Cheapest return flights from San Francisco to San Juan in January from $195

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 January 2025 (see full year).

Return flights

21 Jan - 28 Jan Frontier Airlines
28 Jan - 05 Feb Frontier Airlines
30 Jan - 05 Feb Frontier Airlines
13 Jan - 25 Jan Frontier Airlines
18 Jan - 22 Jan Frontier Airlines
22 Jan - 26 Jan Frontier Airlines
21 Jan - 26 Jan Frontier Airlines
15 Jan - 22 Jan Frontier Airlines
18 Jan - 25 Jan Frontier Airlines
14 Jan - 21 Jan Frontier Airlines
14 Jan - 18 Jan Frontier Airlines
20 Jan - 12 Feb Frontier Airlines
23 Jan - 26 Jan Frontier Airlines
31 Jan - 09 Feb Frontier Airlines
31 Jan - 05 Feb Frontier Airlines
26 Jan - 02 Feb Frontier Airlines
28 Jan - 11 Feb Frontier Airlines
28 Jan - 04 Feb jetBlue
30 Jan - 03 Feb American Airlines

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

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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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