Cheapest return flights from London to Istanbul in December from 397€

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

Return flights

31 Dec - 14 Jan KLM
31 Dec - 28 Jan KLM
31 Dec - 12 Jan KLM
31 Dec - 15 Jan KLM
31 Dec - 09 Jan KLM
29 Dec - 15 Jan KLM
30 Dec - 14 Jan KLM
30 Dec - 13 Jan KLM
30 Dec - 31 Jan KLM
29 Dec - 13 Jan KLM
29 Dec - 31 Dec KLM
29 Dec - 30 Dec KLM
28 Dec - 31 Dec SWISS
28 Dec - 29 Dec KLM

Also check the deals for one-way 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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