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

Return flights

01 Feb - 07 Feb	Air Busan
01 Feb - 05 Feb	Jeju Air
03 Feb - 05 Feb	Jeju Air
02 Feb - 05 Feb	Jeju Air
02 Feb - 12 Feb	Jeju Air
03 Feb - 04 Feb	Air Busan
28 Feb - 05 Mar	Air Busan
27 Feb - 03 Mar	Jin Air
07 Feb - 12 Feb	Air Busan
28 Feb - 06 Mar	Air Busan
10 Feb - 12 Feb	Jeju Air
11 Feb - 12 Feb	Air Busan
08 Feb - 10 Feb	Air Busan
21 Feb - 01 Mar	T'way Air
27 Feb - 04 Mar	Korean Air
25 Feb - 11 Mar	Jeju Air
26 Feb - 10 Mar	Jeju Air
25 Feb - 07 Mar	Jeju Air
27 Feb - 11 Mar	Jeju Air
23 Feb - 13 Mar	Jeju Air

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

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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Cheapest return flights from Seoul to Hanoi in February from 223€

Return flights