Cheapest return flights from Hanoi to Seoul in August from $236

AirHint found the following cheapest return flights from Hanoi (HAN) to Seoul (ICN) in August 2025 (see full year).

Return flights

31 Aug - 14 Sep VietJet Air
31 Aug - 05 Sep VietJet Air
31 Aug - 02 Sep VietJet Air
30 Aug - 14 Sep China Eastern
30 Aug - 02 Sep China Eastern
30 Aug - 02 Sep Jeju Air direct
30 Aug - 03 Sep China Eastern
31 Aug - 09 Sep VietJet Air
31 Aug - 14 Sep Vietnam Airlines direct
31 Aug - 05 Sep VietJet Air direct
30 Aug - 31 Aug Cebu Pacific
31 Aug - 31 Aug VietJet Air
29 Aug - 30 Aug Korean Air direct
31 Aug - 31 Aug Asiana Airlines direct
29 Aug - 29 Aug Vietnam Airlines direct

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

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.