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

Return flights

09 Dec - 19 Jan	Hawaiian Airlines
10 Dec - 22 Dec	Alaska Airlines
30 Dec - 26 Jan	jetBlue
08 Dec - 09 Jan	Frontier Airlines
29 Dec - 26 Jan	Frontier Airlines
06 Dec - 13 Dec	Alaska Airlines
15 Dec - 19 Jan	China Airlines
14 Dec - 20 Jan	Hawaiian Airlines
14 Dec - 28 Dec	Delta
27 Dec - 09 Jan	Delta
28 Dec - 06 Jan	Alaska Airlines
20 Dec - 20 Jan	Alaska Airlines
20 Dec - 02 Jan	Air Canada

Also check the deals for one-way flights from Washington 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 Washington to Taipei in December from $1123

Return flights