AirHint found the following cheapest return flights from Columbus (CMH) to San Juan (SJU) in October 2025 (see full year).

Return flights

20 Oct - 26 Oct	Spirit Airlines
27 Oct - 10 Nov	Spirit Airlines
16 Oct - 23 Oct	Spirit Airlines
07 Oct - 27 Oct	Spirit Airlines
29 Oct - 12 Nov	Spirit Airlines
22 Oct - 05 Nov	Spirit Airlines
21 Oct - 30 Oct	Spirit Airlines
14 Oct - 27 Oct	Spirit Airlines
28 Oct - 11 Nov	Spirit Airlines
14 Oct - 05 Nov	Spirit Airlines
13 Oct - 20 Oct	Spirit Airlines
10 Oct - 18 Oct	Spirit Airlines
10 Oct - 27 Oct	Spirit Airlines
10 Oct - 05 Nov	Spirit Airlines

Also check the deals for one-way flights from Columbus to San Juan in October.

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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Cheapest return flights from Columbus to San Juan in October from $315

Return flights