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Cheap flights from London Heathrow Airport to Istanbul from €105

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 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Istanbul

Cheap return flights

British Airways Logo
07:25 - 14:20LHR-IST
3h 55mdirect
British Airways Logo
08:10 - 09:40IST-LHR
4h 30mdirect
€161British Airways
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Mon, 9 Mar - Fri, 13 Mar
British Airways Logo
07:00 - 13:55LHR-IST
3h 55mdirect
British Airways Logo
14:55 - 16:20IST-LHR
4h 25mdirect
€162British Airways
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Fri, 5 Dec - Tue, 9 Dec
Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Logo
04:50 - 08:00IST-LHR
6h 10m1 stop
€181
Find Deal
Fri, 5 Dec - Sun, 14 Dec
Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Logo
04:50 - 08:00IST-LHR
6h 10m1 stop
€187
Find Deal
Mon, 2 Mar - Wed, 4 Mar
Turkish Airlines Logo
16:40 - 22:40LHR-IST
4h 00mdirect
Turkish Airlines Logo
13:55 - 16:00IST-LHR
4h 05mdirect
€187Turkish Airlines
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Tue, 7 Oct - Thu, 16 Oct
Turkish Airlines Logo
06:30 - 12:25LHR-IST
3h 55mdirect
Turkish Airlines Logo
14:45 - 16:40IST-LHR
3h 55mdirect
€188Turkish Airlines
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Thu, 2 Oct - Wed, 8 Oct
Air Serbia Logo
13:30 - 14:55LHR-IST
23h 25m1 stop
Air Serbia Logo
04:20 - 12:30IST-LHR
10h 10m1 stop
€190Air Serbia
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Tue, 7 Oct - Thu, 9 Oct
Air Serbia Logo
19:55 - 14:55LHR-IST
17h 00m1 stop
Air Serbia Logo
04:20 - 12:30IST-LHR
10h 10m1 stop
€191Air Serbia
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Sat, 4 Oct - Sat, 11 Oct
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
€196KLM
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Thu, 6 Nov - Thu, 13 Nov
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
€204KLM
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Sat, 6 Dec - Wed, 10 Dec

British Airways flights from London Heathrow Airport to Istanbul Airport

Our best British Airways deals on London Heathrow Airport to Istanbul Airport flight tickets
British Airways
9 Mar
LHR07:25London Heathrow
3h 55m
IST14:20Istanbul
13 Mar
IST08:10Istanbul
4h 30m
LHR09:40London Heathrow
€161
Find similar
British Airways
5 Dec
LHR07:00London Heathrow
3h 55m
IST13:55Istanbul
9 Dec
IST14:55Istanbul
4h 25m
LHR16:20London Heathrow
€162
Find similar
British Airways
16 Feb
LHR17:55London Heathrow
3h 55m
IST00:50Istanbul
26 Feb
IST07:35Istanbul
4h 30m
LHR09:05London Heathrow
€163
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
7 Oct
LHR16:40London Heathrow
4h 00m
IST22:40Istanbul
16 Oct
IST13:55Istanbul
4h 05m
LHR16:00London Heathrow
€187
Find similar
Turkish Airlines
2 Oct
LHR06:30London Heathrow
3h 55m
IST12:25Istanbul
8 Oct
IST14:45Istanbul
3h 55m
LHR16:40London Heathrow
€188
Find similar
Turkish Airlines
23 Sept
LHR18:00London Heathrow
3h 55m
IST23:55Istanbul
2 Oct
IST20:30Istanbul
3h 55m
LHR22:25London Heathrow
€198
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 13,528 searches. Data last updated 15 September 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

Mon 9/3

07:25-14:20

Nonstop3h 55m

Istanbul

Fri 13/3

08:10-09:40

Nonstop4h 30m

€161

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

07:00-13:55

Nonstop3h 55m

Istanbul

Tue 9/12

14:55-16:20

Nonstop4h 25m

€162

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

06:30-16:55

1 stop7h 25m

Istanbul

Sun 14/12

04:50-08:00

1 stop6h 10m

€181

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 2/3

06:30-16:55

1 stop7h 25m

Istanbul

Wed 4/3

04:50-08:00

1 stop6h 10m

€187

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 7/10

16:40-22:40

Nonstop4h 00m

Istanbul

Thu 16/10

13:55-16:00

Nonstop4h 05m

€187

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 2/10

06:30-12:25

Nonstop3h 55m

Istanbul

Wed 8/10

14:45-16:40

Nonstop3h 55m

€188

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 7/10

13:30-14:55

1 stop23h 25m

Istanbul

Thu 9/10

04:20-12:30

1 stop10h 10m

€190

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 4/10

19:55-14:55

1 stop17h 00m

Istanbul

Sat 11/10

04:20-12:30

1 stop10h 10m

€191

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 6/11

06:30-16:55

1 stop7h 25m

Istanbul

Thu 13/11

17:55-20:50

1 stop5h 55m

€196

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 6/12

06:30-16:55

1 stop7h 25m

Istanbul

Wed 10/12

17:55-20:50

1 stop5h 55m

€204

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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 €183.

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 Friday when prices can be found for as low as €550. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul Airport on Saturday is €813.

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

Our most recent data shows that the best time of day to fly to Istanbul Airport is in the afternoon. Flights from London Heathrow Airport to Istanbul Airport during this time can be as low as €182. Try not to purchase tickets in the morning because they tend to be around €550. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 €251 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 €228 on momondo.

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

There are 2 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.

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

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

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

As of September 2025, prices for London Heathrow Airport to Istanbul Airport flights are approximately 24% 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

Fastest flight time

3h 45m

Direct flights

Every day
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?

    London Heathrow and Istanbul are 2486.0 km apart from one another. A reasonable flight in good conditions will take 3h 50m.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Istanbul Airport.

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

    The necessary travel and health documents for your Istanbul Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Istanbul. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Istanbul from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Istanbul.

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

If you are not ready to book a flight from London to Istanbul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Istanbul and let you know when they change.

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