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

Return flights

13 Feb - 18 Feb	VietJet Air	direct
06 Feb - 13 Feb	VietJet Air	direct
14 Feb - 24 Feb	VietJet Air
14 Feb - 21 Feb	VietJet Air
19 Feb - 26 Feb	VietJet Air
02 Feb - 10 Feb	Asiana Airlines	direct
20 Feb - 24 Feb	Asiana Airlines	direct
23 Feb - 28 Feb	Asiana Airlines	direct
14 Feb - 24 Feb	Jeju Air	direct
14 Feb - 21 Feb	Jeju Air	direct
26 Feb - 04 Mar	AirAsia
28 Feb - 04 Mar	AirAsia
26 Feb - 09 Mar	AirAsia
26 Feb - 02 Mar	AirAsia
26 Feb - 11 Mar	AirAsia
28 Feb - 09 Mar	AirAsia
28 Feb - 02 Mar	AirAsia
28 Feb - 11 Mar	AirAsia
26 Feb - 06 Mar	AirAsia
28 Feb - 06 Mar	AirAsia

Also check the deals for one-way flights from Hanoi to Seoul 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 Hanoi to Seoul in February from $138

Return flights