AirHint found the following cheapest return flights from Cincinnati (CVG) to San Juan (SJU) in March 2026 (see full year).

Return flights

10 Mar - 12 Mar	United
11 Mar - 08 Apr	United
18 Mar - 08 Apr	United
16 Mar - 24 Mar	United
10 Mar - 31 Mar	United
11 Mar - 01 Apr	United
09 Mar - 13 Mar	American Airlines
18 Mar - 14 Apr	United
18 Mar - 24 Mar	United
17 Mar - 07 Apr	United
13 Mar - 16 Mar	Frontier Airlines
05 Mar - 02 Apr	United
18 Mar - 22 Mar	Frontier Airlines
17 Mar - 11 Apr	United
17 Mar - 30 Mar	Frontier Airlines
24 Mar - 29 Mar	Frontier Airlines
10 Mar - 04 Apr	Frontier Airlines
25 Mar - 19 Apr	United
20 Mar - 27 Mar	Frontier Airlines
11 Mar - 05 Apr	Frontier Airlines

Also check the deals for one-way flights from Cincinnati to San Juan in March.

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 Cincinnati to San Juan in March from $224

Return flights