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

Return flights

16 Sep - 23 Sep	United
17 Sep - 24 Sep	United
23 Sep - 30 Sep	United
16 Sep - 23 Oct	United
29 Sep - 06 Oct	United
09 Sep - 28 Oct	United
24 Sep - 01 Oct	United
03 Sep - 23 Oct	United
03 Sep - 22 Oct	United
03 Sep - 21 Oct	United
18 Sep - 28 Sep	United
18 Sep - 27 Sep	United
03 Sep - 25 Oct	United
03 Sep - 24 Oct	United
04 Sep - 11 Sep	United
08 Sep - 15 Sep	United
10 Sep - 17 Sep	United
09 Sep - 16 Sep	United
14 Sep - 21 Sep	United
28 Sep - 17 Oct	United

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

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 Taipei in September from $882

Return flights