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

Return flights

06 Dec - 18 Dec	United
07 Dec - 28 Dec	Air Canada
06 Dec - 28 Dec	Delta
07 Dec - 20 Dec	Air Canada
13 Dec - 12 Jan	Air Canada
13 Dec - 13 Jan	Air Canada
22 Dec - 14 Jan	Air Canada
12 Dec - 12 Jan	Air Canada
13 Dec - 10 Jan	Air Canada
06 Dec - 11 Jan	Delta
23 Dec - 16 Jan	Delta

Also check the deals for one-way flights from Orlando to Seoul 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 Orlando to Seoul in December from $863

Return flights