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$123+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Find cheap flights from Heathrow to Istanbul with Cheapflights

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Cheapflights Tip: The best prices from London Heathrow to Istanbul are usually found in January or March, booked 83 days in advance, depart on a Monday or Thursday 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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$188
(Expedia)

One-way from

$131
(British Airways)

Popular in

August

Cheapest in

January

Average price

$308

Good round-trip deal

$276 or less

Good one-way deal

$185 or less
Provider with most accurate pricing for London Heathrow-Istanbul flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Istanbul flights.
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From London Heathrow to Istanbul
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One-way flight from London Heathrow to Istanbul
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from London Heathrow to Istanbul.
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Price to beat on a one-way flight from London Heathrow to Istanbul.
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Find flight deals from Heathrow to Istanbul

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 April 15, 2025.

This Travelocity deal was found by Cheapflights users on 4/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/26:15 pmLHR - IST
Nonstop4h 00mBritish Airways
Thu 11/206:25 pmIST - LHR
Nonstop4h 20mBritish Airways
Deal found 4/14$184
This Mytrip deal was found by Cheapflights users on 4/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/154:40 pmLHR - IST
Nonstop4h 00mTurkish Airlines
Thu 5/221:55 pmIST - LHR
Nonstop4h 05mTurkish Airlines
Deal found 4/13$215
This Air France deal was found by Cheapflights users on 4/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/137:45 pmLHR - IST
1 stop5h 40mMultiple Airlines
Tue 5/205:05 pmIST - LHR
1 stop5h 50mMultiple Airlines
Deal found 4/13$218
This Air Serbia deal was found by Cheapflights users on 4/14. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/21:30 pmLHR - IST
1 stop24h 20mAir Serbia
Wed 6/113:40 pmIST - LHR
1 stop22h 50mAir Serbia
Deal found 4/14$235
This Lufthansa deal was found by Cheapflights users on 4/13. 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.
Sat 5/36:30 amLHR - IST
1 stop8h 30mLufthansa
Sat 6/75:55 pmIST - LHR
1 stop6h 15mLufthansa
Deal found 4/13$261
This KLM deal was found by Cheapflights users on 4/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/86:30 amLHR - IST
1 stop7h 50mKLM
Wed 6/115:05 pmIST - LHR
1 stop5h 50mKLM
Deal found 4/14$268
This Air France deal was found by Cheapflights users on 4/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:45 pmLHR - IST
1 stop5h 40mAir France
Wed 5/74:20 amIST - LHR
1 stop11h 25mAir France
Deal found 4/14$274
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:30 amLHR - IST
1 stop15h 20mLOT
Thu 5/157:00 amIST - LHR
1 stop12h 20mLOT
Deal found 4/14$292
This Orbitz deal was found by Cheapflights users on 4/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2610:15 pmLHR - IST
1 stop26h 05mAegean Airlines
Fri 5/24:35 amIST - LHR
1 stop18h 35mAegean Airlines
Deal found 4/13$346

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 April 15, 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

