Cheapest one-way flights from London to Istanbul in January from $91

AirHint found the following cheapest one-way flights from London (LHR) to Istanbul (IST) in January 2026 (see full year).

One-Way flights

28 Jan Air Serbia
29 Jan Air Serbia
16 Jan Air Serbia
15 Jan Air Serbia
22 Jan Air Serbia
26 Jan Air Serbia
18 Jan Air Serbia
24 Jan Air Serbia
17 Jan Air Serbia
21 Jan Air Serbia

Also check the deals for return flights from London to Istanbul in January.

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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.

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