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

Return flights

10 Jul - 17 Jul	Jet2
11 Jul - 18 Jul	Wizz Air UK
10 Jul - 25 Jul	Jet2
10 Jul - 24 Jul	Jet2
10 Jul - 16 Jul	Jet2
10 Jul - 18 Jul	Jet2
10 Jul - 23 Jul	Jet2
10 Jul - 22 Jul	Jet2
10 Jul - 14 Jul	Jet2
08 Jul - 14 Jul	SunExpress
11 Jul - 04 Aug	Wizz Air UK
10 Jul - 07 Aug	Jet2
09 Jul - 06 Aug	SunExpress
08 Jul - 01 Aug	Wizz Air UK	direct
10 Jul - 03 Aug	Jet2
09 Jul - 02 Aug	SunExpress
14 Jul - 06 Aug	Wizz Air UK
09 Jul - 06 Aug	Wizz Air UK	direct
09 Jul - 09 Aug	SunExpress
29 Jul - 04 Aug	Wizz Air

Also check the deals for one-way flights from London to Istanbul 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 Istanbul in July from $121

Return flights