Cheapest return flights from Reykjavik to San Juan in January from $1034

AirHint found the following cheapest return flights from Reykjavik (REK) to San Juan (SJU) in January 2026 (see full year).

Return flights

02 Jan - 23 Jan Icelandair

Also check the deals for one-way flights from Reykjavik to San Juan 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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