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$99+ Cheap flights from Kalispell to Seattle (FCA - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SEA
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap flight deals from Kalispell to Seattle

Cheapest flights from Kalispell to Seattle
Explore the most affordable flight options available from Kalispell to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:47 am
FCA
-
SEA
1 stop24h 44m
Multiple Airlines
Thu 10/297:00 pm
SEA
-
FCA
1 stop13h 32m
Multiple Airlines
Deal found 7/22$170
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:21 pm
FCA
-
SEA
Nonstop1h 37m
Alaska Airlines
Tue 9/225:20 pm
SEA
-
FCA
Nonstop1h 21m
Alaska Airlines
Deal found 7/22$257
This Priceline deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:08 pm
FCA
-
SEA
Nonstop1h 37m
Alaska Airlines
Tue 9/228:35 pm
SEA
-
FCA
Nonstop1h 21m
Alaska Airlines
Deal found 7/22$267
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:21 pm
FCA
-
SEA
Nonstop1h 37m
Alaska Airlines
Mon 10/59:59 am
SEA
-
FCA
Nonstop1h 24m
Alaska Airlines
Deal found 7/21$277
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:09 pm
FCA
-
SEA
1 stop6h 50m
Delta
Mon 8/315:45 am
SEA
-
FCA
1 stop4h 24m
Delta
Deal found 7/20$287
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:01 pm
FCA
-
SEA
Nonstop1h 37m
Alaska Airlines
Sat 9/128:35 pm
SEA
-
FCA
Nonstop1h 21m
Alaska Airlines
Deal found 7/21$292
This Alaska Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:34 pm
FCA
-
SEA
Nonstop1h 35m
Alaska Airlines
Mon 11/99:39 pm
SEA
-
FCA
Nonstop1h 20m
Alaska Airlines
Deal found 7/20$293
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:15 am
FCA
-
SEA
Nonstop1h 34m
Alaska Airlines
Mon 8/3110:02 am
SEA
-
FCA
Nonstop1h 26m
Alaska Airlines
Deal found 7/22$302
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:35 pm
FCA
-
SEA
1 stop7h 17m
Delta
Thu 10/2911:05 am
SEA
-
FCA
1 stop5h 24m
Delta
Deal found 7/19$308

Find flight deals from Kalispell to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$170
(Kiwi.com)

One-way from

$99
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$527

Good round-trip deal

$425 or less

Good one-way deal

$244 or less
Provider with most accurate pricing for Kalispell Glacier Park-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalispell Glacier Park-Seattle/Tacoma Intl flights.
Search Deals
From Kalispell Glacier Park to Seattle/Tacoma Intl
Search Deals
One-way flight from Kalispell Glacier Park to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Kalispell Glacier Park to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Kalispell Glacier Park to Seattle/Tacoma Intl.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 24, 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

Wed 9/16

8:21 pm-8:58 pm

Nonstop1h 37m

Seattle/Tacoma Intl

Tue 9/22

5:20 pm-7:41 pm

Nonstop1h 21m

$257

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 9/24

8:21 pm-8:58 pm

Nonstop1h 37m

Seattle/Tacoma Intl

Sun 9/27

5:20 pm-7:41 pm

Nonstop1h 21m

$277

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 11/20

7:37 pm-8:15 pm

Nonstop1h 38m

Seattle/Tacoma Intl

Tue 12/1

1:16 pm-3:35 pm

Nonstop1h 19m

$297

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 9/16

6:00 pm-10:10 pm

1 stop5h 10m

Seattle/Tacoma Intl

Tue 9/22

5:45 am-11:47 am

1 stop5h 02m

$322

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 10/1

1:00 pm-6:51 pm

1 stop6h 51m

Seattle/Tacoma Intl

Mon 10/5

9:59 am-12:23 pm

Nonstop1h 24m

$342

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 11/20

6:10 pm-12:11 am

1 stop7h 01m

Seattle/Tacoma Intl

Tue 12/1

5:45 am-11:49 am

1 stop5h 04m

$357
Quickest round-trip

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sun 8/30

6:15 am-6:49 am

Nonstop1h 34m

Seattle/Tacoma Intl

Mon 9/7

8:35 pm-10:56 pm

Nonstop1h 21m

$393
Cheapest one-way

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Tue 8/25

5:15 am-8:57 am

1 stop4h 42m

$134

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sat 10/31

6:09 pm-10:05 pm

1 stop4h 56m

$144

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Tue 11/10

6:30 am-7:09 am

Nonstop1h 39m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from Kalispell to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kalispell to Seattle in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kalispell-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalispell-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kalispell-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kalispell to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Kalispell with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kalispell to Seattle

