Cheapest return flights from Portland to San Juan in July from $533

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

Return flights

22 Jul - 06 Aug Spirit Airlines
18 Jul - 06 Aug Spirit Airlines
21 Jul - 06 Aug Spirit Airlines
21 Jul - 28 Jul Allegiant Air
22 Jul - 30 Jul Spirit Airlines
18 Jul - 30 Jul Spirit Airlines
18 Jul - 21 Jul Spirit Airlines
21 Jul - 30 Jul Spirit Airlines
28 Jul - 03 Aug Southwest Airlines
22 Jul - 28 Jul Spirit Airlines
18 Jul - 28 Jul Spirit Airlines

Also check the deals for one-way flights from Portland 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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