Cheapest one-way flights from Seoul to Hanoi in May from $70

AirHint found the following cheapest one-way flights from Seoul (ICN) to Hanoi (HAN) in May 2026 (see full year).

One-Way flights

26 May VietJet Air direct
21 May VietJet Air direct
25 May VietJet Air direct
11 May VietJet Air direct
08 May VietJet Air direct
16 May VietJet Air direct
06 May VietJet Air direct
10 May VietJet Air direct
09 May VietJet Air direct
12 May Jeju Air direct

Also check the deals for return 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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