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

Return flights

24 Mar - 02 Apr	Air Canada	direct
10 Mar - 18 Mar	Air Canada	direct
24 Mar - 31 Mar	Air Canada	direct
16 Mar - 23 Mar	Air Transat	direct
10 Mar - 25 Mar	Air Canada	direct
26 Mar - 02 Apr	Air Canada
18 Mar - 25 Mar	Air Canada
04 Mar - 11 Mar	Air Canada
10 Mar - 17 Mar	Air Transat
03 Mar - 10 Mar	Air Transat
11 Mar - 10 Apr	Avianca
25 Mar - 10 Apr	Avianca
23 Mar - 30 Mar	Air Transat	direct
09 Mar - 24 Mar	Air Transat
31 Mar - 14 Apr	Air Canada
25 Mar - 01 Apr	Air Canada
28 Mar - 04 Apr	Air Transat
28 Mar - 11 Apr	Avianca
29 Mar - 05 Apr	Air Transat
27 Mar - 03 Apr	Copa

Also check the deals for one-way flights from Montreal to San Jose 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 Jose in March from $365

Return flights