What airlines fly to Washington, D.C.?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Washington, D.C. from Kalispell according to our data. United Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Kalispell Glacier Park to Washington, D.C.?

Delta, Alaska Airlines, and American Airlines are the most popular carriers operating from Kalispell Glacier Park to Washington, D.C.

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

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

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

As of April 2026, there is 1 operator available to choose from for flights from Kalispell Glacier Park Airport to Washington, D.C..

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$129 Cheap Flights from Kalispell to Washington, D.C. in 2026

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:25 pm - 10:47 pm

FCA

IAD

8h 22m

1 stop

6:18 am - 3:00 pm

IAD

FCA

10h 42m

1 stop

$309American Airlines

Wed, Jun 3 - Tue, Jun 9

12:25 pm - 11:59 pm

FCA

DCA

9h 34m

1 stop

7:41 am - 12:35 pm

DCA

FCA

6h 54m

1 stop

$309American Airlines

Wed, Jun 3 - Tue, Jun 9

1:25 pm - 12:13 am

FCA

IAD

8h 48m

2 stops

6:18 am - 3:00 pm

IAD

FCA

10h 42m

1 stop

$314American Airlines

Wed, Jun 3 - Tue, Jun 9

8:00 pm - 7:28 am

FCA

IAD

9h 28m

1 stop

7:00 am - 3:35 pm

IAD

FCA

10h 35m

1 stop

$334Alaska Airlines

Tue, Oct 6 - Tue, Oct 13

1:29 pm - 10:14 pm

FCA

DCA

6h 45m

1 stop

5:00 pm - 11:07 pm

DCA

FCA

8h 07m

1 stop

$334Delta

Tue, Oct 6 - Tue, Oct 13

2:49 pm - 11:43 pm

FCA

DCA

6h 54m

1 stop

1:40 pm - 11:27 pm

DCA

FCA

11h 47m

2 stops

$339Delta

Thu, Apr 30 - Tue, May 5

2:49 pm - 11:32 pm

FCA

IAD

6h 43m

1 stop

6:00 am - 1:54 pm

IAD

FCA

9h 54m

1 stop

$354Delta

Thu, Apr 30 - Tue, May 5

2:33 pm - 11:24 pm

FCA

BWI

6h 51m

1 stop

8:00 am - 1:31 pm

BWI

FCA

7h 31m

1 stop

$379United Airlines

Sat, Apr 25 - Tue, Apr 28

6:00 am - 9:24 pm

FCA

BWI

13h 24m

2 stops

8:00 am - 1:31 pm

BWI

FCA

7h 31m

1 stop

$384United Airlines

Sat, Apr 25 - Tue, Apr 28

6:15 am - 6:35 pm

FCA

BWI

10h 20m

1 stop

4:17 pm - 5:00 pm

BWI

FCA

26h 43m

1 stop

$444Alaska Airlines

Wed, Jun 3 - Sat, Jun 6

American Airlines flights from Kalispell to Washington, D.C.

Our best American Airlines deals on Kalispell to Washington, D.C. flight tickets

American Airlines

Jun 3

FCA12:25 pmKalispell Glacier Park

8h 22m

1 stop

IAD10:47 pmWashington, D.C. Dulles Intl

Jun 9

IAD6:18 amWashington, D.C. Dulles Intl

10h 42m

1 stop

FCA3:00 pmKalispell Glacier Park

$309

American Airlines

Jun 3

FCA1:25 pmKalispell Glacier Park

8h 48m

2 stops

IAD12:13 amWashington, D.C. Dulles Intl

Jun 9

IAD6:18 amWashington, D.C. Dulles Intl

10h 42m

1 stop

FCA3:00 pmKalispell Glacier Park

$314

American Airlines

Jun 3

FCA1:25 pmKalispell Glacier Park

8h 46m

1 stop

BWI12:11 amBaltimore/Washington

Jun 9

BWI7:27 amBaltimore/Washington

9h 33m

1 stop

FCA3:00 pmKalispell Glacier Park

$359

Delta flights from Kalispell to Washington, D.C.

Our best Delta deals on Kalispell to Washington, D.C. flight tickets

Delta

Oct 6

FCA1:29 pmKalispell Glacier Park

6h 45m

1 stop

DCA10:14 pmWashington, D.C. Reagan-National

Oct 13

DCA5:00 pmWashington, D.C. Reagan-National

8h 07m

1 stop

FCA11:07 pmKalispell Glacier Park

$334

Delta

Apr 30

FCA2:49 pmKalispell Glacier Park

6h 54m

1 stop

DCA11:43 pmWashington, D.C. Reagan-National

May 5

DCA1:40 pmWashington, D.C. Reagan-National

11h 47m

2 stops

FCA11:27 pmKalispell Glacier Park

$339

Delta

Apr 30

FCA2:49 pmKalispell Glacier Park

6h 43m

1 stop

IAD11:32 pmWashington, D.C. Dulles Intl

May 5

IAD6:00 amWashington, D.C. Dulles Intl

9h 54m

1 stop

FCA1:54 pmKalispell Glacier Park

$354

momondo Fare Finder

Use the filters below to find and compare flights from Kalispell to Washington, D.C. 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

