Cheapest return flights from Istanbul to London in September from $145

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

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

Return flights

25 Sep - 26 Sep Wizz Air UK direct
25 Sep - 07 Oct Wizz Air UK direct
26 Sep - 28 Sep Wizz Air UK direct
25 Sep - 29 Sep Wizz Air UK direct
26 Sep - 07 Oct Wizz Air UK direct
25 Sep - 05 Oct Wizz Air UK direct
25 Sep - 27 Sep Wizz Air UK direct
25 Sep - 12 Oct Wizz Air UK direct
25 Sep - 08 Oct Wizz Air UK direct
30 Sep - 07 Oct Wizz Air UK direct
25 Sep - 06 Oct Wizz Air UK direct
23 Sep - 28 Sep Wizz Air UK direct
23 Sep - 24 Sep Wizz Air UK direct
26 Sep - 29 Sep Wizz Air UK direct
26 Sep - 05 Oct Wizz Air UK direct
23 Sep - 26 Sep Wizz Air UK direct
23 Sep - 07 Oct Wizz Air UK direct
29 Sep - 07 Oct Wizz Air UK direct
26 Sep - 27 Sep Wizz Air UK direct
18 Sep - 28 Sep Wizz Air UK direct

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

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 London

Cheap car rent in London