Cheapest return flights from Hanoi to Seoul in August from 166€

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

Return flights

27 Aug - 01 Sep VietJet Air direct
27 Aug - 27 Aug VietJet Air direct
21 Aug - 27 Aug VietJet Air direct
21 Aug - 26 Aug VietJet Air direct
20 Aug - 26 Aug VietJet Air direct
18 Aug - 31 Aug VietJet Air
20 Aug - 31 Aug VietJet Air direct
13 Aug - 20 Aug HK Express
11 Aug - 19 Aug HK Express
14 Aug - 21 Aug VietJet Air direct
29 Aug - 08 Sep VietJet Air direct
18 Aug - 25 Aug HK Express
30 Aug - 03 Sep VietJet Air
25 Aug - 01 Sep VietJet Air
31 Aug - 05 Sep VietJet Air
23 Aug - 19 Sep HK Express
26 Aug - 08 Sep VietJet Air
29 Aug - 09 Sep VietJet Air direct
26 Aug - 01 Sep VietJet Air
31 Aug - 07 Sep VietJet Air

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.