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Cheap flights from Kalispell to Washington, D.C. from $155

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to Washington, D.C. departing on 5/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Kalispell to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:25 pm - 11:59 pm
FCA
-
DCA
8h 34m
1 stop
American Airlines Logo
8:24 am - 4:02 pm
DCA
-
FCA
9h 38m
1 stop
$309American Airlines
Wed, Jun 3 - Tue, Jun 9
Delta Logo
5:13 am - 7:45 pm
FCA
-
DCA
12h 32m
2 stops
Delta Logo
6:30 am - 1:33 pm
DCA
-
FCA
9h 03m
1 stop
$314Delta
Sat, May 16 - Sun, May 24
Delta Logo
5:13 am - 7:45 pm
FCA
-
DCA
12h 32m
2 stops
Delta Logo
12:27 pm - 11:14 pm
DCA
-
FCA
12h 47m
2 stops
$319Delta
Sat, May 16 - Sun, May 24
American Airlines Logo
12:35 pm - 11:58 pm
FCA
-
DCA
9h 23m
1 stop
American Airlines Logo
5:00 am - 11:37 am
DCA
-
FCA
8h 37m
1 stop
$334American Airlines
Tue, Sep 29 - Wed, Sep 30
Delta Logo
1:29 pm - 11:29 pm
FCA
-
DCA
8h 00m
1 stop
Delta Logo
12:05 pm - 11:07 pm
DCA
-
FCA
13h 02m
2 stops
$339Delta
Thu, Oct 22 - Tue, Oct 27
Delta Logo
5:13 am - 6:40 pm
FCA
-
DCA
11h 27m
2 stops
Delta Logo
6:30 am - 1:33 pm
DCA
-
FCA
9h 03m
1 stop
$349Delta
Fri, May 15 - Sun, May 24
Delta Logo
5:13 am - 6:40 pm
FCA
-
DCA
11h 27m
2 stops
Delta Logo
12:27 pm - 11:14 pm
DCA
-
FCA
12h 47m
2 stops
$354Delta
Fri, May 15 - Sun, May 24
Delta Logo
5:13 am - 7:45 pm
FCA
-
DCA
12h 32m
2 stops
Delta Logo
6:05 am - 1:33 pm
DCA
-
FCA
9h 28m
1 stop
$379Delta
Sat, May 16 - Mon, May 25
American Airlines Logo
12:25 pm - 11:54 pm
FCA
-
DCA
9h 29m
2 stops
American Airlines Logo
8:00 am - 4:02 pm
DCA
-
FCA
10h 02m
2 stops
$382American Airlines
Wed, Jun 3 - Tue, Jun 9
Delta Logo
2:30 pm - 11:28 pm
FCA
-
DCA
6h 58m
1 stop
Delta Logo
6:30 am - 1:33 pm
DCA
-
FCA
9h 03m
1 stop
$399Delta
Sat, May 16 - Sun, May 24

United Airlines flights from Kalispell to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Kalispell to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Oct 14
FCA8:30 amKalispell Glacier Park
9h 40m
1 stop
DCA8:10 pmWashington, D.C. Reagan-National
Oct 19
DCA1:00 pmWashington, D.C. Reagan-National
7h 35m
1 stop
FCA6:35 pmKalispell Glacier Park
$444
United Airlines
May 8
FCA6:00 amKalispell Glacier Park
6h 59m
1 stop
DCA2:59 pmWashington, D.C. Reagan-National
May 11
DCA4:11 pmWashington, D.C. Reagan-National
7h 46m
1 stop
FCA9:57 pmKalispell Glacier Park
$539

Alaska Airlines flights from Kalispell to Washington, D.C. Reagan-National Airport

