Cheapest return flights from London to Istanbul in December from $213

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

Return flights

04 Dec - 07 Dec KLM
06 Dec - 13 Dec KLM
04 Dec - 18 Dec KLM
01 Dec - 14 Dec KLM
08 Dec - 15 Dec KLM
09 Dec - 15 Jan KLM
15 Dec - 20 Dec Air France
10 Dec - 26 Dec Air France
11 Dec - 18 Dec Air France
06 Dec - 13 Dec British Airways direct
01 Dec - 14 Dec British Airways direct
09 Dec - 15 Jan British Airways direct
30 Dec - 08 Jan KLM
26 Dec - 13 Jan British Airways direct
29 Dec - 06 Jan Air France
28 Dec - 04 Jan Air France
28 Dec - 01 Jan Air Serbia
19 Dec - 10 Jan British Airways direct
18 Dec - 09 Jan Air France
25 Dec - 01 Jan LOT

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

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