$109 Cheap Flights from Kalispell (FCA) to Seattle (SEA)

View $109 flight on Fri, Apr 3, 2026Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Kalispell to Seattle (FCA-SEA)

Prices were available within the past 7 days and start at $109 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, May 12 - Tue, May 19
FCA
Kalispell
SEA
Seattle
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, May 12 from Kalispell to Seattle, returning Tue, May 19, priced at $177 found 1 hour ago
Alaska Airlines
Mon, Mar 30 - Sat, Apr 4
FCA
Kalispell
SEA
Seattle
$187 Roundtrip, found 7 hours ago
$187
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Mon, Mar 30 from Kalispell to Seattle, returning Sat, Apr 4, priced at $187 found 7 hours ago
Alaska Airlines
Thu, Apr 9 - Sun, Apr 12
FCA
Kalispell
SEA
Seattle
$197 Roundtrip, found 3 hours ago
$197
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Thu, Apr 9 from Kalispell to Seattle, returning Sun, Apr 12, priced at $197 found 3 hours ago
Delta
Tue, Apr 14 - Wed, Apr 15
FCA
Kalispell
SEA
Seattle
$207 Roundtrip, found 3 days ago
$207
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Apr 14 from Kalispell to Seattle, returning Wed, Apr 15, priced at $207 found 3 days ago
Alaska Airlines
Tue, May 19 - Thu, May 28
FCA
Kalispell
SEA
Seattle
$207 Roundtrip, found 8 hours ago
$207
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Tue, May 19 from Kalispell to Seattle, returning Thu, May 28, priced at $207 found 8 hours ago
Alaska Airlines
Tue, Apr 21 - Tue, Apr 28
FCA
Kalispell
SEA
Seattle
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Apr 21 from Kalispell to Seattle, returning Tue, Apr 28, priced at $212 found 1 day ago
Delta
Tue, Apr 14 - Fri, Apr 17
FCA
Kalispell
SEA
Seattle
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Apr 14 from Kalispell to Seattle, returning Fri, Apr 17, priced at $217 found 1 day ago
Hawaiian Airlines
Sun, Apr 5 - Fri, Apr 10
FCA
Kalispell
SEA
Seattle
$237 Roundtrip, found 3 days ago
$237
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sun, Apr 5 from Kalispell to Seattle, returning Fri, Apr 10, priced at $237 found 3 days ago
United
Thu, Apr 30 - Sun, May 3
FCA
Kalispell
SEA
Seattle
$560 Roundtrip, found 3 days ago
$560
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 30 from Kalispell to Seattle, returning Sun, May 3, priced at $560 found 3 days ago
American Airlines
Sun, May 31 - Mon, Jun 1
FCA
Kalispell
SEA
Seattle
$791 Roundtrip, found 15 hours ago
$791
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sun, May 31 from Kalispell to Seattle, returning Mon, Jun 1, priced at $791 found 15 hours ago

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Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $393
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $393

Frequently asked questions

How much does a flight from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from $109 and cheap return flights from $177 Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights usually range from $89 to $1175, and return flights typically cost between $247 and $1369. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
April is the cheapest month to fly from Kalispell, MT (FCA) to Seattle, WA (SEA), with average return fares around $237. This fare is about 25% lower than the average price throughout the year, as travel demand is generally lower in spring. Other budget-friendly months for this route include January and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Choose from 2 airlines operating direct flights from FCA to SEA:

  • Hawaiian Airlines operates around 21 direct flights from FCA to SEA every week
  • British Airways operates around 7 direct flights from FCA to SEA every week

What is the cheapest airline that flies from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Glacier Park Intl. (FCA) to Seattle - Tacoma Intl. (SEA), with round-trip tickets starting from around $512. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Kalispell, MT (FCA) to Seattle, WA (SEA) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. United offers the most daily flights from FCA to SEA, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
For flights from Kalispell (FCA) to Seattle (SEA), the best times to fly are in January and April. Return flights during these months average around $237, making them quite budget-friendly. January is a great time to enjoy winter sports in the area, while April brings beautiful spring blooms to Seattle.*Prices based on flights available on Expedia in the last year.
How many flights per day from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
On average, there are around 1 nonstop flights per day from Glacier Park Intl. (FCA) to Seattle - Tacoma Intl. (SEA). For more options, look at flights that include layovers.
What is the earliest flight from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Kalispell, MT (Glacier Park Intl.) to Seattle, WA (Seattle - Tacoma Intl.) typically departs at about 5:00 AM. This flight is operated by Delta, making it a great choice for those wanting to start their day early in Seattle. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Kalispell, MT (FCA) to Seattle, WA (SEA) are from 12pm to 3pm. This accounts for around 37% of total traffic. Many major carriers, including Alaska Airlines and United Airlines, offer flights during this window. Many travelers prefer this time because it fits well with afternoon plans in Seattle.
How long does it take to fly from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A nonstop flight from FCA to SEA typically takes around 1 hour 50 minutes, covering approximately 378 miles. Connecting flights on this route usually add 5 hours 40 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
First class is available on flights from FCA to SEA. First class cabins are available on:

  • Delta Air Lines
  • United Airlines
  • American Airlines
  • Hawaiian Airlines

How much is a business class flight from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A direct, return business class ticket from Kalispell (FCA) to Seattle (SEA) typically costs between $738 - $1,437 per adult. A non-stop, one-way business class flight is usually around $449 - $629. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Glacier Park Intl. (FCA)?
From Glacier Park Intl. (FCA), you can fly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Salt Lake City Intl. (SLC), Denver Intl. (DEN), Los Angeles Intl. (LAX) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Kalispell, MT (FCA-Glacier Park Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Glacier Park Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$177
Distance
377 mi

Book with confidence

Kalispell to Seattle Flights

The cheapest times to fly from Kalispell to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kalispell to Seattle are during the month of May. You can find some of the cheapest flights from Kalispell to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kalispell to Seattle

Sunday is one of the best days to book for cheap flights from Kalispell to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kalispell to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kalispell to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from $109 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kalispell to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kalispell to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Kalispell to Seattle Flights

*Flight schedules are subject to change.

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