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Cheap flights from Istanbul to London Heathrow Airport from £58

IST — LHR
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to London Heathrow are usually found in February or April, booked 49 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from Istanbul to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Istanbul to Heathrow

Wed 9/1218:30 -
1 stop18h 05m
Wed 16/1206:30 -
1 stop28h 30m
Deal found 28/10£140
Thu 26/1115:00 -
1 stop10h 00m
Thu 3/1210:35 -
1 stop28h 00m
Deal found 26/10£146
Mon 23/1118:30 -
1 stop18h 05m
Mon 30/1118:20 -
1 stop16h 40m
Deal found 26/10£147
Tue 1/1218:30 -
1 stop6h 30m
Thu 31/1218:20 -
1 stop16h 40m
Deal found 25/10£154
Mon 23/1118:30 -
1 stop18h 05m
Wed 2/1210:35 -
1 stop28h 00m
Deal found 26/10£155
Thu 10/1218:30 -
1 stop18h 05m
Thu 7/106:30 -
1 stop8h 05m
Deal found 27/10£156
Thu 26/1118:30 -
1 stop6h 30m
Wed 2/1218:20 -
1 stop16h 40m
Deal found 29/10£157
Tue 24/1115:00 -
1 stop21h 35m
Tue 1/1218:20 -
1 stop20h 15m
Deal found 25/10£158
Fri 27/1105:25 -
1 stop9h 55m
Mon 30/1113:20 -
1 stop12h 20m
Deal found 27/10£159
Thu 26/1107:40 -
Nonstop4h 25m
Thu 3/1207:05 -
Nonstop3h 55m
Deal found 27/10£160
Tue 8/1209:00 -
1 stop8h 25m
Thu 10/1208:05 -
1 stop6h 50m
Deal found 30/10£210
Mon 23/1115:00 -
1 stop8h 50m
Wed 2/1209:55 -
1 stop8h 25m
Deal found 26/10£214

Find flight deals from Istanbul to Heathrow

Round-trip from

£140

One-way from

£58

Popular in

August

Cheapest in

February

Average price

£283
LOT
  • LOT
  • 9/12-16/12
  • 2 total stops
  • 46h 35m total
  • Istanbul to London
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British Airways
  • British Airways
  • 14/12-31/12
  • Nonstop
  • 4h 25m total
  • Istanbul to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Mon 21/12

08:25-09:50

Nonstop4h 25m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£61
Fastest return journey

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Fri 11/12

18:45-19:55

Nonstop4h 10m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£67

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Wed 13/1

18:50-20:00

Nonstop4h 10m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£68

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Mon 25/1

18:30-19:40

Nonstop4h 10m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£68

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Tue 24/11

18:35-19:45

Nonstop4h 10m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£94

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Sat 28/11

18:35-19:45

Nonstop4h 10m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£95

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Sun 29/11

18:50-20:00

Nonstop4h 10m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£99

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Sat 20/2

05:25-12:20

1 stop9h 55m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£101

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Fri 8/1

05:25-12:20

1 stop9h 55m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£101

IstanbulLondon

SAW Istanbul Sabiha Gokcen - LHR London Heathrow

SAWLHR

Istanbul Sabiha Gokcen

Mon 23/11

11:55-17:15

1 stop8h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£122

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Istanbul to Heathrow

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

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from Istanbul to London Heathrow Airport (average of £194). Flying from Istanbul to London Heathrow Airport in August is currently the most expensive (average of £328). 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 IST to LHR?

It’s optimal to fly from Istanbul to London Heathrow Airport in the afternoon. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Istanbul to London Heathrow Airport

The most flights from TR5 to LHR are scheduled on a Wednesday (40 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (20 on average).

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

Airfare is below average for this route at the moment.
Istanbul to London Heathrow Airport flights typically cost between £198 and £299 in December.
The cheapest return price found within the last 5 days was £140 on LOT (9 Dec–16 Dec).

How often are flights from Istanbul to London delayed?

About 15% of weekly flights between Istanbul and London have experienced delays in the past year, with the average delay time being 99 minutes.

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

Thursday 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 Istanbul to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.

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

The price you pay for your flight from Istanbul to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Turkish Airlines and British Airways from Istanbul to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.4
Good
4,461 reviews
Check prices

Crew

7.8

Overall

7.4

Boarding

7.3

Food

7.5

Comfort

7.3

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Gigi,Oct 2026

IST - MIA

Horrible… the flight was delayed 3 times, more than 5 hours delay without explanation. They changed the gate continuously… and treated people really bad. O will never again flight Turkish air
Turkish Airlines
7.4
Good
4,461 reviews
Turkish Airlines
7.4
Good
4,461 reviews
Check prices

Crew

7.8

Overall

7.4

Boarding

7.3

Food

7.5

Comfort

7.3

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Gigi,Oct 2026

IST - MIA

Horrible… the flight was delayed 3 times, more than 5 hours delay without explanation. They changed the gate continuously… and treated people really bad. O will never again flight Turkish air
British Airways
6.7
Okay
8,275 reviews
Turkish Airlines
7.4
Good
4,461 reviews
Check prices

Crew

7.8

Overall

7.4

Boarding

7.3

Food

7.5

Comfort

7.3

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Gigi,Oct 2026

IST - MIA

Horrible… the flight was delayed 3 times, more than 5 hours delay without explanation. They changed the gate continuously… and treated people really bad. O will never again flight Turkish air

Related info for your journey

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

    Departing from Istanbul to London Heathrow Airport will take you 4h 25m. Airlines will cover a distance of 1545 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Flying on British Airways is currently your cheapest option to London Heathrow Airport, with prices starting at £150. Another option worth looking into is Turkish Airlines, starting at £198 return. Users have found that British Airways is 40% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £67. KLM flights start at £76 while deals on Turkish Airlines start at £92 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Istanbul to London Heathrow Airport consider choosing British Airways (82%), American Airlines (79%) or South African (61%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay £235 for a flight from Istanbul to London Heathrow Airport. The cheapest flight overall is £81 while the most popular route, (Istanbul - London Heathrow) is currently priced at £170.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Istanbul to Heathrow 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 Istanbul to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Istanbul to London Heathrow Airport (average of £194). Flying from Istanbul to London Heathrow Airport in August is currently the most expensive (average of £328). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Slough
Wembley
Gatwick
Ilford
Hayes
Croydon
Northampton
Barnet
Eastbourne
Brentford
Southend-on-Sea
Southall
Enfield
Watford
Kingston upon Thames
Dagenham
Dover

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Istanbul to Heathrow

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£150Average£217FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest£198Average£300FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

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How does Cheapflights help users find flights from Istanbul to Heathrow?

Cheapflights helps you search for flights from Istanbul to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Istanbul to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Istanbul to Heathrow.

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Yes, we can. To see specific flights from Istanbul to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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