Cheapest one-way flights from Seoul to London in April from $293

AirHint found the following cheapest one-way flights from Seoul (GMP) to London (LGW) in April 2026 (see full year).

One-Way flights

03 Apr Korean Air
05 Apr Asiana Airlines
02 Apr Air China
12 Apr China Southern
24 Apr Air China
26 Apr Air China
04 Apr Korean Air
10 Apr Korean Air
19 Apr China Southern
30 Apr Shanghai Airlines

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

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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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