Flight route
Cheap flights from London to Istanbul.
The fastest, cheapest way to fly from London (LHR) to Istanbul (IST). Non-stop fares from €195, average flight time around 3h 40m. Watch the route and we'll notify you when fares drop.
Duration
3h 40m
Distance
2,540 km
Fare from
€195
Airlines
2
How to book London to Istanbul flights cheap
The London–Istanbul route is approximately 2,540 km — typical non-stop flight time 3h 40m. Multiple carriers operate the corridor, with frequencies ranging from a couple of times a week up to several daily rotations on the heaviest lanes.
Fares start around €195 on the cheapest day of the week — usually Tuesday or Wednesday for European routes. Book 5–8 weeks out for the best chance of catching a fare floor.
FrogSky compares 1,200+ airlines without markup. Set a watch on this route and we'll notify you the moment fares drop below your target.
Airlines on this route
- Turkish Airlines
- British Airways
Booking tips
- Departures from London are cheapest Tue–Wed; Friday/Sunday flights are routinely 20–30% pricier.
- Pre-06:00 morning departures are typically the cheapest slot of the day on long-haul routes.
- Check whether your fare lands at Istanbul's main hub or a secondary airport — the cab/transfer cost can erase your savings.
- Set a FrogSky price watch and we'll email you when the fare dips into your target band.