AirHint found the following cheapest one-way flights from Columbus (CMH) to San Juan (SJU) in August 2025 (see full year).

One-Way flights

25 Aug	Spirit Airlines
10 Aug	Spirit Airlines
22 Aug	Spirit Airlines
15 Aug	Spirit Airlines
12 Aug	Southwest Airlines
01 Aug	United
02 Aug	Southwest Airlines
21 Aug	Spirit Airlines
28 Aug	Spirit Airlines

Also check the deals for return flights from Columbus to San Juan in August.

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 one-way flights from Columbus to San Juan in August from 111€

One-Way flights