Cheapest return flights from Hanoi to Seoul in October from $143

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

Return flights

02 Oct - 09 Oct VietJet Air direct
01 Oct - 11 Oct VietJet Air direct
04 Oct - 12 Oct VietJet Air direct
03 Oct - 10 Oct VietJet Air direct
02 Oct - 16 Oct VietJet Air direct
05 Oct - 09 Oct VietJet Air direct
16 Oct - 19 Oct VietJet Air direct
01 Oct - 10 Oct VietJet Air
02 Oct - 11 Oct Asiana Airlines direct
03 Oct - 14 Oct Asiana Airlines direct
25 Oct - 02 Nov VietJet Air
30 Oct - 03 Nov VietJet Air
20 Oct - 09 Nov VietJet Air
23 Oct - 13 Nov VietJet Air
31 Oct - 07 Nov HK Express
31 Oct - 03 Nov Jeju Air direct
03 Oct - 01 Nov VietJet Air
04 Oct - 01 Nov Jeju Air direct
29 Oct - 03 Nov VietJet Air
03 Oct - 01 Nov Jeju Air direct

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

Skyscanner

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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