Cheapest return flights from Cleveland to San Juan in December from $345

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

Return flights

04 Dec - 08 Dec Frontier Airlines
12 Dec - 18 Dec Delta
16 Dec - 23 Dec Delta
18 Dec - 25 Dec Frontier Airlines
18 Dec - 24 Dec Frontier Airlines
11 Dec - 15 Dec Southwest Airlines
16 Dec - 26 Dec Delta
18 Dec - 25 Dec Frontier Airlines direct
18 Dec - 24 Dec Frontier Airlines direct
18 Dec - 28 Dec American Airlines
25 Dec - 02 Jan Frontier Airlines direct
26 Dec - 02 Jan Frontier Airlines
30 Dec - 05 Jan American Airlines
30 Dec - 05 Jan Frontier Airlines direct
26 Dec - 01 Jan Frontier Airlines
28 Dec - 02 Jan Frontier Airlines
26 Dec - 03 Jan Frontier Airlines

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

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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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