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181 € Cheap Flights from Kalispell to Seattle / Tacoma International

Compare Kalispell to Seattle / Tacoma International flight deals

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Flight deals from Kalispell to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Kalispell Airport to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from 248 €. Find the lowest prices on one-way and return tickets right here.
Seattle.181 € per passenger.Departing Mon, 26 Oct, returning Thu, 29 Oct.Return flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departs from Kalispell on Mon, 26 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 29 Oct, arriving in Kalispell.Price includes taxes and charges.From 181 €, select.
Seattle.242 € per passenger.Departing Fri, 28 Aug, returning Tue, 1 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Fri, 28 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 1 Sep, arriving in Kalispell.Price includes taxes and charges.From 242 €, select.
Seattle.245 € per passenger.Departing Sat, 5 Sep, returning Mon, 7 Sep.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Kalispell on Sat, 5 Sep, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Mon, 7 Sep, arriving in Kalispell.Price includes taxes and charges.From 245 €, select.
Seattle.248 € per passenger.Departing Fri, 21 Aug, returning Thu, 27 Aug.Return flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departs from Kalispell on Fri, 21 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 27 Aug, arriving in Kalispell.Price includes taxes and charges.From 248 €, select.
Seattle.272 € per passenger.Departing Thu, 8 Oct, returning Thu, 15 Oct.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Kalispell on Thu, 8 Oct, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Thu, 15 Oct, arriving in Kalispell.Price includes taxes and charges.From 272 €, select.
Seattle.276 € per passenger.Departing Fri, 28 Aug, returning Mon, 31 Aug.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Kalispell on Fri, 28 Aug, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Mon, 31 Aug, arriving in Kalispell.Price includes taxes and charges.From 276 €, select.
Seattle.277 € per passenger.Departing Sun, 17 Jan, returning Sun, 24 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Sun, 17 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Sun, 24 Jan, arriving in Kalispell.Price includes taxes and charges.From 277 €, select.
Seattle.325 € per passenger.Departing Mon, 18 Jan, returning Mon, 25 Jan.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Kalispell on Mon, 18 Jan, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Mon, 25 Jan, arriving in Kalispell.Price includes taxes and charges.From 325 €, select.
Seattle.329 € per passenger.Departing Wed, 25 Nov, returning Fri, 27 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Wed, 25 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Fri, 27 Nov, arriving in Kalispell.Price includes taxes and charges.From 329 €, select.
Seattle.343 € per passenger.Departing Sat, 26 Sep, returning Mon, 5 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Sat, 26 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 5 Oct, arriving in Kalispell.Price includes taxes and charges.From 343 €, select.
Seattle.1.115 € per passenger.Departing Fri, 31 Jul, returning Fri, 7 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Fri, 31 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Fri, 7 Aug, arriving in Kalispell.Price includes taxes and charges.From 1.115 €, select.

Find the cheapest month to fly from Kalispell to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kalispell to Seattle / Tacoma International flights are currently cheapest in October.
Jul
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Aug
from 248 €
Sep
from 245 €
Oct
from 181 €
Nov
from 329 €
Dec
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Jan
from 277 €
Feb
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Mar
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Apr
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May
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Jun
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Direct flights from Kalispell to Seattle / Tacoma International

Kalispell to Seattle / Tacoma International: Alternative routes

Compare routes from Kalispell to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Seattle Lake Union SPB

2km from central Seattle
Closest
Search flights

Seattle Boeing Fld

11km from central Seattle
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Seattle / Tacoma International

20km from central Seattle
Cheapest
from 181 €
Search flights

Paine Field

33km from central Seattle
from 1.327 €
Search flights

Kalispell to Seattle: Flight information

The things to know before you go.
Cheapest flight found181 €
Cheapest month to flyOctober
Average flight time1 hr, 39 mins
Most popular airlineAlaska Airlines
Average flights per week92

Finding cheap flights from Kalispell to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Kalispell to Seattle / Tacoma International is 181 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 39 minutes is the average flight time from Kalispell to Seattle / Tacoma International.
Alaska Airlines, Horizon Air and Qatar Airways fly direct from Kalispell to Seattle / Tacoma International.
As of July 2026, there are 92 flights per week flying from Kalispell to Seattle / Tacoma International.
The cheapest month to fly from Kalispell to Seattle / Tacoma International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kalispell Airport to Seattle / Tacoma International Airport on Monday, 26 October 2026.
Yes – the average flight time is 1 hour and 39 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Allegiant Air and Alaska Airlines offer the cheapest flight tickets to Seattle / Tacoma International.

Flying from Kalispell Airport (FCA) to Seattle / Tacoma International Airport (SEA): what you need to know

  • Around 1 hour 35 minutes is how long you can expect to be in the air on a direct flight from Kalispell Airport to Seattle / Tacoma International Airport.

  • Seattle's timezone is UTC-8, which makes Seattle one hour behind Kalispell.

  • Flights from FCA to SEA start from 06:29 — the earliest with Alaska Airlines. The last departure is at 20:00 with Alaska Airlines. Overall, you can choose from 19 weekly Kalispell Airport to Seattle / Tacoma International Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport with enough time to catch your FCA to SEA flight.

  • During popular months like August, it's best to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead for an international flight when you travel during peak periods in general.

  • Alaska Airlines is your gateway to exploring Seattle (and perhaps some other exciting corners of the United States!). Browse the direct flights from Kalispell Airport to Seattle / Tacoma International Airport offered by this airline.

  • Alaska Airlines is the most frequently booked airline on this route.

  • Alaska Airlines is the most punctual carrier operating FCA to SEA flights. An impressive 80.22% of its services on this route arrive on time.

  • Think about adding a stopover when booking your ticket from Kalispell Airport to Seattle / Tacoma International Airport. Simply deselect 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here are some options between FCA and SEA:

    • Denver International Airport

    • San Francisco International Airport

    • Salt Lake City Airport

Handy information about Kalispell Airport (FCA)

  • FCA's address is 4170 Highway 2 East.

  • Kalispell Airport has an excellent on-time record, so flight disruptions are less likely. Departures from FCA land on schedule 83% of the time.

  • Kalispell Airport is around 11 kilometres from central Kalispell. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • Taking public transport? Expect a trip time of around 30 minutes.

  • Catching an early flight from Kalispell Airport to Seattle / Tacoma International Airport? Avoid the stress of rushing to the airport (and sneak in some extra precious sleep) by picking one of these hotels near FCA:

Arriving at Seattle / Tacoma International Airport (SEA)

Getting from Seattle / Tacoma International Airport (SEA) to central Seattle

  • Seattle / Tacoma International Airport to central Seattle has a drive time of around 25 minutes. It's approximately 23 kilometres away.

  • If you're travelling by public transport, expect a journey of around 35 minutes.

When to fly to Seattle / Tacoma International Airport (SEA)

  • July is the most popular month for flights from Kalispell Airport to Seattle / Tacoma International Airport. To avoid the crowds, head to Seattle in March.

  • Before locking in your flight from Kalispell Airport to Seattle / Tacoma International Airport, think about the kind of weather you enjoy. August is the warmest month in Seattle, with the temperature ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • For cooler conditions, search for a cheap ticket from FCA to SEA in February. Temperatures average between -1ºC (30ºF) and 11ºC (52ºF) then.

Explore more of the United States

  • Portland is just one of the many cities in the United States waiting to be explored after you've experienced Seattle. Around 241 kilometres away to the south, top sights here include Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.

  • Spokane is another essential stop in the United States and is around 370 kilometres east of Seattle. No trip is complete without dropping by Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.