Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Istanbul Airport from £89

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Istanbul are usually found in January or March, booked 52 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 25 November 2025.

Round-trip from

£140

One-way from

£89

Popular in

July

Cheapest in

January

Average price

£185

Good round-trip deal

£388 or less

Good one-way deal

£231 or less
British Airways
  • British Airways
  • 15/1-31/1
  • 1 total stop
  • 28h 00m total
  • London to Istanbul
Search Deals
Air Serbia
  • Air Serbia
  • 9/1
  • 1 total stop
  • 24h 30m total
  • London to Istanbul
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Istanbul.
Search Deals
Price to beat on a one-way flight from London Heathrow to Istanbul.
Search Deals

Find flight deals from Heathrow to Istanbul

Enter your travel dates to find the best prices.

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 25 November 2025.

Fri 5/1207:00LHR - IST
Nonstop3h 55mBritish Airways
Mon 8/1218:40IST - LHR
Nonstop4h 15mBritish Airways
Deal found 24/11£152
Wed 10/1218:05LHR - IST
Nonstop3h 55mBritish Airways
Mon 15/1218:40IST - LHR
Nonstop4h 15mBritish Airways
Deal found 25/11£153
Sun 7/1218:15LHR - IST
Nonstop3h 55mBritish Airways
Sat 20/1218:40IST - LHR
Nonstop4h 15mBritish Airways
Deal found 23/11£154
Sat 6/1217:40LHR - IST
Nonstop3h 55mBritish Airways
Sat 13/1214:55IST - LHR
Nonstop4h 25mBritish Airways
Deal found 24/11£155
Sat 6/1207:00LHR - IST
Nonstop3h 55mBritish Airways
Mon 8/1218:40IST - LHR
Nonstop4h 15mBritish Airways
Deal found 23/11£157
Wed 10/1218:05LHR - IST
Nonstop3h 55mBritish Airways
Wed 17/1214:45IST - LHR
Nonstop4h 25mBritish Airways
Deal found 23/11£158
Fri 5/1207:00LHR - IST
Nonstop3h 55mBritish Airways
Fri 12/1208:10IST - LHR
Nonstop4h 30mBritish Airways
Deal found 23/11£159
Wed 3/1218:05LHR - IST
Nonstop3h 55mBritish Airways
Thu 18/1214:35IST - LHR
Nonstop4h 25mBritish Airways
Deal found 25/11£160
Fri 5/1207:00LHR - IST
Nonstop3h 55mBritish Airways
Tue 9/1214:55IST - LHR
Nonstop4h 25mBritish Airways
Deal found 24/11£160
Thu 4/1206:40LHR - IST
Nonstop3h 55mBritish Airways
Mon 8/1218:40IST - LHR
Nonstop4h 15mBritish Airways
Deal found 24/11£161
Tue 2/1217:45LHR - IST
Nonstop3h 50mTurkish Airlines
Tue 16/1215:45IST - LHR
Nonstop4h 10mTurkish Airlines
Deal found 23/11£162
Wed 3/1218:05LHR - IST
Nonstop3h 55mBritish Airways
Wed 10/1214:45IST - LHR
Nonstop4h 25mBritish Airways
Deal found 23/11£163

Cheapflights Fare Finder

 
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 858,174 searches. Data last updated 25 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Istanbul Airport that are best for you.

