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

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

Return flights

19 Sep - 23 Sep VietJet Air direct
14 Sep - 17 Sep VietJet Air direct
11 Sep - 17 Sep VietJet Air direct
15 Sep - 18 Sep VietJet Air direct
15 Sep - 22 Sep VietJet Air direct
27 Sep - 28 Sep Asiana Airlines direct
10 Sep - 15 Sep VietJet Air direct
15 Sep - 21 Sep VietJet Air
15 Sep - 23 Sep VietJet Air
09 Sep - 14 Sep VietJet Air direct
30 Sep - 19 Oct VietJet Air
26 Sep - 13 Oct VietJet Air
18 Sep - 13 Oct VietJet Air
27 Sep - 25 Oct VietJet Air
27 Sep - 18 Oct VietJet Air
26 Sep - 12 Oct VietJet Air
01 Sep - 14 Oct VietJet Air
26 Sep - 11 Oct Jeju Air direct
27 Sep - 19 Oct HK Express
18 Sep - 13 Oct Jeju Air direct

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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