Cheap flights from London Heathrow Airport to Istanbul Airport from £81
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
23 Sep — 30 Sep1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Istanbul are usually found in November or January, booked 53 days in advance, depart on a Tuesday or Sunday and return on a Tuesday
Cheap flight deals from Heathrow to Istanbul
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from Heathrow to Istanbul
Explore the most affordable flight options available from Heathrow to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 August 2026.
Mon 28/919:45 -
1 stop5h 45m
Wed 7/1004:25 -
1 stop8h 05m
Deal found 21/8£144
Mon 28/917:10 -
1 stop6h 10m
Wed 7/1004:25 -
1 stop11h 20m
Deal found 24/8£147
Fri 27/1120:25 -
1 stop17h 30m
Wed 2/1207:15 -
1 stop14h 05m
Deal found 21/8£154
Thu 8/1017:50 -
1 stop6h 15m
Wed 14/1003:45 -
1 stop6h 30m
Deal found 20/8£155
Sat 10/1017:50 -
1 stop6h 15m
Wed 14/1003:45 -
1 stop6h 30m
Deal found 21/8£155
Wed 2/1217:50 -
1 stop6h 00m
Sun 6/1204:30 -
1 stop6h 35m
Deal found 21/8£156
Fri 27/1117:50 -
1 stop20h 05m
Mon 30/1108:25 -
Nonstop4h 25m
Deal found 24/8£157
Sat 10/1016:25 -
1 stop7h 40m
Mon 12/1003:45 -
1 stop8h 10m
Deal found 24/8£158
Fri 27/1117:50 -
1 stop20h 05m
Mon 30/1117:55 -
1 stop5h 55m
Deal found 19/8£158
Fri 27/1120:25 -
1 stop17h 30m
Tue 1/1217:55 -
1 stop5h 55m
Deal found 24/8£160
Sat 3/1017:50 -
1 stop6h 15m
Wed 7/1003:45 -
1 stop16h 40m
Deal found 19/8£160
Best flights from Heathrow to Istanbul
Discover carefully curated flight deals from Heathrow to Istanbul that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.
Thu 8/1013:35 -
1 stop10h 30m
Wed 14/1003:45 -
1 stop13h 55m
Deal found 23/8£173
Fri 13/1118:15 -
Nonstop3h 55m
Fri 20/1118:45 -
Nonstop4h 10m
Deal found 20/8£174
Wed 7/1018:30 -
Nonstop3h 45m
Wed 14/1013:15 -
Nonstop3h 55m
Deal found 23/8£190
Fri 6/1107:30 -
1 stop12h 15m
Fri 13/1119:05 -
1 stop6h 15m
Deal found 21/8£184
Sun 20/922:40 -
Nonstop3h 40m
Wed 30/920:20 -
Nonstop4h 05m
Deal found 22/8£200
Sun 13/919:05 -
Nonstop3h 50m
Mon 21/920:15 -
Nonstop4h 00m
Deal found 23/8£238
Fri 11/918:50 -
Nonstop3h 50m
Mon 14/920:15 -
Nonstop4h 00m
Deal found 20/8£261
Thu 17/918:35 -
Nonstop3h 50m
Sat 19/919:55 -
Nonstop4h 00m
Deal found 23/8£292
Sat 5/918:30 -
Nonstop3h 50m
Sat 12/919:55 -
Nonstop4h 00m
Deal found 23/8£292
Sun 13/919:05 -
Nonstop3h 50m
Fri 18/920:30 -
Nonstop4h 00m
Deal found 23/8£295
Mon 26/1017:55 -
Nonstop3h 55m
Sun 1/1121:25 -
Nonstop4h 10m
Deal found 19/8£298
Direct flights from Heathrow to Istanbul
Explore direct flight options from Heathrow to Istanbul based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 August 2026.
Sat 26/918:30 -
Nonstop3h 50m
Wed 30/919:25 -
Nonstop4h 00m
Deal found 19/8£160
Fri 25/918:50 -
Nonstop3h 50m
Wed 30/919:25 -
Nonstop4h 00m
Deal found 20/8£161
Sun 20/919:05 -
Nonstop3h 50m
Tue 29/917:45 -
Nonstop4h 10m
Deal found 19/8£162
Fri 25/918:50 -
Nonstop3h 50m
Tue 29/917:45 -
Nonstop4h 10m
Deal found 19/8£165
Sun 1/1118:15 -
Nonstop3h 55m
Tue 17/1114:55 -
Nonstop4h 15m
Deal found 22/8£166
Sat 3/1018:30 -
Nonstop3h 50m
Wed 14/1019:25 -
Nonstop4h 00m
Deal found 21/8 £166
Thu 19/1117:30 -
Nonstop3h 55m
Wed 25/1115:00 -
Nonstop4h 15m
Deal found 19/8£168
Sat 3/1018:30 -
Nonstop3h 50m
Sat 17/1019:55 -
Nonstop4h 00m
Deal found 24/8£169
Thu 1/1018:35 -
Nonstop3h 50m
Wed 14/1019:25 -
Nonstop4h 00m
Deal found 23/8£169
Fri 20/1118:15 -
Nonstop3h 55m
Fri 11/1214:55 -
Nonstop4h 15m
Deal found 21/8£170
Sun 22/1118:15 -
Nonstop3h 55m
Sun 13/1221:25 -
Nonstop4h 10m
Deal found 22/8£171
Sat 10/1018:30 -
Nonstop3h 50m
Wed 14/1019:25 -
Nonstop4h 00m
Deal found 20/8£171
Last-minute flights from Heathrow to Istanbul
Discover last-minute flight deals from Heathrow to Istanbul. Data last updated 24 August 2026 and is based on user searches.
