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Cheap flights from London to Istanbul from €115

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 to Istanbul departing on 2/1. 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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Cheap return flights

British Airways Logo
17:30 - 00:25LHR-IST
3h 55mdirect
British Airways Logo
08:20 - 09:50IST-LHR
4h 30mdirect
€178British Airways
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Thu, 27 Nov - Sun, 7 Dec
British Airways Logo
18:15 - 01:10LHR-IST
3h 55mdirect
British Airways Logo
18:40 - 19:55IST-LHR
4h 15mdirect
€178British Airways
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Fri, 5 Dec - Mon, 15 Dec
Logo
20:25 - 16:55LHR-IST
17h 30m1 stop
Logo
04:50 - 13:45IST-LHR
11h 55m1 stop
€185
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Fri, 5 Dec - Sun, 14 Dec
Logo
20:25 - 16:55LHR-IST
17h 30m1 stop
Logo
04:50 - 13:45IST-LHR
11h 55m1 stop
€187
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Fri, 5 Dec - Sun, 14 Dec
KLM Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
KLM Logo
06:10 - 10:45IST-LHR
6h 35m1 stop
€190KLM
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Thu, 18 Sep - Wed, 24 Sep
KLM Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
KLM Logo
17:05 - 20:55IST-LHR
5h 50m1 stop
€191KLM
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Mon, 15 Sep - Mon, 22 Sep
Turkish Airlines Logo
16:40 - 23:35LHR-IST
3h 55mdirect
Turkish Airlines Logo
15:10 - 16:10IST-LHR
4h 00mdirect
€216Turkish Airlines
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Sat, 1 Nov - Tue, 11 Nov
Turkish Airlines Logo
18:00 - 23:55LHR-IST
3h 55mdirect
Turkish Airlines Logo
20:30 - 22:25IST-LHR
3h 55mdirect
€220Turkish Airlines
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Thu, 4 Sep - Tue, 23 Sep
Aegean Airlines Logo
22:15 - 09:50LHR-IST
9h 35m1 stop
Aegean Airlines Logo
10:40 - 21:10IST-LHR
12h 30m1 stop
€231Aegean Airlines
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Sat, 18 Oct - Sat, 25 Oct
Aegean Airlines Logo
22:15 - 15:00LHR-IST
14h 45m1 stop
Aegean Airlines Logo
10:40 - 21:10IST-LHR
12h 30m1 stop
€232Aegean Airlines
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Tue, 7 Oct - Sat, 25 Oct

Turkish Airlines flights from London to Istanbul Airport

Our best Turkish Airlines deals on London to Istanbul Airport flight tickets
Turkish Airlines
1 Nov
LHR16:40London Heathrow
3h 55m
IST23:35Istanbul
11 Nov
IST15:10Istanbul
4h 00m
LHR16:10London Heathrow
€216
Find similar
Turkish Airlines
4 Sept
LHR18:00London Heathrow
3h 55m
IST23:55Istanbul
23 Sept
IST20:30Istanbul
3h 55m
LHR22:25London Heathrow
€220
Find similar
Turkish Airlines
19 Sept
LHR19:05London Heathrow
3h 55m
IST01:00Istanbul
5 Oct
IST09:45Istanbul
4h 00m
LHR11:45London Heathrow
€232
Find similar

British Airways flights from London to Istanbul Airport

Our best British Airways deals on London to Istanbul Airport flight tickets
British Airways
27 Nov
LHR17:30London Heathrow
3h 55m
IST00:25Istanbul
7 Dec
IST08:20Istanbul
4h 30m
LHR09:50London Heathrow
€178
Find similar
British Airways
5 Dec
LHR18:15London Heathrow
3h 55m
IST01:10Istanbul
15 Dec
IST18:40Istanbul
4h 15m
LHR19:55London Heathrow
€178
Find similar
British Airways
4 Dec
LHR06:40London Heathrow
3h 55m
IST13:35Istanbul
4 Dec
IST18:40Istanbul
4h 15m
LHR19:55London Heathrow
€206
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London 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 2 August 2025.
Use the filters below to find and compare flights from London to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 27/11

17:30-00:25

Nonstop3h 55m

Istanbul

Sun 7/12

08:20-09:50

Nonstop4h 30m

€178

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

18:15-01:10

Nonstop3h 55m

Istanbul

Mon 15/12

18:40-19:55

Nonstop4h 15m

€178

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

20:25-16:55

1 stop17h 30m

Istanbul

Sun 14/12

04:50-13:45

1 stop11h 55m

€185

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

20:25-16:55

1 stop17h 30m

Istanbul

Sun 14/12

04:50-13:45

1 stop11h 55m

€187

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 18/9

17:10-01:20

1 stop6h 10m

Istanbul

Wed 24/9

06:10-10:45

1 stop6h 35m

€190

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 15/9

17:10-01:20

1 stop6h 10m

Istanbul

Mon 22/9

17:05-20:55

1 stop5h 50m

€191

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 1/11

16:40-23:35

Nonstop3h 55m

Istanbul

Tue 11/11

15:10-16:10

Nonstop4h 00m

€216

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 4/9

18:00-23:55

Nonstop3h 55m

Istanbul

Tue 23/9

20:30-22:25

Nonstop3h 55m

€220

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 18/10

22:15-09:50

1 stop9h 35m

Istanbul

Sat 25/10

10:40-21:10

1 stop12h 30m

€231

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 7/10

22:15-15:00

1 stop14h 45m

Istanbul

Sat 25/10

10:40-21:10

1 stop12h 30m

€232

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 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 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 March, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around €89.

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

The cheapest day to depart from London to Istanbul Airport is on a Tuesday when prices can be found for as low as €127. 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 €831.

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 evening. Flights from London to Istanbul Airport during this time can be as low as €262. Try not to purchase tickets in the afternoon because they tend to be around €611. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to Istanbul flight route?

Fly from London Gatwick to Istanbul for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around €257 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 for as low as €238 on momondo.

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

There are 2 cabin classes available to choose from on London 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 to Istanbul Airport flights?

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

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

As of August 2025, prices for London to Istanbul Airport flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from London to Istanbul Airport

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

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

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

Best price found

€115

Fastest flight time

3h 50m

Direct flights

Every day
The best one-way flight to Istanbul Airport from London in the past 72 hours is €115. The best return flight deal from London to Istanbul Airport found on momondo in the last 72 hours is €178.
The fastest flight from London to Istanbul Airport takes 3h 50m
Direct flights go from London to Istanbul Airport every day.
Search flight deals

  • How far is London to Istanbul by plane?

    London and Istanbul are 2464.8 km apart from one another. Typically, this will take 3h 50m by plane in normal conditions.

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

    Prices for flights from London to Istanbul Airport were last updated today.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London 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 to Istanbul Airport?

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Istanbul from London.

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

Yes. All flights to Istanbul from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Istanbul from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Istanbul from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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.
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