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 £151 and £211 in April. The cheapest return flight price found within the last 3 days was £127 on British Airways (29 Apr-5 May).

Question 1

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 2

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Question 3

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

Accepted Answer

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 6h 57m.

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 £151 and £211 in April.
The cheapest return flight price found within the last 3 days was £127 on British Airways (29 Apr-5 May).

Question 5

What is the most punctual flight time for London to Istanbul flights?

Accepted Answer

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Question 6

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 10m.

Question 7

How often are flights from London to Istanbul delayed?

Accepted Answer

About 10% of weekly flights between London and Istanbul have experienced delays in the past year, with the average delay time being 126 minutes.

Question 8

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

Accepted Answer

Warsaw (WAW) – chosen by Cheapflights users on 36% of one-stop itineraries from London Heathrow Airport to Istanbul Airport on Cheapflights.

Question 9

Which airline has the best punctuality record on London to Istanbul flights?

Accepted Answer

Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

Question 10

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

Accepted Answer

Turkish Airlines and British Airways can get you from London Heathrow Airport to Istanbul Airport in just under 3h 50m. Your travel time will be generally consistent. London Heathrow Airport and Istanbul Airport are separated by a distance of 1545 mi. All flights are typically direct.

Question 11

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

Accepted Answer

Flying on Ajet is currently your cheapest option to Istanbul Airport, with prices starting at £37. Additional return tickets that might be worth considering are offered by Wizz Air and Pegasus Airlines, with the lowest prices starting at £52 and £53, respectively. Ajet is 83% cheaper than the average price of flights available within the next 90 days to this destination.

Question 12

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

Accepted Answer

The cheapest airline one-way is Wizz Air, with whom users have recently found tickets for as low as £31. However, be on the lookout for offers from Pegasus Airlines and Ajet, as they are both options that can get you from London Heathrow Airport to Istanbul Airport for a low price.

Question 13

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

Accepted Answer

Booking 32 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 14

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

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £124). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of £178). 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 15

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. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 16

Weekly flight availability from London Heathrow Airport to Istanbul Airport

Accepted Answer

The most flights from LHR to IST are scheduled on a Thursday (48 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (21 on average).

Question 17

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 18

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 19

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 £668, our data indicates the cheapest price to be £115. The most popular route (London Heathrow - Istanbul), is priced around £127.

Question 20

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 (90%), Avianca (84%) and Sichuan Airlines (79%).

Question 21

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 Turkish Airlines, British Airways and LOT. Something to consider prior to booking your flight.

Question 22

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 10% on your trip compared to booking a flight in the afternoon.

Question 23

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 24

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 25

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 26

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 27

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 28

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 29

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	£127
One-way from	£89
Popular in	July
Cheapest in	March
Average price	£167
Good round-trip deal	£367 or less
Good one-way deal	£272 or less

Airline	Cheapest	Average	Flexibility	On-time
Ajet	Cheapest£37	Average£132	FlexibilityNo cancel fee	On-timeN/A	Search Ajet flights
Wizz Air	Cheapest£52	Average£122	FlexibilityNo cancel fee	On-timeN/A	Search Wizz Air flights
Pegasus Airlines	Cheapest£53	Average£159	FlexibilityNo cancel fee	On-time82%	Search Pegasus Airlines flights
Aegean Airlines	Cheapest£93	Average£233	FlexibilityNo cancel fee	On-time87%	Search Aegean Airlines flights
Air Serbia	Cheapest£95	Average£173	FlexibilityNo cancel fee	On-timeN/A	Search Air Serbia flights
KM Malta Airlines	Cheapest£126	Average£170	FlexibilityNo cancel fee	On-time86%	Search KM Malta Airlines flights
Air France	Cheapest£133	Average£204	FlexibilityNo cancel fee	On-time77%	Search Air France flights
British Airways	Cheapest£134	Average£216	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£151	Average£240	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Turkish Airlines	Cheapest£153	Average£229	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights

Cheap flights from London Heathrow Airport to Istanbul Airport from £89

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 22 January 2026.

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 22 January 2026.

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Best time to book a flight from Heathrow to Istanbul

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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

How often are flights from London to Istanbul delayed?

What is the most punctual flight time for London to Istanbul flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on London to Istanbul flights?

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

What’s the cheapest stopover airport for flights 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 cheapest airlines to fly from London Heathrow Airport to Istanbul Airport one-way?

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 22 January 2026.

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 22 January 2026.