Cheapest return flights from Seoul to Hanoi in August from $218
AirHint found the following cheapest return flights from Seoul (ICN) to Hanoi (HAN) in August 2025 (see full year).
Return flights
Also check the deals for one-way flights from Seoul to Hanoi in August.
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.
