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

Return flights

06 May - 13 May	Copa
13 May - 20 May	Copa
25 May - 01 Jun	Avianca
31 May - 07 Jun	Avianca
18 May - 25 May	Copa
26 May - 02 Jun	Copa
03 May - 10 May	Copa
05 May - 12 May	Copa
12 May - 19 May	Copa
14 May - 21 May	Copa
20 May - 27 May	Copa
11 May - 18 May	Copa
15 May - 22 May	Copa
28 May - 04 Jun	Avianca
30 May - 06 Jun	Avianca
27 May - 03 Jun	Avianca
29 May - 05 Jun	Avianca

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

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 May from $419

Return flights