Cheapest return flights from Cleveland to San Juan in September from $224

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

Return flights

29 Sep - 02 Oct United
29 Sep - 01 Oct American Airlines
29 Sep - 03 Oct Delta
26 Sep - 28 Sep Frontier Airlines
22 Sep - 24 Sep Frontier Airlines
24 Sep - 28 Sep Frontier Airlines
23 Sep - 30 Sep Frontier Airlines
25 Sep - 03 Oct Spirit Airlines
28 Sep - 03 Oct Spirit Airlines
25 Sep - 09 Oct Spirit Airlines
28 Sep - 09 Oct Spirit Airlines
25 Sep - 05 Oct Spirit Airlines
20 Sep - 22 Sep Frontier Airlines
25 Sep - 28 Sep Spirit Airlines

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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