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Cheap flights from Istanbul Airport to London from C$ 111

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LON
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to London are usually found in February or November, booked 85 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Istanbul to London

Enter your travel dates to find the best prices.

Cheapest flights from Istanbul to London
Explore the most affordable flight options available from Istanbul to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 March 2026.

Tue 14/43:45 a.m.
IST
-
LHR
1 stop6h 30m
Lufthansa
Thu 23/44:25 p.m.
LHR
-
IST
1 stop7h 40m
Lufthansa
Deal found 14/3C$ 280
Fri 17/43:45 a.m.
IST
-
LHR
1 stop6h 30m
Lufthansa
Fri 8/55:50 p.m.
LHR
-
IST
1 stop6h 15m
Lufthansa
Deal found 13/3C$ 281
Tue 21/43:45 a.m.
IST
-
LHR
1 stop6h 30m
Lufthansa
Tue 28/44:25 p.m.
LHR
-
IST
1 stop7h 40m
Lufthansa
Deal found 12/3C$ 283
Sun 29/32:20 p.m.
IST
-
LHR
Nonstop4h 05m
British Airways
Thu 9/46:15 a.m.
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 14/3C$ 287
Sat 28/36:40 p.m.
IST
-
LHR
Nonstop4h 15m
British Airways
Sun 5/47:00 a.m.
LHR
-
IST
Nonstop4h 00m
British Airways
Deal found 13/3C$ 288
Sat 2/57:55 p.m.
IST
-
LHR
Nonstop4h 00m
British Airways
Wed 6/57:55 a.m.
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 13/3C$ 289
Mon 11/56:00 a.m.
IST
-
LHR
1 stop6h 45m
KLM
Thu 14/55:10 p.m.
LHR
-
IST
1 stop6h 10m
KLM
Deal found 15/3C$ 291
Fri 3/46:00 a.m.
IST
-
LHR
1 stop6h 45m
KLM
Fri 10/45:10 p.m.
LHR
-
IST
1 stop6h 10m
KLM
Deal found 13/3C$ 292
Sat 4/45:50 a.m.
IST
-
LHR
1 stop13h 50m
Lufthansa
Wed 8/41:35 p.m.
LHR
-
IST
1 stop10h 30m
Lufthansa
Deal found 16/3C$ 294
Thu 16/41:55 p.m.
IST
-
LHR
1 stop10h 15m
Lufthansa
Fri 8/55:50 p.m.
LHR
-
IST
1 stop6h 15m
Lufthansa
Deal found 13/3C$ 295
Tue 28/47:55 p.m.
IST
-
LHR
Nonstop4h 00m
British Airways
Fri 8/56:05 a.m.
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 14/3C$ 296
Wed 15/47:25 p.m.
IST
-
LHR
Nonstop4h 00m
British Airways
Thu 23/46:15 a.m.
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 14/3C$ 298

Find flight deals from Istanbul to London

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to London (LON). 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 16 March 2026.

Round-trip from

C$ 280

One-way from

C$ 111

Popular in

July

Cheapest in

February

Average price

C$ 184

Good one-way deal

C$ 48 or less
Lufthansa
  • Lufthansa
  • 14/4-23/4
  • 2 total stops
  • 14h 10m total
  • Istanbul to London
Search Deals
British Airways
  • British Airways
  • 13/5
  • Nonstop
  • 4h 00m total
  • Istanbul to London
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (C$ 122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Istanbul to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Istanbul to London 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 629,999 searches. Data last updated 16 March 2026.
Use the filters below to find and compare flights from Istanbul Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 9/6

5:20 p.m.-8:55 p.m.

1 stop5h 35m

London Heathrow

Sun 14/6

8:40 a.m.-4:20 p.m.

1 stop5h 40m

C$ 288

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 2/5

7:55 p.m.-9:55 p.m.

Nonstop4h 00m

London Heathrow

Wed 6/5

7:55 a.m.-1:50 p.m.

Nonstop3h 55m

C$ 288

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 22/4

3:45 a.m.-3:40 p.m.

1 stop13h 55m

London Heathrow

Sat 25/4

1:35 p.m.-2:05 a.m.

