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$89+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SEA
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 60 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 28, 2025.

Round-trip from

$177
(Hawaiian Airlines)

One-way from

$89
(Delta)

Popular in

December

Cheapest in

April

Average price

$328

Good round-trip deal

$248 or less

Good one-way deal

$169 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 ($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 28, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:02 pmFCA - SEA
Nonstop1h 39mHawaiian Airlines
Sun 9/2110:00 amSEA - FCA
Nonstop1h 27mHawaiian Airlines
Deal found 7/26$177
This Expedia deal was found by Cheapflights users on 7/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:02 pmFCA - SEA
Nonstop1h 39mAlaska Airlines
Thu 9/259:36 pmSEA - FCA
Nonstop1h 23mAlaska Airlines
Deal found 7/27$218
This Delta deal was found by Cheapflights users on 7/28. 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 9/266:10 pmFCA - SEA
1 stop6h 49mDelta
Mon 9/295:30 amSEA - FCA
1 stop4h 44mDelta
Deal found 7/28$252
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Sat 8/1610:25 amFCA - SEA
1 stop7h 31mSun Country Air
Tue 8/196:40 pmSEA - FCA
1 stop13h 41mSun Country Air
Deal found 7/28$453

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 28, 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

Sat 9/20

8:02 pm-8:41 pm

Nonstop1h 39m

Seattle/Tacoma Intl

Sun 9/21

10:00 am-12:27 pm

Nonstop1h 27m

$177

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Tue 9/23

8:02 pm-8:41 pm

Nonstop1h 39m

Seattle/Tacoma Intl

Thu 9/25

9:36 pm-11:59 pm

Nonstop1h 23m

$218

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 9/26

6:10 pm-11:59 pm

1 stop6h 49m

Seattle/Tacoma Intl

Mon 9/29

5:30 am-11:14 am

1 stop4h 44m

$252

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sat 8/16

10:25 am-4:56 pm

1 stop7h 31m

Seattle/Tacoma Intl

Tue 8/19

6:40 pm-9:21 am

1 stop13h 41m

$453

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Thu 9/4

1:54 pm-8:19 am

2 stops19h 25m

Seattle/Tacoma Intl

Fri 9/5

7:34 pm-8:13 pm

1 stop23h 39m

$500

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 8/20

5:20 am-8:55 am

1 stop4h 35m

$89

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 8/20

8:02 pm-8:35 pm

Nonstop1h 33m

$109

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 8/15

8:00 pm-8:35 pm

Nonstop1h 35m

$164

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Fri 8/15

10:17 am-10:50 pm

1 stop13h 33m

$219

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sun 8/10

10:40 am-4:25 pm

1 stop6h 45m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 12 results
1
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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 July 25, 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, 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 $389). 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 28, 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 July 27, 2025.

Travelers seeking maximum savings on their Kalispell to Seattle flight should consider departing on Wednesday 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 28, 2025.

The most flights from FCA to SEA are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

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 28, 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

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 12 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, 15 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 Alaska Airlines, from $218, and Delta, from $252. 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 Delta ($89), Hawaiian Airlines ($109), and Alaska Airlines ($164).

  • 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 (95%), Korean Air (95%) or Hawaiian 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 $98. While the most popular route (Kalispell Glacier Park - Seattle/Tacoma Intl) can be booked for $177 on average our data indicates $2,269 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 $389). 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
Ocean Shores
Lakewood
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Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
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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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$144Average$268FlexibilityNo cancel feeOn-time85%
DeltaCheapest$166Average$297FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$177Average$300FlexibilityNo cancel feeOn-time75%

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