Cheapest return flights from Islamabad to London in April from $688

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

Return flights

23 Apr - 30 Apr Turkish Airlines
29 Apr - 06 May Turkish Airlines
29 Apr - 08 May Turkish Airlines
22 Apr - 29 Apr Turkish Airlines
23 Apr - 07 May Turkish Airlines
24 Apr - 08 May Turkish Airlines
26 Apr - 29 Apr Turkish Airlines
21 Apr - 28 Apr Turkish Airlines
20 Apr - 15 May Turkish Airlines
04 Apr - 02 May Turkish Airlines
24 Apr - 01 May Turkish Airlines
24 Apr - 22 May Turkish Airlines
26 Apr - 10 May Etihad Airways
03 Apr - 10 Apr Turkish Airlines
28 Apr - 01 May Turkish Airlines
03 Apr - 10 Apr PIA direct
01 Apr - 08 Apr Turkish Airlines
02 Apr - 09 Apr Turkish Airlines
20 Apr - 27 Apr Turkish Airlines
04 Apr - 24 Apr Turkish Airlines

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

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