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Cheap flights from London to Istanbul from £20

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 9/10. 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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Cheap return flights

Wizz Air Logo
21:50 - 03:50LGW-IST
4h 00mdirect
Wizz Air Logo
04:45 - 06:35IST-LGW
3h 50mdirect
£51Wizz Air
Find Deal
Mon, 22 Sep - Wed, 1 Oct
Wizz Air Logo
21:50 - 03:50LGW-IST
4h 00mdirect
Wizz Air Logo
04:45 - 06:35IST-LGW
3h 50mdirect
£51Wizz Air
Find Deal
Mon, 6 Oct - Thu, 9 Oct
KLM Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
KLM Logo
06:10 - 10:45IST-LHR
6h 35m1 stop
£146KLM
Find Deal
Mon, 22 Sep - Wed, 1 Oct
KLM Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
KLM Logo
17:05 - 20:55IST-LHR
5h 50m1 stop
£147KLM
Find Deal
Mon, 22 Sep - Wed, 1 Oct
British Airways Logo
13:20 - 19:15LHR-IST
3h 55mdirect
British Airways Logo
08:25 - 10:35IST-LHR
4h 10mdirect
£153British Airways
Find Deal
Mon, 8 Sep - Wed, 17 Sep
British Airways Logo
17:55 - 00:50LHR-IST
3h 55mdirect
British Airways Logo
07:35 - 09:05IST-LHR
4h 30mdirect
£154British Airways
Find Deal
Mon, 3 Nov - Tue, 25 Nov
Turkish Airlines Logo
18:00 - 00:55LHR-IST
3h 55mdirect
Turkish Airlines Logo
14:55 - 16:05IST-LHR
4h 10mdirect
£159Turkish Airlines
Find Deal
Thu, 6 Nov - Wed, 19 Nov
Turkish Airlines Logo
18:30 - 00:20LHR-IST
3h 50mdirect
Turkish Airlines Logo
20:30 - 22:25IST-LHR
3h 55mdirect
£179Turkish Airlines
Find Deal
Tue, 9 Sep - Thu, 18 Sep
Pegasus Airlines Logo
12:50 - 22:20STN-IST
6h 30m1 stop
Pegasus Airlines Logo
23:00 - 11:50IST-STN
15h 50m1 stop
£187Pegasus Airlines
Find Deal
Thu, 13 Nov - Wed, 19 Nov
Pegasus Airlines Logo
12:50 - 22:20STN-IST
6h 30m1 stop
Pegasus Airlines Logo
23:00 - 11:50IST-STN
15h 50m1 stop
£193Pegasus Airlines
Find Deal
Thu, 8 Jan - Sun, 18 Jan

Wizz Air flights from London to Istanbul Airport

Our best Wizz Air deals on London to Istanbul Airport flight tickets
Wizz Air
22 Sept
LGW21:50London Gatwick
4h 00m
IST03:50Istanbul
1 Oct
IST04:45Istanbul
3h 50m
LGW06:35London Gatwick
£51
Find similar
Wizz Air
6 Oct
LGW21:50London Gatwick
4h 00m
IST03:50Istanbul
9 Oct
IST04:45Istanbul
3h 50m
LGW06:35London Gatwick
£51
Find similar
Wizz Air
7 Oct
LGW21:50London Gatwick
4h 00m
IST03:50Istanbul
24 Oct
IST04:45Istanbul
3h 50m
LGW06:35London Gatwick
£53
Find similar

British Airways flights from London to Istanbul Airport

Our best British Airways deals on London to Istanbul Airport flight tickets
British Airways
8 Sept
LHR13:20London Heathrow
3h 55m
IST19:15Istanbul
17 Sept
IST08:25Istanbul
4h 10m
LHR10:35London Heathrow
£153
Find similar
British Airways
3 Nov
LHR17:55London Heathrow
3h 55m
IST00:50Istanbul
25 Nov
IST07:35Istanbul
4h 30m
LHR09:05London Heathrow
£154
Find similar
British Airways
16 Nov
LHR18:15London Heathrow
3h 55m
IST01:10Istanbul
25 Nov
IST18:40Istanbul
4h 15m
LHR19:55London Heathrow
£155
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 279,928 searches. Data last updated 1 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

