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

Return flights

03 Jun - 10 Jun	Lufthansa
11 Jun - 15 Jun	Lufthansa
19 Jun - 23 Jun	Lufthansa
12 Jun - 16 Jun	Lufthansa
17 Jun - 24 Jun	Lufthansa
10 Jun - 01 Jul	Lufthansa
24 Jun - 17 Jul	Lufthansa
15 Jun - 22 Jun	Lufthansa
12 Jun - 22 Jun	Lufthansa
08 Jun - 15 Jun	Lufthansa
22 Jun - 25 Jun	Lufthansa
15 Jun - 18 Jun	Lufthansa
29 Jun - 29 Jul	Lufthansa

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 265€

Return flights