Cheapest return flights from Seoul to London in April from $464

AirHint found the following cheapest return flights from Seoul (ICN) to London (LHR) in April 2026 (see full year).

Return flights

01 Apr - 08 Apr China Southern
01 Apr - 07 Apr China Southern
03 Apr - 26 Apr China Southern
01 Apr - 19 Apr China Southern
03 Apr - 19 Apr China Southern
01 Apr - 13 Apr China Southern
03 Apr - 15 Apr China Southern
03 Apr - 07 Apr China Southern
01 Apr - 22 Apr China Southern
03 Apr - 08 Apr China Southern
28 Apr - 07 May Shenzhen Airlines
01 Apr - 13 May China Southern
03 Apr - 13 May China Southern
01 Apr - 06 May China Southern
01 Apr - 01 May China Southern
02 Apr - 25 May Finnair
21 Apr - 20 May Finnair
30 Apr - 16 May Shenzhen Airlines
27 Apr - 07 May Air China
22 Apr - 05 May Air China

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

Powered by

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 London

Cheap car rent in London

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