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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 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
Delta Logo
2:30 pm - 11:39 pm
FCA
-
IAD
7h 09m
1 stop
Delta Logo
6:00 am - 1:33 pm
IAD
-
FCA
9h 33m
1 stop
$309Delta
Fri, May 22 - Mon, May 25
Delta Logo
6:10 pm - 9:15 am
FCA
-
IAD
13h 05m
2 stops
Delta Logo
6:00 am - 1:54 pm
IAD
-
FCA
9h 54m
1 stop
$314Delta
Mon, Apr 27 - Wed, Apr 29
American Airlines Logo
1:25 pm - 12:13 am
FCA
-
IAD
8h 48m
2 stops
American Airlines Logo
6:20 am - 4:03 pm
IAD
-
FCA
11h 43m
2 stops
$319American Airlines
Fri, May 22 - Mon, May 25
Delta Logo
2:30 pm - 11:39 pm
FCA
-
IAD
7h 09m
1 stop
Delta Logo
6:55 pm - 11:38 pm
IAD
-
FCA
6h 43m
1 stop
$334Delta
Thu, Jun 4 - Mon, Jun 8
Delta Logo
2:49 pm - 11:32 pm
FCA
-
IAD
6h 43m
1 stop
Delta Logo
6:00 am - 1:19 pm
IAD
-
FCA
9h 19m
1 stop
$335Delta
Thu, Apr 16 - Sat, Apr 25
Delta Logo
2:49 pm - 11:32 pm
FCA
-
IAD
6h 43m
1 stop
Delta Logo
12:12 pm - 11:27 pm
IAD
-
FCA
13h 15m
2 stops
$339Delta
Thu, Apr 30 - Tue, May 5
Delta Logo
2:49 pm - 11:32 pm
FCA
-
IAD
6h 43m
1 stop
Delta Logo
6:00 am - 1:19 pm
IAD
-
FCA
9h 19m
1 stop
$344Delta
Thu, Apr 16 - Sat, Apr 25
Delta Logo
2:49 pm - 11:32 pm
FCA
-
IAD
6h 43m
1 stop
Delta Logo
6:00 am - 1:54 pm
IAD
-
FCA
9h 54m
1 stop
$359Delta
Mon, Apr 27 - Wed, Apr 29
Delta Logo
2:30 pm - 11:39 pm
FCA
-
IAD
7h 09m
1 stop
Delta Logo
6:55 pm - 11:38 pm
IAD
-
FCA
6h 43m
1 stop
$365Delta
Thu, Jun 4 - Mon, Jun 8
Delta Logo
2:49 pm - 11:32 pm
FCA
-
IAD
6h 43m
1 stop
Delta Logo
6:00 am - 1:54 pm
IAD
-
FCA
9h 54m
1 stop
$370Delta
Thu, Apr 30 - Tue, May 5

Alaska Airlines flights from Kalispell to Washington, D.C. Dulles Intl Airport

Our best Alaska Airlines deals on Kalispell to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Apr 30
FCA7:28 pmKalispell Glacier Park
8h 22m
1 stop
IAD5:50 amWashington, D.C. Dulles Intl
May 4
IAD7:20 pmWashington, D.C. Dulles Intl
18h 43m
1 stop
FCA12:03 pmKalispell Glacier Park
$459
Alaska Airlines
Apr 30
FCA7:28 pmKalispell Glacier Park
8h 22m
1 stop
IAD5:50 amWashington, D.C. Dulles Intl
May 4
IAD6:47 pmWashington, D.C. Dulles Intl
20h 16m
2 stops
FCA1:03 pmKalispell Glacier Park
$497
Alaska Airlines
Apr 30
FCA7:28 pmKalispell Glacier Park
8h 22m
1 stop
IAD5:50 amWashington, D.C. Dulles Intl
May 4
IAD6:47 pmWashington, D.C. Dulles Intl
20h 16m
2 stops
FCA1:03 pmKalispell Glacier Park
$516

