Cheapest return flights from San Francisco to San Juan in July from 335€

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

Return flights

25 Jul - 29 Jul Frontier Airlines
19 Jul - 22 Jul United
19 Jul - 23 Jul United
17 Jul - 21 Jul United
18 Jul - 21 Jul United
19 Jul - 21 Jul United
30 Jul - 06 Aug Frontier Airlines
31 Jul - 08 Aug Frontier Airlines
28 Jul - 03 Aug United
26 Jul - 29 Jul Frontier Airlines
31 Jul - 03 Aug Frontier Airlines
31 Jul - 05 Aug Frontier Airlines
26 Jul - 02 Aug Frontier Airlines
26 Jul - 31 Jul Frontier Airlines
25 Jul - 04 Aug Frontier Airlines
28 Jul - 01 Aug Frontier Airlines
26 Jul - 03 Aug Frontier Airlines
30 Jul - 03 Aug Alaska Airlines
21 Jul - 28 Jul Delta
25 Jul - 27 Jul Frontier Airlines

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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