AirHint found the following cheapest return flights from Portland (PDX) to San Juan (SJU) in June 2026 (see full year).
Return flights
| 07 Jun - 14 Jun | Allegiant Air | ||
| 04 Jun - 10 Jun | Allegiant Air | ||
| 08 Jun - 15 Jun | United | ||
| 04 Jun - 08 Jun | United | ||
| 04 Jun - 09 Jun | United | ||
| 12 Jun - 17 Jun | Frontier Airlines | ||
| 11 Jun - 15 Jun | Alaska Airlines |
Also check the deals for one-way flights from Portland 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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