Cheapest one-way flights from Atlanta to San Juan in October from $55

AirHint found the following cheapest one-way flights from Atlanta (ATL) to San Juan (SJU) in October 2025 (see full year).

One-Way flights

02 Oct Frontier Airlines
06 Oct Frontier Airlines
15 Oct Frontier Airlines
01 Oct Frontier Airlines
18 Oct Frontier Airlines
03 Oct Frontier Airlines
04 Oct Frontier Airlines
05 Oct Frontier Airlines
06 Oct Frontier Airlines direct
05 Oct Frontier Airlines direct

Also check the deals for return flights from Atlanta to San Juan in October.

Skyscanner

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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