AirHint found the following cheapest return flights from Atlanta (ATL) to San Juan (SJU) in April 2026 (see full year).

Return flights

14 Apr - 21 Apr	Delta	direct
01 Apr - 08 Apr	Delta
05 Apr - 10 Apr	Delta	direct
06 Apr - 11 Apr	United
06 Apr - 11 Apr	Delta	direct
05 Apr - 11 Apr	United
08 Apr - 12 Apr	United
05 Apr - 11 Apr	Delta	direct

Also check the deals for one-way flights from Atlanta to San Juan in April.

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 Atlanta to San Juan in April from 279€

Return flights