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

Return flights

27 Oct - 03 Nov	Avianca
26 Oct - 02 Nov	Avianca
07 Oct - 31 Oct	Air Canada
15 Oct - 22 Oct	Copa
22 Oct - 29 Oct	Copa
30 Oct - 06 Nov	Copa
01 Oct - 31 Oct	Porter Airlines (Canada) Ltd
28 Oct - 04 Nov	Porter Airlines (Canada) Ltd
20 Oct - 27 Oct	Porter Airlines (Canada) Ltd
22 Oct - 27 Oct	Copa
29 Oct - 05 Nov	Copa
01 Oct - 07 Oct	Porter Airlines (Canada) Ltd
24 Oct - 31 Oct	WestJet
31 Oct - 30 Nov	Avianca
31 Oct - 09 Nov	Avianca
31 Oct - 23 Nov	Avianca
19 Oct - 26 Oct	Avianca
25 Oct - 01 Nov	Porter Airlines (Canada) Ltd
31 Oct - 07 Nov	Avianca
21 Oct - 28 Oct	Porter Airlines (Canada) Ltd

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 338€

Return flights