Cheapest return flights from London to Istanbul in October from $220

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

Return flights

29 Oct - 07 Nov KLM
29 Oct - 20 Nov KLM
31 Oct - 13 Nov British Airways direct
30 Oct - 07 Nov Air France
29 Oct - 20 Nov British Airways direct
13 Oct - 20 Oct British Airways direct
20 Oct - 13 Nov British Airways direct
20 Oct - 15 Nov British Airways direct
27 Oct - 16 Nov British Airways direct
21 Oct - 20 Nov Air France
21 Oct - 07 Nov Air France
14 Oct - 16 Oct Turkish Airlines direct
12 Oct - 20 Oct British Airways direct
14 Oct - 20 Oct British Airways direct
16 Oct - 20 Oct British Airways direct
15 Oct - 21 Oct Turkish Airlines direct
14 Oct - 23 Oct Turkish Airlines direct
15 Oct - 22 Oct Turkish Airlines direct
15 Oct - 23 Oct Turkish Airlines direct
19 Oct - 21 Oct Air Serbia

Also check the deals for one-way flights from London to Istanbul in October.

Powered by

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.