Cheapest return flights from Montreal to San Jose in September from $329

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

10 Sep - 17 Sep Avianca
03 Sep - 10 Sep Avianca
15 Sep - 22 Sep Avianca
19 Sep - 26 Sep Avianca
24 Sep - 08 Oct Avianca
14 Sep - 21 Sep Avianca
16 Sep - 23 Sep United
16 Sep - 24 Sep United
09 Sep - 24 Sep United
16 Sep - 07 Oct United
16 Sep - 15 Oct United
23 Sep - 15 Oct United
23 Sep - 30 Sep United
30 Sep - 07 Oct United
09 Sep - 17 Sep United
17 Sep - 15 Oct United
16 Sep - 01 Oct United
18 Sep - 08 Oct Copa
18 Sep - 01 Oct Copa
18 Sep - 15 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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