Cheap flights from London to Istanbul from £40

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IST
4 Jun — 11 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Istanbul are usually found in January or November, booked 62 days in advance, depart on a Monday or Sunday and return on a Thursday

Cheap flight deals from London to Istanbul

Enter your travel dates to find the best prices.

Cheapest flights from London to Istanbul
Explore the most affordable flight options available from London to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 May 2026.

Tue 23/607:05
LTN
-
IST
Nonstop4h 05m
Wizz Air
Wed 1/713:50
IST
-
LTN
Nonstop4h 05m
Wizz Air
Deal found 30/4£82
Wed 6/516:05
STN
-
SAW
Nonstop3h 50m
Ajet
Thu 7/513:00
SAW
-
STN
Nonstop4h 05m
Ajet
Deal found 30/4£82
Tue 9/613:30
LGW
-
IST
Nonstop4h 00m
Wizz Air
Wed 10/620:10
IST
-
LGW
Nonstop4h 10m
Wizz Air
Deal found 1/5£82
Tue 23/607:05
LTN
-
IST
Nonstop4h 05m
Wizz Air
Fri 3/713:50
IST
-
LTN
Nonstop4h 05m
Wizz Air
Deal found 30/4£83
Tue 23/613:35
LGW
-
IST
Nonstop4h 00m
Wizz Air
Wed 24/620:15
IST
-
LGW
Nonstop4h 05m
Wizz Air
Deal found 3/5£83
Tue 16/607:05
LTN
-
IST
Nonstop4h 05m
Wizz Air
Tue 23/613:50
IST
-
LTN
Nonstop4h 05m
Wizz Air
Deal found 2/5£83
Tue 16/613:30
LGW
-
IST
Nonstop4h 00m
Wizz Air
Mon 29/620:10
IST
-
LGW
Nonstop4h 05m
Wizz Air
Deal found 30/4£83
Sat 13/607:05
LTN
-
IST
Nonstop4h 05m
Wizz Air
Thu 25/613:50
IST
-
LTN
Nonstop4h 05m
Wizz Air
Deal found 4/5£84
Sun 7/609:30
STN
-
SAW
Nonstop3h 45m
Multiple Airlines
Sat 13/613:00
SAW
-
STN
Nonstop4h 05m
Multiple Airlines
Deal found 30/4£84
Sat 31/1006:50
LTN
-
IST
Nonstop4h 00m
Wizz Air
Wed 18/1114:30
IST
-
LTN
Nonstop4h 05m
Wizz Air
Deal found 4/5£85
Sat 20/613:35
LGW
-
IST
Nonstop3h 50m
Wizz Air
Mon 29/620:10
IST
-
LGW
Nonstop4h 05m
Wizz Air
Deal found 4/5£85
Thu 18/607:05
LTN
-
IST
Nonstop4h 05m
Wizz Air
Tue 23/613:50
IST
-
LTN
Nonstop4h 05m
Wizz Air
Deal found 1/5£86

Find flight deals from London to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Istanbul (TR5). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 May 2026.

Round-trip from

£82

One-way from

£40

Popular in

July

Cheapest in

January

Average price

£159
Wizz Air
  • Wizz Air
  • 23/6-1/7
  • Nonstop
  • 8h 10m total
  • London to Istanbul
Wizz Air
  • Wizz Air
  • 10/6
  • Nonstop
  • 4h 05m total
  • London to Istanbul
Highest demand for flights based on searches. 26% potential increase in price (£40 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Istanbul 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, Cheapflights users made 858,174 searches. Data last updated 5 May 2026.
Use the filters below to find and compare flights from London to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonIstanbul

