Cheapest return flights from Hanoi to Seoul in August from $173

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

Return flights

28 Aug - 12 Sep VietJet Air direct
01 Aug - 11 Aug VietJet Air direct
29 Aug - 02 Sep VietJet Air direct
08 Aug - 15 Aug VietJet Air direct
18 Aug - 25 Aug VietJet Air
15 Aug - 19 Aug VietJet Air
17 Aug - 24 Aug VietJet Air
11 Aug - 17 Aug VietJet Air
11 Aug - 18 Aug VietJet Air
28 Aug - 02 Sep VietJet Air
03 Aug - 11 Aug VietJet Air
20 Aug - 31 Aug China Southern
18 Aug - 25 Aug Korean Air direct
28 Aug - 02 Sep Asiana Airlines direct

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

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