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

Return flights

12 May - 21 May	Avianca	direct
19 May - 23 May	Avianca	direct
19 May - 26 May	Avianca	direct
16 May - 23 May	Avianca	direct
09 May - 16 May	Avianca	direct
05 May - 12 May	Avianca	direct
02 May - 09 May	Avianca	direct
05 May - 02 Jun	Avianca	direct
05 May - 30 May	Avianca	direct
21 May - 11 Jun	Avianca	direct
28 May - 16 Jun	Avianca	direct
28 May - 13 Jun	Avianca	direct
07 May - 12 May	Avianca	direct
21 May - 25 May	American Airlines
25 May - 02 Jun	Azul Airlines
05 May - 01 Jun	Avianca
29 May - 16 Jun	Avianca
28 May - 14 Jun	GOL Linhas Aéreas
20 May - 02 Jun	Volaris
28 May - 15 Jun	Volaris

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 $246

Return flights