LGW - IST

LGWIST

London Gatwick

Tue 9/6

13:30-19:30

Nonstop4h 00m

Istanbul

Wed 10/6

20:10-22:20

Nonstop4h 10m

£82

LondonIstanbul

LTN - IST

LTNIST

London Luton

Sat 27/6

07:05-13:10

Nonstop4h 05m

Istanbul

Mon 29/6

13:50-15:55

Nonstop4h 05m

£88

LondonIstanbul

LGW - IST

LGWIST

London Gatwick

Wed 24/6

13:30-19:30

Nonstop4h 00m

Istanbul

Sun 28/6

20:15-22:20

Nonstop4h 05m

£91

LondonIstanbul

LTN - IST

LTNIST

London Luton

Fri 19/6

07:05-13:10

Nonstop4h 05m

Istanbul

Thu 25/6

13:50-16:00

Nonstop4h 10m

£92

LondonIstanbul

LGW - IST

LGWIST

London Gatwick

Mon 15/6

13:30-19:30

Nonstop4h 00m

Istanbul

Mon 22/6

20:10-22:15

Nonstop4h 05m

£92

LondonIstanbul

LGW - IST

LGWIST

London Gatwick

Mon 22/6

13:30-19:30

Nonstop4h 00m

Istanbul

Fri 26/6

20:10-22:20

Nonstop4h 10m

£92

LondonIstanbul

LGW - IST

LGWIST

London Gatwick

Fri 19/6

13:30-19:30

Nonstop4h 00m

Istanbul

Fri 26/6

20:10-22:20

Nonstop4h 10m

£97

LondonIstanbul

LGW - SAW

LGWSAW

London Gatwick

Tue 16/6

15:20-21:15

Nonstop3h 55m

Istanbul Sabiha Gokcen

Fri 19/6

11:35-13:55

Nonstop4h 20m

£109

LondonIstanbul

LGW - SAW

LGWSAW

London Gatwick

Sat 20/6

15:20-21:15

Nonstop3h 55m

Istanbul Sabiha Gokcen

Sun 21/6

11:30-13:50

Nonstop4h 20m

£109

LondonIstanbul

LGW - SAW

LGWSAW

London Gatwick

Sat 20/6

15:20-21:15

Nonstop3h 55m

Istanbul Sabiha Gokcen

Tue 23/6

11:55-14:15

Nonstop4h 20m

£111

Flights are sorted by cheapest return flights first.

Deals found on 2/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

The price you pay for your flight from London to Istanbul may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from London to Istanbul (average of £100). Flying from London to Istanbul in July is currently the most expensive (average of £272). 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 LON to IST?

Find hourly flight availability from London to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 May 2026.

When flying from London to Istanbul, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 35% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly return from London to Istanbul. Price data was last updated on 2 May 2026.

Travellers seeking maximum savings on their London to Istanbul flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Istanbul

Explore weekly flight availability from London to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 5 May 2026.

The most flights from LON to TR5 are scheduled on a Monday (65 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (33 on average).

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

How often are flights from London to Istanbul delayed?

About 13% of weekly flights between London and Istanbul have experienced delays in the past year, with the average delay time being 125 minutes.

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

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Istanbul flights?

Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated 5 May 2026.
Get a feel of what it's like to fly with Turkish Airlines,Pegasus Airlines, andBritish Airways from London to Istanbul by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Overall

7.4

Boarding

7.3

Comfort

7.3

Crew

7.8

Food

7.5

Reviews

1 / 20
10.0
Excellent

Jim,Apr 2026

SEA - IST

Very comfortable flight. Service from the cabin crew was outstanding and the food was excellent.

Entertainment

7.5

Overall

7.4

Boarding

7.3

Comfort

7.3

Crew

7.8

Food

7.5

Reviews

1 / 20
10.0
Excellent

Jim,Apr 2026

SEA - IST

Very comfortable flight. Service from the cabin crew was outstanding and the food was excellent.

Entertainment

7.5

Overall

7.4

Boarding

7.3

Comfort

7.3

Crew

7.8

Food

7.5

Reviews

1 / 20
10.0
Excellent

Jim,Apr 2026

SEA - IST

Very comfortable flight. Service from the cabin crew was outstanding and the food was excellent.

