Cheapflights Tip: The best prices from London to Istanbul are usually found in January or November, booked 69 days in advance, depart on a Tuesday or Monday and return on a Wednesday
Find flight deals from London to Istanbul
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Istanbul (TR5). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 September 2026.
Popular in
August
Cheapest in
January
Average price
£129
Highest demand for flights based on searches. 23% potential increase in price (£38 potential increase over avg. return price).
Best time to book a flight from London to Istanbul
Have a flexible travel schedule? Discover the best time to fly to Istanbul from London with our price prediction graph.
LON-TR5
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London to Istanbul
Prices
Airlines
Delays
How far ahead should I book a flight from London to Istanbul?
The price you pay for your flight from London to Istanbul may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from London to Istanbul?
Currently, January is the cheapest month in which you can book a flight from London to Istanbul (average of £123). Flying from London to Istanbul in August is currently the most expensive (average of £282). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LON to IST?
Find hourly flight availability from London to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 September 2026.
When flying from London to Istanbul, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 34% versus a flight in the afternoon.
What is the cheapest day to fly from London to Istanbul?
Use this chart to determine the cheapest time to fly return from London to Istanbul. Price data was last updated on 26 September 2026.
Travellers seeking maximum savings on their London to Istanbul flight should consider departing on Friday at midday when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from London to Istanbul
Explore weekly flight availability from London to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 September 2026.
The most flights from LON to TR5 are scheduled on a Tuesday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).
How often are flights from London to Istanbul delayed?
About 12% of weekly flights between London and Istanbul have experienced delays in the past year, with the average delay time being 123 minutes.
What is the most punctual flight time for London to Istanbul flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Istanbul flights?
Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.
Reviews of airlines servicing Istanbul
Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated 30 September 2026.
Get a feel of what it's like to fly with Turkish Airlines,British Airways, andPegasus Airlines from London to Istanbul by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
I was in business class on this airplane for a 12 hour flight from Seattle to Istanbul. It was about the smoothest in the most luxurious flight. I think I have ever been on. The staff were excellent and extremely patient which I really appreciate it. Given the opportunity, I will certainly choose Turkish Airlines in the future. Job well done, hope to see you again in the future
I was in business class on this airplane for a 12 hour flight from Seattle to Istanbul. It was about the smoothest in the most luxurious flight. I think I have ever been on. The staff were excellent and extremely patient which I really appreciate it. Given the opportunity, I will certainly choose Turkish Airlines in the future. Job well done, hope to see you again in the future
I was in business class on this airplane for a 12 hour flight from Seattle to Istanbul. It was about the smoothest in the most luxurious flight. I think I have ever been on. The staff were excellent and extremely patient which I really appreciate it. Given the opportunity, I will certainly choose Turkish Airlines in the future. Job well done, hope to see you again in the future
I was in business class on this airplane for a 12 hour flight from Seattle to Istanbul. It was about the smoothest in the most luxurious flight. I think I have ever been on. The staff were excellent and extremely patient which I really appreciate it. Given the opportunity, I will certainly choose Turkish Airlines in the future. Job well done, hope to see you again in the future
I was in business class on this airplane for a 12 hour flight from Seattle to Istanbul. It was about the smoothest in the most luxurious flight. I think I have ever been on. The staff were excellent and extremely patient which I really appreciate it. Given the opportunity, I will certainly choose Turkish Airlines in the future. Job well done, hope to see you again in the future
Related info for your journey
Find useful and relevant information for your journey from London to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What are the cheapest airlines flying from London to Istanbul round-trip?
Ajet, at £38, was found to be the cheapest airline from London to Istanbul.Alternate airlines flying return to your destination include Wizz Air and Pegasus Airlines. Users have found that Ajet is 77% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from London to Istanbul one-way?
For one-way options, check prices for Wizz Air. According to our data, you can fly for as low as £23. Users have also found prices from £38 and £38 on Pegasus Airlines and Ajet, respectively.
What are the most popular routes from London to Istanbul?
Most travelers choose London Gatwick - Istanbul, London Stansted - Istanbul or London Heathrow - Istanbul when deciding on the best route from London to Istanbul.
What are the most reliable airlines from London to Istanbul?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Istanbul on time: Icelandair (87%), British Airways (84%), American Airlines (84%).
What are the cheapest flights from London to Istanbul?
Looking at all options, your cheapest flight can be booked for £130. While the most popular route (London Gatwick - Istanbul) can be booked for £25 on average, our data indicates £1,285 when flying from London to Istanbul.
Can I find deals for business class flights from London to Istanbul?
Yes. Cheapflights offers flight deals from London to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to Istanbul?
Currently, January is the cheapest month in which you can book a flight from London to Istanbul (average of £123). Flying from London to Istanbul in August is currently the most expensive (average of £282). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What are the most eco-friendly airlines from London to Istanbul?
Turkish Airlines offer direct flights for this route to Istanbul from London and thereby promote sustainable travel. Booking a direct flight to cover the short four-hour trip is the best way to contribute to eco-friendly flying. You will be making an eco-conscious choice by booking with this airline as they are Turkey's leading environmental carriers. Their contribution starts on the ground. The airline has developed a program that recycles and replenishes soil in the aircraft maintenance and repair sector. This program turns their waste into useable farming material that is non-hazardous. The airline also runs community programs that teach the local people how to live and work more sustainably.
How can I fly more sustainably from London to Istanbul?
Turkish Airlines does have the option of green aeroplanes in its fleet, the best way to make sure your flight is making use of those aircraft is to untick all other planes on the "Aircraft" filter tab of the Cheapflights website. Select the Airbus A320neo, A350-900 or the Boeing 787-9 crafts which are newer more fuel-efficient aircrafts, reducing your carbon footprint by at least 25%. Booking an economy class ticket also helps reduce your personal carbon footprint by 50%, and Turkish Airlines have a world-class economy class standard for their flights. They offer free meals, on board entertainment and comfortable seats, meaning you will not be compromising on luxury by booking an economy class ticket with this airline. Remember to pack your own earphones and take them off the aeroplane with you to continue using to further reduce your contribution to unnecessary waste on board.
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Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 30 September 2026.
Discover the top 10 airlines that operate flights from London to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 30 September 2026.
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How does Cheapflights help users find flights from London to Istanbul?
Cheapflights makes it easy to find London to Istanbul flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from London to Istanbul?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Istanbul from London.
Can Cheapflights find flights from London to Istanbul with no change fees?
Certainly. Search results for flights to Istanbul from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from London to Istanbul become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Istanbul from London today and book when prices fit your budget.
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