Cheap flights from London Heathrow Airport to Istanbul from £83

LHR — IST
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Istanbul are usually found in January or November, booked 85 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Heathrow to Istanbul

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Istanbul

Wed 9/1206:30 -
1 stop28h 30m
Wed 16/1218:30 -
1 stop25h 50m
Deal found 28/10£135
Sat 5/1206:30 -
1 stop8h 05m
Sun 13/1215:00 -
1 stop10h 00m
Deal found 25/10£136
Thu 31/1218:20 -
1 stop16h 40m
Thu 14/118:30 -
1 stop6h 30m
Deal found 29/10£138
Sat 12/1218:20 -
1 stop16h 40m
Sat 19/1218:30 -
1 stop18h 05m
Deal found 29/10£139
Mon 7/1206:30 -
1 stop28h 30m
Sun 13/1218:30 -
1 stop6h 30m
Deal found 29/10£140
Mon 7/1206:30 -
1 stop8h 05m
Mon 14/1215:00 -
1 stop21h 35m
Deal found 26/10£141
Wed 18/1118:10 -
Nonstop3h 55m
Tue 8/1218:35 -
Nonstop4h 10m
Deal found 27/10£144
Tue 8/1218:20 -
2 stops13h 50m
Sun 13/1215:00 -
1 stop21h 35m
Deal found 26/10£145
Thu 10/1218:20 -
1 stop16h 40m
Wed 16/1215:00 -
1 stop10h 00m
Deal found 28/10£146
Mon 7/1206:30 -
1 stop28h 30m
Sat 12/1218:30 -
1 stop18h 05m
Deal found 25/10£147
Fri 25/1206:30 -
1 stop28h 30m
Thu 31/1218:30 -
1 stop18h 05m
Deal found 25/10£148
Sat 7/1112:15 -
1 stop6h 45m
Wed 2/1210:20 -
1 stop7h 25m
Deal found 29/10£211

Find flight deals from Heathrow to Istanbul

Round-trip from

£134

One-way from

£83

Popular in

July

Cheapest in

January

Average price

£271
LOT
  • LOT
  • 6/1-11/1
  • 2 total stops
  • 18h 05m total
  • London to Istanbul
LOT
  • LOT
  • 12/12-31/12
  • 1 total stop
  • 8h 05m total
  • London to Istanbul
Highest demand for flights based on searches. 18% potential increase in price (£42 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonIstanbul

LHR London Heathrow - IST Istanbul

LHRIST

London Heathrow

Thu 26/11

20:25-16:55

1 stop17h 30m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£107

LondonIstanbul

LHR London Heathrow - SAW Istanbul Sabiha Gokcen

LHRSAW

London Heathrow

Sat 9/1

09:55-01:25

2 stops12h 30m

Istanbul Sabiha Gokcen

Wed 31/12

00:00-23:00

Nonstop0h 00m

£118
Fastest return journey

LondonIstanbul

LHR London Heathrow - IST Istanbul

LHRIST

London Heathrow

Sun 8/11

18:15-01:10

Nonstop3h 55m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£118

LondonIstanbul

LHR London Heathrow - IST Istanbul

LHRIST

London Heathrow

Sat 7/11

07:00-13:55

Nonstop3h 55m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£118

LondonIstanbul

LHR London Heathrow - IST Istanbul

LHRIST

London Heathrow

Sun 15/11

18:15-01:10

Nonstop3h 55m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£120

LondonIstanbul

LHR London Heathrow - IST Istanbul

LHRIST

London Heathrow

Tue 24/11

06:55-13:50

Nonstop3h 55m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£121

LondonIstanbul

LHR London Heathrow - IST Istanbul

LHRIST

London Heathrow

Tue 17/11

06:55-13:50

Nonstop3h 55m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£121

LondonIstanbul

LHR London Heathrow - IST Istanbul

LHRIST

London Heathrow

Sat 2/1

17:40-00:35

Nonstop3h 55m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£124

LondonIstanbul

LHR London Heathrow - IST Istanbul

LHRIST

London Heathrow

Tue 17/11

13:20-15:55

1 stop23h 35m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£131

LondonIstanbul

LHR London Heathrow - IST Istanbul

LHRIST

London Heathrow

Sun 8/11

13:20-04:40

1 stop12h 20m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£132

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 44 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Istanbul

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul (average of £190). Flying from London Heathrow Airport to Istanbul in July is currently the most expensive (average of £352). 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.

What is the cheapest time of day to fly from LHR to IST?

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Istanbul in the morning. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from London Heathrow Airport to Istanbul

The most flights from LHR to TR5 are scheduled on a Wednesday (41 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (18 on average).

How much does it cost for a return flight from London Heathrow Airport to Istanbul?

