Cheapest return flights from London to Seoul in December from 550€

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

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

Return flights

01 Dec - 15 Dec Lufthansa
04 Dec - 14 Dec Lufthansa
01 Dec - 07 Dec Air China
04 Dec - 15 Dec Lufthansa
10 Dec - 31 Dec Lufthansa
13 Dec - 31 Dec Lufthansa
15 Dec - 30 Dec Lufthansa
17 Dec - 12 Jan Lufthansa
05 Dec - 12 Dec Air China
17 Dec - 09 Jan LOT
13 Dec - 30 Dec Lufthansa
11 Dec - 12 Jan Lufthansa
08 Dec - 21 Dec Lufthansa
18 Dec - 01 Jan Lufthansa
24 Dec - 20 Jan Lufthansa
14 Dec - 16 Jan Scandinavian Airlines
24 Dec - 18 Jan Lufthansa
06 Dec - 04 Jan Lufthansa
26 Dec - 16 Jan Lufthansa
13 Dec - 11 Jan Lufthansa

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