AirHint found the following cheapest return flights from Seoul (ICN) to Haiphong (HPH) in January 2026 (see full year).

Return flights

05 Jan - 10 Jan	VietJet Air	direct
12 Jan - 15 Jan	VietJet Air
14 Jan - 18 Jan	VietJet Air
28 Jan - 01 Feb	VietJet Air
30 Jan - 03 Feb	VietJet Air
29 Jan - 03 Feb	VietJet Air
18 Jan - 28 Feb	VietJet Air
25 Jan - 29 Jan	VietJet Air
29 Jan - 31 Jan	VietJet Air
01 Jan - 04 Jan	VietJet Air

Also check the deals for one-way flights from Seoul to Haiphong in January.

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 Haiphong in January from $199

Return flights