Cheapest return flights from London to Seoul in December from $1068

Best time to book flights for London (LHR) to Seoul (GMP) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Seoul (GMP) in December 2025 (see full year).

Return flights

10 Dec - 17 Dec Air China
11 Dec - 29 Dec Air China
22 Dec - 29 Dec Air China
07 Dec - 23 Jan Air China
27 Dec - 23 Jan Air China
21 Dec - 11 Jan Air China
09 Dec - 13 Dec Japan Airlines
11 Dec - 15 Dec ANA
11 Dec - 04 Jan Air China
27 Dec - 04 Jan Air China
23 Dec - 05 Jan Air China
22 Dec - 04 Jan Air China
19 Dec - 04 Jan Air China
19 Dec - 05 Jan Air China
21 Dec - 04 Jan Air China
20 Dec - 27 Dec Japan Airlines
11 Dec - 13 Dec ANA

Also check the deals for one-way flights from London to Seoul 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul