Cheapest return flights from Ontario to San Salvador in April from $298

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

Return flights

09 Apr - 13 Apr Frontier Airlines
10 Apr - 13 Apr Frontier Airlines
11 Apr - 18 Apr American Airlines
09 Apr - 16 Apr Frontier Airlines
07 Apr - 16 Apr Frontier Airlines
10 Apr - 30 Apr Frontier Airlines
21 Apr - 25 Apr Avianca direct
25 Apr - 12 May Avianca direct
21 Apr - 28 Apr Avianca direct
14 Apr - 30 Apr Avianca direct
12 Apr - 25 Apr Frontier Airlines
17 Apr - 03 May Azul Airlines
27 Apr - 04 May GOL Linhas AΓ©reas

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

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