Cheapest return flights from London to Istanbul in May from 177€

Best time to book flights for London (LHR) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Istanbul (IST) in May 2025 (see full year).

Return flights

06 May - 12 May British Airways direct
10 May - 12 May British Airways direct
08 May - 12 May British Airways direct
27 May - 25 Jun British Airways direct
28 May - 19 Jun British Airways direct
15 May - 22 May Air France
07 May - 14 May Turkish Airlines direct
01 May - 22 May Air France
02 May - 09 May Turkish Airlines direct
02 May - 08 May Turkish Airlines direct
08 May - 15 May Turkish Airlines direct
21 May - 28 May Turkish Airlines direct
19 May - 11 Jun British Airways direct
01 May - 30 Jun Turkish Airlines direct
31 May - 11 Jun British Airways direct
13 May - 09 Jun Turkish Airlines direct
30 May - 04 Jun Air France
20 May - 17 Jun British Airways direct
20 May - 21 Jun British Airways direct
10 May - 08 Jun Lufthansa

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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