C$139 Cheap Flights from Kalispell (FCA) to Seattle (SEAA)

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Flight deals from Kalispell to Seattle

Looking for a cheap last-minute deal or the best return flight from Kalispell Airport to Seattle? If you want to travel next month, return fares start from C$266. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kalispell to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kalispell to Seattle flights are currently cheapest in May.

Which airlines fly from Kalispell to Seattle?

Kalispell to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$139
Cheapest month to flyMay
Average flight time1 hr, 35 mins
Most popular airlineHorizon Air
Average flights per week182

Finding cheap flights from Kalispell to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Kalispell to Seattle is C$266. 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 35 minutes is the average flight time from Kalispell to Seattle.
Horizon Air, Alaska Airlines and Qatar Airways fly direct from Kalispell to Seattle.
As of April 2026, there are 182 flights per week flying from Kalispell to Seattle.
The cheapest month to fly from Kalispell to Seattle is usually May.
If you're flying from Kalispell Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from C$266.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kalispell Airport to Seattle on Thursday, May 14, 2026.
Yes – the average flight time is 1 hour and 35 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 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.
In April, the average temperature is usually around 8°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Alaska Airlines offers the cheapest flight tickets to Seattle.

Flying from Glacier Park International Airport (FCA) to Seattle: what you need to know

  • Take a direct flight from Glacier Park International Airport to Seattle and you'll be travelling for an average of 1 hour 22 minutes.

  • The timezone in Seattle is UTC-7. The city is 1 hour behind Kalispell, where Glacier Park International Airport is located.

  • With 21 flights a week between the two airports, Glacier Park International Airport (FCA) to Seattle-Tacoma International Airport (SEA) is the most popular route. Alaska Airlines operates the earliest flight at 06:00. If you're eager to get more out of your day before jetting off, the latest flight from FCA to SEA is with Alaska Airlines at 20:55.

  • To ensure you catch your flight from FCA to Seattle, leave enough time to navigate the airport and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Hopping on a plane during a peak month like July? Popular periods (like summer, Christmas and New Year) can easily add another hour at security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • You can book a direct flight from Glacier Park International Airport to Seattle that lands at Seattle-Tacoma International Airport (SEA).

  • Alaska Airlines is a leading airline that operates direct flights from Glacier Park International Airport to Seattle.

  • Once you've booked flight tickets from Glacier Park International Airport to Seattle, get your travel documents in order. A passport or visa isn't needed since you're travelling within United States. As long as you have some other valid proof of identity, like an ID card or driver's licence, you're good to go.

  • FCA is about 16 kilometres from central Kalispell. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 19 minutes or so to arrive, depending on the traffic.

  • In search of a convenient hotel near FCA? If you're boarding an early flight from Glacier Park International Airport to Seattle, these stays will have you moments from your check-in counter:

How to find the cheapest flights from Glacier Park International Airport (FCA) to Seattle

  • The best price we've seen for a one-way ticket from Glacier Park International Airport to Seattle is C$139. The cheapest price for a return flight is C$266. Bear in mind fares can change due to availability at the time of booking.

  • Don't leave things to the last moment. You're more likely to find cheap tickets from FCA to Seattle if you book ahead. Airlines often have some amazing early bird discounts.

  • The 'Whole month' search function shows you the cheapest tickets from Glacier Park International Airport to Seattle throughout the month. It's the best way to snap up a bargain if your dates are flexible.

  • Create a Price Alert for cheap tickets from FCA to Seattle. There's no need to search every day to see if prices have dropped. We'll tell you the moment there's a change in price.

  • Play around with the filters to find your ideal journey. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Glacier Park International Airport to Seattle, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and number of stops.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle is approximately 23 kilometres. It'll take you around 18 minutes to get to the centre driving.

  • When travelling on public transport, expect a journey of around 54 minutes.

  • If you're coming in on a late flight from Glacier Park International Airport to Seattle, nothing beats the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and resting soon after at one of these hotels near SEA:

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • July is the busiest month to hop on a flight from Glacier Park International Airport to Seattle while May is the quietest. To work out the ideal time to go to Seattle, consider the pace you prefer to travel at.

  • Book your flight from Glacier Park International Airport to Seattle for August to visit the city during its warmest month. Expect temperatures to range from 12ºC to 28ºC.

  • February has average temperatures of between -1ºC and 11ºC. Search for cheap flights from FCA to Seattle around that time if you like cooler conditions.

More about Seattle

  • When it comes to searching for somewhere to lay your head, you'll find the top stays in Seattle right here. Explore these options after you've booked your flight from Glacier Park International Airport to Seattle:

  • Gas Works - Lake View Point and Queen Anne Bowl Playfield are just the start of the big attractions to add to your Seattle itinerary. Keep the sightseeing going at LMN Architects.

Complete your Seattle trip with a car rental

  • Finding you a cheap flight from Glacier Park International Airport to Seattle isn't the only trick up our sleeve. Check out our car rentals in Seattle and see the sights your way. We find deals from trusted car rental companies and put them all in one place. You can instantly compare offers and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.