Cheapest one-way flights from Seoul to Hanoi in December from $119

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

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

One-Way flights

20 Dec VietJet Air direct
29 Dec VietJet Air direct
14 Dec Vietnam Airlines
18 Dec Vietnam Airlines
07 Dec Vietnam Airlines
01 Dec Vietnam Airlines
02 Dec Vietnam Airlines
10 Dec Vietnam Airlines
06 Dec China Southern
24 Dec China Southern

Also check the deals for return 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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