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

Return flights

11 Aug - 20 Aug	Delta
18 Aug - 20 Aug	Spirit Airlines
11 Aug - 19 Aug	Spirit Airlines
18 Aug - 22 Aug	Spirit Airlines
18 Aug - 24 Aug	Spirit Airlines
11 Aug - 24 Aug	Spirit Airlines
16 Aug - 19 Aug	Frontier Airlines
15 Aug - 22 Aug	Southwest Airlines
16 Aug - 20 Aug	Spirit Airlines
18 Aug - 19 Aug	Spirit Airlines

Also check the deals for one-way 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Cheapest return flights from Columbus to San Juan in August from $276

Return flights