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

Return flights

12 Dec - 15 Dec	VietJet Air	direct
11 Dec - 14 Dec	VietJet Air	direct
23 Dec - 26 Dec	VietJet Air	direct
30 Dec - 05 Jan	VietJet Air	direct
12 Dec - 14 Dec	VietJet Air	direct
31 Dec - 05 Jan	VietJet Air
14 Dec - 21 Dec	HK Express
24 Dec - 31 Dec	VietJet Air
30 Dec - 06 Jan	VietJet Air
15 Dec - 22 Dec	Thai AirAsia
19 Dec - 22 Dec	VietJet Air
30 Dec - 06 Jan	Vietnam Airlines	direct
22 Dec - 25 Dec	VietJet Air
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 $187

Return flights