Fly from

Heathrow

Fly to

Istanbul

Route

Depart

Return

Price

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 27/2

18:15-01:10

Nonstop3h 55m

Istanbul

Mon 2/3

08:15-09:45

Nonstop4h 30m

£153

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 7/12

18:15-01:10

Nonstop3h 55m

Istanbul

Mon 22/12

18:40-19:55

Nonstop4h 15m

£154

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 7/12

18:15-01:10

Nonstop3h 55m

Istanbul

Sun 14/12

21:20-22:35

Nonstop4h 15m

£160

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

07:00-13:55

Nonstop3h 55m

Istanbul

Mon 15/12

15:15-16:40

Nonstop4h 25m

£160

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 29/1

13:20-15:55

1 stop23h 35m

Istanbul

Sat 7/2

05:30-12:20

1 stop9h 50m

£166

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 22/4

13:30-15:55

1 stop24h 25m

Istanbul

Thu 30/4

16:35-12:35

1 stop22h 00m

£167

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 16/4

13:30-15:00

1 stop23h 30m

Istanbul

Tue 21/4

04:20-12:35

1 stop10h 15m

£168

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 12/3

17:30-00:25

Nonstop3h 55m

Istanbul

Sat 21/3

18:40-19:55

Nonstop4h 15m

£178

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 13/3

18:15-01:10

Nonstop3h 55m

Istanbul

Mon 16/3

08:15-09:45

Nonstop4h 30m

£178

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 7/1

06:30-16:55

1 stop7h 25m

Istanbul

Sat 17/1

17:55-07:40

1 stop16h 45m

£187

Flights are sorted by cheapest return flights first.

Deals found on 23/11

Showing 1-10 of 22 results
1
2
3

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.
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

How far ahead should I book a flight from London Heathrow Airport to Istanbul Airport?

Use this chart to determine the optimal time to book a return flight from Heathrow to Istanbul. Price data was last updated on 21 November 2025.

Booking 52 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £120). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of £182). 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 25 November 2025.

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 6% 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 2 November 2025.

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.

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 25 November 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Istanbul Airport, such as LOT, Turkish Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.5
Good
1,140 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Boarding

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.5
Good
1,140 reviews
LOT
7.5
Good
1,140 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Boarding

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Turkish Airlines
7.3
Good
4,059 reviews
LOT
7.5
Good
1,140 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Boarding

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Lufthansa
6.8
Okay
7,594 reviews
LOT
7.5
Good
1,140 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Boarding

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
British Airways
6.7
Okay
7,539 reviews
LOT
7.5
Good
1,140 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Boarding

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Wizz Air
6.2
Okay
158 reviews
LOT
7.5
Good
1,140 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Boarding

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

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?

    British Airways can get you from London Heathrow Airport to Istanbul Airport in just under 3h 55m. Your travel time will be generally consistent. London Heathrow Airport and Istanbul Airport are separated by a distance of 1545 mi. All flights are typically direct.

  • 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 £40. Additional return tickets that might be worth considering are offered by Wizz Air and Pegasus Airlines, with the lowest prices starting at £48 and £70, respectively. Ajet is 82% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 (92%), Avianca (88%) and British Airways (82%).

  • 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 £900, our data indicates the cheapest price to be £111. The most popular route (London Heathrow - Istanbul), is priced around £144.

  • Can I find deals for flights from Heathrow to Istanbul that include hotel bookings?

    Yes. In addition to deals on Heathrow to Istanbul flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Istanbul.

  • 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £120). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of £182). 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.

See more FAQs

Travelling to a place near Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
Yalova

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 25 November 2025.
Turkish Airlines flights from London Heathrow to Istanbul
British Airways flights from London Heathrow to Istanbul
LOT flights from London Heathrow to Istanbul

Top 10 airlines flying from Heathrow to Istanbul

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 858,174 searches. Data last updated 25 November 2025.
AirlineCheapestAverageFlexibilityOn-time
AjetCheapest£40Average£138FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Wizz AirCheapest£48Average£122FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Pegasus AirlinesCheapest£70Average£157FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Air SerbiaCheapest£98Average£184FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Aegean AirlinesCheapest£105Average£241FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air FranceCheapest£121Average£165FlexibilityNo cancel feeOn-time77%
Search Air France flights
KM Malta AirlinesCheapest£129Average£195FlexibilityNo cancel feeOn-time86%
Search KM Malta Airlines flights
British AirwaysCheapest£134Average£208FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£158Average£269FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£159Average£236FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.