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

Return flights

03 Dec - 11 Dec	United
30 Dec - 22 Jan	United
03 Dec - 11 Dec	EVA Air	direct
30 Dec - 22 Jan	EVA Air	direct
16 Dec - 16 Jan	United
23 Dec - 30 Dec	Delta
22 Dec - 22 Jan	Delta
29 Dec - 05 Jan	Cathay Pacific
22 Dec - 18 Jan	Delta
21 Dec - 18 Jan	Delta
20 Dec - 18 Jan	Delta
20 Dec - 14 Jan	Delta
18 Dec - 18 Jan	United
23 Dec - 30 Dec	EVA Air	direct

Also check the deals for one-way flights from Chicago to Taipei in December.

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 December from 629€

Return flights