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Cheap flights from Kalispell to Washington, D.C. from $145

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 9/20. 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

Alaska Airlines Logo
8:02 pm - 7:33 amFCA-IAD
9h 31m1 stop
Alaska Airlines Logo
6:09 pm - 11:59 pmIAD-FCA
7h 50m1 stop
$290Alaska Airlines
Find Deal
jue., sep. 11 - lun., sep. 15
United Airlines Logo
6:30 am - 3:34 pmFCA-IAD
7h 04m1 stop
United Airlines Logo
10:25 am - 4:07 pmIAD-FCA
7h 42m1 stop
$291United Airlines
Find Deal
mié., ago. 27 - dom., ago. 31
Alaska Airlines Logo
8:02 pm - 7:33 amFCA-IAD
9h 31m1 stop
Alaska Airlines Logo
6:09 pm - 11:59 pmIAD-FCA
7h 50m1 stop
$345Alaska Airlines
Find Deal
jue., sep. 11 - mar., sep. 16
United Airlines Logo
2:38 pm - 11:15 pmFCA-IAD
6h 37m1 stop
United Airlines Logo
2:30 pm - 9:46 pmIAD-FCA
9h 16m1 stop
$381United Airlines
Find Deal
lun., nov. 24 - lun., dic. 8
Alaska Airlines Logo
8:02 pm - 7:33 amFCA-IAD
9h 31m1 stop
Alaska Airlines Logo
5:52 pm - 7:22 pmIAD-FCA
27h 30m2 stops
$382Alaska Airlines
Find Deal
jue., sep. 11 - lun., sep. 15
Hawaiian Airlines Logo
8:02 pm - 7:33 amFCA-IAD
9h 31m1 stop
Hawaiian Airlines Logo
7:00 am - 3:42 pmIAD-FCA
10h 42m1 stop
$392Hawaiian Airlines
Find Deal
jue., sep. 11 - lun., sep. 15
American Airlines Logo
4:53 pm - 12:18 pmFCA-IAD
17h 25m2 stops
American Airlines Logo
6:25 am - 2:23 pmIAD-FCA
9h 58m1 stop
$395American Airlines
Find Deal
jue., sep. 11 - lun., sep. 15
American Airlines Logo
4:53 pm - 12:18 pmFCA-IAD
17h 25m2 stops
American Airlines Logo
6:25 am - 2:23 pmIAD-FCA
9h 58m1 stop
$406American Airlines
Find Deal
jue., sep. 11 - lun., sep. 15
Delta Logo
2:55 pm - 11:38 pmFCA-IAD
6h 43m1 stop
Delta Logo
5:00 pm - 11:44 pmIAD-FCA
8h 44m2 stops
$440Delta
Find Deal
jue., sep. 11 - mar., sep. 16
Delta Logo
5:20 am - 6:22 pmFCA-IAD
11h 02m2 stops
Delta Logo
5:00 pm - 11:44 pmIAD-FCA
8h 44m2 stops
$710Delta
Find Deal
jue., sep. 11 - lun., sep. 15

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
Sep 11
FCA8:02 pmKalispell Glacier Park
9h 31m
1 stop
IAD7:33 amWashington, D.C. Dulles Intl
Sep 15
IAD6:09 pmWashington, D.C. Dulles Intl
7h 50m
1 stop
FCA11:59 pmKalispell Glacier Park
$290
Find similar
Alaska Airlines
Sep 11
FCA8:02 pmKalispell Glacier Park
9h 31m
1 stop
IAD7:33 amWashington, D.C. Dulles Intl
Sep 16
IAD6:09 pmWashington, D.C. Dulles Intl
7h 50m
1 stop
FCA11:59 pmKalispell Glacier Park
$345
Find similar
Alaska Airlines
Sep 11
FCA8:02 pmKalispell Glacier Park
9h 31m
1 stop
IAD7:33 amWashington, D.C. Dulles Intl
Sep 15
IAD5:52 pmWashington, D.C. Dulles Intl
27h 30m
2 stops
FCA7:22 pmKalispell Glacier Park
$382
Find similar