Tue 15/909:00 -
1 stop15h 05m
Mon 28/903:45 -
1 stop6h 30m
Deal found 20/8£160
Tue 15/917:10 -
1 stop6h 10m
Wed 18/1117:55 -
1 stop5h 55m
Deal found 20/8£162
Wed 16/911:45 -
1 stop11h 35m
Wed 23/917:20 -
1 stop5h 35m
Deal found 21/8£165
Thu 17/909:55 -
1 stop13h 25m
Thu 8/1004:25 -
1 stop11h 20m
Deal found 20/8£163
Mon 28/919:45 -
1 stop5h 45m
Wed 7/1004:25 -
1 stop8h 05m
Deal found 21/8£144
Mon 28/917:10 -
1 stop6h 10m
Wed 7/1004:25 -
1 stop11h 20m
Deal found 24/8£147
Mon 28/916:25 -
1 stop7h 40m
Mon 5/1003:45 -
1 stop6h 30m
Deal found 23/8£158
Tue 29/917:50 -
1 stop6h 15m
Mon 5/1003:45 -
1 stop6h 30m
Deal found 23/8£157
One-way flights from Heathrow to Istanbul
Search for one-way flight options from Heathrow to Istanbul. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.
Fri 6/1106:30 -
1 stop7h 25m
Deal found 22/8£81
Mon 7/918:35 -
Nonstop3h 50m
Deal found 21/8£82
Fri 2/1018:50 -
Nonstop3h 50m
Deal found 20/8£89
Wed 4/1106:30 -
1 stop7h 25m
Deal found 19/8£92
Thu 8/1015:00 -
1 stop7h 05m
Deal found 24/8£92
Tue 3/1117:50 -
1 stop20h 05m
Deal found 24/8£95
Tue 29/914:45 -
1 stop8h 35m
Deal found 19/8£96
Sat 10/1011:45 -
1 stop11h 35m
Deal found 23/8£97
Tue 6/1009:55 -
1 stop13h 25m
Deal found 21/8£98
Find flight deals from Heathrow to Istanbul
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Istanbul (IST). 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 24 August 2026.
Customise your flight search to find flights from Heathrow to Istanbul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 24 August 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Istanbul Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Thu 8/10
13:35-02:05
1 stop10h 30m
Istanbul
Wed 14/10
03:45-15:40
1 stop13h 55m
£173
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Fri 13/11
18:15-01:10
Nonstop3h 55m
Istanbul
Fri 20/11
18:45-19:55
Nonstop4h 10m
£174
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Fri 6/11
07:30-22:45
1 stop12h 15m
Istanbul
Fri 13/11
19:05-22:20
1 stop6h 15m
£184
Fastest return journey
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Wed 7/10
18:30-00:15
Nonstop3h 45m
Istanbul
Wed 14/10
13:15-15:10
Nonstop3h 55m
£190
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Sun 20/9
22:40-04:20
Nonstop3h 40m
Istanbul
Wed 30/9
20:20-22:25
Nonstop4h 05m
£200
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Sun 13/9
19:05-00:55
Nonstop3h 50m
Istanbul
Mon 21/9
20:15-22:15
Nonstop4h 00m
£238
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Fri 11/9
18:50-00:40
Nonstop3h 50m
Istanbul
Mon 14/9
20:15-22:15
Nonstop4h 00m
£261
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Thu 17/9
18:35-00:25
Nonstop3h 50m
Istanbul
Sat 19/9
19:55-21:55
Nonstop4h 00m
£292
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Sat 5/9
18:30-00:20
Nonstop3h 50m
Istanbul
Sat 12/9
19:55-21:55
Nonstop4h 00m
£292
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Sun 13/9
19:05-00:55
Nonstop3h 50m
Istanbul
Fri 18/9
20:30-22:30
Nonstop4h 00m
£295
Flights are sorted by cheapest return flights first.
