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$109+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SEA
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Find cheap flights from Kalispell to Seattle with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Kalispell Glacier Park to Seattle/Tacoma Intl are usually found in January or April, booked 60 days in advance, depart on a Friday or Wednesday and return on a Monday

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 March 11, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 4/146:05 am
FCA
-
SEA
Nonstop1h 34m
Alaska Airlines
Sat 4/189:50 am
SEA
-
FCA
Nonstop1h 22m
Alaska Airlines
Deal found 3/9$177
This Trip.com deal was found by Cheapflights users on 3/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:05 am
FCA
-
SEA
Nonstop1h 34m
Hawaiian Airlines
Sun 4/59:50 am
SEA
-
FCA
Nonstop1h 22m
Hawaiian Airlines
Deal found 3/6$178
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 3/308:26 pm
FCA
-
SEA
Nonstop1h 32m
Alaska Airlines
Sat 4/49:26 pm
SEA
-
FCA
Nonstop1h 21m
Alaska Airlines
Deal found 3/9$187
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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 4/91:52 pm
FCA
-
SEA
Nonstop1h 35m
Alaska Airlines
Sun 4/129:26 pm
SEA
-
FCA
Nonstop1h 21m
Alaska Airlines
Deal found 3/10$197
This Travelocity deal was found by Cheapflights users on 3/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:15 am
FCA
-
SEA
Nonstop1h 30m
Alaska Airlines
Sun 5/241:13 pm
SEA
-
FCA
Nonstop1h 21m
Alaska Airlines
Deal found 3/9$207
This Expedia deal was found by Cheapflights users on 3/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:40 pm
FCA
-
SEA
Nonstop1h 32m
Alaska Airlines
Sun 5/249:35 pm
SEA
-
FCA
Nonstop1h 23m
Alaska Airlines
Deal found 3/9$217
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 4/312:52 pm
FCA
-
SEA
1 stop3h 56m
Alaska Airlines
Fri 4/109:26 pm
SEA
-
FCA
Nonstop1h 21m
Alaska Airlines
Deal found 3/6$227
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 10/88:00 pm
FCA
-
SEA
Nonstop1h 37m
Alaska Airlines
Thu 10/221:16 pm
SEA
-
FCA
Nonstop1h 19m
Alaska Airlines
Deal found 3/9$237
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 10/312:10 pm
FCA
-
SEA
Nonstop1h 37m
Alaska Airlines
Sat 10/315:59 pm
SEA
-
FCA
2 stops19h 21m
Alaska Airlines
Deal found 3/9$249

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(Alaska Airlines)

One-way from

$109
(Expedia)

Popular in

September

Cheapest in

January

Average price

$287

Good round-trip deal

$274 or less

Good one-way deal

$238 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. 13% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 11, 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
Quickest round-trip

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Tue 4/14

8:26 pm-8:58 pm

Nonstop1h 32m

Seattle/Tacoma Intl

Sat 4/18

9:50 am-12:12 pm

Nonstop1h 22m

$177

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 4/3

1:52 pm-2:27 pm

Nonstop1h 35m

Seattle/Tacoma Intl

Fri 4/10

9:50 am-12:12 pm

Nonstop1h 22m

$197

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 4/9

6:05 am-6:39 am

Nonstop1h 34m

Seattle/Tacoma Intl

Sun 4/12

9:50 am-12:12 pm

Nonstop1h 22m

$197

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 6/11

11:28 am-12:05 pm

Nonstop1h 37m

Seattle/Tacoma Intl

Mon 6/29

8:23 am-10:48 am

Nonstop1h 25m

$362
Cheapest one-way
Quickest one-way

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 4/23

7:28 pm-7:59 pm

Nonstop1h 31m

$119

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Tue 5/26

12:20 pm-4:44 pm

1 stop5h 24m

$149

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sat 9/5

12:51 pm-1:28 pm

Nonstop1h 37m

$149

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 6/19

6:33 am-7:05 am

Nonstop1h 32m

$154

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sun 3/29

8:26 pm-8:58 pm

Nonstop1h 32m

$174

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sun 9/6

6:33 am-7:11 am

Nonstop1h 38m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 14 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 March.
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

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

Use this chart to determine the optimal time to book a round-trip flight from Kalispell to Seattle. Price data was last updated on March 6, 2026.

The best time to book flights from Kalispell to Seattle is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from Kalispell to Seattle (average of $111). Flying from Kalispell to Seattle in July is currently the most expensive (average of $238). 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 March 11, 2026.

A simple way to save on the total cost of your ticket is to fly from Kalispell to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 33% 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 February 21, 2026.

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

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 March 11, 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
8.0
Very good
12,025 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
12,025 reviews
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,838 reviews
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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 30m on average. When it comes time to book airfare, you have a few options: there are 9 outbound flights 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, 13 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 32m. 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 $144. Another airline that can offer you cheap pricing is Alaska Airlines. Hawaiian Airlines is 43% 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 Japan Airlines (92%), Korean Air (92%) or Hawaiian Airlines (87%) 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 $120. While the most popular route (Kalispell Glacier Park - Seattle/Tacoma Intl) can be booked for $197 on average, our data indicates $437 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, April is the cheapest month in which you can book a flight from Kalispell to Seattle (average of $111). Flying from Kalispell to Seattle in July is currently the most expensive (average of $238). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$144Average$327FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$147Average$283FlexibilityNo cancel feeOn-time75%

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