The contributors of Flight-Report published 3 reviews on 1 airlines on the route London - Gatwick (LGW) → Istanbul - Atatürk (closed) (ISL). The airline with the best average rating is Turkish Airlines with 8.1/10. The average flight time is 3 hours and 55 minutes.
Airlines on this route are:
Frequent travelers recommend "No.1 Traveller No.1 Gatwick" at LGW for comfort and meals/catering.
London has an another airport to go to Istanbul : London - Heathrow (LHR)