Cheapest return flights from San Francisco to San Salvador in May from 418€

AirHint found the following cheapest return flights from San Francisco (SFO) to San Salvador (SAL) in May 2026 (see full year).

Return flights

02 May - 09 May Frontier Airlines
26 May - 03 Jun Avianca
19 May - 26 May United
19 May - 26 May Avianca direct
01 May - 08 May Avianca direct
28 May - 03 Jun United
02 May - 09 May Avianca direct
19 May - 25 May Avianca direct
25 May - 03 Jun Avianca
31 May - 14 Jun Frontier Airlines
02 May - 06 Jun Avianca direct
23 May - 25 May United
23 May - 25 May Avianca direct

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

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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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