AirHint found the following cheapest return flights from London (LTN) to Seoul (ICN) in July 2025 (see full year).

Return flights

03 Jul - 23 Jul	easyJet
02 Jul - 10 Jul	Wizz Air Malta
13 Jul - 17 Jul	Wizz Air
03 Jul - 02 Aug	easyJet
06 Jul - 11 Jul	Wizz Air
08 Jul - 13 Jul	Wizz Air UK
07 Jul - 14 Jul	Wizz Air UK
07 Jul - 13 Jul	easyJet
07 Jul - 10 Jul	Wizz Air UK
02 Jul - 14 Jul	Wizz Air
04 Jul - 11 Jul	Wizz Air UK
22 Jul - 26 Aug	Ryanair
02 Jul - 20 Aug	Wizz Air Malta
14 Jul - 19 Aug	Ryanair
22 Jul - 19 Aug	Ryanair
21 Jul - 03 Aug	Ryanair
22 Jul - 11 Aug	easyJet
28 Jul - 11 Aug	Wizz Air UK
22 Jul - 01 Aug	Ryanair
20 Jul - 20 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 $779

Return flights