Cheapest one-way flights from Hanoi to Seoul in September from $106

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

One-Way flights

25 Sep VietJet Air direct
18 Sep VietJet Air direct
17 Sep VietJet Air direct
23 Sep VietJet Air direct
27 Sep Asiana Airlines direct
29 Sep Asiana Airlines direct
20 Sep VietJet Air direct
22 Sep VietJet Air direct
15 Sep VietJet Air direct
01 Sep VietJet Air

Also check the deals for return flights from Hanoi to Seoul in September.

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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