Cheapest return flights from San Francisco to San Salvador in December from 422€

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

Return flights

29 Dec - 26 Jan Frontier Airlines
01 Dec - 22 Dec Frontier Airlines
24 Dec - 14 Jan Hawaiian Airlines
31 Dec - 22 Jan United
06 Dec - 12 Dec Avianca direct
25 Dec - 14 Jan Frontier Airlines
11 Dec - 18 Dec American Airlines
26 Dec - 14 Jan Frontier Airlines
27 Dec - 17 Jan Frontier Airlines
11 Dec - 18 Dec Avianca direct
15 Dec - 22 Dec Avianca direct
12 Dec - 19 Dec Avianca direct
25 Dec - 31 Dec Frontier Airlines
14 Dec - 21 Dec American Airlines
24 Dec - 30 Dec Frontier Airlines
17 Dec - 24 Dec American Airlines
15 Dec - 04 Jan Frontier Airlines
29 Dec - 03 Jan Frontier Airlines
30 Dec - 03 Jan Frontier Airlines
17 Dec - 03 Jan Frontier Airlines

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

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