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

Return flights

07 Oct - 21 Oct	United
08 Oct - 22 Oct	United
21 Oct - 04 Nov	United
01 Oct - 15 Oct	United
11 Oct - 25 Oct	United
22 Oct - 05 Nov	United
25 Oct - 08 Nov	United
18 Oct - 01 Nov	United
17 Oct - 31 Oct	United
29 Oct - 12 Nov	United
15 Oct - 29 Oct	United
24 Oct - 07 Nov	United
12 Oct - 26 Oct	United
16 Oct - 30 Oct	United
20 Oct - 03 Nov	United
28 Oct - 11 Nov	United
27 Oct - 15 Nov	United
10 Oct - 24 Oct	United
23 Oct - 06 Nov	United

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

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 October from 334€

Return flights