Cheapest return flights from Montreal to San Jose in September from $372

Best time to book flights for Montreal (YUL) to San Jose (SJO) flights at AirHint

AirHint found the following cheapest return flights from Montreal (YUL) to San Jose (SJO) in September 2025 (see full year).

Return flights

17 Sep - 08 Oct Avianca
03 Sep - 10 Sep Avianca
07 Sep - 14 Sep Avianca
21 Sep - 28 Sep Avianca
24 Sep - 01 Oct Avianca
01 Sep - 08 Sep Avianca
05 Sep - 12 Sep Avianca
10 Sep - 17 Sep Avianca
12 Sep - 19 Sep Avianca
14 Sep - 21 Sep Avianca
15 Sep - 22 Sep Avianca
17 Sep - 24 Sep Avianca
30 Sep - 07 Oct United
29 Sep - 06 Oct Copa
25 Sep - 02 Oct Copa
28 Sep - 05 Oct Copa
27 Sep - 04 Oct Copa

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

Skyscanner

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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