$121+ Cheap flights from Heathrow (LHR) to Istanbul (IST)
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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Heathrow to Istanbul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from London Heathrow to Istanbul are usually found in November or January, booked 33 days in advance, depart on a Sunday or Thursday and return on a Monday
Cheap flight deals from Heathrow to Istanbul
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to IstanbulExplore 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 August 14, 2026.
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 August 14, 2026.
This deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:35 pm -
Nonstop3h 50m
Mon 10/128:15 pm -
Nonstop4h 00m
Deal found 8/14![British Airways logo]()
$205
This Booking.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:50 pm -
1 stop6h 15m
Tue 9/293:45 am -
1 stop6h 30m
Deal found 8/12![Lufthansa logo]()
$211
This KLM deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:30 am -
1 stop7h 25m
Thu 2/47:15 am -
1 stop9h 30m
Deal found 8/12![Multiple Airlines logo]()
$213
This KLM deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:30 am -
1 stop7h 25m
Thu 12/105:55 pm -
1 stop5h 55m
Deal found 8/10![KLM logo]()
$215
This Expedia deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:40 pm -
Nonstop3h 55m
Wed 12/26:45 pm -
Nonstop4h 15m
Deal found 8/10![British Airways logo]()
$217
This Lufthansa deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:50 pm -
1 stop6h 15m
Wed 10/143:45 am -
1 stop13h 55m
Deal found 8/13![Lufthansa logo]()
$218
This British Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:10 pm -
Nonstop3h 55m
Tue 12/157:40 am -
Nonstop4h 25m
Deal found 8/12![British Airways logo]()
$220
This Air France deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:55 am -
1 stop6h 00m
Fri 12/45:55 pm -
1 stop5h 55m
Deal found 8/11![Multiple Airlines logo]()
$221
This Air France deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:45 pm -
1 stop8h 35m
Wed 10/74:25 am -
1 stop11h 20m
Deal found 8/11![Multiple Airlines logo]()
$222
This Travelocity deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:15 pm -
Nonstop3h 55m
Wed 12/27:35 am -
Nonstop4h 30m
Deal found 8/10![British Airways logo]()
$223
This British Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:05 pm -
Nonstop3h 55m
Mon 11/303:25 pm -
Nonstop4h 15m
Deal found 8/12![British Airways logo]()
$224
This oojo deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:20 pm -
1 stop20h 15m
Mon 11/306:30 pm -
1 stop25h 50m
Deal found 8/11![LOT logo]()
$225
Best flights from Heathrow to IstanbulDiscover carefully curated flight deals from Heathrow to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Heathrow to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This KLM deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
1 stop7h 25m
Wed 12/27:15 am -
1 stop9h 30m
Deal found 8/10![Multiple Airlines logo]()
$222
This British Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 am -
Nonstop3h 55m
Mon 11/303:25 pm -
Nonstop4h 15m
Deal found 8/13![British Airways logo]()
$224
This British Airways deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:15 pm -
Nonstop3h 55m
Fri 11/278:10 am -
Nonstop4h 30m
Deal found 8/10![British Airways logo]()
$235
This British Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/56:15 pm -
Nonstop3h 55m
Sat 2/137:40 am -
Nonstop4h 25m
Deal found 8/13![British Airways logo]()
$246
This British Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:15 pm -
Nonstop3h 50m
Wed 10/147:25 pm -
Nonstop4h 00m
Deal found 8/12![British Airways logo]()
$250
This British Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:15 pm -
Nonstop3h 50m
Sat 10/37:55 pm -
Nonstop4h 00m
Deal found 8/13![British Airways logo]()
$250
This British Airways deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:40 am -
Nonstop3h 55m
Wed 12/162:45 pm -
Nonstop4h 25m
Deal found 8/9![British Airways logo]()
$258
This British Airways deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:05 pm -
Nonstop3h 55m
Mon 11/166:30 pm -
Nonstop4h 10m
Deal found 8/11![British Airways logo]()
$262
Last-minute flights from Heathrow to IstanbulDiscover last-minute flight deals from Heathrow to Istanbul. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Istanbul. Data last updated August 14, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:35 pm -
1 stop7h 55m
Thu 9/245:20 pm -
1 stop5h 35m
Deal found 8/11![Multiple Airlines logo]()
$233
This KLM deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:10 pm -
