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

Return flights

23 May - 30 May	Avianca	direct
21 May - 28 May	Avianca	direct
19 May - 23 May	American Airlines
19 May - 23 May	Avianca	direct
21 May - 23 May	American Airlines
23 May - 26 May	Avianca	direct
21 May - 23 May	Avianca	direct
28 May - 04 Jun	Avianca	direct
21 May - 25 May	American Airlines
21 May - 31 May	American Airlines
22 May - 25 May	American Airlines

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

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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Cheapest return flights from Ontario to San Salvador in May from $272

Return flights