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

Return flights

01 Oct - 15 Oct	Avianca
08 Oct - 29 Oct	Avianca
13 Oct - 22 Oct	Avianca
13 Oct - 31 Oct	Avianca
19 Oct - 29 Oct	Avianca
19 Oct - 31 Oct	Avianca
13 Oct - 03 Nov	Avianca
22 Oct - 05 Nov	Avianca
22 Oct - 12 Nov	Avianca
29 Oct - 19 Nov	Avianca
31 Oct - 05 Nov	Avianca
31 Oct - 12 Nov	Avianca
31 Oct - 19 Nov	Avianca
13 Oct - 05 Nov	Avianca
31 Oct - 09 Nov	Avianca
24 Oct - 02 Nov	Avianca
08 Oct - 15 Oct	Avianca
05 Oct - 19 Oct	Avianca
24 Oct - 27 Oct	Avianca
07 Oct - 21 Oct	Copa

Also check the deals for one-way flights from Montreal 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 Montreal to San Salvador in October from 301€

Return flights