Cheapest return flights from Seoul to Hanoi in May from $151

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

Return flights

22 May - 05 Jun VietJet Air direct
27 May - 03 Jun VietJet Air direct
16 May - 30 May VietJet Air direct
10 May - 23 May VietJet Air direct
22 May - 24 May VietJet Air direct
14 May - 20 May VietJet Air direct
20 May - 25 May VietJet Air
23 May - 27 May VietJet Air direct
23 May - 26 May VietJet Air direct
18 May - 08 Jun VietJet Air
28 May - 01 Jun VietJet Air
28 May - 04 Jun VietJet Air
26 May - 02 Jun VietJet Air
24 May - 02 Jun VietJet Air
23 May - 09 Jun VietJet Air
27 May - 31 May VietJet Air
21 May - 31 May VietJet Air
08 May - 31 May VietJet Air
29 May - 06 Jun VietJet Air
30 May - 06 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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