Cheapest return flights from Phoenix to San Juan in April from $151

Best time to book flights for Phoenix (PHX) to San Juan (SJU) flights at AirHint

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

Return flights

25 Apr - 29 Apr Frontier Airlines
23 Apr - 27 Apr Frontier Airlines
07 Apr - 11 Apr Frontier Airlines
02 Apr - 11 Apr Frontier Airlines
03 Apr - 11 Apr Frontier Airlines
01 Apr - 07 Apr Frontier Airlines
09 Apr - 13 Apr Frontier Airlines
25 Apr - 28 Apr Frontier Airlines
02 Apr - 08 Apr Frontier Airlines
27 Apr - 02 May Frontier Airlines
10 Apr - 15 Apr Frontier Airlines

Also check the deals for one-way flights from Phoenix to San Juan in April.

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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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