AirHint found the following cheapest return flights from London (LCY) to Istanbul (IST) in June 2026 (see full year).

Return flights

01 Jun - 30 Jun	Lufthansa
16 Jun - 24 Jun	Lufthansa
05 Jun - 10 Jun	Lufthansa
02 Jun - 15 Jul	Lufthansa
04 Jun - 09 Jun	Lufthansa
04 Jun - 16 Jun	Lufthansa
10 Jun - 15 Jun	Lufthansa
01 Jun - 18 Jun	Lufthansa
01 Jun - 08 Jun	Lufthansa
17 Jun - 25 Jun	Lufthansa
08 Jun - 15 Jun	Lufthansa
30 Jun - 07 Jul	KLM
25 Jun - 02 Jul	Lufthansa
26 Jun - 02 Jul	Lufthansa
30 Jun - 03 Jul	Lufthansa
25 Jun - 04 Jul	ITA Airways

Also check the deals for one-way flights from London to Istanbul in June.

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 June from $323

Return flights