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

Return flights

15 Mar - 22 Mar	Avianca
08 Mar - 15 Mar	Avianca
01 Mar - 08 Mar	Avianca
11 Mar - 18 Mar	Avianca
18 Mar - 25 Mar	Avianca
25 Mar - 01 Apr	Avianca
17 Mar - 24 Mar	Avianca
10 Mar - 17 Mar	Avianca
12 Mar - 19 Mar	Avianca
14 Mar - 21 Mar	Avianca
07 Mar - 14 Mar	Avianca
26 Mar - 02 Apr	Copa
30 Mar - 06 Apr	Copa
30 Mar - 06 Apr	Air Transat	direct
31 Mar - 07 Apr	United
27 Mar - 03 Apr	Avianca
28 Mar - 04 Apr	Copa
27 Mar - 03 Apr	Air Transat	direct

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

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 March from 302€

Return flights