Cheapest one-way flights from Seoul to London in September from $320

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

AirHint found the following cheapest one-way flights from Seoul (ICN) to London (LGW) in September 2025 (see full year).

One-Way flights

15 Sep China Eastern
16 Sep China Eastern
19 Sep China Eastern
09 Sep Qatar Airways
28 Sep Korean Air
06 Sep Etihad Airways
08 Sep Vietnam Airlines
02 Sep Etihad Airways
03 Sep T'way Air
30 Sep Scat Airlines

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

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.

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