Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Istanbul from £94

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Istanbul departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Istanbul (LHR-IST)

Cheap return flights

British Airways Logo
06:55 - 13:50LHR-IST
3h 55mdirect
British Airways Logo
18:40 - 19:55IST-LHR
4h 15mdirect
£150British Airways
Find Deal
Tue, 11 Nov - Tue, 2 Dec
British Airways Logo
17:05 - 00:00LHR-IST
3h 55mdirect
British Airways Logo
18:40 - 19:55IST-LHR
4h 15mdirect
£151British Airways
Find Deal
Tue, 11 Nov - Tue, 25 Nov
British Airways Logo
17:55 - 00:50LHR-IST
3h 55mdirect
British Airways Logo
08:15 - 09:45IST-LHR
4h 30mdirect
£152British Airways
Find Deal
Mon, 9 Feb - Mon, 2 Mar
Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
Logo
04:20 - 10:30IST-LHR
8h 10m1 stop
£160
Find Deal
Mon, 13 Oct - Wed, 22 Oct
Logo
20:25 - 16:55LHR-IST
17h 30m1 stop
Logo
04:50 - 16:35IST-LHR
14h 45m1 stop
£161
Find Deal
Fri, 5 Dec - Sun, 14 Dec
Air France Logo
19:45 - 03:25LHR-IST
5h 40m1 stop
Air France Logo
04:20 - 18:35IST-LHR
16h 15m1 stop
£164Air France
Find Deal
Thu, 4 Sep - Tue, 23 Sep
KLM Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
KLM Logo
06:10 - 10:45IST-LHR
6h 35m1 stop
£165KLM
Find Deal
Fri, 19 Sep - Sat, 4 Oct
KLM Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
KLM Logo
06:10 - 10:45IST-LHR
6h 35m1 stop
£169KLM
Find Deal
Thu, 9 Oct - Tue, 14 Oct
Turkish Airlines Logo
18:20 - 00:05LHR-IST
3h 45mdirect
Turkish Airlines Logo
13:05 - 15:05IST-LHR
4h 00mdirect
£186Turkish Airlines
Find Deal
Wed, 17 Sep - Wed, 24 Sep
Turkish Airlines Logo
06:30 - 12:25LHR-IST
3h 55mdirect
Turkish Airlines Logo
14:45 - 16:40IST-LHR
3h 55mdirect
£191Turkish Airlines
Find Deal
Thu, 4 Sep - Tue, 23 Sep

KLM flights from London Heathrow Airport to Istanbul Airport

Our best KLM deals on London Heathrow Airport to Istanbul Airport flight tickets
KLM
19 Sept
LHR17:10London Heathrow
6h 10m
1 stop
IST01:20Istanbul
4 Oct
IST06:10Istanbul
6h 35m
1 stop
LHR10:45London Heathrow
£165
Find similar
KLM
9 Oct
LHR17:10London Heathrow
6h 10m
1 stop
IST01:20Istanbul
14 Oct
IST06:10Istanbul
6h 35m
1 stop
LHR10:45London Heathrow
£169
Find similar
KLM
26 Sept
LHR17:10London Heathrow
6h 10m
1 stop
IST01:20Istanbul
3 Oct
IST17:05Istanbul
5h 50m
1 stop
LHR20:55London Heathrow
£170
Find similar

Turkish Airlines flights from London Heathrow Airport to Istanbul Airport

Our best Turkish Airlines deals on London Heathrow Airport to Istanbul Airport flight tickets
Turkish Airlines
17 Sept
LHR18:20London Heathrow
3h 45m
IST00:05Istanbul
24 Sept
IST13:05Istanbul
4h 00m
LHR15:05London Heathrow
£186
Find similar
Turkish Airlines
4 Sept
LHR06:30London Heathrow
3h 55m
IST12:25Istanbul
23 Sept
IST14:45Istanbul
3h 55m
LHR16:40London Heathrow
£191
Find similar
Turkish Airlines
19 Aug
LHR18:30London Heathrow
3h 50m
IST00:20Istanbul
7 Sept
IST07:45Istanbul
4h 05m
LHR09:50London Heathrow
£233
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Istanbul Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 13 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 11/11

