Cheapest return flights from San Francisco to San Juan in June from $337

Best time to book flights for San Francisco (SFO) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to San Juan (SJU) in June 2025 (see full year).

Return flights

03 Jun - 08 Jun jetBlue
08 Jun - 16 Jun Frontier Airlines
29 Jun - 04 Jul United
05 Jun - 08 Jun Frontier Airlines
02 Jun - 07 Jun jetBlue
04 Jun - 08 Jun Frontier Airlines
07 Jun - 13 Jun Frontier Airlines
10 Jun - 17 Jun Delta
06 Jun - 10 Jun Frontier Airlines
11 Jun - 18 Jun Frontier Airlines
15 Jun - 20 Jun jetBlue

Also check the deals for one-way flights from San Francisco to San Juan in June.

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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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