Cheapest return flights from London to Istanbul in May from 155€

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

Return flights

10 May - 24 May British Airways direct
13 May - 20 May British Airways direct
11 May - 18 May British Airways direct
16 May - 23 May British Airways direct
08 May - 12 May British Airways direct
18 May - 22 May British Airways direct
19 May - 22 May British Airways direct
08 May - 13 May British Airways direct
15 May - 22 May British Airways direct
14 May - 19 May British Airways direct
23 May - 06 Jun LOT
29 May - 01 Jun British Airways
28 May - 01 Jun British Airways
30 May - 01 Jun British Airways
30 May - 02 Jun Lufthansa
26 May - 02 Jun Lufthansa
31 May - 02 Jun Lufthansa
30 May - 02 Jun British Airways direct
31 May - 02 Jun British Airways direct
28 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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Feel free to contact us with any feedback or request another flight research.