Cheapest return flights from London to Istanbul in May from $326

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

Return flights

14 May - 19 May KLM
05 May - 08 May Lufthansa
08 May - 11 May Lufthansa
27 May - 31 May KLM
25 May - 28 May Lufthansa
04 May - 14 May Lufthansa
21 May - 25 May Lufthansa
25 May - 29 May Lufthansa
22 May - 25 May KLM
14 May - 17 May KLM

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

Skyscanner

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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