Cheapest return flights from London to Istanbul in December from 171€

AirHint found the following cheapest return flights from London (LHR) to Istanbul (IST) in December 2026 (see full year).

Return flights

06 Dec - 12 Dec KLM
04 Dec - 07 Dec KLM
05 Dec - 09 Dec KLM
04 Dec - 07 Dec British Airways direct
07 Dec - 21 Dec British Airways direct
01 Dec - 08 Dec British Airways direct
06 Dec - 12 Dec British Airways direct
07 Dec - 12 Dec British Airways direct
02 Dec - 09 Dec KLM
31 Dec - 04 Jan KLM
05 Dec - 09 Dec British Airways direct
31 Dec - 08 Jan KLM
31 Dec - 09 Jan KLM
31 Dec - 21 Jan British Airways direct
28 Dec - 21 Jan British Airways direct
29 Dec - 21 Jan British Airways direct
31 Dec - 07 Jan British Airways direct
30 Dec - 07 Jan British Airways direct
26 Dec - 21 Jan British Airways direct
30 Dec - 21 Jan British Airways direct

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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