Cheapest return flights from Seoul to Hanoi in December from $249

Best time to book flights for Seoul (ICN) to Hanoi (HAN) flights at AirHint

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

Return flights

15 Dec - 12 Jan Vietnam Airlines
11 Dec - 14 Dec Vietnam Airlines
10 Dec - 17 Dec Vietnam Airlines
11 Dec - 17 Dec Vietnam Airlines
15 Dec - 25 Dec Vietnam Airlines
03 Dec - 10 Dec Vietnam Airlines
17 Dec - 26 Dec Vietnam Airlines
01 Dec - 07 Dec Vietnam Airlines
02 Dec - 09 Dec Vietnam Airlines
03 Dec - 09 Dec Vietnam Airlines
04 Dec - 10 Dec Vietnam Airlines
18 Dec - 01 Jan China Southern
24 Dec - 03 Jan China Southern
24 Dec - 02 Jan China Southern
31 Dec - 03 Jan China Southern
23 Dec - 02 Jan China Southern
26 Dec - 04 Jan VietJet Air direct
15 Dec - 12 Jan Asiana Airlines direct
25 Dec - 04 Jan China Southern
30 Dec - 04 Jan China Southern

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