Cheapest return flights from San Francisco to San Salvador in December from $667

Best time to book flights for San Francisco (SFO) to San Salvador (SAL) flights at AirHint

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

Return flights

25 Dec - 09 Jan Avianca direct
24 Dec - 09 Jan Avianca direct
20 Dec - 02 Jan Aeromexico
19 Dec - 03 Jan Aeromexico
22 Dec - 07 Jan Aeromexico
22 Dec - 07 Jan Avianca direct
13 Dec - 03 Jan Avianca direct
20 Dec - 02 Jan Avianca direct
19 Dec - 03 Jan Avianca direct

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

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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