Cheapest return flights from Montreal to San Jose in September from 276€

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

Return flights

04 Sep - 11 Sep Avianca
02 Sep - 11 Sep Avianca
02 Sep - 09 Sep Avianca
23 Sep - 30 Sep Avianca
21 Sep - 28 Sep Avianca
16 Sep - 30 Sep Avianca
22 Sep - 29 Sep Copa
01 Sep - 08 Sep Avianca
15 Sep - 22 Sep Avianca
03 Sep - 10 Sep Avianca

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

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