Cheap flights from Kalispell to Seattle

Compare Kalispell to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

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Flight deals from Kalispell Airport to Seattle

Looking for a cheap last-minute deal or the best round-trip flight from Kalispell Airport to Seattle? If you want to travel next month, round-trip fares start from $208. Find the lowest prices on one-way and round-trip 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.

Direct flights from Kalispell to Seattle

Kalispell to Seattle: Flight information

The things to know before you go.
Cheapest flight found$133
Cheapest month to flyJune
Average flight time1 hr, 35 mins
Most popular airlineHorizon Air
Average flights per week186

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 round-trip flight from Kalispell to Seattle is $200. 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.
There are 186 flights per week flying from Kalispell to Seattle, as of April 2026.
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 center of Seattle. We've found flights to this airport from $200.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kalispell Airport to Seattle on Saturday, May 30, 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

  • Expect to be in the air for 1 hour 20 minutes. That's the average duration of a direct flight from Glacier Park International Airport to Seattle.

  • Seattle is one hour behind Kalispell, where Glacier Park International Airport is located. Seattle follows the UTC-8 timezone.

  • The busiest route is from Glacier Park International Airport (FCA) to Seattle-Tacoma International Airport (SEA). Take your pick of 20 weekly services between these two airports. If you'd like to take off as soon as possible, the earliest flight from FCA to SEA is the 06:29 Alaska Airlines option. If you prefer to travel later, the final departure is at 20:00 with Alaska Airlines.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to board your FCA to Seattle flight.

  • Flying during a peak month like August? School holidays and other high seasons can lead to longer queues and delays at security. Play things extra safe and get there up to four hours before international flights and two hours before a domestic departure.

  • You can book a direct Glacier Park International Airport to Seattle ticket. Begin your trip at FCA and land at Seattle-Tacoma International Airport (SEA).

  • Alaska Airlines is a well-known carrier that offers direct flights from Glacier Park International Airport to Seattle.

  • The journey from central Kalispell to FCA takes about 30 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 13 kilometers in 15 minutes or so, depending on traffic conditions.

  • Booked an early flight from Glacier Park International Airport to Seattle? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels near FCA:

  • Glacier Park International Airport scores high marks for on-time performance. 83% of flights that depart FCA land on time.

  • You'll find FCA at 4170 Highway 2 East.

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

  • $133 is currently the lowest price for a one-way Glacier Park International Airport to Seattle flight. Return plane tickets start from $200. These prices can change depending on demand.

  • To score cheap flights from FCA to Seattle, book your trip three months ahead of your planned departure.

  • August is the best month for picking up an awesome deal on Glacier Park International Airport to Seattle tickets. If you'd like to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Spend less time searching for cheap flights from FCA to Seattle by creating a Price Alert. You'll receive an email or push notification on the app when a special offer becomes available.

  • Tailor your trip with filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Glacier Park International Airport to Seattle.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to the center of Seattle takes about 25 minutes by car. The center is roughly 23 kilometers away.

  • When traveling on public transport, expect a journey time of about 35 minutes.

  • If you have a late flight from Glacier Park International Airport to Seattle, few things beat the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and relaxing not long after at one of these accommodation options near SEA:

  • Reserving your ride from Seattle-Tacoma International Airport about one week in advance of your flight from FCA to Seattle can help you lock in the lowest rate.

Seattle Paine Field International Airport (PAE)

  • Once your flight from Glacier Park International Airport to Seattle has touched down, you can reach the city center in about 40 minutes by car. Central Seattle is roughly 40 kilometers from Seattle Paine Field International Airport (PAE).

  • If you choose to travel on public transport, you'll reach the center in 1 hour 30 minutes or so.

  • Following your FCA to Seattle flight, unwind at a hotel near PAE. These are some comfortable options that'll help you get into relaxation mode:

  • Get the vehicle you actually want, not just whatever's left, by securing your ride from PAE before your arrival. You'll also avoid paying more than you have to, especially when the airport is busy.

King County International Airport (BFI)

  • Set your sights on the city center after your flight from Glacier Park International Airport to Seattle has landed. Central Seattle is about 11 kilometers from King County International Airport (BFI) and takes roughly 20 minutes to reach by car.

  • The journey takes roughly 35 minutes when traveling on public transport.

  • If you don't want to make the trip to the center, choose a hotel near BFI. Get settled at one of these options after your FCA to Seattle flight:

  • Rental providers sometimes offer promotions for early bookings, so reserve your ride from BFI ahead of your flight from Glacier Park International Airport to Seattle. A little prep work can make a big difference in cost.

Best time to go to Seattle

  • July is the most popular month for flights from Glacier Park International Airport to Seattle. To steer clear of the crowds, head to Seattle in December.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your Glacier Park International Airport to Seattle plane ticket then if you enjoy this type of weather.

  • February sees average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for a cheap ticket from FCA to Seattle around that time if you want to travel when it's cooler.

More about Seattle

  • Start your Seattle trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Glacier Park International Airport to Seattle, check out our selection of hotels including:

  • Every great vacation has to include a little sightseeing. Pike Place Market, Space Needle and Seattle Skyline are essential stops on your Seattle itinerary.

Explore more of the United States

  • Seattle has its own special appeal, but there are so many other corners of the United States waiting to be discovered. Around 241 kilometers south of Seattle, a trip to Portland will fill your itinerary to the brim. Start with leading attractions like Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.

  • Spokane is another favorite destination in the United States and is around 370 kilometers east of Seattle. No trip is complete without seeing 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 45 days.