Cheapest return flights from London to Istanbul in May from 184€

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

Return flights

04 May - 12 May Air France
04 May - 17 May Air France
04 May - 12 May British Airways direct
09 May - 12 May British Airways direct
04 May - 25 May Air France
07 May - 11 May Air France
11 May - 17 May Air France
13 May - 17 May Air France
11 May - 18 May Air France
06 May - 16 May British Airways direct
11 May - 17 Jun British Airways direct
26 May - 03 Jun LOT
26 May - 02 Jun LOT
27 May - 01 Jun LOT
26 May - 03 Jun Turkish Airlines direct
26 May - 02 Jun Turkish Airlines direct
27 May - 01 Jun Turkish Airlines direct

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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