Cheapest return flights from Seoul to Hanoi in April from $319

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

Return flights

23 Apr - 02 May Air Busan
21 Apr - 23 Apr Jeju Air
20 Apr - 23 Apr Jeju Air
18 Apr - 23 Apr Jeju Air
14 Apr - 22 Apr Jeju Air
15 Apr - 22 Apr Jeju Air
20 Apr - 22 Apr Jeju Air
18 Apr - 21 Apr Jeju Air
25 Apr - 03 May Air Busan
07 Apr - 22 Apr Jeju Air
19 Apr - 23 Apr Jeju Air
22 Apr - 27 Apr Jeju Air
30 Apr - 03 May Air Busan
25 Apr - 11 May Jeju Air
24 Apr - 11 May Jeju Air
24 Apr - 10 May Jeju Air
27 Apr - 02 May Jeju Air
01 Apr - 02 May Jeju Air
25 Apr - 02 May Jeju Air
23 Apr - 03 May Jeju Air

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

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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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