AirHint found the following cheapest return flights from Ontario (ONT) to Taipei (TPE) in October 2025 (see full year).

Return flights

07 Oct - 23 Oct	Delta
01 Oct - 08 Oct	Delta
05 Oct - 03 Nov	Delta
05 Oct - 04 Nov	Delta
14 Oct - 26 Nov	Delta
08 Oct - 25 Oct	Delta
25 Oct - 23 Nov	Delta
24 Oct - 09 Nov	Delta
24 Oct - 31 Oct	Delta
04 Oct - 07 Oct	Delta
05 Oct - 12 Oct	Delta
14 Oct - 19 Oct	Delta
25 Oct - 07 Nov	China Airlines	direct
25 Oct - 03 Nov	China Airlines	direct
25 Oct - 23 Nov	China Airlines	direct
03 Oct - 14 Oct	China Airlines	direct
04 Oct - 13 Oct	China Airlines	direct
09 Oct - 19 Oct	China Airlines	direct
24 Oct - 04 Nov	China Airlines	direct
19 Oct - 12 Nov	China Airlines	direct

Also check the deals for one-way flights from Ontario to Taipei in October.

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 Ontario to Taipei in October from 558€

Return flights