Question 1

What is the cheapest month to fly to Istanbul?

Accepted Answer

The month of January is, on average, the cheapest month to fly to Istanbul from London Heathrow Airport, with most prices found around £158. If you aren’t able to travel to Istanbul during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £163.

Question 2

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 £222 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 £200 on momondo.

Question 3

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

Accepted Answer

On average, the least expensive day to fly to Istanbul from London Heathrow Airport is on a Monday. momondo users have found tickets for Monday departures for as low as £516. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Istanbul on a Saturday will generally be more expensive and average around £569. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 4

Which airlines fly to Istanbul?

Accepted Answer

Turkish Airlines, British Airways and Wizz Air are the top three most popular airlines that fly to Istanbul from London Heathrow Airport according to our data. Turkish Airlines is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Istanbul. Keep in mind that there are 12 different airlines that fly to Istanbul on a routine basis, so you have a few additional options to choose from.

Question 5

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 6

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

Accepted Answer

There are 3 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 7

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

Accepted Answer

As of December 2025, 29 flights take off from London Heathrow Airport and land in Istanbul each day. The most common flight departure time for this route is 16:00, with 39% of daily flights taking off at midday.

Question 8

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

Accepted Answer

Flying to Istanbul from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £305 when looking at flights departing in the evening. Flights to Istanbul are more costly in the afternoon, with an average ticket price of £544. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Question 9

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 10

What is the cheapest London Heathrow to Istanbul flight route?

Accepted Answer

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

Question 11

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 12

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 13

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 14

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

Accepted Answer

208 flights are operational weekly from London Heathrow Airport to Istanbul as of December 2025. The most popular departure day for this route is Thu, with 23% of flights per week taking off on this day.

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 updated daily.

Question 16

How many operators does momondo search for flights from London Heathrow Airport to Istanbul?

Accepted Answer

As of December 2025, there are 12 operators available to choose from for flights from London Heathrow Airport to Istanbul.

Question 17

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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Istanbul.

Question 18

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

Accepted Answer

The required travel and health documents for your Istanbul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Istanbul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Fastest flight time	3h 50m
Direct flights	Every day
Airports in Istanbul	2 airports

Airline	Rating	Free Cancellation	Price
Ajet	PriceFrom £43	Free Cancellation	Rating 6.5 18 reviews	Search Ajet flights
Wizz Air	PriceFrom £46	Free Cancellation	Rating 6.2 158 reviews	Search Wizz Air flights
Pegasus Airlines	PriceFrom £68	Free Cancellation	Rating 6.7 636 reviews	Search Pegasus Airlines flights
Air Serbia	PriceFrom £96	Free Cancellation	Rating 6.2 210 reviews	Search Air Serbia flights
Aegean Airlines	PriceFrom £103	Free Cancellation	Rating 8.1 831 reviews	Search Aegean Airlines flights
Air France	PriceFrom £119	Free Cancellation	Rating 7.4 1,504 reviews	Search Air France flights
KM Malta Airlines	PriceFrom £127	Free Cancellation	Rating 7.1 69 reviews	Search KM Malta Airlines flights
British Airways	PriceFrom £132	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
KLM	PriceFrom £154	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
Turkish Airlines	PriceFrom £155	Free Cancellation	Rating 7.3 4,090 reviews	Search Turkish Airlines flights

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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 cheapest month to fly to Istanbul?

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 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 3 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

Which airlines fly 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?

As of December 2025, 29 flights take off from London Heathrow Airport and land in Istanbul each day. The most common flight departure time for this route is 16:00, with 39% of daily flights taking off at midday.

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

208 flights are operational weekly from London Heathrow Airport to Istanbul as of December 2025. The most popular departure day for this route is Thu, with 23% of flights per week taking off on this day.

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

How many operators does momondo search 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 20.9 mi from Istanbul