Cheapest return flights from San Francisco to San Salvador in December from 326€

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

Return flights

31 Dec - 22 Jan United
17 Dec - 24 Dec Avianca
17 Dec - 21 Jan Avianca
25 Dec - 28 Dec United
24 Dec - 01 Jan United
17 Dec - 24 Dec Avianca direct
28 Dec - 01 Jan Alaska Airlines
24 Dec - 12 Jan United
24 Dec - 27 Dec Copa
24 Dec - 08 Jan United
18 Dec - 21 Jan United
18 Dec - 24 Dec United
17 Dec - 07 Jan United
18 Dec - 24 Dec Avianca direct
24 Dec - 10 Jan United
20 Dec - 24 Dec United
18 Dec - 11 Jan United
19 Dec - 22 Dec United
19 Dec - 24 Dec United

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

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