AirHint found the following cheapest return flights from Montreal (YUL) to San Salvador (SAL) in September 2026 (see full year).

Return flights

05 Sep - 19 Sep	Avianca
01 Sep - 15 Sep	Avianca
18 Sep - 25 Sep	Avianca
01 Sep - 08 Sep	Avianca
03 Sep - 10 Sep	Avianca
05 Sep - 12 Sep	Avianca
07 Sep - 14 Sep	Avianca
09 Sep - 16 Sep	Avianca
11 Sep - 18 Sep	Avianca
13 Sep - 20 Sep	Avianca
25 Sep - 02 Oct	Avianca
27 Sep - 04 Oct	Avianca
29 Sep - 06 Oct	Avianca
24 Sep - 01 Oct	Avianca
26 Sep - 03 Oct	Avianca
28 Sep - 05 Oct	Avianca
30 Sep - 07 Oct	Avianca

Also check the deals for one-way flights from Montreal to San Salvador in September.

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 September from 313€

Return flights