Cheap Flights from Kalispell to Seattle

Cheapest flights from Kalispell to Seattle

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Kalispell to Seattle. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$165

Allegiant Air

2 layovers

20h 4m

10/13/2026

The cheapest one-way flight from Kalispell to Seattle departs on 10/13/2026, is operated by Allegiant Air and costs $165

Cheapest round trip flight

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There is no information about the cheapest roundtrip flight from Kalispell to Seattle

The fastest flight

1h 34m

Fastest flight from Kalispell to Seattle takes 1h 34m

Direct flights

Several times a week

There are direct flights on this route 4 days a week: Su, Tu, Th, and Fr

Earliest flight

6:00 AM

Latest flight

8:01 PM

Direct flights count

30

Distance

606km

Timezone difference

1h

The distance between Kalispell and Seattle is 606km (376 miles). There are 30 direct flights from Kalispell to Seattle. The time difference between Kalispell and Seattle is 1h. Flights from Kalispell begin at 6:00 AM. The latest flight from Kalispell departs at 8:01 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Kalispell to Seattle by month

The minimum one-way ticket price from Kalispell to Seattle is $165 (October 2026), while the maximum is $309 (August 2026). On average, a ticket costs $237–$309.

October 2026

Lowest price

on average:

$165

August 2026

Highest price

on average:

$309

Avg Price

Airlines operating on route

The route Kalispell — Seattle is served by several airlines: Alaska Airlines, Allegiant Air, and United Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $165 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.

Alaska Airlines

starting at $308

Allegiant Air

starting at $165

United Airlines

starting at $505

Non-stop flights from Kalispell to Seattle

A non-stop flight is the most convenient and comfortable way to fly from Kalispell to Seattle, despite the fact that sometimes flights with transfers can cost significantly less.

Kalispell — Seattle

FCA — SEA

08/21/2026

Departure

Direct flight

AS2244

starting at $514

Kalispell — Seattle

FCA — SEA

08/23/2026

Departure

Direct flight

AS2244

starting at $582

Kalispell — Seattle

FCA — SEA

08/27/2026

Departure

Direct flight

AS2292

starting at $375

Kalispell — Seattle

FCA — SEA

10/13/2026

Departure

Direct flight

AS2354

starting at $380

Schedule of direct flights from Kalispell to Seattle

There are most likely no direct flights on the Kalispell — Seattle route

Kalispell airports overview

Glacier Park International Airport

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FCA

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Seattle airports overview

Boeing Field International Airport

•

BFI

8km

Seattle-Tacoma International Airport

•

SEA

19km

Primary air hub for the Seattle metropolitan area and Puget Sound, offering extensive domestic and international routes, multiple terminals, light rail and shuttle connections, and convenient access to downtown Seattle.

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Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Kalispell to Seattle?

The cheapest flight ticket from Kalispell to Seattle according to data for the last 48 hours costs $165

When is the best time to buy air tickets on the route Kalispell — Seattle?

Often the best time to buy tickets from Kalispell to Seattle is 2 months before departure.

When is the cheapest time of year to fly from Kalispell to Seattle?

Based on statistics over the past years, the lowest prices for flights from Kalispell to Seattle can be found flying in these months: October, August.

How long does it take to fly from Kalispell to Seattle?

The fastest flights from Kalispell to Seattle start from 1 hour 34 minutes in the air.

Which airline can fly direct from Kalispell to Seattle?

The following airlines operate direct flights on the route Kalispell — Seattle: Alaska Airlines

Special offers and sales on air tickets from Kalispell to Seattle

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Kalispell to Seattle

Alternative routes

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Cheapest one way flight

$165

Allegiant Air

2 layovers

20h 4m

10/13/2026

The cheapest one-way flight from Kalispell to Seattle departs on 10/13/2026, is operated by Allegiant Air and costs $165

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Kalispell to Seattle

The fastest flight