Cheapest return flights from Phoenix to San Juan in July from $276

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

Return flights

25 Jul - 27 Jul Spirit Airlines
16 Jul - 23 Jul Frontier Airlines
25 Jul - 28 Jul Spirit Airlines
17 Jul - 24 Jul Frontier Airlines
30 Jul - 04 Aug Spirit Airlines
30 Jul - 06 Aug Spirit Airlines
16 Jul - 06 Aug Spirit Airlines
31 Jul - 09 Aug Spirit Airlines
30 Jul - 09 Aug Spirit Airlines
25 Jul - 06 Aug Sun Country Airlines
31 Jul - 05 Aug Southwest Airlines
25 Jul - 09 Aug Sun Country Airlines

Also check the deals for one-way flights from Phoenix 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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