Cheapest one-way flights from Seoul to London in December from $218

AirHint found the following cheapest one-way flights from Seoul (GMP) to London (LTN) in December 2025 (see full year).

One-Way flights

23 Dec China Eastern
16 Dec Air China
22 Dec China Eastern
13 Dec Jin Air
15 Dec Eastar Jet
14 Dec Eastar Jet
20 Dec Eastar Jet
21 Dec T'way Air
09 Dec Air China
18 Dec Air Busan

Also check the deals for return flights from Seoul to London in December.

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.