American Airlines flights from Kalispell to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Kalispell to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
May 22
FCA1:25 pmKalispell Glacier Park
8h 48m
2 stops
IAD12:13 amWashington, D.C. Dulles Intl
May 25
IAD6:20 amWashington, D.C. Dulles Intl
11h 43m
2 stops
FCA4:03 pmKalispell Glacier Park
$319
American Airlines
May 22
FCA12:25 pmKalispell Glacier Park
8h 22m
1 stop
IAD10:47 pmWashington, D.C. Dulles Intl
May 25
IAD6:20 amWashington, D.C. Dulles Intl
11h 43m
2 stops
FCA4:03 pmKalispell Glacier Park
$377
American Airlines
Jun 4
FCA1:25 pmKalispell Glacier Park
8h 48m
2 stops
IAD12:13 amWashington, D.C. Dulles Intl
Jun 8
IAD6:18 amWashington, D.C. Dulles Intl
10h 42m
1 stop
FCA3:00 pmKalispell Glacier Park
$440

momondo Fare Finder

 
Customize your flight search to find flights from Kalispell to Washington, D.C. Dulles Intl 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 March 29, 2026.
Use the filters below to find and compare flights from Kalispell to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Fri 5/22

2:30 pm-11:39 pm

1 stop7h 09m

Washington, D.C. Dulles Intl

Mon 5/25

6:00 am-1:33 pm

1 stop9h 33m

$309

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Mon 4/27

6:10 pm-9:15 am

2 stops13h 05m

Washington, D.C. Dulles Intl

Wed 4/29

6:00 am-1:54 pm

1 stop9h 54m

$314

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Fri 5/22

1:25 pm-12:13 am

2 stops8h 48m

Washington, D.C. Dulles Intl

Mon 5/25

6:20 am-4:03 pm

2 stops11h 43m

$319
Quickest round-trip

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 6/4

2:30 pm-11:39 pm

1 stop7h 09m

Washington, D.C. Dulles Intl

Mon 6/8

6:55 pm-11:38 pm

1 stop6h 43m

$334

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 4/16

2:49 pm-11:32 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Sat 4/25

6:00 am-1:19 pm

1 stop9h 19m

$335

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 4/30

2:49 pm-11:32 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Tue 5/5

12:12 pm-11:27 pm

2 stops13h 15m

$339

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 4/16

2:49 pm-11:32 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Sat 4/25

6:00 am-1:19 pm

1 stop9h 19m

$344

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Mon 4/27

2:49 pm-11:32 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Wed 4/29

6:00 am-1:54 pm

1 stop9h 54m

$359

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 6/4

2:30 pm-11:39 pm

1 stop7h 09m

Washington, D.C. Dulles Intl

Mon 6/8

6:55 pm-11:38 pm

1 stop6h 43m

$365

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 4/30

2:49 pm-11:32 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Tue 5/5

6:00 am-1:54 pm

1 stop9h 54m

$370

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. Dulles Intl 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. Dulles Intl?

United Airlines and Delta are the most popular carriers operating from Kalispell Glacier Park to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Kalispell according to our data. United Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl 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. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Kalispell to Washington, D.C. Dulles Intl 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. Dulles Intl Airport (FCA to IAD) flight deals and tips

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

Fastest flight time

6h 43m

Direct flights

None
The fastest flight from Kalispell to Washington, D.C. Dulles Intl Airport takes 6h 43m
There are no direct flights from Kalispell to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Kalispell to Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Kalispell Glacier Park to Washington, D.C. Dulles Intl by plane?

    The distance between Kalispell Glacier Park and Washington, D.C. Dulles Intl is about 1929.8 mi. By plane, this route typically takes 6h 43m.

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

    Prices for flights from Kalispell Glacier Park Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kalispell Glacier Park Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl 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. Dulles Intl 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. Dulles Intl Airport?

Best airlines flying from Kalispell to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Kalispell to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,509 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
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Sterling
Linthicum Heights
Springfield
Bethesda

Why use momondo?

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

It is quick and easy to find Kalispell to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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 you have performed a search for Kalispell to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Kalispell. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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