AirHint found the following cheapest return flights from Fort Lauderdale (FLL) to San Salvador (SAL) in December 2025 (see full year).

Return flights

30 Dec - 15 Jan	Spirit Airlines	direct
30 Dec - 20 Jan	Spirit Airlines
31 Dec - 20 Jan	Spirit Airlines
31 Dec - 15 Jan	Spirit Airlines
27 Dec - 15 Jan	Spirit Airlines
25 Dec - 15 Jan	Spirit Airlines
26 Dec - 15 Jan	Spirit Airlines
29 Dec - 15 Jan	Spirit Airlines
23 Dec - 25 Dec	Spirit Airlines
24 Dec - 25 Dec	Spirit Airlines
23 Dec - 28 Dec	Spirit Airlines
24 Dec - 28 Dec	Spirit Airlines
23 Dec - 25 Dec	Spirit Airlines	direct
27 Dec - 28 Dec	Spirit Airlines
23 Dec - 28 Dec	Spirit Airlines	direct
25 Dec - 28 Dec	Spirit Airlines	direct
26 Dec - 28 Dec	Spirit Airlines
28 Dec - 07 Jan	Delta
21 Dec - 29 Dec	Delta
28 Dec - 02 Jan	Delta

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

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 Salvador in December from 271€

Return flights