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

Return flights

23 Oct - 26 Oct	jetBlue	direct
29 Oct - 07 Nov	jetBlue	direct
06 Oct - 22 Oct	Spirit Airlines
17 Oct - 22 Oct	Spirit Airlines
17 Oct - 28 Oct	Spirit Airlines
21 Oct - 22 Oct	Spirit Airlines
21 Oct - 28 Oct	Spirit Airlines
22 Oct - 28 Oct	Spirit Airlines
17 Oct - 24 Oct	Delta
04 Oct - 11 Oct	Delta
05 Oct - 11 Oct	Delta
17 Oct - 03 Nov	Spirit Airlines
21 Oct - 03 Nov	Spirit Airlines
28 Oct - 03 Nov	Spirit Airlines
31 Oct - 03 Nov	Spirit Airlines
22 Oct - 03 Nov	Spirit Airlines
29 Oct - 03 Nov	Spirit Airlines
17 Oct - 07 Nov	Spirit Airlines
21 Oct - 07 Nov	Spirit Airlines
28 Oct - 07 Nov	Spirit Airlines

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

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 Fort Lauderdale to San Juan in October from $180

Return flights