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$74+ Cheap flights from Istanbul (IST) to Heathrow (LHR)

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LHR
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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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 Friday and return on a Monday

Cheap flight deals from Istanbul to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$198
(British Airways)

One-way from

$74
(British Airways)

Popular in

August

Cheapest in

December

Average price

$215

Good round-trip deal

$550 or less

Good one-way deal

$492 or less
Provider with most accurate pricing for Istanbul-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Istanbul-London Heathrow flights.
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From Istanbul to London Heathrow
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One-way flight from Istanbul to London Heathrow
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Highest demand for flights based on searches. 17% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Istanbul to London Heathrow.
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Price to beat on a one-way flight from Istanbul to London Heathrow.
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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 March 25, 2025.

This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:30 amIST - LHR
Nonstop4h 25mBritish Airways
Fri 12/267:00 amLHR - IST
Nonstop4h 00mBritish Airways
Deal found 3/24$189
This Booking.com deal was found by Cheapflights users on 3/25. 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.
Wed 5/141:45 pmIST - LHR
Nonstop4h 10mTurkish Airlines
Fri 5/306:30 amLHR - IST
Nonstop3h 55mTurkish Airlines
Deal found 3/25$217
This Air Serbia deal was found by Cheapflights users on 3/25. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:30 amIST - LHR
1 stop10h 00mAir Serbia
Mon 10/201:30 pmLHR - IST
1 stop12h 00mAir Serbia
Deal found 3/25$218
This deal was found by Cheapflights users on 3/24. 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.
Sun 3/305:30 pmIST - LHR
1 stop6h 30mLOT
Fri 4/46:30 amLHR - IST
1 stop8h 10mLOT
Deal found 3/24$224
This Lufthansa deal was found by Cheapflights users on 3/24. 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 6/45:55 pmIST - LHR
1 stop6h 15mLufthansa
Sun 6/89:30 amLHR - IST
1 stop9h 50mLufthansa
Deal found 3/24$259
This Aegean Airlines deal was found by Cheapflights users on 3/24. 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 Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/94:35 amIST - LHR
1 stop12h 55mAegean Airlines
Mon 5/1212:15 pmLHR - IST
1 stop12h 05mAegean Airlines
Deal found 3/24$261
This Expedia deal was found by Cheapflights users on 3/24. 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.
Fri 5/98:25 pmIST - LHR
Nonstop4h 00mMultiple Airlines
Mon 5/127:00 pmLHR - IST
1 stop23h 00mMultiple Airlines
Deal found 3/24$278

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated March 25, 2025.
Use the filters below to find and compare flights from Istanbul Airport to London Heathrow Airport that are best for you.

Fly from

Istanbul

Fly to

Heathrow

Route

Depart

Return

Price

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 5/27

5:00 pm-7:00 pm

Nonstop4h 00m

London Heathrow

Fri 5/30

6:50 pm-12:40 am

Nonstop3h 50m

$198

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 5/14

1:45 pm-3:55 pm

Nonstop4h 10m

London Heathrow

Fri 5/30

6:30 am-12:25 pm

Nonstop3h 55m

$217

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 5/19

4:30 am-12:30 pm

1 stop10h 00m

London Heathrow

Wed 5/28

1:30 pm-3:30 am

1 stop12h 00m

$235

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 6/4

5:55 pm-10:10 pm

1 stop6h 15m

London Heathrow

Sun 6/8

9:30 am-9:20 pm

1 stop9h 50m

$259

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 5/9

4:35 am-3:30 pm

1 stop12h 55m

London Heathrow

Mon 5/12

12:15 pm-2:20 am

1 stop12h 05m

$261

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 5/9

8:25 pm-10:25 pm

Nonstop4h 00m

London Heathrow

Mon 5/12

7:00 pm-8:00 pm

1 stop23h 00m

$278

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 7/30

7:00 am-5:20 pm

1 stop12h 20m

London Heathrow

Fri 8/8

6:30 am-1:05 pm

1 stop28h 35m

$308

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 4/8

8:15 am-10:30 am

Nonstop4h 15m

$74

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 4/11

2:45 pm-4:40 pm

Nonstop3h 55m

$98

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 7/11

3:40 pm-12:30 pm

1 stop22h 50m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 16 results
1
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Compare providers for flights from Istanbul to Heathrow

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 Istanbul to Heathrow in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Istanbul Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Istanbul Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Istanbul Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Istanbul Airport-London Heathrow 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 Istanbul Airport-London Heathrow 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 Istanbul to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Istanbul with our price prediction graph.
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 Istanbul Airport to London Heathrow Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Istanbul to Heathrow. Price data was last updated on March 21, 2025.

The best time to book flights from Istanbul Airport to London Heathrow Airport is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Istanbul Airport to London Heathrow Airport (average of $661). Flying from Istanbul Airport to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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 March 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Istanbul Airport to London Heathrow Airport at noon. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Istanbul to Heathrow. Price data was last updated on March 23, 2025.

Travelers seeking maximum savings on their Istanbul Airport to London Heathrow Airport flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Istanbul Airport 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 March 25, 2025.

The most flights from IST to LHR are scheduled on a Saturday (52 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 March 25, 2025.
Get a feel of what it's like to fly with Aegean Airlines, LOT and Turkish Airlines from Istanbul to London by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
726 reviews

Crew

8.6

Entertainment

6.9

Boarding

7.8

Food

7.3

Overall

8.1

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
726 reviews
Aegean Airlines
8.1
Very good
726 reviews

Crew

8.6

Entertainment

6.9

Boarding

7.8

Food

7.3

Overall

8.1

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
1,061 reviews
Aegean Airlines
8.1
Very good
726 reviews

Crew

8.6

Entertainment

6.9

Boarding

7.8

Food

7.3

Overall

8.1

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
3,745 reviews
Aegean Airlines
8.1
Very good
726 reviews

Crew

8.6

Entertainment

6.9

Boarding

7.8

Food

7.3

Overall

8.1

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
Lufthansa
6.7
Okay
6,949 reviews
Aegean Airlines
8.1
Very good
726 reviews

Crew

8.6

Entertainment

6.9

Boarding

7.8

Food

7.3

Overall

8.1

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
British Airways
6.6
Okay
6,712 reviews
Aegean Airlines
8.1
Very good
726 reviews

Crew

8.6

Entertainment

6.9

Boarding

7.8

Food

7.3

Overall

8.1

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 Airport to London Heathrow Airport round-trip?

    British Airways, at $198, was found to be the cheapest airline from Istanbul Airport to London Heathrow Airport.Alternate airlines to your destination round-trip include Turkish Airlines and Air Serbia. British Airways is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Istanbul Airport 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 $74. Turkish Airlines flights start at $98 while deals on Air Serbia start at $115 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Istanbul Airport to London Heathrow Airport on time: RwandAir (90%), United Airlines (89%), IndiGo (88%).

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

    Looking for the cheapest flight from Istanbul Airport to London Heathrow Airport? While on average our users pay $2,535, our data indicates the cheapest price to be $124. The most popular route (Istanbul - London Heathrow), is priced around $218.

  • 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 vacation 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 Airport to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Istanbul Airport to London Heathrow Airport (average of $661). Flying from Istanbul Airport to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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

Traveling to a place near Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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.
Istanbul to Gatwick flights

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 2,558,603 searches. Data last updated March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest$130Average$228FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$174Average$262FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$263Average$374FlexibilityNo cancel feeOn-time77%
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