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Cheap flights from Kalispell to Seattle from $99

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 9/10. 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 Seattle

Cheap round-trip flights

Hawaiian Airlines Logo
8:02 pm - 8:41 pmFCA-SEA
1h 39mnonstop
Hawaiian Airlines Logo
9:36 pm - 11:59 pmSEA-FCA
1h 23mnonstop
$187Hawaiian Airlines
Find Deal
Wed, Sep 17 - Sun, Sep 21
Alaska Airlines Logo
8:02 pm - 8:41 pmFCA-SEA
1h 39mnonstop
Alaska Airlines Logo
9:36 pm - 11:59 pmSEA-FCA
1h 23mnonstop
$193Alaska Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
Hawaiian Airlines Logo
6:35 pm - 7:10 pmFCA-SEA
1h 35mnonstop
Hawaiian Airlines Logo
9:59 am - 12:22 pmSEA-FCA
1h 23mnonstop
$197Hawaiian Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
Hawaiian Airlines Logo
6:35 pm - 7:10 pmFCA-SEA
1h 35mnonstop
Hawaiian Airlines Logo
9:59 am - 12:22 pmSEA-FCA
1h 23mnonstop
$217Hawaiian Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
Alaska Airlines Logo
8:02 pm - 8:41 pmFCA-SEA
1h 39mnonstop
Alaska Airlines Logo
9:36 pm - 11:59 pmSEA-FCA
1h 23mnonstop
$223Alaska Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
Hawaiian Airlines Logo
1:07 pm - 5:22 pmFCA-SEA
5h 15m1 stop
Hawaiian Airlines Logo
9:59 am - 12:22 pmSEA-FCA
1h 23mnonstop
$227Hawaiian Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
Delta Logo
6:10 pm - 11:59 pmFCA-SEA
6h 49m1 stop
Delta Logo
5:00 pm - 11:09 pmSEA-FCA
5h 09m1 stop
$237Delta
Find Deal
Fri, Oct 17 - Mon, Oct 20
Alaska Airlines Logo
1:07 pm - 5:50 pmFCA-SEA
5h 43m1 stop
Alaska Airlines Logo
9:36 pm - 11:58 pmSEA-FCA
1h 22mnonstop
$247Alaska Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6
Hawaiian Airlines Logo
8:02 pm - 8:41 pmFCA-SEA
1h 39mnonstop
Hawaiian Airlines Logo
9:36 pm - 11:59 pmSEA-FCA
1h 23mnonstop
$253Hawaiian Airlines
Find Deal
Fri, Sep 5 - Tue, Sep 9
Alaska Airlines Logo
8:02 pm - 8:41 pmFCA-SEA
1h 39mnonstop
Alaska Airlines Logo
5:20 am - 1:30 pmSEA-FCA
7h 10m1 stop
$255Alaska Airlines
Find Deal
Thu, Sep 4 - Wed, Sep 10

Alaska Airlines flights from Kalispell to Seattle

Our best Alaska Airlines deals on Kalispell to Seattle flight tickets
Alaska Airlines
Sep 4
FCA8:02 pmKalispell Glacier Park
1h 39m
SEA8:41 pmSeattle/Tacoma Intl
Sep 9
SEA9:36 pmSeattle/Tacoma Intl
1h 23m
FCA11:59 pmKalispell Glacier Park
$193
Find similar
Alaska Airlines
Sep 4
FCA8:02 pmKalispell Glacier Park
1h 39m
SEA8:41 pmSeattle/Tacoma Intl
Sep 7
SEA9:36 pmSeattle/Tacoma Intl
1h 23m
FCA11:59 pmKalispell Glacier Park
$223
Find similar
Alaska Airlines
Oct 3
FCA1:07 pmKalispell Glacier Park
5h 43m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Oct 6
SEA9:36 pmSeattle/Tacoma Intl
1h 22m
FCA11:58 pmKalispell Glacier Park
$247
Find similar