06:55-13:50

Nonstop3h 55m

Istanbul

Tue 2/12

18:40-19:55

Nonstop4h 15m

£150

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 11/11

17:05-00:00

Nonstop3h 55m

Istanbul

Tue 25/11

18:40-19:55

Nonstop4h 15m

£151

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 9/2

17:55-00:50

Nonstop3h 55m

Istanbul

Mon 2/3

08:15-09:45

Nonstop4h 30m

£152

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 13/10

17:10-01:20

1 stop6h 10m

Istanbul

Wed 22/10

04:20-10:30

1 stop8h 10m

£160

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

20:25-16:55

1 stop17h 30m

Istanbul

Sun 14/12

04:50-16:35

1 stop14h 45m

£161

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 4/9

19:45-03:25

1 stop5h 40m

Istanbul

Tue 23/9

04:20-18:35

1 stop16h 15m

£164

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 19/9

17:10-01:20

1 stop6h 10m

Istanbul

Sat 4/10

06:10-10:45

1 stop6h 35m

£165

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 9/10

17:10-01:20

1 stop6h 10m

Istanbul

Tue 14/10

06:10-10:45

1 stop6h 35m

£169

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 17/9

18:20-00:05

Nonstop3h 45m

Istanbul

Wed 24/9

13:05-15:05

Nonstop4h 00m

£186

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 4/9

06:30-12:25

Nonstop3h 55m

Istanbul

Tue 23/9

14:45-16:40

Nonstop3h 55m

£191

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Istanbul from

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

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

What is the cheapest month to fly to Istanbul Airport?

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 £153. 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 £159.

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

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 £512. The most expensive day to fly to Istanbul Airport is Saturday, with ticket prices averaging around £568.

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

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 £318 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 £516 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.

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 Airport?

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 £218 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 £198 on momondo.

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.

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

As of August 2025, prices for London Heathrow Airport to Istanbul Airport flights are approximately 52% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Istanbul Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Istanbul Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

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

Best price found

£94

Fastest flight time

3h 45m

Direct flights

Every day
The best one-way flight to Istanbul Airport from London Heathrow Airport in the past 72 hours is £94. The best return flight deal from London Heathrow Airport to Istanbul Airport found on momondo in the last 72 hours is £150.
The fastest flight from London Heathrow Airport to Istanbul Airport takes 3h 45m
Direct flights go from London Heathrow Airport to Istanbul Airport every day.
Search flight deals

  • How far is London Heathrow to Istanbul by plane?

    The straight-line distance from London Heathrow to Istanbul is 1544.7 mi. Flights usually cover this in 3h 45m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    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.

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

    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.

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

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

Best airlines flying from London Heathrow Airport to Istanbul Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Istanbul Airport with momondo
Airline
Rating
Free Cancellation
Price
Wizz AirPriceFrom £47Free CancellationRating
6.0
145 reviews
Search Wizz Air flights
Pegasus AirlinesPriceFrom £62Free CancellationRating
6.7
636 reviews
Search Pegasus Airlines flights
AjetPriceFrom £75Free CancellationRating
6.1
13 reviews
Search Ajet flights
Air SerbiaPriceFrom £105Free CancellationRating
6.2
199 reviews
Search Air Serbia flights
Air FrancePriceFrom £118Free CancellationRating
7.4
1,467 reviews
Search Air France flights
Aegean AirlinesPriceFrom £121Free CancellationRating
8.1
781 reviews
Search Aegean Airlines flights
KM Malta AirlinesPriceFrom £126Free CancellationRating
7.2
67 reviews
Search KM Malta Airlines flights
British AirwaysPriceFrom £127Free CancellationRating
6.6
7,265 reviews
Search British Airways flights
LOTPriceFrom £150Free CancellationRating
7.6
1,107 reviews
Search LOT flights
KLMPriceFrom £155Free CancellationRating
7.8
1,381 reviews
Search KLM flights

  • Turkish Airlines Flights From London Heathrow Airport to Istanbul Airport

    Turkish Airlines is one of the most popular airlines flying from London Heathrow Airport to Istanbul Airport, operating 37 flights/week on average for this route. A good Turkish Airlines flight deal for London Heathrow Airport to Istanbul Airport starts from £210 round-trip, up to an average price of £313. Our users have rated Turkish Airlines at 7.3/10.

  • British Airways Flights From London Heathrow Airport to Istanbul Airport

    British Airways (6.6/10 from 7,265 reviews) operates around 5 flights from London Heathrow Airport to Istanbul Airport in any given week. The average British Airways airfare for this route is around £267, with deals from around £171 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to Istanbul Airport flight searches in the last 72 hours.

Travelling to a place near Istanbul?

Book flights to Istanbul if you plan to visit one of these locations
Yalova

Why use momondo?

Why should I use momondo to find a flight deal from London to Istanbul?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Istanbul for you.

Can I find flights from London to Istanbul with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Istanbul from London with this policy.

How can momondo help me find flights from London to Istanbul?

momondo helps you find the best flight between London and Istanbul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Istanbul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Istanbul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Istanbul Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 18/8
Mon 25/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Istanbul

Popular Cities in Turkey

Popular flights according to clicks in the last 7 days on momondo
Flights to Istanbul Sabiha Gokcen Airportfrom £82