Question 1

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

Accepted Answer

As of December 2025, 229 flights take off from London Heathrow Airport and land in Istanbul Airport each week. The most common flight departure day for this route is Thu, with 21% of weekly flights taking off on this day.

Question 2

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

Accepted Answer

Frankfurt am Main (FRA) was the most common stop: 51% of momondo users choosing one-stop flights on this route connected there.

Question 3

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

Accepted Answer

32 flights are operational daily from London Heathrow Airport to Istanbul Airport as of December 2025. The most popular departure time for this route is 16:00, with 43% of flights per day taking off in the afternoon.

Question 4

What is the cheapest month to fly to Istanbul Airport?

Accepted Answer

In general, January is the cheapest month to fly from London Heathrow Airport to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £157. If you are unable to visit Istanbul Airport during the month of January, then departing from London Heathrow Airport during the month March is also very affordable. Most momondo users find prices during this month for around £163.

Question 5

Can stopping save me money on London Heathrow Airport to Istanbul Airport flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Istanbul Airport.

Question 6

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

Accepted Answer

Amsterdam (AMS) has the shortest average stopover time for this route: 2h 24m.

Question 7

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 131 minutes.

Question 8

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 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

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 11

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

Accepted Answer

The cheapest day to depart from London Heathrow Airport to Istanbul Airport is on a Monday. Travellers who choose to depart for Istanbul Airport on a Monday will often find tickets for as low as £518. The most expensive day to fly to Istanbul Airport is Saturday, with ticket prices averaging around £572.

Question 12

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 13

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

Accepted Answer

Flying to Istanbul Airport from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £307 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £545 on average. Flights to Istanbul Airport from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 14

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

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from £190 to £374.
The lowest price recently found on this route was £130.

Question 15

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

Accepted Answer

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 7h 00m.

Question 16

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 17

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

Accepted Answer

You are more likely to see cheaper flights to Istanbul Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport 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 Airport from London Heathrow Airport for as low as £202 on momondo.

Question 18

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

Accepted Answer

As of December 2025, prices for London Heathrow Airport to Istanbul Airport flights are approximately 1% more expensive when compared to flights at the same time last year.

Question 19

Which airlines fly to Istanbul Airport?

Accepted Answer

Turkish Airlines, British Airways and LOT are the top three most popular airlines that fly to Istanbul Airport from London Heathrow Airport according to our data. Turkish Airlines is the first choice among our users, with 50% of people opting to fly with this airline when travelling to Istanbul Airport. Keep in mind that there are 12 different airlines that fly to Istanbul Airport on a routine basis, so you have a few additional options to choose from.

Question 20

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

Accepted Answer

Flights via Paris (CDG) offer the lowest average return price of £158.

Question 21

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

Accepted Answer

Air Serbia and KLM are the most popular carriers operating from London Heathrow to Istanbul

Question 22

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

Accepted Answer

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

Question 23

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

Accepted Answer

There are 12 operators available for flights from London Heathrow Airport to Istanbul Airport as of December 2025.

Question 24

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

Question 25

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

Accepted Answer

The required travel and health documents for your Istanbul Airport 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 Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best price found	£205
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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 £69	Free Cancellation	Rating 6.7 637 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 8.1 829 reviews	Search Aegean Airlines flights
Air France	PriceFrom £119	Free Cancellation	Rating 7.4 1,500 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 7,562 reviews	Search British Airways flights
KLM	PriceFrom £155	Free Cancellation	Rating 7.7 1,430 reviews	Search KLM flights
Turkish Airlines	PriceFrom £156	Free Cancellation	Rating 7.3 4,077 reviews	Search Turkish Airlines flights

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