AirHint found the following cheapest return flights from Hanoi (HAN) to Kaohsiung (KHH) in December 2025 (see full year).

Return flights

27 Dec - 03 Jan	VietJet Air	direct
31 Dec - 03 Jan	VietJet Air	direct
31 Dec - 05 Jan	VietJet Air	direct
25 Dec - 26 Dec	VietJet Air	direct
30 Dec - 05 Jan	VietJet Air	direct
31 Dec - 06 Jan	VietJet Air	direct
31 Dec - 04 Jan	VietJet Air	direct
30 Dec - 03 Jan	VietJet Air
29 Dec - 01 Jan	VietJet Air
31 Dec - 02 Jan	VietJet Air
28 Dec - 04 Jan	VietJet Air
25 Dec - 28 Dec	Vietnam Airlines	direct
24 Dec - 31 Dec	Thai AirAsia
24 Dec - 31 Dec	Vietnam Airlines	direct

Also check the deals for one-way flights from Hanoi to Kaohsiung 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 Hanoi to Kaohsiung in December from 142€

Return flights