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

Return flights

17 Apr - 08 May	Wizz Air Malta
23 Apr - 08 May	Wizz Air Malta
08 Apr - 13 Apr	Wizz Air
25 Apr - 08 May	Wizz Air
21 Apr - 29 Apr	Wizz Air
29 Apr - 11 May	Wizz Air UK
17 Apr - 30 Apr	Wizz Air Malta
23 Apr - 29 Apr	Wizz Air Malta
18 Apr - 03 May	Ryanair
05 Apr - 15 Apr	Wizz Air
20 Apr - 30 Apr	Wizz Air Malta
24 Apr - 30 Apr	Wizz Air Malta
28 Apr - 26 May	Ryanair
27 Apr - 01 May	Wizz Air
08 Apr - 15 Apr	Wizz Air
24 Apr - 03 May	Wizz Air Malta
28 Apr - 05 May	Ryanair
20 Apr - 27 Apr	Ryanair
30 Apr - 10 May	Ryanair
06 Apr - 30 Apr	Ryanair

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

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

Cheapest return flights from London to Seoul in April from 582€

Return flights