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$78+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SEA
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Kalispell Glacier Park to Seattle/Tacoma Intl are usually found in April or November, booked 60 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap 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 October 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$137
(Alaska Airlines)

One-way from

$78
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$268

Good round-trip deal

$272 or less

Good one-way deal

$174 or less
Provider with most accurate pricing for Kalispell Glacier Park-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Kalispell Glacier Park-Seattle/Tacoma Intl flights.
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From Kalispell Glacier Park to Seattle/Tacoma Intl
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One-way flight from Kalispell Glacier Park to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 12% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Kalispell Glacier Park to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Kalispell Glacier Park to Seattle/Tacoma Intl.
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Find 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 October 27, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 12/96:30 amFCA - SEA
Nonstop1h 44mAlaska Airlines
Sat 12/139:59 amSEA - FCA
Nonstop1h 21mAlaska Airlines
Deal found 10/26$137
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/82:00 pmFCA - SEA
Nonstop1h 44mAlaska Airlines
Sat 12/139:59 amSEA - FCA
Nonstop1h 21mAlaska Airlines
Deal found 10/27$147
This Delta deal was found by Cheapflights users on 10/25. 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.
Wed 12/105:00 amFCA - SEA
1 stop5h 25mDelta
Sat 12/135:05 amSEA - FCA
1 stop5h 26mDelta
Deal found 10/25$157
This Delta deal was found by Cheapflights users on 10/25. 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.
Sat 12/135:00 amFCA - SEA
1 stop5h 25mDelta
Sun 12/145:25 amSEA - FCA
1 stop5h 06mDelta
Deal found 10/25$167
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 11/151:06 pmFCA - SEA
1 stop4h 53mAlaska Airlines
Tue 11/1810:02 amSEA - FCA
Nonstop1h 22mAlaska Airlines
Deal found 10/24$191
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/126:30 amFCA - SEA
Nonstop1h 44mAlaska Airlines
Sun 12/1412:45 pmSEA - FCA
1 stop23h 35mAlaska Airlines
Deal found 10/27$201
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/176:06 pmFCA - SEA
1 stop7h 05mDelta
Fri 11/215:25 amSEA - FCA
1 stop5h 01mDelta
Deal found 10/25$208
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 11/176:33 amFCA - SEA
Nonstop1h 42mAlaska Airlines
Fri 11/219:41 amSEA - FCA
Nonstop1h 29mAlaska Airlines
Deal found 10/25$243

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 October 27, 2025.
Use the filters below to find and compare flights from Kalispell to Seattle that are best for you.

Fly from

Kalispell

Fly to

Seattle

Route

Depart

Return

Price

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Tue 12/9

6:30 am-7:14 am

Nonstop1h 44m

Seattle/Tacoma Intl

Sat 12/13

9:59 am-12:20 pm

Nonstop1h 21m

$137

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 12/10

6:30 am-7:14 am

Nonstop1h 44m

Seattle/Tacoma Intl

Sat 12/13

9:59 am-12:20 pm

Nonstop1h 21m

$137

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Tue 1/13

7:46 pm-8:26 pm

Nonstop1h 40m

Seattle/Tacoma Intl

Mon 1/19

4:45 pm-7:06 pm

Nonstop1h 21m

$147

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Mon 1/12

7:46 pm-8:26 pm

Nonstop1h 40m

Seattle/Tacoma Intl

Mon 1/19

9:36 pm-11:58 pm

Nonstop1h 22m

$157

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sat 12/13

5:00 am-9:25 am

1 stop5h 25m

Seattle/Tacoma Intl

Sun 12/14

5:25 am-11:31 am

1 stop5h 06m

$167

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Mon 3/2

4:09 pm-6:23 pm

1 stop3h 14m

Seattle/Tacoma Intl

Thu 3/5

7:55 am-10:18 am

Nonstop1h 23m

$187

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sat 12/13

6:30 am-7:14 am

Nonstop1h 44m

Seattle/Tacoma Intl

Sun 12/14

12:45 pm-1:20 pm

1 stop23h 35m

$191

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 12/24

8:10 pm-8:56 pm

Nonstop1h 46m

Seattle/Tacoma Intl

Sun 12/28

9:54 pm-12:15 am

Nonstop1h 21m

$193

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sat 11/15

6:33 am-7:15 am

Nonstop1h 42m

Seattle/Tacoma Intl

Tue 11/18

9:36 pm-11:57 pm

Nonstop1h 21m

$193

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sat 12/13

6:06 pm-11:25 pm

1 stop6h 19m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 17 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 October 24, 2025.

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 October 27, 2025.

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 34% 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 October 26, 2025.

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.

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

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 October 27, 2025.
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
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,193 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,792 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 29m on average. When it comes time to book airfare, you have a few options: there are 8 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, 9 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 and Delta fly from Kalispell to Seattle in about 1h 44m. The time it takes to get you to your destination can typically vary by up to 3h 41m. There are 377 mi between Kalispell and Seattle. This flight may include one or multiple stops.

  • 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 53% 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 Finnair (100%), Qatar Airways (97%) or Japan Airlines (97%) 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 $118. While the most popular route (Kalispell Glacier Park - Seattle/Tacoma Intl) can be booked for $157 on average, our data indicates $580 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
SeaTac
Tukwila
Tacoma
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Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
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Chehalis
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Issaquah

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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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$144Average$293FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$169Average$299FlexibilityNo cancel feeOn-time75%

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