Our best Alaska Airlines deals on Kalispell to Washington, D.C. Reagan-National Airport flight tickets
Alaska Airlines
May 16
FCA6:15 amKalispell Glacier Park
8h 04m
1 stop
DCA4:19 pmWashington, D.C. Reagan-National
May 23
DCA5:19 pmWashington, D.C. Reagan-National
25h 41m
1 stop
FCA5:00 pmKalispell Glacier Park
$511
Alaska Airlines
Oct 14
FCA8:00 pmKalispell Glacier Park
22h 00m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
Oct 19
DCA5:04 pmWashington, D.C. Reagan-National
8h 55m
1 stop
FCA11:59 pmKalispell Glacier Park
$527
Alaska Airlines
Apr 30
FCA12:43 pmKalispell Glacier Park
25h 17m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
May 4
DCA5:28 pmWashington, D.C. Reagan-National
21h 35m
1 stop
FCA1:03 pmKalispell Glacier Park
$539

momondo Fare Finder

 
Customize your flight search to find flights from Kalispell to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated April 25, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 6/3

1:25 pm-11:59 pm

1 stop8h 34m

Washington, D.C. Reagan-National

Tue 6/9

8:24 am-4:02 pm

1 stop9h 38m

$309

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Sat 5/16

5:13 am-7:45 pm

2 stops12h 32m

Washington, D.C. Reagan-National

Sun 5/24

6:30 am-1:33 pm

1 stop9h 03m

$314

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Sat 5/16

5:13 am-7:45 pm

2 stops12h 32m

Washington, D.C. Reagan-National

Sun 5/24

12:27 pm-11:14 pm

2 stops12h 47m

$319

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Tue 9/29

12:35 pm-11:58 pm

1 stop9h 23m

Washington, D.C. Reagan-National

Wed 9/30

5:00 am-11:37 am

1 stop8h 37m

$334

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 10/22

1:29 pm-11:29 pm

1 stop8h 00m

Washington, D.C. Reagan-National

Tue 10/27

12:05 pm-11:07 pm

2 stops13h 02m

$339

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Fri 5/15

5:13 am-6:40 pm

2 stops11h 27m

Washington, D.C. Reagan-National

Sun 5/24

6:30 am-1:33 pm

1 stop9h 03m

$349

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Fri 5/15

5:13 am-6:40 pm

2 stops11h 27m

Washington, D.C. Reagan-National

Sun 5/24

12:27 pm-11:14 pm

2 stops12h 47m

$354

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Sat 5/16

5:13 am-7:45 pm

2 stops12h 32m

Washington, D.C. Reagan-National

Mon 5/25

6:05 am-1:33 pm

1 stop9h 28m

$379

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 6/3

12:25 pm-11:54 pm

2 stops9h 29m

Washington, D.C. Reagan-National

Tue 6/9

8:00 am-4:02 pm

2 stops10h 02m

$382
Quickest round-trip

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Sat 5/16

2:30 pm-11:28 pm

1 stop6h 58m

Washington, D.C. Reagan-National

Sun 5/24

6:30 am-1:33 pm

1 stop9h 03m

$399

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Kalispell to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Kalispell and Washington, D.C. Reagan-National Airport?

When to book flights from Kalispell to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Kalispell to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kalispell to Washington, D.C. Reagan-National Airport (FCA to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kalispell to Washington, D.C. Reagan-National Airport

Fastest flight time

6h 54m

Direct flights

None
The fastest flight from Kalispell to Washington, D.C. Reagan-National Airport takes 6h 54m
There are no direct flights from Kalispell to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Kalispell to Washington, D.C. Reagan-National Airport.
Search flight deals

Frequently asked questions about flying from Kalispell to Washington, D.C. Reagan-National Airport

  • How far is Kalispell Glacier Park to Washington, D.C. Reagan-National by plane?

    The straight-line distance from Kalispell Glacier Park to Washington, D.C. Reagan-National is 1952.2 mi. Typically, this will take 6h 54m by plane in normal conditions.

  • When did momondo last update prices for flights from Kalispell Glacier Park Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Kalispell Glacier Park Airport to Washington, D.C. Reagan-National Airport are updated daily.

  • How many operators does momondo search for flights from Kalispell Glacier Park Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Kalispell Glacier Park Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalispell Glacier Park Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Kalispell to Washington, D.C. Reagan-National Airport?

Best airlines flying from Kalispell to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Kalispell to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $310Free CancellationRating
7.4
9,650 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Kalispell to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kalispell to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Kalispell to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Kalispell which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kalispell to Washington, D.C.?

Once all potential Kalispell to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Kalispell to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Kalispell and alert you when they change.

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