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Cheap flights from Kalispell to Seattle from $120

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 Seattle departing on 8/31. 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
0 bags

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Find the cheapest flights from Kalispell to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:31 am - 10:35 am
FCA
-
SEA
25h 04m
1 stop
Multiple Airlines Logo
8:12 pm - 9:41 am
SEA
-
FCA
12h 29m
1 stop
$260Multiple Airlines
Fri, Jun 19 - Sun, Jun 21
Alaska Airlines Logo
6:33 am - 7:05 am
FCA
-
SEA
1h 32mnonstop
Alaska Airlines Logo
1:33 pm - 3:54 pm
SEA
-
FCA
1h 21mnonstop
$297Alaska Airlines
Fri, Jul 3 - Mon, Jul 6
Delta Logo
6:10 pm - 11:59 pm
FCA
-
SEA
6h 49m
1 stop
Delta Logo
11:05 am - 5:30 pm
SEA
-
FCA
5h 25m
1 stop
$317Delta
Fri, Jun 12 - Mon, Jun 15
Alaska Airlines Logo
4:34 pm - 5:12 pm
FCA
-
SEA
1h 38mnonstop
Alaska Airlines Logo
9:35 pm - 11:59 pm
SEA
-
FCA
1h 24mnonstop
$327Alaska Airlines
Fri, Jun 12 - Tue, Jun 16
Multiple Airlines Logo
10:31 am - 6:57 pm
FCA
-
SEA
9h 26m
2 stops
Multiple Airlines Logo
8:12 pm - 9:41 am
SEA
-
FCA
12h 29m
1 stop
$338Multiple Airlines
Fri, Jun 19 - Sun, Jun 21
Delta Logo
5:13 am - 9:15 am
FCA
-
SEA
5h 02m
1 stop
Delta Logo
5:30 am - 11:28 am
SEA
-
FCA
4h 58m
1 stop
$347Delta
Wed, Jun 3 - Wed, Jun 10
Alaska Airlines Logo
11:33 am - 12:05 pm
FCA
-
SEA
1h 32mnonstop
Alaska Airlines Logo
9:35 pm - 11:58 pm
SEA
-
FCA
1h 23mnonstop
$357Alaska Airlines
Fri, Jun 5 - Mon, Jun 8
Alaska Airlines Logo
6:33 am - 7:05 am
FCA
-
SEA
1h 32mnonstop
Alaska Airlines Logo
8:23 am - 10:48 am
SEA
-
FCA
1h 25mnonstop
$362Alaska Airlines
Fri, Jun 12 - Wed, Jun 17
Delta Logo
6:07 pm - 12:10 am
FCA
-
SEA
7h 03m
1 stop
Delta Logo
5:30 am - 11:28 am
SEA
-
FCA
4h 58m
1 stop
$377Delta
Fri, Jun 5 - Mon, Jun 8
Alaska Airlines Logo
6:33 am - 7:05 am
FCA
-
SEA
1h 32mnonstop
Alaska Airlines Logo
8:23 am - 10:48 am
SEA
-
FCA
1h 25mnonstop
$387Alaska Airlines
Sun, Jun 14 - Mon, Jun 15

Alaska Airlines flights from Kalispell to Seattle

Our best Alaska Airlines deals on Kalispell to Seattle flight tickets
Alaska Airlines
Sep 16
FCA6:15 amKalispell Glacier Park
1h 34m
SEA6:49 amSeattle/Tacoma Intl
Sep 22
SEA9:50 amSeattle/Tacoma Intl
1h 30m
FCA12:20 pmKalispell Glacier Park
$297
Alaska Airlines
Jun 12
FCA4:34 pmKalispell Glacier Park
1h 38m
SEA5:12 pmSeattle/Tacoma Intl
Jun 16
SEA9:35 pmSeattle/Tacoma Intl
1h 24m
FCA11:59 pmKalispell Glacier Park
$327
Alaska Airlines
Sep 16
FCA6:15 amKalispell Glacier Park
1h 34m
SEA6:49 amSeattle/Tacoma Intl
Sep 22
SEA7:08 amSeattle/Tacoma Intl
5h 20m
1 stop
FCA1:28 pmKalispell Glacier Park
$337

Delta flights from Kalispell to Seattle

Our best Delta deals on Kalispell to Seattle flight tickets
Delta
Sep 16
FCA11:59 amKalispell Glacier Park
5h 53m
1 stop
SEA4:52 pmSeattle/Tacoma Intl
Sep 22
SEA11:25 amSeattle/Tacoma Intl
5h 17m
1 stop
FCA5:42 pmKalispell Glacier Park
$317
Delta
Jun 3
FCA5:13 amKalispell Glacier Park
5h 02m
1 stop
SEA9:15 amSeattle/Tacoma Intl
Jun 10
SEA5:30 amSeattle/Tacoma Intl
4h 58m
1 stop
FCA11:28 amKalispell Glacier Park
$347
Delta
Jun 5
FCA6:07 pmKalispell Glacier Park
7h 03m
1 stop
SEA12:10 amSeattle/Tacoma Intl
Jun 8
SEA5:30 amSeattle/Tacoma Intl
4h 58m
1 stop
FCA11:28 amKalispell Glacier Park
$377

momondo Fare Finder

 
Customize your flight search to find flights from Kalispell to Seattle 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 May 23, 2026.
Use the filters below to find and compare flights from Kalispell to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 6/19

