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

Return flights

01 Jul - 15 Jul	Wizz Air
15 Jul - 29 Jul	Ryanair
14 Jul - 18 Jul	Ryanair
08 Jul - 23 Jul	Ryanair
13 Jul - 23 Jul	Wizz Air Malta
14 Jul - 21 Jul	Ryanair
06 Jul - 18 Jul	Wizz Air Malta
08 Jul - 21 Jul	Ryanair
06 Jul - 17 Jul	Wizz Air Malta
06 Jul - 09 Jul	Wizz Air Malta
15 Jul - 20 Aug	Ryanair
01 Jul - 20 Aug	Wizz Air
21 Jul - 04 Aug	Ryanair
12 Jul - 12 Aug	Wizz Air Malta
13 Jul - 26 Aug	Wizz Air Malta
13 Jul - 02 Aug	Wizz Air Malta
16 Jul - 06 Aug	Ryanair
21 Jul - 26 Aug	Ryanair
15 Jul - 27 Aug	Ryanair
29 Jul - 05 Aug	Wizz Air Malta

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 736€

Return flights