Airfare is below average for this route at the moment.
London Heathrow Airport to Istanbul flights typically cost between £173 and £235 in January.
The cheapest return price found within the last 5 days was £134 on LOT (6 Jan–11 Jan).

How often are flights from London to Istanbul delayed?

About 8% of weekly flights between London and Istanbul have experienced delays in the past year, with the average delay time being 123 minutes.

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

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

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

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

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

Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 8% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Istanbul, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from London Heathrow Airport to Istanbul?

Travellers seeking maximum savings on their London Heathrow Airport to Istanbul flight should consider departing on Saturday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Istanbul

Check out reviews from past customers who have flown with KLM,LOT, andTurkish Airlines from London Heathrow Airport to Istanbul to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

  • What airports serve Heathrow to Istanbul flights?

    When flying out of Heathrow, make sure to check which terminal your airline flies from as Heathrow has four terminals that are quite spread out. If you need to change terminals, there are shuttle trains or London Underground trains that run between the terminals but the trains also run into central London, so double check before you board to avoid catching the wrong train. You can get a free transfer ticket to use these trains at the terminal station. Upon arrival, two airports serve the city of Istanbul. Istanbul Ataturk, located approximately a 60-min drive north of the city, is the most popular for flights from Heathrow; however, flights are available for Sabiha Gokcen International Airport as well. Sabiha Gokcen Airport is closer to the city, located approximately a 30-min drive south of Istanbul.

  • Which airlines fly directly from Heathrow to Istanbul?

    While there are no direct flights to Sabiha Gokcen Airport, Turkish Airlines offers a wide variety of direct flights between Heathrow and Istanbul Ataturk Airport, as does British Airways. Travellers journeying to Istanbul from Heathrow and flying direct should expect an average flight time of just under 4h. If you want to make sure you have a wide variety of flight times and airlines to choose from, make sure to book through Cheapflights. We can help find the flights that work for you.

  • What are the stopover options between Heathrow to Istanbul?

    Flights to Istanbul from Heathrow with a single stopover can be a cheaper option for travellers flying on a budget and can be found journeying into both Istanbul Ataturk Airport and Sabiha Gokcen Airport. When flying with Air France, expect to stop at Paris Charles de Gaulle Airport. Travellers journeying with KLM will often find themselves changing flights in Amsterdam. Flights with a single stopover can take anywhere from 6h to 14h depending on the time of departure and the stopover location. There are also flights through airlines such as Etihad Airways and Ethiopian Air, which operate two stopovers. Travellers journeying on these flights should expect a journey time of anywhere from 21h to 38h.

  • Do I need a passport or visa to fly from Heathrow to Istanbul?

    Travellers journeying to Istanbul as tourists and planning on staying in the country for less than 90 days do need a passport but do not need a visa. However, you can only visit for up to 90 days in any 180-day period. You are also advised to have a blank page on your passport and at least six months left before it expires. If you plan on staying for longer, it is recommended that you apply for a visa before arrival. You can also apply for a residence permit while in the country and before the 90 days has passed.

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

    Departing from London Heathrow Airport to Istanbul will take you 3h 55m. The distance from London Heathrow Airport to Istanbul is about 1545 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from London Heathrow Airport to Istanbul round-trip from £55. Other airlines that can offer you cheap pricing are AJet, from £68, and Pegasus Airlines, from £77. Users have found that Wizz Air is 77% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Wizz Air, which is currently one of the cheapest options available, starting at £33. Air Serbia flights start at £84 while deals on KLM start at £91 one-way.

  • What are the most reliable airlines from London Heathrow Airport to Istanbul?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Istanbul consider choosing Icelandair (88%), British Airways (84%) or Avianca (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Istanbul?

    Looking at all options, your cheapest flight can be booked for £132. While the most popular route (London Heathrow - Istanbul) can be booked for £153 on average, our data indicates £759 when flying from London Heathrow Airport to Istanbul.

  • Can I find deals for flights from Heathrow to Istanbul that include hotel bookings?

    Yes. In addition to deals on Heathrow to Istanbul flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Istanbul.

  • Can I find deals for business class flights from Heathrow to Istanbul?

    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.

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

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul (average of £190). Flying from London Heathrow Airport to Istanbul in July is currently the most expensive (average of £352). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Heathrow to Istanbul

AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£55Average£133FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
AJetCheapest£68Average£155FlexibilityNo cancel feeOn-timeN/A
Search AJet flights
Pegasus AirlinesCheapest£77Average£162FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Air SerbiaCheapest£96Average£166FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Aegean AirlinesCheapest£136Average£291FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
LOTCheapest£138Average£255FlexibilityNo cancel feeOn-time81%
Search LOT flights
Air FranceCheapest£147Average£206FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£152Average£237FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£159Average£329FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£164Average£264FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

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When you search for this flight from Heathrow to Istanbul, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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