Cheapest return flights from Seoul to Hanoi in May from $272

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

Return flights

28 May - 29 May Air Busan
28 May - 30 May Air Busan
28 May - 01 Jun Air Busan
18 May - 21 May Air Busan
24 May - 28 May Korean Air
29 May - 01 Jun Air Busan
11 May - 16 May Air Busan
28 May - 31 May Air Busan
05 May - 12 May Air Busan
14 May - 21 May Jeju Air
09 May - 11 May Air Busan
28 May - 08 Jun Jeju Air
07 May - 21 May Jeju Air
07 May - 21 Jun Jeju Air
28 May - 02 Jun Jeju Air
27 May - 02 Jun Jeju Air
30 May - 02 Jun Jeju Air
29 May - 07 Jun Jeju Air
29 May - 02 Jun Jeju Air
30 May - 04 Jun 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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