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

Return flights

10 Jul - 31 Jul	VietJet Air	direct
16 Jul - 08 Aug	HK Express
20 Jul - 11 Aug	HK Express
25 Jul - 02 Aug	VietJet Air
17 Jul - 23 Jul	China Southern
25 Jul - 02 Aug	Asiana Airlines	direct

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

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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Cheapest return flights from Hanoi to Seoul in July from 140€

Return flights