Cheapest return flights from London (LHR) to Seoul (ICN), April

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
16 Apr 16 May Shenzhen Airlines
17 Apr 24 Apr Shenzhen Airlines
07 Apr 17 Apr Shenzhen Airlines
10 Apr 24 Apr Shenzhen Airlines
09 Apr 24 Apr Shenzhen Airlines
12 Apr 18 Apr Shenzhen Airlines
07 Apr 20 Apr Shenzhen Airlines
09 Apr 18 Apr Shenzhen Airlines
10 Apr 25 Apr Shenzhen Airlines
05 Apr 11 Apr Shenzhen Airlines
14 Apr 27 Apr Shenzhen Airlines
26 Apr 12 May SWISS
06 Apr 11 May Lufthansa
27 Apr 11 May Lufthansa
29 Apr 06 May Lufthansa
19 Apr 04 May Lufthansa
26 Apr 10 May Shenzhen Airlines
23 Apr 05 May Shenzhen Airlines
23 Apr 08 May Shenzhen Airlines
26 Apr 04 May Oman Air
Powered by

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

Book a cheap hotel in Seoul

Cheap car rent in Incheon Intl

Updated Jul 6, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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