Cheapest return flights from Cleveland to San Juan in September from $175

AirHint found the following cheapest return flights from Cleveland (CLE) to San Juan (SJU) in September 2025 (see full year).

Return flights

08 Sep - 22 Sep United
14 Sep - 03 Oct Frontier Airlines
11 Sep - 15 Sep Frontier Airlines
10 Sep - 15 Sep Frontier Airlines
17 Sep - 21 Sep United

Also check the deals for one-way flights from Cleveland to San Juan in September.

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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