Entertainment

7.5

Overall

7.4

Boarding

7.3

Comfort

7.3

Crew

7.8

Food

7.5

Reviews

1 / 20
10.0
Excellent

Jim,Apr 2026

SEA - IST

Very comfortable flight. Service from the cabin crew was outstanding and the food was excellent.

Entertainment

7.5

Overall

7.4

Boarding

7.3

Comfort

7.3

Crew

7.8

Food

7.5

Reviews

1 / 20
10.0
Excellent

Jim,Apr 2026

SEA - IST

Very comfortable flight. Service from the cabin crew was outstanding and the food was excellent.

Related info for your journey

Find useful and relevant information for your journey from London to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from London to Istanbul?

    There are many flights that can get you from London to Istanbul in 3h 55m. Fly via Wizz Air, Pegasus Airlines, or Turkish Airlines to get the fastest option. The distance from London to Istanbul is about 1567 mi. Most flights are nonstop.

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

    Ajet, at £34, was found to be the cheapest airline from London to Istanbul.Alternate airlines flying return to your destination include Pegasus Airlines and Wizz Air. Users have found that Ajet is 77% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Wizz Air. According to our data, you can fly for as low as £23. Users have also found prices from £34 and £36 on Ajet and Pegasus Airlines, respectively.

  • What are the most popular routes from London to Istanbul?

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Istanbul on time: Icelandair (97%), Avianca (93%), American Airlines (92%).

  • What are the cheapest flights from London to Istanbul?

    Looking at all options, your cheapest flight can be booked for £118. While the most popular route (London Heathrow - Istanbul) can be booked for £162 on average, our data indicates £839 when flying from London to Istanbul.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from London to Istanbul (average of £100). Flying from London to Istanbul in July is currently the most expensive (average of £272). 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 are the most eco-friendly airlines from London to Istanbul?

    Turkish Airlines offer direct flights for this route to Istanbul from London and thereby promote sustainable travel. Booking a direct flight to cover the short four-hour trip is the best way to contribute to eco-friendly flying. You will be making an eco-conscious choice by booking with this airline as they are Turkey's leading environmental carriers. Their contribution starts on the ground. The airline has developed a program that recycles and replenishes soil in the aircraft maintenance and repair sector. This program turns their waste into useable farming material that is non-hazardous. The airline also runs community programs that teach the local people how to live and work more sustainably.

  • How can I fly more sustainably from London to Istanbul?

    Turkish Airlines does have the option of green aeroplanes in its fleet, the best way to make sure your flight is making use of those aircraft is to untick all other planes on the "Aircraft" filter tab of the Cheapflights website. Select the Airbus A320neo, A350-900 or the Boeing 787-9 crafts which are newer more fuel-efficient aircrafts, reducing your carbon footprint by at least 25%. Booking an economy class ticket also helps reduce your personal carbon footprint by 50%, and Turkish Airlines have a world-class economy class standard for their flights. They offer free meals, on board entertainment and comfortable seats, meaning you will not be compromising on luxury by booking an economy class ticket with this airline. Remember to pack your own earphones and take them off the aeroplane with you to continue using to further reduce your contribution to unnecessary waste on board.

See more FAQs

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Alternative routes for London to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to Istanbul

Discover the top 10 airlines that operate flights from London to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
AjetCheapest£34Average£142FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Pegasus AirlinesCheapest£39Average£139FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Wizz AirCheapest£52Average£137FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Air FranceCheapest£90Average£178FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aegean AirlinesCheapest£92Average£223FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air SerbiaCheapest£95Average£172FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
KM Malta AirlinesCheapest£125Average£169FlexibilityNo cancel feeOn-time86%
Search KM Malta Airlines flights
Turkish AirlinesCheapest£127Average£226FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest£142Average£249FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£152Average£347FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find London to Istanbul flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Istanbul from London.

Can Cheapflights find flights from London to Istanbul with no change fees?

Certainly. Search results for flights to Istanbul from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Istanbul become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Istanbul from London today and book when prices fit your budget.

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