AirHint found the following cheapest return flights from Hanoi (HAN) to Kaohsiung (KHH) in January 2026 (see full year).

Return flights

04 Jan - 11 Jan	VietJet Air
04 Jan - 11 Jan	VietJet Air	direct
21 Jan - 07 Feb	Thai AirAsia
21 Jan - 09 Feb	Thai AirAsia
21 Jan - 31 Jan	Thai AirAsia
21 Jan - 24 Jan	Thai AirAsia
31 Jan - 07 Feb	Thai AirAsia
31 Jan - 09 Feb	Thai AirAsia
05 Jan - 11 Jan	Thai AirAsia
05 Jan - 06 Jan	Thai AirAsia
05 Jan - 19 Jan	Thai AirAsia
05 Jan - 24 Jan	Thai AirAsia
26 Jan - 07 Feb	Thai AirAsia
11 Jan - 19 Jan	Thai AirAsia
26 Jan - 09 Feb	Thai AirAsia
05 Jan - 18 Jan	Thai AirAsia
18 Jan - 07 Feb	Thai AirAsia
31 Jan - 15 Feb	Thai AirAsia
31 Jan - 12 Feb	Thai AirAsia
31 Jan - 14 Feb	Thai AirAsia

Also check the deals for one-way flights from Hanoi to Kaohsiung in January.

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 January from $240

Return flights