Cheapest return flights from Montreal to San Jose in September from 353€

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

01 Sep - 10 Sep Avianca
01 Sep - 29 Sep Avianca
01 Sep - 01 Oct Avianca
03 Sep - 10 Sep Avianca
08 Sep - 15 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
19 Sep - 26 Sep Avianca
24 Sep - 01 Oct Avianca
29 Sep - 06 Oct Copa
30 Sep - 07 Oct United

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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