Question 1

Which stopover airport has the shortest travel time from Istanbul Airport to London Heathrow Airport?

Accepted Answer

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 6h 15m.

Question 2

What is the cheapest Istanbul to London Heathrow flight route?

Accepted Answer

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

Question 3

How have Istanbul Airport to London Heathrow Airport flight prices changed over time?

Accepted Answer

As of December 2025, prices for Istanbul Airport to London Heathrow Airport flights are approximately 36% more expensive when compared to flights at the same time last year.

Question 4

Which airport is the most popular for stopovers for flights between Istanbul Airport and London Heathrow Airport?

Accepted Answer

Frankfurt am Main (FRA) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

Question 5

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

Accepted Answer

There are 3 cabin classes available to choose from on Istanbul to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 6

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

Accepted Answer

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Istanbul Airport to London Heathrow Airport in the evening for as low as £168. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £387 on average. Flights to London Heathrow Airport from Istanbul Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 7

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

Accepted Answer

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

Question 8

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 9

Which stopover airport has the shortest connection time from Istanbul Airport to London Heathrow Airport?

Accepted Answer

Frankfurt am Main (FRA) has the shortest average stopover time for this route: 1h 23m.

Question 10

Which stopover airport offers the lowest fares from Istanbul Airport to London Heathrow Airport?

Accepted Answer

Flights via Frankfurt am Main (FRA) offer the lowest average return price of £190.

Question 11

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

Accepted Answer

The number of flights available between Istanbul Airport and London Heathrow Airport is 209 per week as of December 2025. The most frequent departure day is Thu, with 22% of weekly flights leaving on this day.

Question 12

What is the most punctual flight time for Istanbul to London 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 13

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

Accepted Answer

In general, March is the cheapest month to fly from Istanbul Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £162. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Istanbul Airport averaging around £179.

Question 14

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

Accepted Answer

As of December 2025, there are 29 flights per day flying from Istanbul Airport to London Heathrow Airport. The most common time of day flights depart is 08:00, with 43% of flights taking off in the afternoon.

Question 15

How often are flights from Istanbul to London delayed?

Accepted Answer

Historically, on average around 16% of flights between Istanbul and London have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

Question 16

What is the cheapest day to depart on your flight to London Heathrow Airport?

Accepted Answer

On average, the least expensive day to fly to London Heathrow Airport from Istanbul Airport is on a Friday. momondo users have found tickets for Friday departures for as low as £252. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Wednesday is £345.

Question 17

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

Accepted Answer

British Airways is the most popular carrier operating from Istanbul to London Heathrow

Question 18

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

Accepted Answer

You are more likely to see cheaper flights to London Heathrow Airport from Istanbul Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £221 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Istanbul Airport for as low as £173 on momondo.

Question 19

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

Accepted Answer

Prices for flights from Istanbul Airport to London Heathrow Airport were last updated today.

Question 20

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

Accepted Answer

As of December 2025, there are 2 operators available to choose from for flights from Istanbul Airport to London Heathrow Airport.

Question 21

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

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Istanbul Airport to London Heathrow Airport.

Question 22

What documentation or ID do you need to fly to London Heathrow Airport?

Accepted Answer

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best price found	£101
Fastest flight time	4h 00m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £147	Free Cancellation	Rating 6.7 7,586 reviews		Search British Airways flights
Turkish Airlines	PriceFrom £184	Free Cancellation	Rating 7.3 4,103 reviews		Search Turkish Airlines flights

Cheap flights from Istanbul Airport to London from £58

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

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

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Istanbul to London Heathrow flight route?

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

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

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

There are 3 cabin classes available to choose from on Istanbul to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Istanbul Airport to London Heathrow Airport flight prices changed over time?

As of December 2025, prices for Istanbul Airport to London Heathrow Airport flights are approximately 36% more expensive when compared to flights at the same time last year.

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

British Airways is the most popular carrier operating from Istanbul to London Heathrow

How often are flights from Istanbul to London delayed?

Historically, on average around 16% of flights between Istanbul and London have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

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

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

Which airport is the most popular for stopovers for flights between Istanbul Airport and London Heathrow Airport?

Frankfurt am Main (FRA) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Istanbul Airport to London Heathrow Airport?

Flights via Frankfurt am Main (FRA) offer the lowest average return price of £190.

Which stopover airport has the shortest travel time from Istanbul Airport to London Heathrow Airport?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 6h 15m.

Which stopover airport has the shortest connection time from Istanbul Airport to London Heathrow Airport?

Frankfurt am Main (FRA) has the shortest average stopover time for this route: 1h 23m.

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

As of December 2025, there are 29 flights per day flying from Istanbul Airport to London Heathrow Airport. The most common time of day flights depart is 08:00, with 43% of flights taking off in the afternoon.

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

The number of flights available between Istanbul Airport and London Heathrow Airport is 209 per week as of December 2025. The most frequent departure day is Thu, with 22% of weekly flights leaving on this day.

When to book flights from Istanbul Airport to London Heathrow Airport

Cheap Istanbul Airport to London Heathrow Airport (IST to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Istanbul Airport to London Heathrow Airport

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How far is Istanbul to London Heathrow by plane?

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

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

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

What documentation or ID do you need to fly to London Heathrow Airport?

What is the most popular plane model from Istanbul Airport to London Heathrow Airport?

What is the most popular airline from Istanbul Airport to London Heathrow Airport?

Best airlines flying from Istanbul Airport to London Heathrow Airport

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Turkish Airlines Flights From Istanbul Airport to London Heathrow Airport

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