Cheapest return flights from Seoul to Hanoi in May from 353€

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

Return flights

06 May - 09 May Air Busan
19 May - 30 Jun Jeju Air
27 May - 02 Jun Jeju Air
28 May - 02 Jun Jeju Air
18 May - 02 Jun Jeju Air
19 May - 02 Jun Jeju Air
27 May - 04 Jun Jeju Air
18 May - 04 Jun Jeju Air
19 May - 04 Jun Jeju Air
13 May - 23 Jun Jeju Air
10 May - 09 Jun Jeju Air
17 May - 31 May Air China
20 May - 24 May Air Busan
09 May - 16 May Air China
12 May - 21 May Jeju Air
06 May - 11 May Air Busan
16 May - 22 May Jeju Air
08 May - 21 May Air China
24 May - 27 May Jeju Air
18 May - 22 May Jeju 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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