Cheapest return flights from Seoul to Hanoi in April from $168

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

Return flights

25 Apr - 02 May VietJet Air direct
16 Apr - 23 Apr VietJet Air
17 Apr - 21 Apr VietJet Air
17 Apr - 21 Apr VietJet Air direct
29 Apr - 04 May VietJet Air direct
04 Apr - 15 Apr VietJet Air
16 Apr - 19 Apr VietJet Air direct
08 Apr - 11 Apr VietJet Air
16 Apr - 23 Apr Vietnam Airlines direct
09 Apr - 20 Apr VietJet Air
24 Apr - 01 May Vietnam Airlines direct
07 Apr - 11 Apr VietJet Air direct
23 Apr - 25 Apr Vietnam Airlines direct
24 Apr - 03 May Vietnam Airlines direct
20 Apr - 20 May Vietnam Airlines direct
26 Apr - 02 May Vietnam Airlines direct
24 Apr - 08 May Vietnam Airlines direct
27 Apr - 06 May Vietnam Airlines direct
26 Apr - 01 May Vietnam Airlines direct
29 Apr - 07 May VietJet Air

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

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