Delta flights from Kalispell to Seattle

Our best Delta deals on Kalispell to Seattle flight tickets
Delta
Oct 17
FCA6:10 pmKalispell Glacier Park
6h 49m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Oct 20
SEA5:00 pmSeattle/Tacoma Intl
5h 09m
1 stop
FCA11:09 pmKalispell Glacier Park
$237
Find similar
Delta
Aug 28
FCA5:20 amKalispell Glacier Park
4h 35m
1 stop
SEA8:55 amSeattle/Tacoma Intl
Aug 31
SEA5:30 amSeattle/Tacoma Intl
4h 43m
1 stop
FCA11:13 amKalispell Glacier Park
$458
Find similar
Delta
Aug 20
FCA6:11 pmKalispell Glacier Park
5h 09m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
Aug 25
SEA5:30 amSeattle/Tacoma Intl
4h 43m
1 stop
FCA11:13 amKalispell Glacier Park
$547
Find similar

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 August 14, 2025.
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

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 9/17

8:02 pm-8:41 pm

Nonstop1h 39m

Seattle/Tacoma Intl

Sun 9/21

9:36 pm-11:59 pm

Nonstop1h 23m

$187

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 9/4

8:02 pm-8:41 pm

Nonstop1h 39m

Seattle/Tacoma Intl

Tue 9/9

9:36 pm-11:59 pm

Nonstop1h 23m

$193

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 10/16

6:35 pm-7:10 pm

Nonstop1h 35m

Seattle/Tacoma Intl

Sun 10/19

9:59 am-12:22 pm

Nonstop1h 23m

$197

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 10/16

6:35 pm-7:10 pm

Nonstop1h 35m

Seattle/Tacoma Intl

Sun 10/19

9:59 am-12:22 pm

Nonstop1h 23m

$217

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 9/4

8:02 pm-8:41 pm

Nonstop1h 39m

Seattle/Tacoma Intl

Sun 9/7

9:36 pm-11:59 pm

Nonstop1h 23m

$223

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 10/16

1:07 pm-5:22 pm

1 stop5h 15m

Seattle/Tacoma Intl

Sun 10/19

9:59 am-12:22 pm

Nonstop1h 23m

$227

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 10/17

6:10 pm-11:59 pm

1 stop6h 49m

Seattle/Tacoma Intl

Mon 10/20

5:00 pm-11:09 pm

1 stop5h 09m

$237

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 10/3

1:07 pm-5:50 pm

1 stop5h 43m

Seattle/Tacoma Intl

Mon 10/6

9:36 pm-11:58 pm

Nonstop1h 22m

$247

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 9/5

8:02 pm-8:41 pm

Nonstop1h 39m

Seattle/Tacoma Intl

Tue 9/9

9:36 pm-11:59 pm

Nonstop1h 23m

$253

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 9/4

8:02 pm-8:41 pm

Nonstop1h 39m

Seattle/Tacoma Intl

Wed 9/10

5:20 am-1:30 pm

1 stop7h 10m

$255

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 cheapest month to fly to Seattle?

In general, April 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 $227. If you don’t want to visit Seattle in April, then you should wait until May to fly from Kalispell, when ticket prices are also cheap, with an average price of $238.

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 Friday. momondo users have found tickets for Friday departures for as low as $459. 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 $648.

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

Flying to Seattle from Kalispell in the evening is the least expensive time of day to depart. momondo users have found prices as low as $379 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $560. 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 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 $311 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 $250 on momondo.

What cabin class options are available on Kalispell Glacier Park to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Kalispell Glacier Park to Seattle/Tacoma Intl 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 August 2025, prices for Kalispell to Seattle flights are approximately 18% cheaper 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

$99

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Kalispell in the past 72 hours is $99. The best round-trip flight deal from Kalispell to Seattle found on momondo in the last 72 hours is $187.
The fastest flight from Kalispell to Seattle takes 1h 35m
Direct flights go from Kalispell to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • 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 35m, 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 $149Free CancellationRating
7.8
2,656 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $166Free CancellationRating
8.0
7,980 reviews
Search Delta flights
Alaska AirlinesPriceFrom $175Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Kalispell to Seattle

    Alaska Airlines operates around 26 flights from Kalispell to Seattle every week. The average price of these flights found in the last 72 hours has been $298, but momondo users have found Alaska Airlines deals from Kalispell to Seattle from as low as $175 round-trip. Alaska Airlines has been scored 8.0/10 in 10,000 reviews.

  • Hawaiian Airlines Flights From Kalispell to Seattle

    $149 is the best Hawaiian Airlines flight deal from Kalispell to Seattle found on momondo over the last 72 hours. The average Hawaiian Airlines ticket price found was closer to $288, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,656 user reviews) flies into Seattle from Kalispell 28 times in an average week so prices can vary.

Traveling to a place near Seattle?

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

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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