AirHint found the following cheapest return flights from San Jose (SJC) to Keflavik (KEF) in February 2026 (see full year).

Return flights

03 Feb - 10 Feb	Hawaiian Airlines
26 Feb - 05 Mar	Alaska Airlines
28 Feb - 07 Mar	Alaska Airlines
25 Feb - 04 Mar	Alaska Airlines
07 Feb - 14 Feb	Alaska Airlines
19 Feb - 26 Feb	Alaska Airlines
27 Feb - 06 Mar	Alaska Airlines
02 Feb - 09 Feb	Alaska Airlines
05 Feb - 12 Feb	Alaska Airlines
08 Feb - 15 Feb	Alaska Airlines
23 Feb - 02 Mar	Alaska Airlines
01 Feb - 08 Feb	Alaska Airlines
16 Feb - 23 Feb	Alaska Airlines
20 Feb - 27 Feb	Alaska Airlines
21 Feb - 28 Feb	Alaska Airlines
22 Feb - 01 Mar	Alaska Airlines

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

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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Cheapest return flights from San Jose to Keflavik in February from 657€

Return flights