Cheapest return flights from Seoul to Hanoi in August from $147

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

Return flights

28 Aug - 01 Sep VietJet Air direct
29 Aug - 07 Sep VietJet Air direct
29 Aug - 01 Sep VietJet Air direct
28 Aug - 04 Sep VietJet Air direct
18 Aug - 28 Aug Jeju Air direct
31 Aug - 07 Sep VietJet Air direct
24 Aug - 28 Aug Jeju Air direct
25 Aug - 27 Aug Jeju Air direct
24 Aug - 27 Aug Jeju Air direct
18 Aug - 25 Aug Jeju Air direct
25 Aug - 24 Sep Jeju Air direct
31 Aug - 04 Sep Jeju Air direct
26 Aug - 04 Sep Jeju Air direct
28 Aug - 06 Sep Jeju Air direct
29 Aug - 03 Sep Jeju Air direct
17 Aug - 25 Aug Jeju Air direct
21 Aug - 26 Aug VietJet Air direct
18 Aug - 24 Aug VietJet Air direct
22 Aug - 28 Aug Jeju Air direct
23 Aug - 27 Aug Jeju Air direct

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

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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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