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$79+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$177
(Hawaiian Airlines)

One-way from

$79
(Hawaiian Airlines)

Popular in

December

Cheapest in

April

Average price

$298

Good round-trip deal

$286 or less

Good one-way deal

$189 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 ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 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 33mHawaiian Airlines
Tue 10/79:59 amSEA - FCA
Nonstop1h 23mHawaiian Airlines
Deal found 6/10$157
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:12 pmFCA - SEA
1 stop5h 04mDelta
Tue 10/75:45 amSEA - FCA
1 stop5h 02mDelta
Deal found 6/10$212
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/249:30 pmFCA - SEA
1 stop19h 23mMultiple Airlines
Wed 9/104:58 pmSEA - FCA
1 stop22h 45mMultiple Airlines
Deal found 6/10$234
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 10/161:07 pmFCA - SEA
2 stops7h 03mAlaska Airlines
Sun 10/199:59 amSEA - FCA
Nonstop1h 23mAlaska Airlines
Deal found 6/10$287
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/910:25 amFCA - SEA
1 stop7h 46mSun Country Air
Fri 7/1111:59 pmSEA - FCA
1 stop9h 06mSun Country Air
Deal found 6/10$469
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3012:41 pmFCA - SEA
2 stops35h 34mUnited Airlines
Tue 10/75:31 pmSEA - FCA
1 stop20h 56mUnited Airlines
Deal found 6/11$578

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 June 12, 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-8:35 pm

Nonstop1h 33m

Seattle/Tacoma Intl

Tue 10/7

9:59 am-12:22 pm

Nonstop1h 23m

$157

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Tue 9/30

6:12 pm-10:16 pm

1 stop5h 04m

Seattle/Tacoma Intl

Tue 10/7

5:45 am-11:47 am

1 stop5h 02m

$212

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sun 8/24

9:30 pm-3:53 pm

1 stop19h 23m

Seattle/Tacoma Intl

Wed 9/10

4:58 pm-4:43 pm

1 stop22h 45m

$234

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 10/16

1:07 pm-7:10 pm

2 stops7h 03m

Seattle/Tacoma Intl

Sun 10/19

9:59 am-12:22 pm

Nonstop1h 23m

$287

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 7/9

10:25 am-5:11 pm

1 stop7h 46m

Seattle/Tacoma Intl

Fri 7/11

11:59 pm-10:05 am

1 stop9h 06m

$469

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Tue 9/30

12:41 pm-11:15 pm

2 stops35h 34m

Seattle/Tacoma Intl

Tue 10/7

5:31 pm-3:27 pm

1 stop20h 56m

$578

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 8/13

8:00 pm-8:35 pm

Nonstop1h 35m

$79

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sun 8/31

6:39 am-7:15 am

Nonstop1h 36m

$109

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Tue 7/22

1:15 pm-4:25 pm

1 stop28h 10m

$112

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 8/6

5:30 am-9:14 am

1 stop4h 44m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
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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 9, 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 July is currently the most expensive (average of $391). 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 June 12, 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 29% 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 June 8, 2025.

Travelers seeking maximum savings on their Kalispell to Seattle flight should consider departing on Friday 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 June 12, 2025.

The most flights from FCA to SEA are scheduled on a Thursday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Kalispell to Seattle to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
Sun Country Air
6.9
Okay
345 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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 33m 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 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 $177. Other airlines that can offer you cheap pricing are Delta, from $277, and Alaska Airlines, from $325. Hawaiian Airlines is 43% 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 Hawaiian Airlines ($79), Alaska Airlines ($109), and Delta ($124).

  • 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 (96%) or Japan Airlines (93%) 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 $119. While the most popular route (Kalispell Glacier Park - Seattle/Tacoma Intl) can be booked for $157 on average our data indicates $420 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 July is currently the most expensive (average of $391). 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
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$144Average$268FlexibilityNo cancel feeOn-time85%
DeltaCheapest$166Average$287FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$176Average$303FlexibilityNo cancel feeOn-time75%

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