What is the cheapest month to book a flight from Kalispell to Seattle?

Currently, January is the cheapest month in which you can book a flight from Kalispell to Seattle (average of $177). Flying from Kalispell to Seattle in May is currently the most expensive (average of $667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from FCA to SEA?

Find hourly flight availability from Kalispell to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 24, 2026.

A simple way to save on the total cost of your ticket is to fly from Kalispell to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Kalispell to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Kalispell to Seattle. Price data was last updated on July 18, 2026.

Travelers seeking maximum savings on their Kalispell to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Kalispell to Seattle?

Airfare is below average for this route at the moment.

Kalispell to Seattle flights typically cost between $414 and $552 in October.
The cheapest round-trip price found within the last 5 days was $170 on Multiple Airlines (Oct 26-Oct 29).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated July 24, 2026.
Get a feel of what it's like to fly with Alaska Airlines and Hawaiian Airlines from Kalispell to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,704 reviews

Entertainment

7.0

Overall

7.9

Food

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,704 reviews
Alaska Airlines
7.9
Good
12,704 reviews

Entertainment

7.0

Overall

7.9

Food

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Hawaiian Airlines
7.8
Good
2,821 reviews
Alaska Airlines
7.9
Good
12,704 reviews

Entertainment

7.0

Overall

7.9

Food

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Related info for your journey

Find useful and relevant information for your journey from Kalispell to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Kalispell to Seattle?

    To fly from Kalispell to Seattle, you need to book a flight from Glacier Park (FCA) to Seattle/Tacoma Intl (SEA). Nonstop flights to Seattle/Tacoma Intl from Kalispell Glacier Park take 1h 32m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Glacier Park to Seattle/Tacoma Intl offered by 2 different airlines.

  • How popular is this Kalispell to Seattle flight route?

    Within the past month, 10 users have taken a look at flights from Kalispell Glacier Park to Seattle/Tacoma Intl.

  • How long is the flight from Kalispell to Seattle?

    Airlines like Alaska Airlines fly from Kalispell to Seattle in about 1h 37m. The time it takes to get you to your destination is usually consistent. There are 377 mi between Kalispell and Seattle. All flights are typically nonstop.

  • What are the cheapest airlines flying from Kalispell to Seattle round-trip?

    Cheapflights users have booked flights from Kalispell to Seattle round-trip from $137. Another airline that can offer you cheap pricing is Alaska Airlines. Hawaiian Airlines is 58% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Kalispell to Seattle?

    No one likes to see their flight delayed. When booking a flight from Kalispell to Seattle consider choosing British Airways (84%), Qatar Airways (82%) or Alaska Airlines (80%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Kalispell to Seattle?

    Looking at all options, your cheapest flight can be booked for $174. While the most popular route (Kalispell Glacier Park - Seattle/Tacoma Intl) can be booked for $170 on average, our data indicates $461 when flying from Kalispell to Seattle.

  • Can I find deals for flights from Kalispell to Seattle that include hotel bookings?

    Yes. In addition to deals on Kalispell to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kalispell to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to Seattle.

  • Can I find deals for business class flights from Kalispell to Seattle?

    Yes. Cheapflights offers flight deals from Kalispell to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kalispell to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Kalispell to Seattle (average of $177). Flying from Kalispell to Seattle in May is currently the most expensive (average of $667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Renton
Lacey
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Kalispell to Seattle

Discover the top 2 airlines that operate flights from Kalispell to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$137Average$333FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$157Average$321FlexibilityNo cancel feeOn-time75%

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