AirHint found the following cheapest return flights from Seoul (ICN) to Ho Chi Minh City (SGN) in December 2025 (see full year).

Return flights

23 Dec - 02 Jan	VietJet Air
23 Dec - 30 Dec	VietJet Air
16 Dec - 23 Dec	T'way Air
05 Dec - 21 Dec	China Eastern
05 Dec - 12 Dec	China Eastern
19 Dec - 21 Dec	China Eastern
11 Dec - 14 Dec	China Eastern
12 Dec - 15 Dec	China Eastern
11 Dec - 18 Dec	China Eastern
12 Dec - 14 Dec	China Eastern
04 Dec - 15 Dec	China Eastern
29 Dec - 01 Jan	China Eastern
29 Dec - 05 Jan	China Eastern
06 Dec - 17 Jan	China Eastern
31 Dec - 04 Jan	China Eastern
30 Dec - 06 Jan	China Eastern
30 Dec - 04 Jan	China Eastern
22 Dec - 05 Jan	VietJet Air
08 Dec - 06 Jan	VietJet Air
08 Dec - 09 Jan	VietJet Air

Also check the deals for one-way flights from Seoul to Ho Chi Minh City in December.

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 Ho Chi Minh City in December from $145

Return flights