Cheapest one-way flights from Islamabad to London in April from $358

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

One-Way flights

29 Apr Qatar Airways
27 Apr Qatar Airways
28 Apr Qatar Airways
25 Apr Qatar Airways
30 Apr PIA
01 Apr PIA direct
22 Apr PIA
03 Apr PIA direct
24 Apr PIA
21 Apr Airblue

Also check the deals for return flights from Islamabad to London in April.

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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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