Cheapest return flights from Fort Lauderdale to San Juan in September from $149

AirHint found the following cheapest return flights from Fort Lauderdale (FLL) to San Juan (SJU) in September 2025 (see full year).

Return flights

25 Sep - 29 Sep Frontier Airlines
21 Sep - 28 Sep jetBlue direct
16 Sep - 22 Sep Spirit Airlines
16 Sep - 19 Sep Spirit Airlines
21 Sep - 22 Sep Spirit Airlines
19 Sep - 03 Oct Spirit Airlines
16 Sep - 03 Oct Spirit Airlines
28 Sep - 03 Oct Spirit Airlines
21 Sep - 03 Oct Spirit Airlines
19 Sep - 22 Sep Spirit Airlines direct
19 Sep - 21 Sep Southwest Airlines
15 Sep - 22 Sep Spirit Airlines direct
15 Sep - 19 Sep Spirit Airlines direct
19 Sep - 03 Oct Spirit Airlines direct
26 Sep - 03 Oct Spirit Airlines direct
15 Sep - 03 Oct Spirit Airlines direct
05 Sep - 12 Sep Frontier Airlines
14 Sep - 03 Oct Spirit Airlines
13 Sep - 03 Oct Spirit Airlines
19 Sep - 10 Oct Spirit Airlines

Also check the deals for one-way flights from Fort Lauderdale to San Juan in September.

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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