Cheapest return flights from London to Istanbul in September from $88

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

Return flights

30 Sep - 30 Sep AJet direct
18 Sep - 18 Sep AJet direct
28 Sep - 30 Sep AJet direct
22 Sep - 22 Sep AJet direct
22 Sep - 23 Sep AJet direct
23 Sep - 25 Sep AJet direct
19 Sep - 20 Sep AJet direct
16 Sep - 18 Sep AJet direct
24 Sep - 26 Sep AJet direct
27 Sep - 27 Sep AJet direct
30 Sep - 02 Oct AJet direct
30 Sep - 07 Oct AJet direct
21 Sep - 02 Oct AJet direct
22 Sep - 02 Oct AJet direct
26 Sep - 05 Oct AJet direct
26 Sep - 01 Oct AJet direct
27 Sep - 05 Oct AJet direct
19 Sep - 03 Oct AJet direct
27 Sep - 07 Oct AJet direct
19 Sep - 05 Oct AJet direct

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

Cheap car rent in Istanbul

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