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

Return flights

02 Jul - 16 Jul	Wizz Air
02 Jul - 09 Jul	Wizz Air
01 Jul - 08 Jul	Ryanair
02 Jul - 10 Jul	Wizz Air
13 Jul - 19 Jul	Ryanair
01 Jul - 07 Jul	Ryanair
02 Jul - 11 Jul	Wizz Air
04 Jul - 20 Jul	Wizz Air Malta
01 Jul - 17 Jul	Wizz Air
03 Jul - 12 Jul	Wizz Air UK
27 Jul - 10 Aug	Ryanair
20 Jul - 06 Aug	Wizz Air Malta
20 Jul - 05 Aug	Wizz Air Malta
24 Jul - 07 Aug	Wizz Air Malta
31 Jul - 15 Aug	Ryanair
22 Jul - 01 Aug	Ryanair
18 Jul - 08 Aug	Wizz Air Malta
18 Jul - 04 Aug	Wizz Air
27 Jul - 09 Aug	Wizz Air
25 Jul - 23 Aug	Wizz Air

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 772€

Return flights