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

Return flights

30 Jun - 07 Jul	Avianca
04 Jun - 11 Jun	Air Canada
11 Jun - 18 Jun	Air Canada
29 Jun - 06 Jul	Avianca
01 Jun - 08 Jun	Air Transat	direct
08 Jun - 22 Jun	Air Transat	direct
08 Jun - 15 Jun	Air Transat	direct
15 Jun - 22 Jun	Air Transat	direct
02 Jun - 09 Jun	United
22 Jun - 29 Jun	Air Transat	direct
22 Jun - 06 Jul	Air Transat	direct
05 Jun - 12 Jun	United
21 Jun - 06 Jul	Avianca
21 Jun - 05 Jul	Avianca
03 Jun - 10 Jun	Avianca
28 Jun - 05 Jul	Avianca
22 Jun - 07 Jul	Avianca
27 Jun - 05 Jul	Avianca
28 Jun - 11 Jul	Avianca
25 Jun - 04 Jul	Avianca

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

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 June from 352€

Return flights