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Cheap flights from Kalispell to Washington, D.C. from $125

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 5/12. 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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Find the cheapest flights from Kalispell to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:49 pm - 11:46 pm
FCA
-
DCA
6h 57m
1 stop
Delta Logo
5:10 pm - 11:37 pm
DCA
-
FCA
8h 27m
1 stop
$249Delta
Wed, Apr 15 - Fri, Apr 17
Delta Logo
2:49 pm - 11:46 pm
FCA
-
DCA
6h 57m
1 stop
Delta Logo
6:00 am - 1:54 pm
DCA
-
FCA
9h 54m
2 stops
$289Delta
Wed, Apr 15 - Sun, Apr 19
Delta Logo
2:49 pm - 11:46 pm
FCA
-
DCA
6h 57m
1 stop
Delta Logo
6:00 am - 1:54 pm
DCA
-
FCA
9h 54m
2 stops
$340Delta
Wed, Apr 15 - Thu, Apr 16
Delta Logo
2:49 pm - 11:46 pm
FCA
-
DCA
6h 57m
1 stop
Delta Logo
7:40 am - 1:54 pm
DCA
-
FCA
8h 14m
1 stop
$380Delta
Wed, Apr 15 - Thu, Apr 16
Delta Logo
5:05 am - 6:59 pm
FCA
-
DCA
11h 54m
2 stops
Delta Logo
5:10 pm - 11:37 pm
DCA
-
FCA
8h 27m
1 stop
$385Delta
Wed, Apr 15 - Fri, Apr 17
Alaska Airlines Logo
7:53 pm - 9:59 pm
FCA
-
DCA
24h 06m
1 stop
Alaska Airlines Logo
5:06 pm - 1:13 pm
DCA
-
FCA
22h 07m
1 stop
$394Alaska Airlines
Wed, Mar 4 - Sun, Mar 8
Delta Logo
5:05 am - 6:00 pm
FCA
-
DCA
10h 55m
2 stops
Delta Logo
6:00 am - 1:54 pm
DCA
-
FCA
9h 54m
2 stops
$426Delta
Wed, Apr 15 - Sun, Apr 19
Alaska Airlines Logo
7:53 pm - 3:44 pm
FCA
-
DCA
17h 51m
2 stops
Alaska Airlines Logo
5:06 pm - 1:13 pm
DCA
-
FCA
22h 07m
1 stop
$439Alaska Airlines
Wed, Mar 4 - Sun, Mar 8
Delta Logo
3:00 pm - 11:28 pm
FCA
-
DCA
6h 28m
1 stop
Delta Logo
6:00 am - 1:45 pm
DCA
-
FCA
9h 45m
2 stops
$469Delta
Fri, May 15 - Tue, May 19
Delta Logo
5:05 am - 6:00 pm
FCA
-
DCA
10h 55m
2 stops
Delta Logo
6:00 am - 1:54 pm
DCA
-
FCA
9h 54m
2 stops
$477Delta
Wed, Apr 15 - Thu, Apr 16

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
Mar 4
FCA7:53 pmKalispell Glacier Park
24h 06m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Mar 8
DCA5:06 pmWashington, D.C. Reagan-National
22h 07m
1 stop
FCA1:13 pmKalispell Glacier Park
$394
Alaska Airlines
Mar 4
FCA7:53 pmKalispell Glacier Park
17h 51m
2 stops
DCA3:44 pmWashington, D.C. Reagan-National
Mar 8
DCA5:06 pmWashington, D.C. Reagan-National
22h 07m
1 stop
FCA1:13 pmKalispell Glacier Park
$439
Alaska Airlines
Feb 23
FCA7:53 pmKalispell Glacier Park
24h 06m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Feb 25
DCA8:00 amWashington, D.C. Reagan-National
13h 13m
1 stop
FCA7:13 pmKalispell Glacier Park
$557

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
May 15
FCA6:00 amKalispell Glacier Park
13h 31m
2 stops
DCA9:31 pmWashington, D.C. Reagan-National
May 19
DCA10:05 amWashington, D.C. Reagan-National
13h 52m
2 stops
FCA9:57 pmKalispell Glacier Park
$881
United Airlines
Mar 17
FCA6:00 amKalispell Glacier Park
6h 59m
1 stop
DCA2:59 pmWashington, D.C. Reagan-National
Mar 20
DCA12:00 pmWashington, D.C. Reagan-National
12h 52m
2 stops
FCA10:52 pmKalispell Glacier Park
$905
United Airlines
Feb 7
FCA12:45 pmKalispell Glacier Park
8h 03m
1 stop
DCA10:48 pmWashington, D.C. Reagan-National
Feb 12
DCA6:30 amWashington, D.C. Reagan-National
8h 09m
1 stop
FCA12:39 pmKalispell Glacier Park
$965

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 January 21, 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

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 4/15

2:49 pm-11:46 pm

1 stop6h 57m

Washington, D.C. Reagan-National

Fri 4/17

5:10 pm-11:37 pm

1 stop8h 27m

$249

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 4/15

2:49 pm-11:46 pm

1 stop6h 57m

Washington, D.C. Reagan-National

Sun 4/19

6:00 am-1:54 pm

2 stops9h 54m

$289

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 4/15

2:49 pm-11:46 pm

1 stop6h 57m

Washington, D.C. Reagan-National

Thu 4/16

6:00 am-1:54 pm

2 stops9h 54m

$340

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 4/15

2:49 pm-11:46 pm

1 stop6h 57m

Washington, D.C. Reagan-National

Thu 4/16

7:40 am-1:54 pm

1 stop8h 14m

$380

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 4/15

5:05 am-6:59 pm

2 stops11h 54m

Washington, D.C. Reagan-National

Fri 4/17

5:10 pm-11:37 pm

1 stop8h 27m

$385

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 3/4

7:53 pm-9:59 pm

1 stop24h 06m

Washington, D.C. Reagan-National

Sun 3/8

5:06 pm-1:13 pm

1 stop22h 07m

$394

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 4/15

5:05 am-6:00 pm

2 stops10h 55m

Washington, D.C. Reagan-National

Sun 4/19

6:00 am-1:54 pm

2 stops9h 54m

$426

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 3/4

7:53 pm-3:44 pm

2 stops17h 51m

Washington, D.C. Reagan-National

Sun 3/8

5:06 pm-1:13 pm

1 stop22h 07m

$439

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Fri 5/15

3:00 pm-11:28 pm

1 stop6h 28m

Washington, D.C. Reagan-National

Tue 5/19

6:00 am-1:45 pm

2 stops9h 45m

$469

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 4/15

5:05 am-6:00 pm

2 stops10h 55m

Washington, D.C. Reagan-National

Thu 4/16

6:00 am-1:54 pm

2 stops9h 54m

$477

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 cheapest airline that flies from Kalispell Glacier Park to Washington, D.C. Reagan-National?

Delta is the most popular carrier operating from Kalispell Glacier Park to Washington, D.C. Reagan-National

What airlines fly to Washington, D.C. Reagan-National Airport?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Kalispell according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

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 05m

Direct flights

None
The fastest flight from Kalispell to Washington, D.C. Reagan-National Airport takes 6h 05m
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

  • 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 05m 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
9,191 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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

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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