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
19 May - 26 May	Copa
05 May - 12 May	Copa
13 May - 20 May	Copa
26 May - 02 Jun	Copa
17 May - 24 May	Avianca
04 May - 11 May	Avianca
17 May - 25 May	Copa
22 May - 29 May	Avianca
03 May - 10 May	Avianca
10 May - 17 May	Avianca
27 May - 03 Jun	Avianca
25 May - 01 Jun	Copa
28 May - 04 Jun	Avianca
31 May - 07 Jun	United
29 May - 05 Jun	United
30 May - 06 Jun	Copa

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 $408

Return flights