Cheapest return flights from San Diego to San Juan in January from 288€

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

Return flights

18 Jan - 31 Jan Southwest Airlines
30 Jan - 14 Feb United
04 Jan - 13 Jan Southwest Airlines
15 Jan - 24 Jan Southwest Airlines
11 Jan - 18 Jan Southwest Airlines
16 Jan - 21 Jan United
09 Jan - 17 Jan United

Also check the deals for one-way flights from San Diego 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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