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

Return flights

19 Dec - 18 Jan	Asiana Airlines
10 Dec - 25 Dec	Delta
18 Dec - 04 Jan	Delta
20 Dec - 30 Jan	Delta
20 Dec - 10 Jan	Delta
20 Dec - 02 Jan	Delta
22 Dec - 22 Jan	Delta
30 Dec - 30 Jan	Delta
30 Dec - 20 Jan	Delta
15 Dec - 22 Dec	Delta
15 Dec - 23 Dec	Delta
09 Dec - 16 Dec	Delta

Also check the deals for one-way flights from Seoul to Guatemala 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 Guatemala City in December from $1558

Return flights