Cheapest return flights from Hanoi to Seoul in September from $189

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

16 Sep - 10 Oct VietJet Air direct
13 Sep - 14 Sep VietJet Air direct
13 Sep - 13 Sep VietJet Air direct
08 Sep - 10 Sep VietJet Air direct
04 Sep - 08 Sep VietJet Air direct
05 Sep - 07 Sep VietJet Air direct
09 Sep - 12 Sep VietJet Air direct
21 Sep - 25 Sep VietJet Air
17 Sep - 21 Sep VietJet Air
18 Sep - 29 Sep VietJet Air
22 Sep - 28 Sep VietJet Air
26 Sep - 13 Oct AirAsia
23 Sep - 13 Oct AirAsia
25 Sep - 13 Oct AirAsia
06 Sep - 06 Oct VietJet Air
06 Sep - 06 Oct Asiana Airlines direct
30 Sep - 13 Oct AirAsia
23 Sep - 01 Oct AirAsia
25 Sep - 01 Oct AirAsia
21 Sep - 01 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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