Question 1

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

Accepted Answer

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

Question 2

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

Accepted Answer

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 3

What is the cheapest day to depart on your flight to Istanbul?

Accepted Answer

The cheapest day to depart from London Heathrow Airport to Istanbul is on a Monday. Travellers who choose to depart for Istanbul on a Monday will often find tickets for as low as €96. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Istanbul for around €979.

Question 4

How far in advance should I book a flight to Istanbul?

Accepted Answer

You are more likely to see cheaper flights to Istanbul from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around €254 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from London Heathrow Airport for as low as €228 on momondo.

Question 5

What is the cheapest airline that flies from London Heathrow to Istanbul?

Accepted Answer

Air Serbia is the most popular carrier operating from London Heathrow to Istanbul

Question 6

What is the cheapest month to fly to Istanbul?

Accepted Answer

The month of March is another great option to travel to Istanbul, with average flight prices from London Heathrow Airport averaging around €185.

Question 7

How many flights depart from London Heathrow Airport to Istanbul on average per day?

Accepted Answer

The number of flights available between London Heathrow Airport and Istanbul is 30 per day as of December 2025. The most frequent departure time is 17:00, with 46% of daily flights leaving in the afternoon.

Question 8

How often are flights from London to Istanbul delayed?

Accepted Answer

Historically, on average around 11% of flights between London and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 128 minutes.

Question 9

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

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 10

What is the cheapest London Heathrow to Istanbul flight route?

Accepted Answer

Fly from London Heathrow to Istanbul Sabiha Gokcen for the best London Heathrow - Istanbul flight prices

Question 11

How many flights depart from London Heathrow Airport to Istanbul on average per week?

Accepted Answer

As of December 2025, 213 flights take off from London Heathrow Airport and land in Istanbul each week. The most common flight departure day for this route is Tue, with 19% of weekly flights taking off on this day.

Question 12

What is the typical price of a round-trip flight between London Heathrow Airport and Istanbul?

Accepted Answer

Prices are currently typical for flights on this route.Typical prices usually range from €166 to €224.
The lowest price recently found on this route was €168.

Question 13

What cabin class options are available on London Heathrow to Istanbul flights?

Accepted Answer

There are 2 cabin classes available to choose from on London Heathrow to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 14

What is the cheapest time of day to depart on your flight to Istanbul?

Accepted Answer

Our most recent data shows that the best time of day to fly to Istanbul is in the evening. Flights from London Heathrow Airport to Istanbul during this time can be as low as €256. Try not to purchase tickets in the afternoon because they tend to be around €596. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 15

When did momondo last update prices for flights from London Heathrow Airport to Istanbul?

Accepted Answer

Prices for flights from London Heathrow Airport to Istanbul are refreshed on a daily basis.

Question 16

How old do you have to be to fly from London Heathrow Airport to Istanbul?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Istanbul.

Question 17

What documentation or ID do you need to fly to Istanbul?

Accepted Answer

The travel and health documents you'll need for your trip to Istanbul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Istanbul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Fastest flight time	3h 55m
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Airports in Istanbul	2 airports

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See travel insights to Istanbul from

How to get the cheapest flight ticket from London Heathrow Airport to Istanbul

What is the typical price of a round-trip flight between London Heathrow Airport and Istanbul?

What is the cheapest month to fly to Istanbul?

The month of March is another great option to travel to Istanbul, with average flight prices from London Heathrow Airport averaging around €185.

What is the cheapest day to depart on your flight to Istanbul?

What is the cheapest time of day to depart on your flight to Istanbul?

What is the cheapest London Heathrow to Istanbul flight route?

Fly from London Heathrow to Istanbul Sabiha Gokcen for the best London Heathrow - Istanbul flight prices

How far in advance should I book a flight to Istanbul?

What cabin class options are available on London Heathrow to Istanbul flights?

There are 2 cabin classes available to choose from on London Heathrow to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from London Heathrow to Istanbul?

Air Serbia is the most popular carrier operating from London Heathrow to Istanbul

How often are flights from London to Istanbul delayed?

Historically, on average around 11% of flights between London and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 128 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

How many flights depart from London Heathrow Airport to Istanbul on average per day?

The number of flights available between London Heathrow Airport and Istanbul is 30 per day as of December 2025. The most frequent departure time is 17:00, with 46% of daily flights leaving in the afternoon.

How many flights depart from London Heathrow Airport to Istanbul on average per week?

As of December 2025, 213 flights take off from London Heathrow Airport and land in Istanbul each week. The most common flight departure day for this route is Tue, with 19% of weekly flights taking off on this day.

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When did momondo last update prices for flights from London Heathrow Airport to Istanbul?

How old do you have to be to fly from London Heathrow Airport to Istanbul?

What documentation or ID do you need to fly to Istanbul?

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Airports listed have a maximum distance of 33.6 km from Istanbul