Cheapest return flights from Hanoi to Seoul in September from 209€

AirHint found the following cheapest return flights from Hanoi (HAN) to Seoul (ICN) in September 2026 (see full year).

Return flights

15 Sep - 27 Sep HK Express
11 Sep - 20 Sep China Southern

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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