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

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

Return flights

04 May - 09 May VietJet Air direct
18 May - 24 May VietJet Air direct
23 May - 27 May Vietnam Airlines direct
23 May - 25 May Vietnam Airlines direct
28 May - 30 May Vietnam Airlines direct
22 May - 26 May Vietnam Airlines direct
22 May - 25 May Vietnam Airlines direct
29 May - 03 Jun Vietnam Airlines direct
04 May - 11 May Vietnam Airlines direct
01 May - 05 May Vietnam Airlines direct
01 May - 04 May Vietnam Airlines direct
18 May - 03 Jun AirAsia X
18 May - 07 Jun AirAsia X
29 May - 16 Jun AirAsia X
22 May - 03 Jun AirAsia X
29 May - 07 Jun AirAsia X
22 May - 07 Jun AirAsia X

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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