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Cheap flights from Istanbul to London Heathrow Airport from £55

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LHR
3 Apr — 10 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to London Heathrow are usually found in February or January, booked 84 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap flight deals from Istanbul to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Istanbul to Heathrow
Explore the most affordable flight options available from Istanbul to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 March 2026.

Thu 2/408:15
IST
-
LHR
Nonstop4h 15m
British Airways
Thu 9/406:15
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 3/3£133
Thu 2/417:20
IST
-
LHR
1 stop5h 35m
KLM
Thu 9/417:10
LHR
-
IST
1 stop6h 10m
KLM
Deal found 3/3£142
Mon 30/319:00
IST
-
LHR
Nonstop4h 00m
British Airways
Mon 6/418:35
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 28/2£144
Fri 17/403:45
IST
-
LHR
1 stop6h 30m
Lufthansa
Sat 25/417:50
LHR
-
IST
1 stop6h 15m
Lufthansa
Deal found 3/3£149
Tue 14/403:45
IST
-
LHR
1 stop6h 30m
Lufthansa
Wed 22/416:25
LHR
-
IST
1 stop7h 40m
Lufthansa
Deal found 1/3£151
Tue 31/303:45
IST
-
LHR
1 stop6h 30m
Lufthansa
Wed 15/417:50
LHR
-
IST
1 stop6h 15m
Lufthansa
Deal found 28/2£151
Wed 22/403:45
IST
-
LHR
1 stop6h 30m
Lufthansa
Sat 25/416:25
LHR
-
IST
1 stop7h 40m
Lufthansa
Deal found 3/3£153
Mon 9/318:40
IST
-
LHR
Nonstop4h 15m
British Airways
Wed 18/318:05
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 27/2£154
Mon 4/503:45
IST
-
LHR
1 stop13h 55m
Lufthansa
Tue 12/517:50
LHR
-
IST
1 stop6h 15m
Lufthansa
Deal found 2/3£154
Wed 1/415:45
IST
-
LHR
Nonstop4h 15m
British Airways
Fri 10/406:05
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 3/3£155
Mon 23/304:50
IST
-
LHR
1 stop14h 45m
Multiple Airlines
Mon 6/409:55
LHR
-
IST
1 stop13h 25m
Multiple Airlines
Deal found 28/2£156
Tue 10/311:10
SAW
-
LHR
1 stop8h 50m
Multiple Airlines
Fri 13/306:40
LHR
-
SAW
1 stop9h 50m
Multiple Airlines
Deal found 28/2£181

Find flight deals from Istanbul to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (TR5) to Heathrow (LHR). 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 4 March 2026.

Round-trip from

£133

One-way from

£55

Popular in

July

Cheapest in

February

Average price

£230
British Airways
  • British Airways
  • 2/4-9/4
  • Nonstop
  • 8h 10m total
  • Istanbul to London
Search Deals
British Airways
  • British Airways
  • 30/4
  • Nonstop
  • 4h 00m total
  • Istanbul to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Istanbul to Heathrow 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 4 March 2026.
Use the filters below to find and compare flights from Istanbul to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 1/5

03:45-15:40

1 stop13h 55m

London Heathrow

Thu 7/5

17:50-02:05

1 stop6h 15m

£155

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 20/6

19:55-21:55

Nonstop4h 00m

London Heathrow

Fri 26/6

06:05-11:55

Nonstop3h 50m

£162

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 16/4

17:50-22:10

1 stop6h 20m

London Heathrow

Thu 23/4

13:35-02:05

1 stop10h 30m

£163

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 9/5

19:55-21:55

Nonstop4h 00m

London Heathrow

Wed 13/5

19:15-01:05

Nonstop3h 50m

£164

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 8/5

03:45-08:15

1 stop6h 30m

London Heathrow

Wed 13/5

16:25-02:05

1 stop7h 40m

£167

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 3/6

04:30-12:30

1 stop10h 00m

London Heathrow

Sat 13/6

13:30-15:00

1 stop23h 30m

£178

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 3/6

19:25-21:25

Nonstop4h 00m

London Heathrow

Sat 13/6

06:10-12:05

Nonstop3h 55m

£180

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 15/4

08:15-10:30

Nonstop4h 15m

London Heathrow

Wed 22/4

07:55-13:50

Nonstop3h 55m

£193

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 19/6

08:10-10:25

Nonstop4h 15m

London Heathrow

Fri 3/7

06:05-11:55

Nonstop3h 50m

£204

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sun 29/3

17:55-22:10

1 stop6h 15m

London Heathrow

Sun 5/4

07:30-21:15

1 stop11h 45m

£216

Flights are sorted by cheapest return flights first.

