315
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/1212:33 pm
FCA
-
DCA
1 stop9h 26m
United Airlines
Mon 2/166:30 am
DCA
-
FCA
1 stop8h 09m
United Airlines
Deal found 1/28$477
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:53 pm
FCA
-
DCA
1 stop18h 13m
Alaska Airlines
Wed 2/185:06 pm
DCA
-
FCA
2 stops21h 06m
Alaska Airlines
Deal found 1/28$506

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$310
(Delta)

One-way from

$160
(Delta)

Popular in

February

Cheapest in

July
Provider with most accurate pricing for Kalispell Glacier Park-Washington, D.C. Reagan-National flight deals.
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Provider most trusted by Cheapflights users for Kalispell Glacier Park-Washington, D.C. Reagan-National flights.
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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. 15% potential increase in price ($101 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

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 January 29, 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

Wed 4/15

2:49 pm-11:43 pm

1 stop6h 54m

Washington, D.C. Reagan-National

Sun 4/19

6:00 am-1:54 pm

2 stops9h 54m

$310

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 2/12

12:33 pm-11:59 pm

1 stop9h 26m

Washington, D.C. Reagan-National

Mon 2/16

6:30 am-12:39 pm

1 stop8h 09m

$477

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Sat 2/14

7:53 pm-4:06 pm

1 stop18h 13m

Washington, D.C. Reagan-National

Wed 2/18

5:06 pm-12:12 pm

2 stops21h 06m

$506

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Sat 2/14

5:00 am-6:29 pm

2 stops11h 29m

Washington, D.C. Reagan-National

Wed 2/18

11:06 am-11:49 pm

2 stops14h 43m

$560

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Mon 2/23

7:53 pm-5:59 pm

2 stops20h 06m

Washington, D.C. Reagan-National

Wed 2/25

9:59 am-11:57 pm

2 stops15h 58m

$648

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 2/12

3:20 pm-11:28 pm

1 stop6h 08m

Washington, D.C. Reagan-National

Mon 2/16

6:05 am-2:24 pm

2 stops10h 19m

$650

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Tue 6/9

6:59 am-6:00 pm

1 stop9h 01m

$160

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Tue 6/9

1:23 pm-11:53 pm

1 stop8h 30m

$173

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Tue 5/12

3:00 pm-11:28 pm

1 stop6h 28m

$181

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Tue 2/3

5:24 am-4:00 pm

1 stop8h 36m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 13 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 $500). 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. Reagan-National Airport?

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 January 29, 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
9,215 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

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
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

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 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, United Airlines, 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 42% 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 $500). 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
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$310Average$565FlexibilityNo cancel feeOn-time69%

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