1 stop10h 30m

C$ 306

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 11/5

3:45 a.m.-3:40 p.m.

1 stop13h 55m

London Heathrow

Sat 16/5

9:30 a.m.-9:25 p.m.

1 stop9h 55m

C$ 310
Quickest round-trip

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 3/6

8:25 p.m.-10:25 p.m.

Nonstop4h 00m

London Heathrow

Sat 13/6

1:20 p.m.-7:10 p.m.

Nonstop3h 50m

C$ 322

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 14/5

4:30 a.m.-12:30 p.m.

1 stop10h 00m

London Heathrow

Sat 16/5

1:30 p.m.-3:40 a.m.

1 stop12h 10m

C$ 325

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 14/5

4:40 p.m.-12:30 p.m.

1 stop21h 50m

London Heathrow

Sun 17/5

7:25 p.m.-3:40 a.m.

1 stop6h 15m

C$ 328

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 14/5

8:05 p.m.-10:05 p.m.

Nonstop4h 00m

London Heathrow

Sat 16/5

6:10 a.m.-12:05 p.m.

Nonstop3h 55m

C$ 331

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 14/5

3:45 a.m.-8:15 a.m.

1 stop6h 30m

London Heathrow

Wed 20/5

4:25 p.m.-2:05 a.m.

1 stop7h 40m

C$ 336

IstanbulLondon

IST - LCY

ISTLCY

Istanbul

Wed 22/7

6:00 a.m.-9:30 a.m.

1 stop5h 30m

London City

Thu 27/8

7:45 a.m.-4:20 p.m.

1 stop6h 35m

C$ 347

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Istanbul to London

Have a flexible travel schedule? Discover the best time to fly to London from Istanbul with our price prediction graph.
Estimated round-trip 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 Istanbul Airport to London

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

Use this chart to determine the optimal time to book a round-trip flight from Istanbul to London. Price data was last updated on 13 March 2026.

The best time to book flights from Istanbul Airport to London is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Istanbul Airport to London (average of C$ 81). Flying from Istanbul Airport to London in July is currently the most expensive (average of C$ 158). 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 IST to LON?

Find hourly flight availability from Istanbul to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 March 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 32% on flights from Istanbul Airport to London by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Istanbul to London. Price data was last updated on 14 March 2026.

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

Weekly flight availability from Istanbul Airport to London

Explore weekly flight availability from Istanbul to London. 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 16 March 2026.

The most flights from IST to LON are scheduled on a Monday (60 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (35 on average).

How often are flights from Istanbul to London delayed?

About 16% of weekly flights between Istanbul and London have experienced delays in the past year, with the average delay time being 115 minutes.

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

Historically, flights departing in the evening 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 Istanbul to London flights?

Over the past year, British Airways has had the lowest number of delays on this route, with just 12% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Istanbul to London. 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 Istanbul Airport to London?

    Airlines like KLM, British Airways, and Lufthansa fly from Istanbul Airport to London in about 4h. The time it takes to get you to your destination can typically vary by up to 9h 55m. Airlines will cover a distance of 2486 km. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as C$ 72 on Wizz Air. Other airlines that offer cheap prices include British Airways from C$ 89 and Turkish Airlines from C$ 99 one-way.

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

    The top 3 most reliable airlines when flying from Istanbul Airport to London are American Airlines (97%), British Airways (91%) and EVA Air (86%).

  • What are the cheapest flights from Istanbul Airport to London?

    Looking at all options, your cheapest flight can be booked for C$ 109. While the most popular route (Istanbul - London Heathrow) can be booked for C$ 509 on average, our data indicates C$ 554 when flying from Istanbul Airport to London.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Istanbul Airport to London (average of C$ 81). Flying from Istanbul Airport to London in July is currently the most expensive (average of C$ 158). 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.

See more FAQs

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Alternative routes for Istanbul to London

See prices for flight routes from nearby airports that may be better suited for you.
Istanbul to Heathrow flights

Fly with Cheapflights

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

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

When you search for this flight from Istanbul to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Istanbul to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to London from Istanbul 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 Istanbul to London become cheaper?

Of course! You can now track prices for flights from Istanbul to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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