Cheap flights from Kalispell to Seattle

One-way fares from $316 · FCA → SEA · prices found by travellers in the last 48 hours

Compare all dates Seattle → Kalispell
Cheapest fare
$316

Alaska Airlines · Fri, Nov 13

Cheapest month
November

from $316

Direct flights
Yes

Alaska Airlines

Flight time
1h 35m

610 km

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Cheapest month to fly from Kalispell to Seattle

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $316

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Alaska Airlines
Depart07:41 Fri, Nov 13FCA → SEA 1h 39m · Direct
$316one way, per person
View deal
See every date in November 2026 →

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Getting around

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About flights from Kalispell to Seattle

Kalispell (FCA) and Seattle (SEA) are about 610 km apart. Direct flights take around 1h 35m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $316, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Kalispell to Seattle?

The cheapest one-way fare we've seen recently is $316 with Alaska Airlines, departing Friday, November 13, 2026.

What is the cheapest month to fly from Kalispell to Seattle?

November 2026 currently has the lowest fares, from $316 one way.

Are there direct flights from Kalispell to Seattle?

Yes. Recent direct fares were with Alaska Airlines.

How long is the flight from Kalispell to Seattle?

A direct flight takes about 1h 35m. Kalispell and Seattle are around 610 km apart.

Which airlines fly from Kalispell to Seattle?

Recent fares on this route were with Alaska Airlines.

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