Cheapest return flights from Hanoi to Seoul in September from $177

Best time to book flights for Hanoi (HAN) to Seoul (ICN) flights at AirHint

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

Return flights

01 Sep - 07 Sep VietJet Air direct
15 Sep - 22 Sep VietJet Air direct
04 Sep - 10 Sep Jeju Air direct
06 Sep - 10 Sep Jeju Air direct
20 Sep - 30 Sep Jeju Air direct
26 Sep - 14 Oct AirAsia
10 Sep - 25 Sep AirAsia
30 Sep - 03 Oct Vietnam Airlines
02 Sep - 04 Sep AirAsia
24 Sep - 14 Oct AirAsia
25 Sep - 14 Oct AirAsia
08 Sep - 25 Sep AirAsia
02 Sep - 11 Sep AirAsia
08 Sep - 11 Sep AirAsia
26 Sep - 11 Oct AirAsia
26 Sep - 07 Oct AirAsia
26 Sep - 16 Oct AirAsia
24 Sep - 11 Oct AirAsia
24 Sep - 07 Oct AirAsia
25 Sep - 11 Oct AirAsia

Also check the deals for one-way flights from Hanoi to Seoul 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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