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

Airfare is below average for this route at the moment. London Heathrow Airport to Istanbul Airport flights typically cost between £188 and £243 in September. The cheapest return flight price found within the last 3 days was £133 on Turkish Airlines (29 Sept-7 Oct).

Question 1

What’s the top stopover airport for flights from London Heathrow Airport to Istanbul Airport?

Accepted Answer

Warsaw (WAW) – chosen by Cheapflights users on 43% of one-stop itineraries from London Heathrow Airport to Istanbul Airport on Cheapflights.

Question 2

What’s the cheapest stopover airport for flights from London Heathrow Airport to Istanbul Airport?

Accepted Answer

Budapest (BUD) is the most affordable one-stop option, with an average return flight price of £134.

Question 3

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Istanbul Airport?

Accepted Answer

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 2h 08m.

Question 4

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

Accepted Answer

Airfare is below average for this route at the moment.London Heathrow Airport to Istanbul Airport flights typically cost between £188 and £243 in September.
The cheapest return flight price found within the last 3 days was £133 on Turkish Airlines (29 Sept-7 Oct).

Question 5

What’s the fastest stopover option from London Heathrow Airport to Istanbul Airport?

Accepted Answer

Flights via Bucharest (OTP) have the shortest average one-way travel time for one-stop routes: 5h 35m.

Question 6

How long is the flight from London Heathrow Airport to Istanbul Airport?

Accepted Answer

Aegean Airlines and British Airways can get you from London Heathrow Airport to Istanbul Airport in just under 3h 55m. Your travel time can differ by up to 10h 50m. London Heathrow Airport and Istanbul Airport are separated by a distance of 1545 mi. This flight may include one or multiple stops.

Question 7

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

Accepted Answer

Flying on Wizz Air is currently your cheapest option to Istanbul Airport, with prices starting at £47. Additional return tickets that might be worth considering are offered by Ajet and Pegasus Airlines, with the lowest prices starting at £64 and £67, respectively. Wizz Air is 78% cheaper than the average price of flights available within the next 90 days to this destination.

Question 8

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

Accepted Answer

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.

Question 9

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £159). Flying from London Heathrow Airport to Istanbul Airport in August is currently the most expensive (average of £366). 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.

Question 10

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

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to Istanbul Airport flight should consider departing on Friday at midday 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.

Question 11

Weekly flight availability from London Heathrow Airport to Istanbul Airport

Accepted Answer

The most flights from LHR to IST are scheduled on a Thursday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).

Question 12

E

Accepted Answer

In terms of precipitation, rainfall in Istanbul Airport ranges from 10.0 - 100.0 inches per month. December is typically the wettest month, when rainfall can reach 100.0 mm. July is typically the driest time to visit Istanbul Airport when rainfall is around 10.0 mm.

Question 13

E

Accepted Answer

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Question 14

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

Accepted Answer

Looking for the cheapest flight from London Heathrow Airport to Istanbul Airport? While on average our users pay £868, our data indicates the cheapest price to be £121. The most popular route (London Heathrow - Istanbul), is priced around £152.

Question 15

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

Accepted Answer

The top 3 most reliable airlines when flying from London Heathrow Airport to Istanbul Airport are Icelandair (87%), Avianca (78%) and United Airlines (75%).

Question 16

What are the most popular airlines that fly from London Heathrow Airport to Istanbul Airport?

Accepted Answer

The most popular airlines flying from London Heathrow Airport to Istanbul Airport are Aegean Airlines, Air France and British Airways. Something to consider prior to booking your flight.

Question 17

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

Accepted Answer

Flights from London Heathrow Airport to Istanbul Airport are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Istanbul Airport.

Question 18

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

Accepted Answer

To save up to 121% on this flight, we recommend booking at least 59 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Istanbul Airport from £159 1-2 weeks out and tickets from £212 for flights departing within the next 72 hours.

