Cheapest one-way flights from London to Istanbul in December from 113€

AirHint found the following cheapest one-way flights from London (LHR) to Istanbul (IST) in December 2025 (see full year).

One-Way flights

30 Dec Turkish Airlines direct
31 Dec Turkish Airlines direct
28 Dec British Airways direct
29 Dec Turkish Airlines direct
07 Dec Aegean Airlines
26 Dec Eurowings
27 Dec British Airways direct
26 Dec British Airways direct
16 Dec LOT
22 Dec Air Serbia

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

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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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