Heathrow

$77+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LHR
Aug 3 — Aug 101
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Cheapflights Tip: The best prices from Istanbul to London Heathrow are usually found in March or December, booked 82 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 July 29, 2025.

Round-trip from

$204
(British Airways)

One-way from

$77
(British Airways)

Popular in

August

Cheapest in

March

Average price

$378

Good round-trip deal

$637 or less

Good one-way deal

$198 or less
From Istanbul to London Heathrow
One-way flight from Istanbul to London Heathrow
Highest demand for flights based on searches. 21% potential increase in price ($76 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Istanbul to London Heathrow.
Price to beat on a one-way flight from Istanbul to London Heathrow.

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 July 29, 2025.

This Travelocity deal was found by Cheapflights users on 7/28. 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 11/239:20 pmIST - LHR
Nonstop4h 15mBritish Airways
Fri 11/287:00 amLHR - IST
Nonstop3h 55mBritish Airways
Deal found 7/28$209
This Air France deal was found by Cheapflights users on 7/28. 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.
Sun 11/234:50 amIST - LHR
1 stop14h 45mAir France
Fri 11/282:45 pmLHR - IST
1 stop10h 05mAir France
Deal found 7/28$223
This Orbitz deal was found by Cheapflights users on 7/27. 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.
Mon 11/103:15 pmIST - LHR
Nonstop4h 25mMultiple Airlines
Sat 11/1510:15 pmLHR - IST
1 stop9h 20mMultiple Airlines
Deal found 7/27$235
This LOT deal was found by Cheapflights users on 7/28. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:30 pmIST - LHR
1 stop25h 50mLOT
Wed 12/176:30 amLHR - IST
1 stop28h 25mLOT
Deal found 7/28$252
This Booking.com deal was found by Cheapflights users on 7/28. 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 10/11:05 pmIST - LHR
Nonstop4h 00mTurkish Airlines
Fri 10/106:30 amLHR - IST
Nonstop3h 55mTurkish Airlines
Deal found 7/28$253
This Aegean Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 10/133:50 pmIST - LHR
1 stop7h 20mAegean Airlines
Sat 10/1810:15 pmLHR - IST
1 stop9h 35mAegean Airlines
Deal found 7/28$260
This Air Serbia deal was found by Cheapflights users on 7/28. 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.
Thu 9/184:35 pmIST - LHR
1 stop21h 55mAir Serbia
Wed 9/241:30 pmLHR - IST
1 stop12h 00mAir Serbia
Deal found 7/28$275
This Lufthansa deal was found by Cheapflights users on 7/27. 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.
Tue 11/117:00 pmIST - LHR
1 stop6h 20mLufthansa
Sat 11/1511:30 amLHR - IST
1 stop8h 15mLufthansa
Deal found 7/27$284
This KLM deal was found by Cheapflights users on 7/27. 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.
Sat 9/206:10 amIST - LHR
1 stop6h 35mKLM
Wed 9/245:10 pmLHR - IST
1 stop6h 10mKLM
Deal found 7/27$291

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 July 29, 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

Mon 1/19

6:40 pm-7:55 pm

Nonstop4h 15m

London Heathrow

Mon 1/26

5:55 pm-12:50 am

Nonstop3h 55m

$204

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sun 11/23

4:50 am-4:35 pm

1 stop14h 45m

London Heathrow

Fri 11/28

2:45 pm-3:50 am

1 stop10h 05m

$223

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 11/10

3:15 pm-4:40 pm

Nonstop4h 25m

London Heathrow

Sat 11/15

10:15 pm-10:35 am

1 stop9h 20m

$235

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 12/9

6:30 pm-5:20 pm

1 stop25h 50m

London Heathrow

Wed 12/17

6:30 am-1:55 pm

1 stop28h 25m

$252

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 10/1

1:05 pm-3:05 pm

Nonstop4h 00m

London Heathrow

Fri 10/10

6:30 am-12:25 pm

Nonstop3h 55m

$253

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 10/13

3:50 pm-9:10 pm

1 stop7h 20m

London Heathrow

Sat 10/18

10:15 pm-9:50 am

1 stop9h 35m

$260

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 9/18

4:35 pm-12:30 pm

1 stop21h 55m

London Heathrow

Wed 9/24

1:30 pm-3:30 am

1 stop12h 00m

$275

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 11/11

7:00 pm-10:20 pm

1 stop6h 20m

London Heathrow

Sat 11/15

11:30 am-10:45 pm

1 stop8h 15m

$284

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 9/20

6:10 am-10:45 am

1 stop6h 35m

London Heathrow

Fri 9/26

5:10 pm-1:20 am

1 stop6h 10m

$291

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sun 11/16

9:20 pm-10:35 pm

Nonstop4h 15m

$77

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 15 results
1
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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 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 July 25, 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 $1,097). 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 July 29, 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 11% 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 July 27, 2025.

Travelers seeking maximum savings on their Istanbul Airport to London Heathrow Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday evenings 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 July 29, 2025.

The most flights from IST to LHR are scheduled on a Monday (51 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (19 on average).

How much does it cost to fly round-trip from Istanbul Airport to London Heathrow Airport?

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 July 29, 2025.
See what other customers who have flown with Aegean Airlines, KLM, and LOT from Istanbul Airport to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.4

Comfort

7.9

Overall

8.2

Crew

8.6

Boarding

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Food

7.4

Comfort

7.9

Overall

8.2

Crew

8.6

Boarding

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Food

7.4

Comfort

7.9

Overall

8.2

Crew

8.6

Boarding

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Food

7.4

Comfort

7.9

Overall

8.2

Crew

8.6

Boarding

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Food

7.4

Comfort

7.9

Overall

8.2

Crew

8.6

Boarding

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Food

7.4

Comfort

7.9

Overall

8.2

Crew

8.6

Boarding

7.8

Entertainment

7.0

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 $204, was found to be the cheapest airline from Istanbul Airport to London Heathrow Airport.Alternate airlines to your destination round-trip include Air France and LOT. British Airways is priced at 28% 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 $77. Aegean Airlines flights start at $114 while deals on Turkish Airlines start at $116 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: United Airlines (82%), Icelandair (82%), JetBlue (82%).

  • 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 $2,822, our data indicates the cheapest price to be $135. The most popular route (Istanbul - London Heathrow), is priced around $258.

  • 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 $1,097). 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?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Dartford
Broadway
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Swindon

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.

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 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$174Average$282FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$258Average$354FlexibilityNo cancel feeOn-time77%

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