Cheapest return flights from San Francisco to San Salvador in May from $319

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 May 2025 (see full year).

Return flights

06 May - 15 May Copa
05 May - 13 May Copa
09 May - 12 May Copa
06 May - 15 May Avianca direct
03 May - 14 May Avianca direct
15 May - 19 May Avianca direct
23 May - 27 May Avianca direct
05 May - 13 May Avianca direct
09 May - 12 May Avianca direct
21 May - 26 May Avianca direct
28 May - 18 Jun United
26 May - 02 Jun Avianca direct

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

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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