Cheapest one-way SFO–SJU flights, June

AirHint found the following cheapest one-way flights from San Francisco (SFO) to San Juan (SJU) in June 2026 (see full year).

One-Way flights

27 Jun Frontier Airlines
23 Jun Frontier Airlines
10 Jun Frontier Airlines
22 Jun Frontier Airlines
02 Jun Frontier Airlines
03 Jun Frontier Airlines
24 Jun Frontier Airlines
01 Jun Frontier Airlines
05 Jun Frontier Airlines
16 Jun Frontier Airlines

Also check the deals for return 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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