Cheapest return flights from San Diego to San Juan in October from 375€

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

Return flights

19 Oct - 26 Oct Southwest Airlines
16 Oct - 25 Oct Delta

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

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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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