AirHint found the following cheapest one-way flights from Hanoi (HAN) to Seoul (ICN) in March 2026 (see full year).

One-Way flights

17 Mar	VietJet Air	direct
10 Mar	VietJet Air	direct
08 Mar	Scoot Tigerair
15 Mar	Scoot Tigerair
01 Mar	Scoot Tigerair
12 Mar	Jeju Air	direct
13 Mar	Jeju Air	direct
03 Mar	VietJet Air	direct
11 Mar	AirAsia
14 Mar	AirAsia

Also check the deals for return flights from Hanoi to Seoul in March.

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 one-way flights from Hanoi to Seoul in March from $123

One-Way flights