Cheapest return flights from San Francisco to San Juan in July from $349

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 July 2025 (see full year).

Return flights

09 Jul - 17 Jul Delta
09 Jul - 18 Jul Delta
08 Jul - 15 Jul jetBlue
18 Jul - 24 Jul jetBlue
18 Jul - 25 Jul United
15 Jul - 22 Jul Delta
13 Jul - 19 Jul United
15 Jul - 20 Jul Frontier Airlines
19 Jul - 26 Jul jetBlue
11 Jul - 13 Jul jetBlue
30 Jul - 11 Aug jetBlue

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

Skyscanner

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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