Cheapest return flights from London to Istanbul in May from 176€

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

Return flights

09 May - 22 May KLM
14 May - 28 May KLM
27 May - 09 Jun KLM
27 May - 20 Jun KLM
06 May - 20 May KLM
18 May - 28 May KLM
12 May - 28 May KLM
19 May - 09 Jun KLM
05 May - 12 May KLM
11 May - 12 Jun KLM
05 May - 09 Jun KLM
12 May - 20 May KLM
08 May - 20 May KLM
06 May - 12 May KLM
19 May - 28 May KLM
27 May - 01 Jun KLM
27 May - 02 Jun KLM
15 May - 04 Jun KLM
18 May - 01 Jun KLM
07 May - 04 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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