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

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
07 Apr 20 Apr Shenzhen Airlines
05 Apr 13 Apr Shenzhen Airlines
10 Apr 17 Apr Shenzhen Airlines
10 Apr 24 Apr Shenzhen Airlines
24 Apr 27 Apr Shenzhen Airlines
16 Apr 20 Apr Shenzhen Airlines
17 Apr 27 Apr Shenzhen Airlines
12 Apr 20 Apr Shenzhen Airlines
12 Apr 18 Apr Shenzhen Airlines
05 Apr 18 Apr Shenzhen Airlines
27 Apr 18 May Lufthansa
19 Apr 05 May Lufthansa
29 Apr 13 May Lufthansa
28 Apr 06 May Lufthansa
18 Apr 12 May SWISS
28 Apr 07 May Air India
06 Apr 04 May Lufthansa
20 Apr 04 May Lufthansa
19 Apr 03 May Lufthansa
18 Apr 02 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 8, 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.