LGW - IST

LGWIST

London Gatwick

Mon 22/9

21:50-03:50

Nonstop4h 00m

Istanbul

Wed 1/10

04:45-06:35

Nonstop3h 50m

£51

LondonIstanbul

LGW - IST

LGWIST

London Gatwick

Mon 6/10

21:50-03:50

Nonstop4h 00m

Istanbul

Thu 9/10

04:45-06:35

Nonstop3h 50m

£51

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 22/9

17:10-01:20

1 stop6h 10m

Istanbul

Wed 1/10

06:10-10:45

1 stop6h 35m

£146

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 22/9

17:10-01:20

1 stop6h 10m

Istanbul

Wed 1/10

17:05-20:55

1 stop5h 50m

£147

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 8/9

13:20-19:15

Nonstop3h 55m

Istanbul

Wed 17/9

08:25-10:35

Nonstop4h 10m

£153

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 3/11

17:55-00:50

Nonstop3h 55m

Istanbul

Tue 25/11

07:35-09:05

Nonstop4h 30m

£154

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 6/11

18:00-00:55

Nonstop3h 55m

Istanbul

Wed 19/11

14:55-16:05

Nonstop4h 10m

£159

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 9/9

18:30-00:20

Nonstop3h 50m

Istanbul

Thu 18/9

20:30-22:25

Nonstop3h 55m

£179

LondonIstanbul

STN - IST

STNIST

London Stansted

Thu 13/11

12:50-22:20

1 stop6h 30m

Istanbul

Wed 19/11

23:00-11:50

1 stop15h 50m

£187

LondonIstanbul

STN - IST

STNIST

London Stansted

Thu 8/1

12:50-22:20

1 stop6h 30m

Istanbul

Sun 18/1

23:00-11:50

1 stop15h 50m

£193

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 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 cheapest month to fly to Istanbul Airport?

In general, March is the cheapest month to fly from London to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £76. 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 £77.

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 Monday. Travellers who choose to depart for Istanbul Airport on a Monday will often find tickets for as low as £520. The most expensive day to fly to Istanbul Airport is Saturday, with ticket prices averaging around £579.

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

Flying to Istanbul Airport from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £324 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 £523 on average. Flights to Istanbul Airport from London in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London to Istanbul flight route?

Fly from London Luton 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 £223 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 £206 on momondo.

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

There are 3 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 31% 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

£20

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 £20. The best return flight deal from London to Istanbul Airport found on momondo in the last 72 hours is £51.
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?

    The distance between London and Istanbul is about 1531.5 mi. 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 are refreshed on a daily basis.

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

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

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

Best airlines flying from London to Istanbul Airport

Compare and see reviews for airlines that fly from London to Istanbul Airport with momondo
Airline
Rating
Free Cancellation
Price
Wizz AirPriceFrom £25Free CancellationRating
6.8
1,057 reviews
Search Wizz Air flights
Wizz AirPriceFrom £49Free CancellationRating
6.0
144 reviews
Search Wizz Air flights
Pegasus AirlinesPriceFrom £51Free CancellationRating
6.7
637 reviews
Search Pegasus Airlines flights
AjetPriceFrom £74Free CancellationRating
6.1
13 reviews
Search Ajet flights
Air SerbiaPriceFrom £104Free CancellationRating
6.3
196 reviews
Search Air Serbia flights
British AirwaysPriceFrom £109Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
Air FrancePriceFrom £120Free CancellationRating
7.5
1,465 reviews
Search Air France flights
Aegean AirlinesPriceFrom £132Free CancellationRating
8.1
781 reviews
Search Aegean Airlines flights
LOTPriceFrom £141Free CancellationRating
7.6
1,105 reviews
Search LOT flights
Turkish AirlinesPriceFrom £151Free CancellationRating
7.3
3,933 reviews
Search Turkish Airlines flights

  • Turkish Airlines Flights From London to Istanbul Airport

    Turkish Airlines flies from London to Istanbul Airport around 57 times per week, with 3,933 momondo users rating the airline 7.3/10. The cheapest Turkish Airlines deal from London to Istanbul Airport in the last 72 hours was £200 (round-trip), much lower than the average airfare cost of £329 for Turkish Airlines flights on this route.

  • British Airways Flights From London to Istanbul Airport

    Across 7,222 British Airways reviews on momondo, the average score is 6.6/10. British Airways flies from London to Istanbul Airport about 5 times each week, with ticket deals ranging from £144 to £349. Price data is based on momondo 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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Istanbul . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from London to Istanbul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Istanbul from London.

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

Price alerts on flights to Istanbul from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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
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