Cheapest return flights from Phoenix to San Juan in October from 214€

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

Return flights

28 Oct - 31 Oct Frontier Airlines
24 Oct - 29 Oct Spirit Airlines
23 Oct - 02 Nov Frontier Airlines
22 Oct - 29 Oct Frontier Airlines
24 Oct - 27 Oct Frontier Airlines
21 Oct - 26 Oct Frontier Airlines
19 Oct - 26 Oct Frontier Airlines

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

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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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