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Cheap flights from Istanbul to London Heathrow Airport from £57

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LHR
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Istanbul to London Heathrow are usually found in December or March, booked 84 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 30 April 2025.

Round-trip from

£148

One-way from

£57

Popular in

August

Cheapest in

December

Average price

£249
British Airways
  • British Airways
  • 4/10-6/10
  • Nonstop
  • 7h 50m total
  • Istanbul to London
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British Airways
  • British Airways
  • 14/5
  • Nonstop
  • 4h 05m total
  • Istanbul to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Istanbul to Heathrow

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 30 April 2025.

Sat 6/1214:55IST - LHR
Nonstop4h 25mBritish Airways
Thu 11/1217:30LHR - IST
Nonstop4h 00mBritish Airways
Deal found 28/4£133
Tue 10/620:30IST - LHR
Nonstop3h 55mTurkish Airlines
Fri 13/606:30LHR - IST
Nonstop3h 55mTurkish Airlines
Deal found 28/4£149
Thu 8/516:10SAW - LHR
Nonstop4h 05mBritish Airways
Mon 12/507:55LHR - SAW
Nonstop3h 55mBritish Airways
Deal found 29/4£165
Wed 14/516:15SAW - LHR
Nonstop4h 05mMultiple Airlines
Thu 15/508:50LHR - SAW
1 stop6h 40mMultiple Airlines
Deal found 29/4£169
Sat 7/608:25IST - LHR
Nonstop4h 10mMultiple Airlines
Tue 10/622:15LHR - IST
1 stop26h 05mMultiple Airlines
Deal found 28/4£177
Thu 12/616:35IST - LHR
1 stop21h 55mAir Serbia
Wed 18/613:30LHR - IST
1 stop12h 00mAir Serbia
Deal found 29/4£179
Tue 17/614:00IST - LHR
1 stop6h 40mLufthansa
Wed 25/609:30LHR - IST
1 stop9h 50mLufthansa
Deal found 28/4£198
Thu 22/507:00IST - LHR
1 stop17h 00mLOT
Thu 29/518:10LHR - IST
1 stop16h 55mLOT
Deal found 29/4£227
Tue 6/504:20IST - LHR
1 stop19h 05mAir France
Thu 29/519:45LHR - IST
1 stop5h 40mAir France
Deal found 29/4£239
Sun 6/712:40SAW - LHR
1 stop10h 15mKLM
Sun 28/908:40LHR - SAW
1 stop6h 30mKLM
Deal found 29/4£382

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 30 April 2025.
Use the filters below to find and compare flights from Istanbul to London Heathrow Airport that are best for you.

Fly from

Istanbul

Fly to

Heathrow

Route

Depart

Return

Price

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 4/10

19:50-21:50

Nonstop4h 00m

London Heathrow

Mon 6/10

18:35-00:25

Nonstop3h 50m

£148

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 10/6

20:30-22:25

Nonstop3h 55m

London Heathrow

Fri 13/6

06:30-12:25

Nonstop3h 55m

£149

IstanbulLondon

SAW - LHR

SAWLHR

Istanbul Sabiha Gokcen

Wed 14/5

16:15-18:20

Nonstop4h 05m

London Heathrow

Thu 15/5

08:50-17:30

1 stop6h 40m

£169

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 7/6

08:25-10:35

Nonstop4h 10m

London Heathrow

Tue 10/6

22:15-02:20

1 stop26h 05m

£177

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 12/6

16:35-12:30

1 stop21h 55m

London Heathrow

Wed 18/6

13:30-03:30

1 stop12h 00m

£179

IstanbulLondon

SAW - LHR

SAWLHR

Istanbul Sabiha Gokcen

Thu 15/5

16:10-18:15

Nonstop4h 05m

London Heathrow

Mon 19/5

07:55-13:50

Nonstop3h 55m

£182

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 17/6

14:00-18:40

1 stop6h 40m

London Heathrow

Wed 25/6

09:30-21:20

1 stop9h 50m

£198

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 22/5

07:00-22:00

1 stop17h 00m

London Heathrow

Thu 29/5

18:10-13:05

1 stop16h 55m

£227

IstanbulLondon

SAW - LHR

SAWLHR

Istanbul Sabiha Gokcen

Sun 6/7

12:40-20:55

1 stop10h 15m

London Heathrow

Sun 28/9

08:40-17:10

1 stop6h 30m

£382

IstanbulLondon

SAW - LHR

SAWLHR

Istanbul Sabiha Gokcen

Wed 14/5

16:15-18:20

Nonstop4h 05m

£57

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 22 results
1
2
3

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

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

Use this chart to determine the optimal time to book a return flight from Istanbul to Heathrow. Price data was last updated on 25 April 2025.

The price you pay for your flight from Istanbul to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 82 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 Istanbul to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Istanbul to London Heathrow Airport (average of £112). Flying from Istanbul to London Heathrow Airport in August is currently the most expensive (average of £164). 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 30 April 2025.

It’s optimal to fly from Istanbul to London Heathrow Airport in the afternoon. By choosing this option you can save up to 36% 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 30 March 2025.

Travellers seeking maximum savings on their Istanbul to London Heathrow Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday 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 30 April 2025.

The most flights from TR5 to LHR are scheduled on a Monday (52 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (19 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 30 April 2025.
Get a feel of what it's like to fly with Aegean Airlines, KLM and LOT from Istanbul to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Boarding

7.8

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very Good
739 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Boarding

7.8

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,334 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Boarding

7.8

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,069 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Boarding

7.8

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Air France
7.4
Good
1,446 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Boarding

7.8

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Turkish Airlines
7.3
Good
3,788 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Boarding

7.8

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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.

  • 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 £148. Additional return tickets that might be worth considering are offered by Turkish Airlines and Air Serbia, with the lowest prices starting at £149 and £179, respectively. Users have found that British Airways is 29% 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 £57. Aegean Airlines flights start at £76 while deals on Air Serbia start at £77 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 IndiGo (86%), United Airlines (86%) or Air Canada (85%) 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 £394 for a flight from Istanbul to London Heathrow Airport. The cheapest flight overall is £65 while the most popular route, (Istanbul - London Heathrow) is currently priced at £149.

  • 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, January is the cheapest month in which you can book a flight from Istanbul to London Heathrow Airport (average of £112). Flying from Istanbul to London Heathrow Airport in August is currently the most expensive (average of £164). 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?

Book flights to Istanbul if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Swindon
Folkestone
Dartford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Istanbul to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Istanbul to Heathrow

Discover the top 3 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£47Average£109FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
British AirwaysCheapest£119Average£174FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest£182Average£265FlexibilityNo 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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