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London to Istanbul flights
One-way from $158 for the next 12 departure dates (cheapest Nov 23). Nonstop London to Istanbul takes about 3h 45m. Compare cached fares, then open prefilled OTA searches.
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How it works
Route tip
Istanbul is a major connection hub, so one-stop onward fares can undercut Europe nonstops. Sabiha Gökçen (SAW) is the low-cost alternative.
When it is cheaper
January–March and November are cheapest; July–August is peak.
FAQ
How long is the flight from London to Istanbul?
A nonstop flight takes about 3h 45m, covering roughly 2,488 km. Actual block time varies by airline, aircraft and winds, so check the specific schedule before booking.
When are London to Istanbul flights cheapest?
The lowest cached one-way fare across the next 12 departure dates is $158 (departing Nov 23). January–March and November are cheapest; July–August is peak.
Which airports should I compare?
Departure: LHR (Heathrow); also check LGW, STN, LTN. Arrival: IST (Istanbul Airport); also check SAW.
Are the prices on this page live?
No. The page and fare calendar use cached reference fares that can be delayed or change at any time. The booking site is the source of truth.
Can I book directly on this site?
No. We only prefill the search. Clicking through opens a third-party site where you confirm live prices and complete the booking.
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Page updated 2026-11-11