Cheapest return flights from London to Istanbul in May from $173

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

10 May - 12 May British Airways direct
10 May - 17 May British Airways direct
09 May - 12 May British Airways direct
10 May - 16 May British Airways direct
20 May - 20 Jun British Airways direct
20 May - 24 May British Airways direct
19 May - 24 May British Airways direct
19 May - 22 May British Airways direct
20 May - 25 May British Airways direct
10 May - 18 May British Airways direct
09 May - 11 May British Airways direct
28 May - 05 Jun British Airways direct
31 May - 06 Jun British Airways direct
29 May - 05 Jun British Airways direct
27 May - 04 Jun British Airways direct
28 May - 04 Jun British Airways direct
16 May - 04 Jun British Airways direct
31 May - 30 Jun British Airways direct
29 May - 04 Jun British Airways direct
31 May - 03 Jun British Airways 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