Cheapest return flights from London to Istanbul in May from 150€

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

Return flights

05 May - 26 May British Airways direct
05 May - 09 Jun British Airways direct
02 May - 16 May British Airways direct
04 May - 18 May British Airways direct
13 May - 27 May British Airways direct
14 May - 27 May British Airways direct
12 May - 13 May British Airways direct
15 May - 26 May British Airways direct
02 May - 12 May British Airways direct
12 May - 19 May British Airways direct
11 May - 12 May British Airways direct
28 May - 10 Jun British Airways direct
27 May - 02 Jun British Airways direct
26 May - 09 Jun British Airways direct
29 May - 03 Jun British Airways direct
28 May - 02 Jun British Airways direct
28 May - 03 Jun British Airways direct
28 May - 03 Jun KLM
31 May - 02 Jun British Airways direct
31 May - 06 Jun British Airways direct

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

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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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