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

Return flights

21 Oct - 04 Nov	Cathay Pacific
27 Oct - 03 Nov	Cathay Pacific
30 Oct - 17 Nov	Cathay Pacific
01 Oct - 31 Oct	Cathay Pacific
01 Oct - 05 Oct	Cathay Pacific
29 Oct - 27 Nov	Cathay Pacific
31 Oct - 07 Nov	Korean Air
03 Oct - 11 Oct	Cathay Pacific
05 Oct - 07 Oct	Alaska Airlines
09 Oct - 19 Oct	Delta
23 Oct - 25 Oct	Delta
19 Oct - 21 Oct	Delta
11 Oct - 19 Oct	Delta
11 Oct - 18 Oct	Delta
27 Oct - 03 Nov	EVA Air	direct
19 Oct - 21 Oct	EVA Air	direct
31 Oct - 07 Nov	EVA Air	direct

Also check the deals for one-way flights from Chicago 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 Chicago to Taipei in October from $726

Return flights