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Cheap flights from Kalispell to Washington, D.C. from $119

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 3/1. 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.
United Airlines Logo
1:40 pm - 12:59 am
FCA
-
IAD
9h 19m1 stop
United Airlines Logo
4:11 pm - 9:59 pm
IAD
-
FCA
7h 48m1 stop
$283United Airlines
Sun, Jan 11 - Sat, Jan 17
United Airlines Logo
7:00 am - 11:15 pm
FCA
-
BWI
14h 15m2 stops
United Airlines Logo
4:10 pm - 9:59 pm
BWI
-
FCA
7h 49m1 stop
$318United Airlines
Sun, Jan 11 - Sat, Jan 17
United Airlines Logo
7:00 am - 11:15 pm
FCA
-
BWI
14h 15m2 stops
United Airlines Logo
10:05 am - 11:20 pm
BWI
-
FCA
15h 15m2 stops
$323United Airlines
Sun, Jan 11 - Sat, Jan 17
Alaska Airlines Logo
7:46 pm - 4:26 pm
FCA
-
IAD
18h 40m1 stop
Alaska Airlines Logo
6:04 pm - 12:14 pm
IAD
-
FCA
20h 10m1 stop
$334Alaska Airlines
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
6:00 am - 3:04 pm
FCA
-
BWI
7h 04m1 stop
United Airlines Logo
4:10 pm - 9:59 pm
BWI
-
FCA
7h 49m1 stop
$353United Airlines
Sun, Jan 11 - Sat, Jan 17
Alaska Airlines Logo
6:25 am - 4:26 pm
FCA
-
IAD
8h 01m1 stop
Alaska Airlines Logo
6:04 pm - 1:14 pm
IAD
-
FCA
21h 10m2 stops
$382Alaska Airlines
Thu, Jan 29 - Mon, Feb 2
Alaska Airlines Logo
7:53 pm - 5:46 pm
FCA
-
BWI
19h 53m1 stop
Alaska Airlines Logo
6:46 pm - 12:12 pm
BWI
-
FCA
19h 26m1 stop
$388Alaska Airlines
Wed, Feb 18 - Thu, Feb 26
Delta Logo
3:20 pm - 11:55 pm
FCA
-
IAD
6h 35m1 stop
Delta Logo
7:00 am - 2:24 pm
IAD
-
FCA
9h 24m1 stop
$389Delta
Wed, Feb 18 - Fri, Feb 27
Delta Logo
3:20 pm - 11:55 pm
FCA
-
IAD
6h 35m1 stop
Delta Logo
7:00 am - 2:24 pm
IAD
-
FCA
9h 24m1 stop
$406Delta
Wed, Feb 18 - Fri, Feb 27
Delta Logo
6:59 am - 5:58 pm
FCA
-
IAD
8h 59m1 stop
Delta Logo
1:00 pm - 11:46 pm
IAD
-
FCA
12h 46m2 stops
$485Delta
Mon, Jun 8 - Wed, Jun 10

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

Our best United Airlines deals on Kalispell to Washington, D.C. flight tickets
United Airlines
Jan 11
FCA1:40 pmKalispell Glacier Park
9h 19m
1 stop
IAD12:59 amWashington, D.C. Dulles Intl
Jan 17
IAD4:11 pmWashington, D.C. Dulles Intl
7h 48m
1 stop
FCA9:59 pmKalispell Glacier Park
$283
Find similar
United Airlines
Jan 11
FCA7:00 amKalispell Glacier Park
14h 15m
2 stops
BWI11:15 pmBaltimore/Washington
Jan 17
BWI4:10 pmBaltimore/Washington
7h 49m
1 stop
FCA9:59 pmKalispell Glacier Park
$318
Find similar
United Airlines
Jan 11
FCA7:00 amKalispell Glacier Park
14h 15m
2 stops
BWI11:15 pmBaltimore/Washington
Jan 17
BWI10:05 amBaltimore/Washington
15h 15m
2 stops
FCA11:20 pmKalispell Glacier Park
$323
Find similar

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

Our best Alaska Airlines deals on Kalispell to Washington, D.C. flight tickets
Alaska Airlines
Jan 29
FCA7:46 pmKalispell Glacier Park
18h 40m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Feb 2
IAD6:04 pmWashington, D.C. Dulles Intl
20h 10m
1 stop
FCA12:14 pmKalispell Glacier Park
$334
Find similar
Alaska Airlines
Jan 29
FCA6:25 amKalispell Glacier Park
8h 01m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Feb 2
IAD6:04 pmWashington, D.C. Dulles Intl
21h 10m
2 stops
FCA1:14 pmKalispell Glacier Park
$382
Find similar
Alaska Airlines
Jan 29
FCA7:46 pmKalispell Glacier Park
18h 40m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Feb 2
IAD6:04 pmWashington, D.C. Dulles Intl
21h 10m
2 stops
FCA1:14 pmKalispell Glacier Park
$384
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Kalispell to Washington, D.C. 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 18, 2025.
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

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Sun 1/11

1:40 pm-12:59 am

1 stop9h 19m

Washington, D.C. Dulles Intl

Sat 1/17

4:11 pm-9:59 pm

1 stop7h 48m

$283

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Sun 1/11

7:00 am-11:15 pm

2 stops14h 15m

Baltimore/Washington

Sat 1/17

4:10 pm-9:59 pm

1 stop7h 49m

$318

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Sun 1/11

7:00 am-11:15 pm

2 stops14h 15m

Baltimore/Washington

Sat 1/17

10:05 am-11:20 pm

2 stops15h 15m

$323

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 1/29

7:46 pm-4:26 pm

1 stop18h 40m

Washington, D.C. Dulles Intl

Mon 2/2

6:04 pm-12:14 pm

1 stop20h 10m

$334

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Sun 1/11

6:00 am-3:04 pm

1 stop7h 04m

Baltimore/Washington

Sat 1/17

4:10 pm-9:59 pm

1 stop7h 49m

$353

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 1/29

6:25 am-4:26 pm

1 stop8h 01m

Washington, D.C. Dulles Intl

Mon 2/2

6:04 pm-1:14 pm

2 stops21h 10m

$382

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Wed 2/18

7:53 pm-5:46 pm

1 stop19h 53m

Baltimore/Washington

Thu 2/26

6:46 pm-12:12 pm

1 stop19h 26m

$388

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Wed 2/18

3:20 pm-11:55 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Fri 2/27

7:00 am-2:24 pm

1 stop9h 24m

$389

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Wed 2/18

3:20 pm-11:55 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Fri 2/27

7:00 am-2:24 pm

1 stop9h 24m

$406

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Mon 6/8

6:59 am-5:58 pm

1 stop8h 59m

Washington, D.C. Dulles Intl

Wed 6/10

1:00 pm-11:46 pm

2 stops12h 46m

$485

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.

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 day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Kalispell is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $408. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Kalispell to Washington, D.C. for around $1,233.

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

At noon is the cheapest time of day to fly from Kalispell to Washington, D.C. when you can find flight prices for as low as $451. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $651. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 27m

Direct flights

None
The fastest flight from Kalispell to Washington, D.C. takes 6h 27m
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

  • 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 27m.

  • 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.?

  • 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.?

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
DeltaPriceFrom $203Free CancellationRating
7.9
8,005 reviews
Search Delta flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,092 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
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
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?

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.

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

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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport