Cheapest return flights from Hanoi to Seoul in December from $210

AirHint found the following cheapest return flights from Hanoi (HAN) to Seoul (ICN) in December 2025 (see full year).

Return flights

23 Dec - 30 Dec VietJet Air direct
08 Dec - 14 Dec VietJet Air direct
21 Dec - 29 Dec VietJet Air direct
09 Dec - 12 Dec VietJet Air
24 Dec - 28 Dec VietJet Air direct
25 Dec - 28 Dec VietJet Air direct
03 Dec - 12 Dec HK Express
07 Dec - 13 Dec HK Express
11 Dec - 16 Dec HK Express
12 Dec - 16 Dec HK Express
24 Dec - 10 Jan VietJet Air
27 Dec - 10 Jan VietJet Air
29 Dec - 05 Jan VietJet Air
27 Dec - 02 Jan VietJet Air
31 Dec - 04 Jan VietJet Air
27 Dec - 01 Jan VietJet Air
27 Dec - 10 Jan Jeju Air direct
24 Dec - 10 Jan Jeju Air direct
31 Dec - 04 Jan Jeju Air direct
27 Dec - 02 Jan Jeju Air direct

Also check the deals for one-way flights from Hanoi to Seoul in December.

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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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