AirHint found the following cheapest return flights from San Jose (SJC) to Keflavik (KEF) in January 2026 (see full year).
Return flights
| 14 Jan - 21 Jan | Alaska Airlines | ||
| 21 Jan - 23 Jan | Alaska Airlines | ||
| 07 Jan - 14 Jan | Alaska Airlines | ||
| 06 Jan - 13 Jan | Alaska Airlines | ||
| 13 Jan - 24 Jan | Alaska Airlines | ||
| 07 Jan - 31 Jan | Alaska Airlines |
Also check the deals for one-way flights from San Jose to Keflavik in January.
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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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