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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 12/21. 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
3:00 pm - 11:28 pmFCA-DCA
6h 28m1 stop
Delta Logo
6:10 am - 1:45 pmDCA-FCA
9h 35m1 stop
$274Delta
Find Deal
Thu, Apr 30 - Mon, May 4
Delta Logo
3:23 pm - 11:23 pmFCA-DCA
6h 00m1 stop
Delta Logo
2:00 pm - 2:22 pmDCA-FCA
26h 22m2 stops
$317Delta
Find Deal
Wed, Jan 14 - Sat, Jan 17
Delta Logo
5:05 am - 6:42 pmFCA-DCA
11h 37m2 stops
Delta Logo
2:00 pm - 2:22 pmDCA-FCA
26h 22m2 stops
$322Delta
Find Deal
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
6:00 am - 2:59 pmFCA-DCA
6h 59m1 stop
United Airlines Logo
4:11 pm - 9:59 pmDCA-FCA
7h 48m1 stop
$339United Airlines
Find Deal
Wed, Jan 14 - Sat, Jan 17
Delta Logo
5:05 am - 6:42 pmFCA-DCA
11h 37m2 stops
Delta Logo
2:00 pm - 2:22 pmDCA-FCA
26h 22m2 stops
$347Delta
Find Deal
Wed, Jan 14 - Sat, Jan 17
Delta Logo
3:00 pm - 11:28 pmFCA-DCA
6h 28m1 stop
Delta Logo
6:30 am - 1:45 pmDCA-FCA
9h 15m1 stop
$434Delta
Find Deal
Thu, Apr 30 - Sun, May 3
Alaska Airlines Logo
1:53 pm - 8:01 pmFCA-DCA
28h 08m2 stops
Alaska Airlines Logo
5:30 pm - 11:58 pmDCA-FCA
8h 28m1 stop
$501Alaska Airlines
Find Deal
Thu, Apr 30 - Mon, May 4
United Airlines Logo
6:31 am - 2:56 pmFCA-DCA
6h 25m1 stop
United Airlines Logo
6:00 am - 3:53 pmDCA-FCA
11h 53m2 stops
$541United Airlines
Find Deal
Thu, Apr 30 - Sun, May 3
Alaska Airlines Logo
6:42 pm - 8:58 amFCA-DCA
12h 16m2 stops
Alaska Airlines Logo
1:41 pm - 11:58 pmDCA-FCA
12h 17m2 stops
$579Alaska Airlines
Find Deal
Thu, Apr 30 - Mon, May 4
Delta Logo
6:12 pm - 10:26 amFCA-DCA
14h 14m2 stops
Delta Logo
11:00 am - 11:02 pmDCA-FCA
14h 02m2 stops
$711Delta
Find Deal
Thu, Apr 30 - Mon, May 4

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

Our best Delta deals on Kalispell to Washington, D.C. Reagan-National Airport flight tickets
Delta
Apr 30
FCA3:00 pmKalispell Glacier Park
6h 28m
1 stop
DCA11:28 pmWashington, D.C. Reagan-National
May 4
DCA6:10 amWashington, D.C. Reagan-National
9h 35m
1 stop
FCA1:45 pmKalispell Glacier Park
$274
Find similar
Delta
Jan 14
FCA3:23 pmKalispell Glacier Park
6h 00m
1 stop
DCA11:23 pmWashington, D.C. Reagan-National
Jan 17
DCA2:00 pmWashington, D.C. Reagan-National
26h 22m
2 stops
FCA2:22 pmKalispell Glacier Park
$317
Find similar
Delta
Jan 14
FCA5:05 amKalispell Glacier Park
11h 37m
2 stops
DCA6:42 pmWashington, D.C. Reagan-National
Jan 17
DCA2:00 pmWashington, D.C. Reagan-National
26h 22m
2 stops
FCA2:22 pmKalispell Glacier Park
$322
Find similar

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
Jan 14
FCA6:00 amKalispell Glacier Park
6h 59m
1 stop
DCA2:59 pmWashington, D.C. Reagan-National
Jan 17
DCA4:11 pmWashington, D.C. Reagan-National
7h 48m
1 stop
FCA9:59 pmKalispell Glacier Park
$339
Find similar
United Airlines
Apr 30
FCA6:31 amKalispell Glacier Park
6h 25m
1 stop
DCA2:56 pmWashington, D.C. Reagan-National
May 3
DCA6:00 amWashington, D.C. Reagan-National
11h 53m
2 stops
FCA3:53 pmKalispell Glacier Park
$541
Find similar
United Airlines
Dec 15
FCA6:15 amKalispell Glacier Park
6h 36m
1 stop
DCA2:51 pmWashington, D.C. Reagan-National
Dec 19
DCA6:30 amWashington, D.C. Reagan-National
7h 12m
1 stop
FCA11:42 amKalispell Glacier Park
$765
Find similar

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 December 1, 2025.
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

Thu 4/30

3:00 pm-11:28 pm

1 stop6h 28m

Washington, D.C. Reagan-National

Mon 5/4

6:10 am-1:45 pm

1 stop9h 35m

$274

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 1/14

3:23 pm-11:23 pm

1 stop6h 00m

Washington, D.C. Reagan-National

Sat 1/17

2:00 pm-2:22 pm

2 stops26h 22m

$317

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 1/14

5:05 am-6:42 pm

2 stops11h 37m

Washington, D.C. Reagan-National

Sat 1/17

2:00 pm-2:22 pm

2 stops26h 22m

$322

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 1/14

6:00 am-2:59 pm

1 stop6h 59m

Washington, D.C. Reagan-National

Sat 1/17

4:11 pm-9:59 pm

1 stop7h 48m

$339

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 1/14

5:05 am-6:42 pm

2 stops11h 37m

Washington, D.C. Reagan-National

Sat 1/17

2:00 pm-2:22 pm

2 stops26h 22m

$347

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 4/30

3:00 pm-11:28 pm

1 stop6h 28m

Washington, D.C. Reagan-National

Sun 5/3

6:30 am-1:45 pm

1 stop9h 15m

$434

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 4/30

1:53 pm-8:01 pm

2 stops28h 08m

Washington, D.C. Reagan-National

Mon 5/4

5:30 pm-11:58 pm

1 stop8h 28m

$501

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 4/30

6:31 am-2:56 pm

1 stop6h 25m

Washington, D.C. Reagan-National

Sun 5/3

6:00 am-3:53 pm

2 stops11h 53m

$541

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 4/30

6:42 pm-8:58 am

2 stops12h 16m

Washington, D.C. Reagan-National

Mon 5/4

1:41 pm-11:58 pm

2 stops12h 17m

$579

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 4/30

6:12 pm-10:26 am

2 stops14h 14m

Washington, D.C. Reagan-National

Mon 5/4

11:00 am-11:02 pm

2 stops14h 02m

$711

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

The month of July is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Kalispell, with most prices found around $321. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $428.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Kalispell to Washington, D.C. Reagan-National Airport is on a Tuesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Tuesday will often find tickets for as low as $507. Flights from Kalispell to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $997. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Kalispell to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the morning. Our users have found flights to Washington, D.C. Reagan-National Airport in the morning for as low as $550. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $587.

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 00m

Direct flights

None
The fastest flight from Kalispell to Washington, D.C. Reagan-National Airport takes 6h 00m
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.
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  • 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 00m 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
DeltaPriceFrom $290Free CancellationRating
7.9
8,010 reviews
Search Delta flights
United AirlinesPriceFrom $310Free CancellationRating
7.4
9,065 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie
Linthicum Heights
Springfield

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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