Cheapest return flights from London to Istanbul in May from 165€

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

Return flights

12 May - 27 May KLM
09 May - 27 May KLM
06 May - 20 May KLM
19 May - 04 Jun KLM
27 May - 20 Jun KLM
27 May - 10 Jun KLM
19 May - 09 Jun KLM
11 May - 27 May KLM
28 May - 08 Jun KLM
11 May - 15 May KLM
19 May - 08 Jun KLM
27 May - 04 Jun KLM
09 May - 20 May KLM
20 May - 27 May KLM
18 May - 19 May KLM
18 May - 27 May KLM
12 May - 20 May KLM
19 May - 22 Jun KLM
14 May - 04 Jun KLM
19 May - 03 Jun KLM

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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