Cheapest return flights from Fort Lauderdale to San Juan in September from $175

Best time to book flights for Fort Lauderdale (FLL) to San Juan (SJU) flights at AirHint

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

Return flights

19 Sep - 22 Sep Southwest Airlines
19 Sep - 23 Sep jetBlue direct
18 Sep - 23 Sep jetBlue direct
19 Sep - 22 Sep jetBlue direct
11 Sep - 14 Sep Spirit Airlines
11 Sep - 14 Sep Southwest Airlines direct
17 Sep - 03 Oct Delta
22 Sep - 05 Oct Spirit Airlines
01 Sep - 08 Sep Spirit Airlines direct
12 Sep - 21 Sep Spirit Airlines
04 Sep - 08 Sep Spirit Airlines
04 Sep - 07 Sep 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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