Find flights
Deals
When to book
FAQs

Cheap flights from Istanbul Airport to London from C$ 123

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LON
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to London are usually found in February or June, booked 84 days in advance, depart on a Saturday or Monday and return on a Wednesday

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 29 July 2026.

Mon 2/114:40 p.m.
IST
-
LHR
1 stop22h 45m
Air Serbia
Fri 6/111:20 p.m.
LHR
-
IST
1 stop24h 40m
Air Serbia
Deal found 25/7C$ 303
Tue 3/115:30 a.m.
IST
-
LHR
1 stop9h 55m
Air Serbia
Sun 8/111:20 p.m.
LHR
-
IST
1 stop12h 15m
Air Serbia
Deal found 24/7C$ 305
Fri 13/114:40 p.m.
IST
-
LHR
1 stop22h 40m
Air Serbia
Tue 17/111:20 p.m.
LHR
-
IST
1 stop23h 35m
Air Serbia
Deal found 28/7C$ 308
Fri 20/115:30 a.m.
IST
-
LHR
1 stop9h 55m
Air Serbia
Tue 24/111:20 p.m.
LHR
-
IST
1 stop23h 45m
Air Serbia
Deal found 26/7C$ 317
Mon 2/114:40 p.m.
IST
-
LHR
1 stop22h 45m
Air Serbia
Thu 5/111:20 p.m.
LHR
-
IST
1 stop23h 45m
Air Serbia
Deal found 24/7C$ 319
Sun 20/128:20 a.m.
IST
-
LHR
Nonstop4h 30m
British Airways
Fri 25/126:15 p.m.
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 24/7C$ 320
Fri 6/114:40 p.m.
IST
-
LHR
1 stop22h 40m
Air Serbia
Thu 12/111:20 p.m.
LHR
-
IST
1 stop23h 35m
Air Serbia
Deal found 28/7C$ 322
Wed 16/93:45 a.m.
IST
-
LHR
1 stop6h 30m
Lufthansa
Tue 29/94:25 p.m.
LHR
-
IST
1 stop7h 40m
Lufthansa
Deal found 28/7C$ 323
Tue 10/116:40 p.m.
IST
-
LHR
Nonstop4h 15m
British Airways
Sun 15/116:15 p.m.
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 27/7C$ 326
Thu 12/116:40 p.m.
IST
-
LHR
Nonstop4h 15m
British Airways
Tue 17/115:05 p.m.
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 28/7C$ 327
Fri 13/116:40 p.m.
IST
-
LHR
Nonstop4h 15m
British Airways
Wed 18/116:05 p.m.
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 26/7C$ 329
Tue 1/126:30 a.m.
IST
-
LCY
1 stop14h 10m
Lufthansa
Thu 10/129:50 a.m.
LCY
-
IST
1 stop9h 55m
Lufthansa
Deal found 26/7C$ 428

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 29 July 2026.

Round-trip from

C$ 303

One-way from

C$ 123

Popular in

July

Cheapest in

February

Average price

C$ 405

Good round-trip deal

C$ 1,320 or less

Good one-way deal

C$ 76 or less
Air Serbia
  • Air Serbia
  • 2/11-6/11
  • 2 total stops
  • 35h 00m total
  • Istanbul to London
Search Deals
British Airways
  • British Airways
  • 13/1
  • Nonstop
  • 4h 15m total
  • Istanbul to London
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (C$ 143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Istanbul to London (LON).
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 29 July 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
Quickest round-trip

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 1/10

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

Nonstop4h 00m

London Heathrow

Tue 6/10

6:35 p.m.-12:25 a.m.

Nonstop3h 50m

C$ 323

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 17/9

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

1 stop6h 30m

London Heathrow

Sat 26/9

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

1 stop7h 40m

C$ 329

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 12/10

8:15 p.m.-10:15 p.m.

Nonstop4h 00m

London Heathrow

Thu 15/10

6:35 p.m.-12:25 a.m.

Nonstop3h 50m

C$ 332

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 22/9

5:45 p.m.-7:55 p.m.

Nonstop4h 10m

London Heathrow

Wed 30/9

7:15 p.m.-1:05 a.m.

Nonstop3h 50m

C$ 340

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 1/10

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

Nonstop4h 00m

London Heathrow

Mon 12/10

6:35 p.m.-12:25 a.m.

Nonstop3h 50m

C$ 350

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 30/9

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

1 stop6h 30m

London Heathrow

Tue 6/10

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

1 stop10h 30m

C$ 358

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 17/9

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

Nonstop4h 00m

London Heathrow

Tue 29/9

6:35 p.m.-12:25 a.m.

Nonstop3h 50m

C$ 361

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 22/9

4:25 a.m.-12:30 p.m.

1 stop10h 05m

London Heathrow

Wed 30/9

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

1 stop12h 10m

C$ 389

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 26/10

4:40 p.m.-12:25 p.m.

1 stop22h 45m

London Heathrow

Sun 1/11

1:20 p.m.-4:35 a.m.

1 stop12h 15m

C$ 398

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 9/9

7:25 p.m.-9:25 p.m.

Nonstop4h 00m

London Heathrow

Wed 16/9

7:15 p.m.-1:05 a.m.

Nonstop3h 50m

C$ 412

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5

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

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

Currently, June is the cheapest month in which you can book a flight from Istanbul Airport to London (average of C$ 178). Flying from Istanbul Airport to London in July is currently the most expensive (average of C$ 440). 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 29 July 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 42% on flights from Istanbul Airport to London by exploring options for tickets in the evening.

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 29 July 2026.

The most flights from IST to LON are scheduled on a Tuesday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 on average).

How much does it cost to fly round-trip from Istanbul Airport to London?

Airfare is typical for this route at the moment.
Istanbul Airport to London flights typically cost between C$ 292 and C$ 518 in November.
The cheapest round-trip price found within the last 5 days was C$ 303 on Air Serbia (2 Nov-6 Nov).

How often are flights from Istanbul to London delayed?

About 15% of weekly flights between Istanbul and London have experienced delays in the past year, with the average delay time being 111 minutes.

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

Wednesday 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.

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

The best time to book flights from Istanbul Airport to London is 83 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 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 11 July 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. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 British Airways, Lufthansa, and KLM 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 2h 30m. 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$ 67 on Wizz Air. Other airlines that offer cheap prices include British Airways from C$ 113 and Turkish Airlines from C$ 173 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 (82%), EVA Air (73%) and Sichuan Airlines (73%).

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

    Looking at all options, your cheapest flight can be booked for C$ 570. While the most popular route (Istanbul - London City) can be booked for C$ 962 on average, our data indicates C$ 1,066 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, June is the cheapest month in which you can book a flight from Istanbul Airport to London (average of C$ 178). Flying from Istanbul Airport to London in July is currently the most expensive (average of C$ 440). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Luton
Slough
Marlow
Cobham
Hounslow
Watford
High Wycombe

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.