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

Best time to book flights for Seoul (ICN) to Hanoi (HAN) flights at AirHint

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

Return flights

14 May - 20 Jun Jeju Air direct
17 May - 20 Jun Jeju Air direct
17 May - 13 Jun Jeju Air direct
19 May - 01 Jun Jeju Air direct
18 May - 01 Jun VietJet Air
18 May - 01 Jun Jeju Air direct
14 May - 02 Jun Jeju Air direct
15 May - 30 Jun VietJet Air
15 May - 30 Jun Jeju Air direct
15 May - 10 Jun VietJet Air

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

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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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