Deals found on 3/3

Showing 1-10 of 41 resultsSorted by cheapest first
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Best time to book a flight from Istanbul to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Istanbul 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 Istanbul to London Heathrow Airport

What is the cheapest month to book a flight from Istanbul to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Istanbul to London Heathrow Airport (average of £97). Flying from Istanbul to London Heathrow Airport in July is currently the most expensive (average of £176). 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 IST to LHR?

Find hourly flight availability from Istanbul to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 March 2026.

It’s optimal to fly from Istanbul to London Heathrow Airport in the evening. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Istanbul to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Istanbul to Heathrow. Price data was last updated on 21 February 2026.

Travellers seeking maximum savings on their Istanbul to London Heathrow Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Istanbul to London Heathrow Airport

Explore weekly flight availability from Istanbul to Heathrow. 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 4 March 2026.

The most flights from TR5 to LHR are scheduled on a Monday (42 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (15 on average).

How much does it cost for a return flight from Istanbul to London Heathrow Airport?

How often are flights from Istanbul to London delayed?

About 15% of weekly flights between Istanbul and London have experienced delays in the past year, with the average delay time being 108 minutes.

What is the most punctual flight time for Istanbul to London 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 Istanbul to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 12% of flights being delayed.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 4 March 2026.
Read reviews from past customers who have flown with Turkish Airlines and British Airways from Istanbul to London Heathrow 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.
Turkish Airlines
7.3
Good
4,240 reviews
Check prices

Overall

7.3

Comfort

7.3

Crew

7.8

Entertainment

7.5

Boarding

7.3

Food

7.5

Reviews

1 / 20
8.0
Excellent

Assia,Nov 2025

IST - YUL

Wide chairs, wide screen, possibility to pair our cellphone with the screen. Tasty food.
Turkish Airlines
7.3
Good
4,240 reviews
Turkish Airlines
7.3
Good
4,240 reviews
Check prices

Overall

7.3

Comfort

7.3

Crew

7.8

Entertainment

7.5

Boarding

7.3

Food

7.5

Reviews

1 / 20
8.0
Excellent

Assia,Nov 2025

IST - YUL

Wide chairs, wide screen, possibility to pair our cellphone with the screen. Tasty food.
British Airways
6.7
Okay
7,774 reviews
Turkish Airlines
7.3
Good
4,240 reviews
Check prices

Overall

7.3

Comfort

7.3

Crew

7.8

Entertainment

7.5

Boarding

7.3

Food

7.5

Reviews

1 / 20
8.0
Excellent

Assia,Nov 2025

IST - YUL

Wide chairs, wide screen, possibility to pair our cellphone with the screen. Tasty food.

Related info for your journey

Find useful and relevant information for your journey from Istanbul to Heathrow. 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 Istanbul to London Heathrow Airport?

    Departing from Istanbul to London Heathrow Airport will take you 4h. Airlines will cover a distance of 1545 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Istanbul to London Heathrow Airport round-trip?

    Flying on British Airways is currently your cheapest option to London Heathrow Airport, with prices starting at £150. Another option worth looking into is Turkish Airlines, starting at £194 return. Users have found that British Airways is 34% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Istanbul to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £60. Air Serbia flights start at £82 while deals on Turkish Airlines start at £84 one-way.

  • What are the most reliable airlines from Istanbul to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Istanbul to London Heathrow Airport consider choosing American Airlines (90%), British Airways (86%) or EVA Air (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Istanbul to London Heathrow Airport?

    On average you can expect to pay £218 for a flight from Istanbul to London Heathrow Airport. The cheapest flight overall is £58 while the most popular route, (Istanbul - London Heathrow) is currently priced at £160.

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

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

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

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

  • Can I find deals for business class flights from Istanbul to Heathrow?

    Yes. Cheapflights offers flight deals from Istanbul to Heathrow 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 Istanbul to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Istanbul to London Heathrow Airport (average of £97). Flying from Istanbul to London Heathrow Airport in July is currently the most expensive (average of £176). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Wembley
Northampton
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Chelmsford
Ipswich
Swindon
Bedford

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.

Top 2 airlines flying from Istanbul to Heathrow

Discover the top 2 airlines that operate flights from Istanbul to Heathrow. 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 4 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£150Average£192FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest£194Average£272FlexibilityNo 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 Istanbul to Heathrow?

Cheapflights helps you search for flights from Istanbul to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Istanbul to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Istanbul to Heathrow.

Can Cheapflights find flights from Istanbul to Heathrow with no change fees?

Yes, we can. To see specific flights from Istanbul to Heathrow 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 Istanbul to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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