Sat 9/27

6:30 pm-12:20 am

Nonstop3h 50m

Istanbul

Tue 10/7

7:55 pm-9:55 pm

Nonstop4h 00m

$188

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 5/15

4:40 pm-10:40 pm

Nonstop4h 00m

Istanbul

Thu 5/22

1:55 pm-4:00 pm

Nonstop4h 05m

$215

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 5/13

7:45 pm-3:25 am

1 stop5h 40m

Istanbul

Tue 5/20

5:05 pm-8:55 pm

1 stop5h 50m

$218

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 6/2

1:30 pm-3:50 pm

1 stop24h 20m

Istanbul

Wed 6/11

3:40 pm-12:30 pm

1 stop22h 50m

$235

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 5/3

1:30 pm-9:20 pm

1 stop5h 50m

Istanbul

Thu 6/12

5:55 pm-10:10 pm

1 stop6h 15m

$261

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 6/8

6:30 am-4:20 pm

1 stop7h 50m

Istanbul

Wed 6/11

5:05 pm-8:55 pm

1 stop5h 50m

$268

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 4/30

7:45 pm-3:25 am

1 stop5h 40m

Istanbul

Wed 5/7

4:20 am-1:45 pm

1 stop11h 25m

$274

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 5/5

6:30 am-11:50 pm

1 stop15h 20m

Istanbul

Thu 5/15

7:00 am-5:20 pm

1 stop12h 20m

$292

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 4/26

10:15 pm-2:20 am

1 stop26h 05m

Istanbul

Fri 5/2

4:35 am-9:10 pm

1 stop18h 35m

$346

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 9/20

6:30 pm-12:20 am

Nonstop3h 50m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 18 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars
business-class.comPrice Accuracy3 starsTrust Score*2 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*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 London Heathrow Airport-Istanbul Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on London Heathrow Airport-Istanbul Airport flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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.
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

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 round-trip flight from Heathrow to Istanbul. Price data was last updated on April 11, 2025.

Booking 83 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 $923). Flying from London Heathrow Airport to Istanbul Airport in June is currently the most expensive (average of $1,423). 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 April 15, 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Istanbul Airport at noon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Heathrow to Istanbul. Price data was last updated on March 30, 2025.

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

Weekly flight availability from London Heathrow Airport to Istanbul Airport

Explore weekly flight availability from Heathrow to Istanbul. 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 April 15, 2025.

The most flights from LHR to IST are scheduled on a Monday (47 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (23 on average).

Rainfall in Istanbul by month

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

In terms of precipitation, rainfall in Istanbul Airport ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Istanbul Airport when rainfall is around 0.4 in.

Temperature in Istanbul by month

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

If weather is an important factor for your trip to Istanbul 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 15, 2025.
See what other customers who have flown with Aegean Airlines, KLM and LOT from London to Istanbul have to say. 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
733 reviews

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Overall

8.1

Boarding

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
733 reviews
Aegean Airlines
8.1
Very good
733 reviews

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Overall

8.1

Boarding

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
1,323 reviews
Aegean Airlines
8.1
Very good
733 reviews

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Overall

8.1

Boarding

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
1,065 reviews
Aegean Airlines
8.1
Very good
733 reviews

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Overall

8.1

Boarding

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
7.5
Good
1,433 reviews
Aegean Airlines
8.1
Very good
733 reviews

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Overall

8.1

Boarding

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
3,760 reviews
Aegean Airlines
8.1
Very good
733 reviews

Food

7.3

Crew

8.6

Entertainment

6.9

Comfort

7.8

Overall

8.1

Boarding

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 Heathrow to Istanbul. 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 London Heathrow Airport to Istanbul Airport round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Istanbul Airport round-trip from $188. Other airlines that can offer you cheap pricing are Turkish Airlines, from $215, and Air Serbia, from $235. British Airways is 35% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from London Heathrow Airport to Istanbul Airport are British Airways ($131), Air France ($137), and Turkish Airlines ($138).

  • What are the most reliable airlines from London Heathrow Airport to Istanbul 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 London Heathrow Airport to Istanbul Airport on time: Icelandair (92%), Avianca (85%), LATAM Airlines (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 $729, our data indicates the cheapest price to be $139. The most popular route (London Heathrow - Istanbul), is priced around $215.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of $923). Flying from London Heathrow Airport to Istanbul Airport in June is currently the most expensive (average of $1,423). 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 London Heathrow Airport?

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Alternative routes for Heathrow to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
London City to Istanbul flights
Heathrow to Sabiha Gokcen flights
Gatwick to Istanbul flights

Top 4 airlines flying from Heathrow to Istanbul

Discover the top 4 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest$72Average$247FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$165Average$272FlexibilityNo cancel feeOn-time70%
LOTCheapest$203Average$283FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$211Average$297FlexibilityNo cancel feeOn-time77%

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