Deals found on 20/8
Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Istanbul
Have a flexible travel schedule? Discover the best time to fly to Istanbul from Heathrow with our price prediction graph.
LHR-IST
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 Heathrow Airport to Istanbul Airport
Prices
Airlines
Delays
More
How far ahead should I book a flight from London Heathrow Airport to Istanbul Airport?
Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Istanbul Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from London Heathrow Airport to Istanbul Airport?
Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £181). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of £342). 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 LHR to IST?
Find hourly flight availability from Heathrow 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 24 August 2026.
A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Istanbul Airport in the evening. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.
What is the cheapest day to fly from London Heathrow Airport to Istanbul Airport?
Use this chart to determine the cheapest time to fly return from Heathrow to Istanbul. Price data was last updated on 22 August 2026.
Travellers seeking maximum savings on their London Heathrow Airport to Istanbul Airport flight should consider departing on Friday at midday when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from London Heathrow Airport to Istanbul Airport?
Airfare is below average for this route at the moment.
London Heathrow Airport to Istanbul Airport flights typically cost between £224 and £309 in September.The cheapest return price found within the last 5 days was £144 on Air France (28 Sept–7 Oct).
Weekly flight availability from London Heathrow Airport to Istanbul Airport
Explore weekly flight availability from Heathrow 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 24 August 2026.
The most flights from LHR to IST are scheduled on a Saturday (51 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (23 on average).
How often are flights from London to Istanbul delayed?
About 9% of weekly flights between London and Istanbul have experienced delays in the past year, with the average delay time being 126 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 Wednesday 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.
What’s the top stopover airport for flights from London Heathrow Airport to Istanbul Airport?
Share of one-stop return flights from London Heathrow Airport to Istanbul Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Frankfurt am Main (FRA) – chosen by Cheapflights users on 27% of one-stop itineraries from London Heathrow Airport to Istanbul Airport on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Istanbul Airport?
Average return fare for one-stop flights from London Heathrow Airport to Istanbul Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Belgrade (BEG) is the most affordable one-stop option, with an average return flight price of £184.
What’s the fastest stopover option from London Heathrow Airport to Istanbul Airport?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Istanbul Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Copenhagen (CPH) have the shortest average one-way travel time for one-stop routes: 6h 57m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Istanbul Airport?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Istanbul Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Paris (CDG) offer the fastest connection on this route, with an average stopover time of 1h 41m.
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 24 August 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Istanbul Airport, such as KLM,Turkish Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from London Heathrow Airport to Istanbul Airport?
Lufthansa, British Airways, and Turkish Airlines can get you from London Heathrow Airport to Istanbul Airport in just under 3h 45m. Your travel time can differ by up to 6h 45m. London Heathrow Airport and Istanbul Airport are separated by a distance of 1545 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from London Heathrow Airport to Istanbul Airport round-trip?
Flying on Ajet is currently your cheapest option to Istanbul Airport, with prices starting at £37. Additional return tickets that might be worth considering are offered by Pegasus Airlines and Wizz Air, with the lowest prices starting at £40 and £54, respectively. Ajet is 84% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from London Heathrow Airport to Istanbul Airport one-way?
The cheapest airline one-way is Wizz Air, with whom users have recently found tickets for as low as £31. However, be on the lookout for offers from Ajet and Air Serbia, as they are both options that can get you from London Heathrow Airport to Istanbul Airport for a low price.
What are the most reliable airlines from London Heathrow Airport to Istanbul Airport?
The top 3 most reliable airlines when flying from London Heathrow Airport to Istanbul Airport are Icelandair (85%), British Airways (83%) and American Airlines (81%).
What are the cheapest flights from London Heathrow Airport to Istanbul Airport?
Looking for the cheapest flight from London Heathrow Airport to Istanbul Airport? While on average our users pay £1,293, our data indicates the cheapest price to be £134. The most popular route (London Heathrow - Istanbul), is priced around £162.
Can I find deals for business class flights from Heathrow to Istanbul?
Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Istanbul Airport?
Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £181). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of £342). 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.
Book flights to Istanbul Airport if you plan to visit one of these locations
Yalova
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Fly from Heathrow to Istanbul on these airlines
Choose from the following airlines for your flight from Heathrow to Istanbul. Flights are based on user searches made on Cheapflights and were last updated on 24 August 2026.
Explore flights to Istanbul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 24 August 2026.
Discover the top 10 airlines that operate flights from Heathrow 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 24 August 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Istanbul?
Deals for Heathrow to Istanbul flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Istanbul?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Istanbul for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Heathrow to Istanbul with no change fees?
Yes, we can. To see specific flights from Heathrow to Istanbul with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Heathrow 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 Heathrow today and book when prices fit your budget.
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