Cheap flights from London to Istanbul
Istanbul is one of the easiest long-weekend escapes from London – four hours to a city that straddles two continents, with bazaars, mosques and Bosphorus ferries on the doorstep.
Lowest recent price found. Prices change – always check the final price before booking.
Cheapest vs typical fare
Recent return fares from London to Istanbul. The gap is what comparing can save you.
“Typical” is the middle price among recent fares we found for this route. Prices change constantly and are not guaranteed.
Airlines on this route
Turkish Airlines, British Airways, Pegasus and AJet fly between London and Istanbul. We compare them side by side with hundreds of travel sites, so you can see the cheapest option in one search.
Money-saving tip
Check which airport your flight uses. Sabiha Gökçen (SAW) fares can be cheaper, but it is further from the old town than Istanbul Airport (IST) for many visitors.
Cheapest days to fly from London to Istanbul
Day-by-day one-way prices from London. Green days are cheapest. Tap a day to search that date.
Best time to visit Istanbul
Spring (April–May) and autumn (September–October) bring mild weather and smaller crowds. Summer is hot and busy, while winter fares are often lower.
Before you travel, check the latest entry requirements and advice for Türkiye on GOV.UK foreign travel advice.
London to Istanbul flights: your questions
How long is the flight from London to Istanbul?
Direct flights from London to Istanbul take about 4 hours. Journeys with a stop take longer, depending on the connection.
Which airports serve London to Istanbul flights?
In London, flights to Istanbul leave from Heathrow, Gatwick, Stansted and Luton. In Istanbul, you arrive at Istanbul Airport (IST) on the European side and Sabiha Gökçen (SAW) on the Asian side.
Which airlines fly from London to Istanbul?
Turkish Airlines, British Airways, Pegasus and AJet all fly this route. We compare them alongside hundreds of travel sites, so you can see every option in one search.
When is the cheapest time to fly to Istanbul?
It changes from year to year. The price calendar on this page shows the lowest recent one-way fare from London for each day, so you can spot the cheapest dates to go.
What is the time difference between London and Istanbul?
Istanbul is 2–3 hours ahead of the UK.
Ready to find your fare?
Compare hundreds of airlines and travel sites for London to Istanbul in one search.
Compare London → Istanbul flights →