Cheapest return flights from Seoul to Hanoi in April from 406€

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

Return flights

25 Apr - 03 May Air Busan
16 Apr - 23 Apr Air Busan
24 Apr - 03 May Jeju Air
15 Apr - 22 Apr Jeju Air
16 Apr - 22 Apr Jeju Air
12 Apr - 23 Apr Jeju Air
17 Apr - 23 Apr Jeju Air
19 Apr - 23 Apr Jeju Air
18 Apr - 22 Apr Jeju Air
19 Apr - 22 Apr Jeju Air
25 Apr - 01 May Jeju Air
10 Apr - 22 Apr Jeju Air
17 Apr - 22 Apr Jeju Air
28 Apr - 01 May Jeju Air
22 Apr - 08 May Jeju Air
24 Apr - 01 May Jeju Air
29 Apr - 02 May Air Busan
25 Apr - 09 May Jeju Air
22 Apr - 14 May Jeju Air
15 Apr - 13 May Jeju Air

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

Powered by

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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Feel free to contact us with any feedback or request another flight research.