Cheapest return flights from Seoul to Hanoi in December from $137

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

Return flights

18 Dec - 25 Dec VietJet Air direct
14 Dec - 20 Dec VietJet Air direct
12 Dec - 14 Dec VietJet Air direct
22 Dec - 30 Dec VietJet Air direct
22 Dec - 29 Dec VietJet Air direct
26 Dec - 29 Dec VietJet Air direct
05 Dec - 09 Dec HK Express
09 Dec - 17 Dec HK Express
05 Dec - 10 Dec HK Express
05 Dec - 17 Dec HK Express
10 Dec - 10 Jan HK Express
21 Dec - 04 Jan VietJet Air direct
17 Dec - 11 Jan Vietnam Airlines
27 Dec - 24 Jan VietJet Air
19 Dec - 04 Jan VietJet Air
23 Dec - 06 Jan China Southern
24 Dec - 06 Jan China Southern
31 Dec - 03 Jan China Southern
23 Dec - 01 Jan China Southern
24 Dec - 03 Jan China Southern

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

Skyscanner

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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