Question 19

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

Accepted Answer

Our data shows that March tends to be the cheapest month to fly to Istanbul Airport from London Heathrow Airport. Users have commonly found prices around £145 for the month, but tickets can be as low as £42. Due to multiple factors, prepare for potentially higher prices in August.

Question 20

What is the cheapest time of day to fly from LHR to IST?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Istanbul Airport in the evening. If you’re flexible enough to do this you can expect to save up to 5% on your trip compared to booking a flight in the afternoon.

Question 21

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

Accepted Answer

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

Question 22

How can I find direct flights from Heathrow to Istanbul?

Accepted Answer

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

Question 23

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

Accepted Answer

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.

Question 24

How does Cheapflights help users find flights from Heathrow to Istanbul?

Accepted Answer

Deals for Heathrow to Istanbul flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 25

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

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Istanbul for you. Better yet — we are completely free to use.

Question 26

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

Accepted Answer

Yes, we can. To see specific flights from Heathrow to Istanbul with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 27

Can Cheapflights notify me if prices for flights from Heathrow to Istanbul become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Istanbul from Heathrow today and book when prices fit your budget.

Round-trip from	£133
One-way from	£80
Popular in	August
Cheapest in	January
Average price	£211
Good round-trip deal	£429 or less
Good one-way deal	£271 or less

Airline	Cheapest	Average	Flexibility	On-time
Wizz Air	Cheapest£47	Average£114	FlexibilityNo cancel fee	On-timeN/A	Search Wizz Air flights
Ajet	Cheapest£64	Average£134	FlexibilityNo cancel fee	On-timeN/A	Search Ajet flights
Pegasus Airlines	Cheapest£67	Average£144	FlexibilityNo cancel fee	On-time82%	Search Pegasus Airlines flights
Air Serbia	Cheapest£105	Average£192	FlexibilityNo cancel fee	On-timeN/A	Search Air Serbia flights
Aegean Airlines	Cheapest£114	Average£231	FlexibilityNo cancel fee	On-time87%	Search Aegean Airlines flights
Air France	Cheapest£118	Average£159	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KM Malta Airlines	Cheapest£126	Average£190	FlexibilityNo cancel fee	On-time86%	Search KM Malta Airlines flights
British Airways	Cheapest£128	Average£198	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
LOT	Cheapest£154	Average£251	FlexibilityNo cancel fee	On-time81%	Search LOT flights
KLM	Cheapest£154	Average£266	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Cheap flights from London Heathrow Airport to Istanbul Airport from £80

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.

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 Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Heathrow to Istanbul

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Find flight deals from Heathrow to Istanbul

Cheapest flights from Heathrow to IstanbulExplore 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 5 September 2025.

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 5 September 2025.

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

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.

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?

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

What is the cheapest time of day to fly from LHR to IST?

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

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

Weekly flight availability from London Heathrow Airport to Istanbul Airport

What’s the top stopover airport for flights from London Heathrow Airport to Istanbul Airport?

What’s the fastest stopover option from London Heathrow Airport to Istanbul Airport?

What’s the fastest stopover option from London Heathrow Airport to Istanbul Airport?

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Istanbul Airport?

Reviews of airlines servicing Istanbul

Read through reviews of airlines operating flights from London Heathrow Airport to Istanbul Airport, such as LOT, Turkish Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

How long is the flight from London Heathrow Airport to Istanbul Airport?

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

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

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

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

How can I find direct flights from Heathrow to Istanbul?

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

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

Travelling to a place near Istanbul Airport?

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Fly from Heathrow to Istanbul on these airlines

Choose from the following airlines for your flight from Heathrow to Istanbul. Flights are based on user searches made on Cheapflights and were last updated on 5 September 2025.

Top 10 airlines flying from Heathrow to Istanbul

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How does Cheapflights help users find flights from Heathrow to Istanbul?

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

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

Can Cheapflights notify me if prices for flights from Heathrow to Istanbul become cheaper?

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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 5 September 2025.