Cheapest return flights from Hanoi to Seoul in September from $132

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

Return flights

05 Sep - 07 Sep VietJet Air direct
05 Sep - 08 Sep VietJet Air direct
09 Sep - 16 Sep VietJet Air direct
19 Sep - 22 Sep VietJet Air direct
02 Sep - 06 Sep VietJet Air direct
03 Sep - 06 Sep VietJet Air direct
01 Sep - 07 Sep VietJet Air direct
09 Sep - 15 Sep VietJet Air
16 Sep - 19 Sep VietJet Air
22 Sep - 25 Sep VietJet Air
29 Sep - 10 Oct VietJet Air
05 Sep - 20 Oct VietJet Air
04 Sep - 20 Oct VietJet Air
27 Sep - 03 Oct VietJet Air
29 Sep - 03 Oct VietJet Air
04 Sep - 20 Oct Jeju Air direct
29 Sep - 08 Oct VietJet Air
29 Sep - 10 Oct Jeju Air direct
26 Sep - 03 Oct VietJet Air
05 Sep - 20 Oct Asiana Airlines 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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