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

Return flights

11 Feb - 02 Mar	VietJet Air
11 Feb - 01 Mar	VietJet Air
05 Feb - 30 Mar	VietJet Air
02 Feb - 27 Feb	VietJet Air
12 Feb - 02 Mar	VietJet Air
02 Feb - 16 Mar	VietJet Air
03 Feb - 16 Mar	VietJet Air
26 Feb - 06 Mar	HK Express
09 Feb - 24 Feb	VietJet Air
11 Feb - 19 Feb	VietJet Air
01 Feb - 16 Mar	VietJet Air
04 Feb - 09 Feb	VietJet Air
06 Feb - 09 Feb	VietJet Air
26 Feb - 09 Mar	HK Express
26 Feb - 10 Mar	HK Express
06 Feb - 22 Feb	VietJet Air
11 Feb - 20 Feb	VietJet Air
12 Feb - 19 Feb	VietJet Air
12 Feb - 20 Feb	VietJet Air
13 Feb - 28 Feb	VietJet Air

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 $227

Return flights