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

Our best United Airlines deals on Kalispell to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Aug 27
FCA6:30 amKalispell Glacier Park
7h 04m
1 stop
IAD3:34 pmWashington, D.C. Dulles Intl
Aug 31
IAD10:25 amWashington, D.C. Dulles Intl
7h 42m
1 stop
FCA4:07 pmKalispell Glacier Park
$291
Find similar
United Airlines
Nov 24
FCA2:38 pmKalispell Glacier Park
6h 37m
1 stop
IAD11:15 pmWashington, D.C. Dulles Intl
Dec 8
IAD2:30 pmWashington, D.C. Dulles Intl
9h 16m
1 stop
FCA9:46 pmKalispell Glacier Park
$381
Find similar
United Airlines
Sep 13
FCA10:47 amKalispell Glacier Park
8h 20m
1 stop
IAD9:07 pmWashington, D.C. Dulles Intl
Sep 16
IAD6:35 amWashington, D.C. Dulles Intl
7h 00m
1 stop
FCA11:35 amKalispell Glacier Park
$425
Find similar

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 agosto 14, 2025.
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

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

jue. 9/11

8:02 pm-7:33 am

1 stop9h 31m

Washington, D.C. Dulles Intl

lun. 9/15

6:09 pm-11:59 pm

1 stop7h 50m

$290

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

mié. 8/27

6:30 am-3:34 pm

1 stop7h 04m

Washington, D.C. Dulles Intl

dom. 8/31

10:25 am-4:07 pm

1 stop7h 42m

$291

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

jue. 9/11

8:02 pm-7:33 am

1 stop9h 31m

Washington, D.C. Dulles Intl

mar. 9/16

6:09 pm-11:59 pm

1 stop7h 50m

$345

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

lun. 11/24

2:38 pm-11:15 pm

1 stop6h 37m

Washington, D.C. Dulles Intl

lun. 12/8

2:30 pm-9:46 pm

1 stop9h 16m

$381

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

jue. 9/11

8:02 pm-7:33 am

1 stop9h 31m

Washington, D.C. Dulles Intl

lun. 9/15

5:52 pm-7:22 pm

2 stops27h 30m

$382

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

jue. 9/11

8:02 pm-7:33 am

1 stop9h 31m

Washington, D.C. Dulles Intl

lun. 9/15

7:00 am-3:42 pm

1 stop10h 42m

$392

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

jue. 9/11

4:53 pm-12:18 pm

2 stops17h 25m

Washington, D.C. Dulles Intl

lun. 9/15

6:25 am-2:23 pm

1 stop9h 58m

$395

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

jue. 9/11

4:53 pm-12:18 pm

2 stops17h 25m

Washington, D.C. Dulles Intl

lun. 9/15

6:25 am-2:23 pm

1 stop9h 58m

$406

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

jue. 9/11

2:55 pm-11:38 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

mar. 9/16

5:00 pm-11:44 pm

2 stops8h 44m

$440

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

jue. 9/11

5:20 am-6:22 pm

2 stops11h 02m

Washington, D.C. Dulles Intl

lun. 9/15

5:00 pm-11:44 pm

2 stops8h 44m

$710

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

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $360. 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. Dulles Intl Airport for around $918.

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

Flying to Washington, D.C. Dulles Intl Airport from Kalispell in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $466 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $686 on average. Flights to Washington, D.C. Dulles Intl Airport from Kalispell at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Best Price Found

$145

Fastest flight time

6h 26m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Kalispell in the past 72 hours is $145. The best round-trip flight deal from Kalispell to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $290.
The fastest flight from Kalispell to Washington, D.C. Dulles Intl Airport takes 6h 26m
There are no direct flights from Kalispell to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Kalispell Glacier Park Airport - 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 37m.

  • 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 $393Free CancellationRating
7.4
8,916 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
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Harpers Ferry
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie

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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