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

Return flights

12 Apr - 26 Apr	Avianca
12 Apr - 27 Apr	Avianca
19 Apr - 29 Apr	Avianca
20 Apr - 27 Apr	Avianca
22 Apr - 29 Apr	Avianca
24 Apr - 01 May	Avianca
26 Apr - 03 May	Avianca
27 Apr - 04 May	Avianca
29 Apr - 06 May	Avianca
07 Apr - 14 Apr	Air Canada	direct
09 Apr - 16 Apr	Air Canada	direct
02 Apr - 09 Apr	Air Transat
16 Apr - 23 Apr	Air Transat
12 Apr - 19 Apr	Avianca
21 Apr - 04 May	Avianca
19 Apr - 02 May	Avianca
28 Apr - 05 May	Copa
30 Apr - 07 May	Avianca
21 Apr - 04 May	Air Canada	direct
30 Apr - 07 May	Air Canada	direct

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 $348

Return flights