1 stop6h 10m
Thu 9/245:20 pm -
1 stop5h 35m
Deal found 8/11![KLM logo]()
$228
This Expedia deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:15 pm -
Nonstop3h 50m
Tue 9/227:55 pm -
Nonstop4h 00m
Deal found 8/11![British Airways logo]()
$231
This Travelocity deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:25 am -
1 stop16h 40m
Wed 9/163:45 am -
1 stop6h 30m
Deal found 8/10![Lufthansa logo]()
$232
This Air France deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:40 am -
1 stop14h 40m
Wed 9/165:20 pm -
1 stop5h 35m
Deal found 8/10![KLM logo]()
$227
This Travelocity deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:55 am -
1 stop17h 10m
Wed 9/163:45 am -
1 stop6h 30m
Deal found 8/12![Lufthansa logo]()
$234
This Booking.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:50 pm -
1 stop6h 15m
Tue 9/293:45 am -
1 stop6h 30m
Deal found 8/12![Lufthansa logo]()
$211
This Lufthansa deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:50 pm -
1 stop6h 15m
Wed 9/235:50 pm -
1 stop6h 20m
Deal found 8/10![Lufthansa logo]()
$236
This Lufthansa deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:50 pm -
1 stop6h 15m
Wed 10/143:45 am -
1 stop13h 55m
Deal found 8/13![Lufthansa logo]()
$218
This British Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:15 am -
Nonstop3h 55m
Wed 10/147:25 pm -
Nonstop4h 00m
Deal found 8/13![British Airways logo]()
$237
This KLM deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:30 am -
1 stop7h 50m
Thu 9/245:20 pm -
1 stop5h 35m
Deal found 8/9![KLM logo]()
$238
This Air France deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:45 pm -
1 stop8h 35m
Wed 10/74:25 am -
1 stop11h 20m
Deal found 8/11![Multiple Airlines logo]()
$222
One-way flights from Heathrow to IstanbulSearch for one-way flight options from Heathrow to Istanbul. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Heathrow to Istanbul. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:35 pm -
Nonstop3h 50m
Deal found 8/11![British Airways logo]()
$121
This Transavia Smart Connect deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:00 pm -
1 stop7h 05m
Deal found 8/12![Multiple Airlines logo]()
$124
This KLM deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
1 stop7h 25m
Deal found 8/10![KLM logo]()
$127
This KLM deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/96:30 am -
1 stop7h 25m
Deal found 8/12![KLM logo]()
$128
This Transavia Smart Connect deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:00 pm -
1 stop7h 05m
Deal found 8/10![Multiple Airlines logo]()
$130
This Transavia Smart Connect deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:00 pm -
1 stop10h 10m
Deal found 8/12![Multiple Airlines logo]()
$132
This Transavia Smart Connect deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:00 pm -
1 stop7h 05m
Deal found 8/12![Multiple Airlines logo]()
$133
This KLM deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:10 pm -
1 stop6h 10m
Deal found 8/10![KLM logo]()
$134
This KLM deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:10 pm -
1 stop6h 10m
Deal found 8/11![KLM logo]()
$135
This Transavia Smart Connect deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:00 pm -
1 stop10h 05m
Deal found 8/12![Multiple Airlines logo]()
$138
This Air France deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/106:20 am -
1 stop8h 25m
Deal found 8/11![Air France logo]()
$140
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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $205 |
One-way from | $121 |
Popular in | July |
Cheapest in | November |
Average price | $434 |
Good round-trip deal | $516 or less |
Good one-way deal | $261 or less |
Cheapflights Fare Finder
Customize 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 2,558,603 searches. Data last updated August 14, 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
Cheapest round-trip
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Sun 11/8
6:30 am-4:55 pm
1 stop7h 25m
Istanbul
Wed 12/2
7:15 am-1:45 pm
1 stop9h 30m
$222
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Wed 11/25
7:00 am-1:55 pm
Nonstop3h 55m
Istanbul
Mon 11/30
3:25 pm-4:40 pm
Nonstop4h 15m
$224
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Fri 11/20
6:15 pm-1:10 am
Nonstop3h 55m
Istanbul
Fri 11/27
8:10 am-9:40 am
Nonstop4h 30m
$235
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Fri 2/5
6:15 pm-1:10 am
Nonstop3h 55m
Istanbul
Sat 2/13
7:40 am-9:05 am
Nonstop4h 25m
$246
Quickest round-trip
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Wed 10/7
7:15 pm-1:05 am
