AirHint found the following cheapest return flights from Montreal (YUL) to San Jose (SJO) in April 2026 (see full year).

Return flights

12 Apr - 19 Apr	Avianca
20 Apr - 27 Apr	Avianca
22 Apr - 29 Apr	Avianca
24 Apr - 01 May	Avianca
26 Apr - 03 May	Avianca
15 Apr - 22 Apr	Avianca
17 Apr - 24 Apr	Avianca
19 Apr - 26 Apr	Avianca
27 Apr - 04 May	Avianca
29 Apr - 06 May	Avianca
13 Apr - 20 Apr	Avianca
10 Apr - 17 Apr	Avianca
08 Apr - 15 Apr	United
28 Apr - 05 May	United
14 Apr - 21 Apr	Copa
25 Apr - 02 May	Copa

Also check the deals for one-way flights from Montreal to San Jose in April.

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 Jose in April from $350

Return flights