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

Return flights

28 Feb - 04 Mar	T'way Air
27 Feb - 03 Mar	VietJet Air
25 Feb - 04 Mar	T'way Air
04 Feb - 11 Feb	Shandong Airlines
02 Feb - 05 Feb	T'way Air	direct
01 Feb - 11 Feb	VietJet Air
03 Feb - 11 Feb	VietJet Air
08 Feb - 11 Feb	VietJet Air
03 Feb - 06 Feb	VietJet Air
03 Feb - 10 Feb	HK Express
02 Feb - 16 Feb	T'way Air	direct
02 Feb - 12 Feb	T'way Air	direct
28 Feb - 31 Mar	Jeju Air	direct
07 Feb - 11 Feb	VietJet Air
28 Feb - 06 Mar	VietJet Air
28 Feb - 05 Mar	T'way Air
27 Feb - 31 Mar	VietJet Air
28 Feb - 09 Mar	Jeju Air
28 Feb - 10 Mar	Jeju Air
28 Feb - 11 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 148€

Return flights