Cheapest one-way flights from London to Seoul in April from $443

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

One-Way flights

09 Apr Air China
15 Apr Air China
25 Apr Air China
13 Apr Air China
18 Apr Air China
23 Apr Air China
30 Apr Air China
20 Apr Ryanair
06 Apr Norwegian Air Sweden AOC
17 Apr Air China

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

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

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