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

Return flights

27 Jul - 04 Aug	Wizz Air UK
02 Jul - 14 Jul	Wizz Air
01 Jul - 09 Jul	Wizz Air
01 Jul - 08 Jul	Wizz Air
01 Jul - 07 Jul	Wizz Air
06 Jul - 14 Jul	Wizz Air
03 Jul - 10 Jul	Wizz Air Malta
06 Jul - 13 Jul	Wizz Air
04 Jul - 14 Jul	Wizz Air
01 Jul - 16 Jul	Wizz Air
09 Jul - 17 Jul	Wizz Air
11 Jul - 01 Aug	Ryanair
27 Jul - 19 Aug	Wizz Air UK
20 Jul - 25 Aug	Wizz Air UK
20 Jul - 20 Aug	Ryanair
29 Jul - 26 Aug	Ryanair
17 Jul - 04 Aug	Wizz Air Malta
04 Jul - 30 Aug	Wizz Air
20 Jul - 29 Aug	Ryanair
20 Jul - 21 Aug	Ryanair

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

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.

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Cheapest return flights from London to Seoul in July from 733€

Return flights