Cheapest return flights from Hanoi to Seoul in May from $157

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

Return flights

13 May - 26 May VietJet Air direct
08 May - 15 May VietJet Air direct
04 May - 10 May VietJet Air direct
07 May - 10 May VietJet Air direct
11 May - 14 May VietJet Air
11 May - 15 May VietJet Air
14 May - 19 May VietJet Air
15 May - 20 May VietJet Air
12 May - 21 May VietJet Air
11 May - 19 May VietJet Air
27 May - 03 Jun VietJet Air
29 May - 03 Jun VietJet Air
27 May - 07 Jun VietJet Air
26 May - 07 Jun VietJet Air
27 May - 07 Jun Jeju Air direct
29 May - 03 Jun Asiana Airlines direct
27 May - 03 Jun Asiana Airlines direct
26 May - 07 Jun Asiana Airlines direct

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

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