Cheapest return flights from San Jose to Keflavik in April from $894

Best time to book flights for San Jose (SJC) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from San Jose (SJC) to Keflavik (KEF) in April 2025 (see full year).

Return flights

10 Apr - 17 Apr Alaska Airlines
04 Apr - 13 Apr Icelandair

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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