Cheapest return flights from Kalispell to Keflavik in April from 819€

AirHint found the following cheapest return flights from Kalispell (FCA) to Keflavik (KEF) in April 2026 (see full year).

Return flights

20 Apr - 24 May Alaska Airlines

Also check the deals for one-way flights from Kalispell to Keflavik in April.

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