Cheapest return flights from Hanoi to Kaohsiung in September from $193

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

Return flights

20 Sep - 22 Sep Thai AirAsia
12 Sep - 19 Sep VietJet Air direct
20 Sep - 28 Sep Thai AirAsia
19 Sep - 18 Oct VietJet Air
20 Sep - 25 Sep Thai AirAsia
28 Sep - 05 Oct VietJet Air
21 Sep - 28 Sep VietJet Air
20 Sep - 18 Oct Cathay Pacific

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

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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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