Cheapest return ISB–STN flights, December

AirHint found the following cheapest return flights from Islamabad (ISB) to London (STN) in December 2026 (see full year).

Return flights

20 Dec - 04 Jan PIA
30 Dec - 10 Jan Turkish Airlines
23 Dec - 30 Dec Turkish Airlines
31 Dec - 10 Jan Turkish Airlines
22 Dec - 29 Dec Turkish Airlines
03 Dec - 19 Dec Turkish Airlines
31 Dec - 09 Jan Turkish Airlines
04 Dec - 20 Dec Turkish Airlines

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

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