LHR → IST
Flights from London to Istanbul
London to Istanbul links the UK with the city where Europe meets Asia — a big leisure destination in its own right and a major gateway for onward connections across the Middle East, Central Asia, and Africa. Use Flyroz to compare live fares, then book directly with the airline or travel site — we never add a booking fee.
Cheapest one-way from
Search to see current fares for your dates.
How long is the flight?
Nonstop flights from London Heathrow to Istanbul Airport typically take around 3h 40m to 4h 5m. Exact times vary by aircraft, routing, and conditions.
Airlines flying this route
On the Heathrow–Istanbul Airport pairing, nonstop service is operated by British Airways and Turkish Airlines, with several departures a day between them. (Flights on the wider London–Istanbul city pair also serve Istanbul's Sabiha Gökçen airport and other London airports — check which airports your flight uses.) Schedules can change over time, so check current results for your dates.
Direct vs. connecting flights
This route is well served by nonstop flights — around six departures a day from Heathrow. Connecting itineraries are rarely worthwhile for a flight of this length, though Istanbul itself is a major hub if you're continuing onwards.
Best time to fly & book
Fares tend to be higher in summer and around holidays, and lower midweek and in quieter shoulder periods. Booking ahead and flexible dates usually help.
Frequently asked questions
How long is the flight from London to Istanbul?
Nonstop flights from Heathrow to Istanbul Airport typically take around 3h 40m to 4h 5m. Door-to-door time is longer once airport transfers and check-in are included.
Which airlines fly nonstop from London to Istanbul?
From Heathrow, nonstop service to Istanbul Airport is operated by British Airways and Turkish Airlines; other London and Istanbul airports add further options. Run a live search to compare fares on your dates.
Are there nonstop flights from London to Istanbul?
Yes — Heathrow to Istanbul Airport has around six nonstop departures a day, with more options across the two cities' other airports.
When is the cheapest time to fly from London to Istanbul?
Fares are generally higher in summer and around holidays, and lower midweek and in quieter shoulder periods. Flexible dates and booking ahead usually help.
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