Cheapest return flights from San Diego to San Juan in May from 295€

Best time to book flights for San Diego (SAN) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from San Diego (SAN) to San Juan (SJU) in May 2025 (see full year).

Return flights

14 May - 21 May Spirit Airlines
25 May - 04 Jun United
25 May - 03 Jun United
25 May - 02 Jun United
26 May - 04 Jun United
15 May - 18 May Alaska Airlines
20 May - 26 May United
16 May - 25 May Southwest Airlines
26 May - 03 Jun United
22 May - 26 May Alaska Airlines
26 May - 02 Jun Delta
23 May - 27 May Southwest Airlines
26 May - 01 Jun Southwest Airlines

Also check the deals for one-way flights from San Diego to San Juan in May.

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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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