AirHint found the following cheapest return flights from Ontario (ONT) to San Salvador (SAL) in July 2025 (see full year).

Return flights

29 Jul - 14 Aug	Avianca	direct
20 Jul - 24 Jul	Avianca	direct
29 Jul - 10 Aug	Avianca	direct
20 Jul - 27 Jul	Avianca	direct
31 Jul - 16 Aug	Avianca	direct
13 Jul - 15 Jul	Avianca	direct
31 Jul - 14 Aug	United
30 Jul - 13 Aug	United
13 Jul - 26 Jul	Avianca	direct
17 Jul - 24 Jul	Avianca	direct
09 Jul - 23 Jul	United
15 Jul - 22 Jul	Avianca	direct
16 Jul - 23 Jul	American Airlines
12 Jul - 26 Jul	Avianca	direct
23 Jul - 06 Aug	United
21 Jul - 06 Aug	Lufthansa
31 Jul - 09 Aug	Avianca	direct
15 Jul - 29 Jul	United
23 Jul - 07 Aug	Lufthansa
10 Jul - 03 Aug	Frontier Airlines

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

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 July from $359

Return flights