10:31 am-10:35 am

1 stop25h 04m

Seattle/Tacoma Intl

Sun 6/21

8:12 pm-9:41 am

1 stop12h 29m

$260
Quickest round-trip

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 7/3

6:33 am-7:05 am

Nonstop1h 32m

Seattle/Tacoma Intl

Mon 7/6

1:33 pm-3:54 pm

Nonstop1h 21m

$297

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 6/12

6:10 pm-11:59 pm

1 stop6h 49m

Seattle/Tacoma Intl

Mon 6/15

11:05 am-5:30 pm

1 stop5h 25m

$317

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 6/12

4:34 pm-5:12 pm

Nonstop1h 38m

Seattle/Tacoma Intl

Tue 6/16

9:35 pm-11:59 pm

Nonstop1h 24m

$327

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 6/19

10:31 am-6:57 pm

2 stops9h 26m

Seattle/Tacoma Intl

Sun 6/21

8:12 pm-9:41 am

1 stop12h 29m

$338

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 6/3

5:13 am-9:15 am

1 stop5h 02m

Seattle/Tacoma Intl

Wed 6/10

5:30 am-11:28 am

1 stop4h 58m

$347

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 6/5

11:33 am-12:05 pm

Nonstop1h 32m

Seattle/Tacoma Intl

Mon 6/8

9:35 pm-11:58 pm

Nonstop1h 23m

$357

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 6/12

6:33 am-7:05 am

Nonstop1h 32m

Seattle/Tacoma Intl

Wed 6/17

8:23 am-10:48 am

Nonstop1h 25m

$362

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 6/5

6:07 pm-12:10 am

1 stop7h 03m

Seattle/Tacoma Intl

Mon 6/8

5:30 am-11:28 am

1 stop4h 58m

$377

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sun 6/14

6:33 am-7:05 am

Nonstop1h 32m

Seattle/Tacoma Intl

Mon 6/15

8:23 am-10:48 am

Nonstop1h 25m

$387

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 Seattle from

How to get the cheapest flight ticket from Kalispell to Seattle

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 typical price of a round-trip flight between Kalispell and Seattle?

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Kalispell to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $177. If you don’t want to visit Seattle in January, then you should wait until November to fly from Kalispell, when ticket prices are also cheap, with an average price of $192.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Kalispell is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $430. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Kalispell because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $597.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Kalispell in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $333 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $536. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Kalispell Glacier Park to Seattle/Tacoma Intl flight route?

Fly from Kalispell Glacier Park to Seattle/Tacoma Intl for the best Kalispell Glacier Park - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight from Kalispell to Seattle?

You are more likely to see cheaper flights to Seattle from Kalispell when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $295 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Kalispell for as low as $177 on momondo.

What cabin class options are available on Kalispell to Seattle flights?

There are 4 cabin classes available to choose from on Kalispell to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Kalispell to Seattle flight prices changed over time?

As of May 2026, prices for Kalispell to Seattle flights are approximately 77% more expensive when compared to flights at the same time last year.

When to book flights from Kalispell to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Kalispell to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kalispell to Seattle (FCA to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kalispell to Seattle

Best Price Found

$179

Fastest flight time

1h 32m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Kalispell in the past 72 hours is $179. The best round-trip flight deal from Kalispell to Seattle found on momondo in the last 72 hours is $358.
The fastest flight from Kalispell to Seattle takes 1h 32m
Direct flights go from Kalispell to Seattle every day.
There is 1 airport in Seattle. From Kalispell there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Kalispell to Seattle

  • How far is Kalispell Glacier Park to Seattle/Tacoma Intl by plane?

    Kalispell Glacier Park and Seattle/Tacoma Intl are 373.5 mi apart from one another. Flights usually cover this in 1h 32m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Kalispell Glacier Park Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Kalispell Glacier Park Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Kalispell Glacier Park Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Kalispell Glacier Park Airport to Seattle/Tacoma Intl Airport?

    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 Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma 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 Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Kalispell to Seattle?

  • What is the most popular airline from Kalispell to Seattle?

Best airlines flying from Kalispell to Seattle

Compare and see reviews for airlines that fly from Kalispell to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $144Free CancellationRating
7.8
2,835 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $157Free CancellationRating
7.9
12,400 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Kalispell to Seattle

    Alaska Airlines operates around 13 flights from Kalispell to Seattle every week. The average price of these flights found in the last 72 hours has been $310, but momondo users have found Alaska Airlines deals from Kalispell to Seattle from as low as $157 round-trip. Alaska Airlines has been scored 7.9/10 in 12,400 reviews.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Puyallup
Lakewood
Tukwila
Marysville
Cle Elum
Federal Way
Fife
Centralia
Westport
Shoreline
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Kalispell to Seattle?

Finding the right flight to Seattle from Kalispell is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Kalispell to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Kalispell to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Kalispell to Seattle?

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 Seattle.

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

Yes. momondo can track prices for Kalispell to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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