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

Return flights

14 Jul - 15 Jul	AirAsia
08 Jul - 13 Jul	AirAsia
08 Jul - 15 Jul	AirAsia
01 Jul - 13 Jul	AirAsia
01 Jul - 15 Jul	AirAsia
01 Jul - 08 Jul	AirAsia
14 Jul - 29 Jul	AirAsia
14 Jul - 17 Jul	AirAsia
08 Jul - 17 Jul	AirAsia
16 Jul - 05 Aug	AirAsia
01 Jul - 17 Jul	AirAsia
14 Jul - 03 Aug	AirAsia
20 Jul - 05 Aug	AirAsia
19 Jul - 05 Aug	AirAsia
16 Jul - 03 Aug	AirAsia
20 Jul - 03 Aug	AirAsia
19 Jul - 03 Aug	AirAsia
31 Jul - 05 Aug	AirAsia
31 Jul - 03 Aug	AirAsia

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 $654

Return flights