Nonstop3h 50m
Istanbul
Wed 10/14
7:25 pm-9:25 pm
Nonstop4h 00m
$250
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Wed 9/30
7:15 pm-1:05 am
Nonstop3h 50m
Istanbul
Sat 10/3
7:55 pm-9:55 pm
Nonstop4h 00m
$250
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Thu 12/10
6:40 am-1:35 pm
Nonstop3h 55m
Istanbul
Wed 12/16
2:45 pm-4:10 pm
Nonstop4h 25m
$258
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Wed 11/11
6:05 pm-1:00 am
Nonstop3h 55m
Istanbul
Mon 11/16
6:30 pm-7:40 pm
Nonstop4h 10m
$262
Cheapest one-way
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Sat 9/26
8:40 am-4:20 pm
1 stop5h 40m
$134
LondonIstanbul
LHR London Heathrow - IST Istanbul
LHRIST
London Heathrow
Wed 10/7
2:45 pm-1:20 am
1 stop8h 35m
$134
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Heathrow to Istanbul
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Istanbul in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Istanbul Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Istanbul Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Istanbul Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Istanbul Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 round-trip 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 $246). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of $467). 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 August 14, 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 morning. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.
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 last year, Turkish Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.
What’s the top layover airport for flights from London Heathrow Airport to Istanbul Airport?
Share of 1-stop round-trip flights from London Heathrow Airport to Istanbul Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Paris (CDG) – chosen by Cheapflights users on 67% of 1-stop itineraries from London Heathrow Airport to Istanbul Airport on Cheapflights.
What’s the cheapest layover airport for flights from London Heathrow Airport to Istanbul Airport?
Average round-trip fare for 1-stop flights from London Heathrow Airport to Istanbul Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Paris (CDG) is the most affordable 1-stop option, with an average round-trip price of $212.
What’s the fastest layover option from London Heathrow Airport to Istanbul Airport?
Shortest average travel time for 1-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 layover airport.
Flights via Munich (MUC) have the shortest average one-way travel time for 1-stop routes: 6h 15m.
Which airport typically offers the quickest layover for flights from London Heathrow Airport to Istanbul Airport?
Average layover duration for 1-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 Munich (MUC) offer the fastest connection on this route, with an average layover time of 1h 38m.
The best insider tips for London Heathrow Airport to Istanbul Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Istanbul Airport trip
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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 August 14, 2026.
Read reviews from past customers who have flown Turkish Airlines,Lufthansa, andBritish Airways from London Heathrow Airport to Istanbul Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Crew
7.8
Entertainment
7.5
Boarding
7.3
Overall
7.4
Food
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
KRK - IST
Comfort
7.3
Crew
7.8
Entertainment
7.5
Boarding
7.3
Overall
7.4
Food
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
KRK - IST
Comfort
7.3
Crew
7.8
Entertainment
7.5
Boarding
7.3
Overall
7.4
Food
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
KRK - IST
Comfort
7.3
Crew
7.8
Entertainment
7.5
Boarding
7.3
Overall
7.4
Food
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
KRK - IST
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.
Traveling to a place near Istanbul Airport?
Book flights to Istanbul Airport if you plan to visit one of these locationsYalova
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Other flights to Istanbul
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Top 3 airlines flying from Heathrow to Istanbul
Discover the top 3 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 2,558,603 searches. Data last updated August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$213 | Average$296 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$218 | Average$326 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$268 | Average$426 | FlexibilityNo cancel fee | On-time76% |