London (LGW) to Islamabad (ISB): 3,754 miles (6,041 km) great-circle, about 8h 00m nonstop by our estimate. Cheapest fare observed: $1168 round-trip on Azerbaijan Airlines, with 1 stop, departing April 26, 2026.
$1168 round-trip, Azerbaijan Airlines J2108, departing 2026-04-26 at 11:25, returning 2026-05-01. The recorded itinerary left on a Sunday, returning on a Friday 5 nights later; the fare was observed 1 day before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1168, it ranked 30th of the 30 round-trip fares we recorded from LGW (median $463). That is 31.1 cents per great-circle mile (round-trip price over one-way distance), above the LGW median of 18.3 cents across 30 round-trip routes.
Routes from LGW of similar length: Almaty (3,492 mi) at $567 and New York (3,461 mi) at $707.
Azerbaijan Airlines had the cheapest fare on 2 of 30 LGW routes. It is the 4th longest of the 30 routes we track from LGW.
Of 7 departure airports with a fare to Islamabad, London (LGW) ranked 7th at $1168. Lowest: $327 from Abu Dhabi (AUH); highest: $1168 from London (LGW); 0 nonstop. Cheapest-fare airlines (routes): Saudia (3), Air Arabia (1), Azerbaijan Airlines (1), Etihad (1) and Pegasus Airlines (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/London, Asia/Karachi; flight time is our estimate.