Cheapest return flights from San Francisco to San Salvador in December from 462€

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

Return flights

06 Dec - 12 Dec United
11 Dec - 25 Dec United
26 Dec - 18 Jan Avianca
16 Dec - 06 Jan Alaska Airlines
25 Dec - 06 Jan Alaska Airlines
25 Dec - 09 Jan United
18 Dec - 27 Dec Frontier Airlines
11 Dec - 04 Jan Avianca direct
15 Dec - 05 Jan Avianca direct
25 Dec - 04 Jan Avianca
16 Dec - 04 Jan Alaska Airlines
18 Dec - 03 Jan Aeromexico
27 Dec - 03 Jan Avianca

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.

Book a cheap hotel in San Salvador

Cheap car rent in San Salvador

Feel free to contact us with any feedback or request another flight research.