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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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SEA
Jul 14 — Jul 211
Mon 7/14
Mon 7/21
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 May, booked 26 days in advance, depart on a Friday or Thursday 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 July 9, 2025.

Round-trip from

$157
(Alaska Airlines)

One-way from

$99
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$306

Good round-trip deal

$267 or less

Good one-way deal

$219 or less
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. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 9, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/7. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:02 pmFCA - SEA
Nonstop1h 39mHawaiian Airlines
Tue 10/79:59 amSEA - FCA
Nonstop1h 23mHawaiian Airlines
Deal found 7/7$157
This Alaska Airlines deal was found by Cheapflights users on 7/6. 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.
Sat 8/304:51 pmFCA - SEA
Nonstop1h 38mAlaska Airlines
Sun 8/311:48 pmSEA - FCA
Nonstop1h 23mAlaska Airlines
Deal found 7/6$167
This Delta deal was found by Cheapflights users on 7/7. 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 9/306:10 pmFCA - SEA
1 stop5h 14mDelta
Tue 10/75:45 pmSEA - FCA
1 stop4h 22mDelta
Deal found 7/7$197

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 9, 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 9/30

8:02 pm-8:41 pm

Nonstop1h 39m

Seattle/Tacoma Intl

Tue 10/7

9:59 am-12:22 pm

Nonstop1h 23m

$157

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sat 8/30

4:51 pm-5:29 pm

Nonstop1h 38m

Seattle/Tacoma Intl

Sun 8/31

1:48 pm-4:11 pm

Nonstop1h 23m

$167

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Tue 9/30

6:10 pm-10:24 pm

1 stop5h 14m

Seattle/Tacoma Intl

Tue 10/7

5:45 pm-11:07 pm

1 stop4h 22m

$197

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sat 10/4

6:35 pm-7:10 pm

Nonstop1h 35m

$99

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 8/7

10:40 am-4:25 pm

1 stop6h 45m

$122

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 7/31

6:33 am-7:11 am

Nonstop1h 38m

$161

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sun 10/19

6:12 pm-12:09 am

1 stop6h 57m

$169

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 7/23

10:25 am-5:05 pm

1 stop7h 40m

$212

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sun 10/5

3:30 pm-10:24 am

2 stops19h 54m

$252

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 8/1

4:12 pm-8:48 am

1 stop17h 36m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

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 June 27, 2025.

The best time to book flights from Kalispell to Seattle is 26 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, January is the cheapest month in which you can book a flight from Kalispell to Seattle (average of $238). Flying from Kalispell to Seattle in June is currently the most expensive (average of $388). 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 9, 2025.

A simple way to save on the total cost of your ticket is to fly from Kalispell to Seattle at noon. 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 6, 2025.

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

Weekly flight availability from Kalispell to Seattle

Explore weekly flight availability from Kalispell to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 9, 2025.

The most flights from FCA to SEA are scheduled on a Monday (13 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).

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 July 9, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, 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
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,958 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,556 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,843 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 10 outbound flights from Glacier Park to Seattle/Tacoma Intl offered by 3 different airlines.

  • How popular is this Kalispell to Seattle flight route?

    Within the past month, 14 users have taken a look at flights from Kalispell Glacier Park to Seattle/Tacoma Intl.

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

    Cheapflights users have booked flights from Kalispell to Seattle round-trip from $157. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $177, and Delta, from $197. Alaska Airlines is 49% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Kalispell to Seattle one-way?

    The cheapest airlines for a one-way flight from Kalispell to Seattle are Alaska Airlines ($99), Hawaiian Airlines ($161), and Sun Country Air ($212).

  • 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 (93%), Korean Air (93%) or Qatar Airways (92%) 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 $124. While the most popular route (Kalispell Glacier Park - Seattle/Tacoma Intl) can be booked for $167 on average our data indicates $377 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 $238). Flying from Kalispell to Seattle in June is currently the most expensive (average of $388). 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 Kalispell?

Book flights to Kalispell if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Chehalis
Kirkland
Aberdeen
Federal Way
Shelton

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Top 3 airlines flying from Kalispell to Seattle

Discover the top 3 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 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$144Average$268FlexibilityNo cancel feeOn-time85%
DeltaCheapest$166Average$297FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$177Average$304FlexibilityNo cancel feeOn-time75%

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