Cheap flights from London to Istanbul
Cheap return flights from London to Istanbul
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Istanbul flight facts
What you need to know
What are the cheapest airlines?
- Pegasus Airlines
- Turkish Airlines
- easyJet
These airlines usually offer the cheapest flights from London to Istanbul.
What airlines fly indirectly?
- Lufthansa
- KLM
- Air France
These airlines fly from London to Istanbul, but you’ll have at least one layover.
How long is the flight?
3 hours 50 minutes
This is the shortest flight time from London to Istanbul.
Alternative flights from the UK to Istanbul
Check out prices for other routes
Alternative flights from London
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London/Istanbul route. There are around 35 flights on any given week from the UK to Istanbul and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London to Istanbul
Tips and advice from our flight experts
You've searched for flights from London to Istanbul. We've found 25 flights and compared them to give you the best offers. Pegasus Airlines is, on average, the cheapest for this route. Look out for them! The cheapest offer we've found is a one-way ticket for the route London to Istanbul on 28/06/2026 at 21:20 for £33.
We've scanned hundreds of airfares from dozens of airlines across the globe. We've found 15 airlines that operate the 2,500 km flight from London to Istanbul.
To find the best offers, book your flight at least 2-3 months in advance. Consider traveling during the shoulder seasons (spring and fall) for better prices. Pegasus Airlines is a popular and budget-friendly option for this route, with an average flight duration of 3 hours 50 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money!
Other popular destinations near Istanbul
Where other people are flying to