Wed 6/3

12:25 pm-10:47 pm

1 stop8h 22m

Washington, D.C. Dulles Intl

Tue 6/9

6:18 am-3:00 pm

1 stop10h 42m

$309

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Wed 6/3

12:25 pm-11:59 pm

1 stop9h 34m

Washington, D.C. Reagan-National

Tue 6/9

7:41 am-12:35 pm

1 stop6h 54m

$309

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Wed 6/3

1:25 pm-12:13 am

2 stops8h 48m

Washington, D.C. Dulles Intl

Tue 6/9

6:18 am-3:00 pm

1 stop10h 42m

$314

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Tue 10/6

8:00 pm-7:28 am

1 stop9h 28m

Washington, D.C. Dulles Intl

Tue 10/13

7:00 am-3:35 pm

1 stop10h 35m

$334

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Tue 10/6

1:29 pm-10:14 pm

1 stop6h 45m

Washington, D.C. Reagan-National

Tue 10/13

5:00 pm-11:07 pm

1 stop8h 07m

$334

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 4/30

2:49 pm-11:43 pm

1 stop6h 54m

Washington, D.C. Reagan-National

Tue 5/5

1:40 pm-11:27 pm

2 stops11h 47m

$339

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

$354

Quickest round-trip

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Sat 4/25

2:33 pm-11:24 pm

1 stop6h 51m

Baltimore/Washington

Tue 4/28

8:00 am-1:31 pm

1 stop7h 31m

$379

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Sat 4/25

6:00 am-9:24 pm

2 stops13h 24m

Baltimore/Washington

Tue 4/28

8:00 am-1:31 pm

1 stop7h 31m

$384

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Wed 6/3

6:15 am-6:35 pm

1 stop10h 20m

Baltimore/Washington

Sat 6/6

4:17 pm-5:00 pm

1 stop26h 43m

$444

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kalispell to Washington, D.C.

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

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Airlines

How have Kalispell to Washington, D.C. flight prices changed over time?

When to book flights from Kalispell to Washington, D.C.

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

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

Fastest flight time	6h 37m
Direct flights	None

The fastest flight from Kalispell to Washington, D.C. takes 6h 37m

There are no direct flights from Kalispell to Washington, D.C.. There are no popular flight routes from Kalispell to Washington, D.C..

Search flight deals

Frequently asked questions about flying from Kalispell to Washington, D.C.

How far is Kalispell Glacier Park to Washington, D.C. by plane?
A flight from Kalispell Glacier Park to Washington, D.C. will travel around 1950.3 mi. By plane, this route typically takes 6h 37m.
When did momondo last update prices for flights from Kalispell Glacier Park Airport to Washington, D.C.?
Prices for flights from Kalispell Glacier Park Airport to Washington, D.C. were last updated today.
How many operators does momondo search for flights from Kalispell Glacier Park Airport to Washington, D.C.?
As of April 2026, there is 1 operator available to choose from for flights from Kalispell Glacier Park Airport to Washington, D.C..
How old do you have to be to fly from Kalispell Glacier Park Airport to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Kalispell to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from Kalispell to Washington, D.C. is United Airlines, representing 100% of all bookings.

Best airlines flying from Kalispell to Washington, D.C.

Compare and see reviews for airlines that fly from Kalispell to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $256	Free Cancellation	Rating 7.4 9,574 reviews		Search United Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Fredericksburg

Silver Spring

Rockville

Manassas

Tysons

Linthicum Heights

Bethesda

Fairfax

Springfield

College Park

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?

Yes. All flights to Washington, D.C. from Kalispell on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kalispell to Washington, D.C..

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 not ready to book a flight from Kalispell to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Kalispell to Washington, D.C. from $129

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 5/8. 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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American Airlines flights from Kalispell to Washington, D.C.

Our best American Airlines deals on Kalispell to Washington, D.C. flight tickets

Delta flights from Kalispell to Washington, D.C.

Our best Delta deals on Kalispell to Washington, D.C. flight tickets

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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.

How have Kalispell to Washington, D.C. flight prices changed over time?

What is the cheapest airline that flies from Kalispell Glacier Park to Washington, D.C.?

What airlines fly to Washington, D.C.?

When to book flights from Kalispell to Washington, D.C.

Cheap Kalispell to Washington, D.C. (FCA to WAS) flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Kalispell to Washington, D.C.

Best airlines flying from Kalispell to Washington, D.C.

Compare and see reviews for airlines that fly from Kalispell to Washington, D.C. with momondo

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

Why use momondo?

An easier way to manage your Washington, D.C. trip

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

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