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Cheap flights from Istanbul Airport to London from C$ 122

IST — LON
18 Oct — 25 Oct1
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 Friday and return on a Tuesday

Cheap flight deals from Istanbul to London

Enter your travel dates to find the best prices.

Cheapest flights from Istanbul to London

Fri 27/116:45 p.m. -
Nonstop4h 10m
Mon 30/115:55 p.m. -
Nonstop3h 55m
Deal found 14/9C$ 260
Thu 26/117:40 a.m. -
Nonstop4h 25m
Sun 29/116:15 p.m. -
Nonstop3h 55m
Deal found 17/9C$ 266
Thu 12/116:35 p.m. -
Nonstop4h 10m
Wed 18/116:05 p.m. -
Nonstop3h 55m
Deal found 16/9C$ 274
Tue 1/126:35 p.m. -
Nonstop4h 10m
Sun 6/1210:10 a.m. -
Nonstop4h 00m
Deal found 17/9C$ 283
Sat 28/115:25 a.m. -
1 stop9h 55m
Mon 30/111:20 p.m. -
1 stop12h 20m
Deal found 16/9C$ 305
Thu 26/117:40 a.m. -
Nonstop4h 25m
Tue 1/125:10 p.m. -
Nonstop3h 55m
Deal found 14/9C$ 306
Wed 11/117:40 a.m. -
Nonstop4h 25m
Wed 18/116:05 p.m. -
Nonstop3h 55m
Deal found 14/9C$ 312
Fri 9/108:30 p.m. -
Nonstop4h 00m
Sun 11/107:05 p.m. -
Nonstop3h 50m
Deal found 16/9C$ 315
Wed 7/105:50 p.m. -
1 stop6h 20m
Tue 13/105:50 p.m. -
1 stop6h 15m
Deal found 17/9C$ 318
Tue 6/101:55 p.m. -
1 stop6h 00m
Fri 30/109:50 a.m. -
1 stop9h 55m
Deal found 17/9C$ 432
Wed 7/101:55 p.m. -
1 stop6h 00m
Tue 13/109:15 a.m. -
1 stop10h 10m
Deal found 17/9C$ 491
Wed 7/101:55 p.m. -
1 stop6h 00m
Wed 14/109:15 a.m. -
1 stop10h 00m
Deal found 16/9C$ 498

Find flight deals from Istanbul to London

Round-trip from

C$ 260

One-way from

C$ 122

Popular in

July

Cheapest in

February

Average price

C$ 259

Good round-trip deal

C$ 569 or less

Good one-way deal

C$ 75 or less
British Airways
  • British Airways
  • 27/11-30/11
  • Nonstop
  • 8h 05m total
  • Istanbul to London
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British Airways
  • British Airways
  • 10/11-31/12
  • Nonstop
  • 4h 25m total
  • Istanbul to London
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Highest demand for flights based on searches. 29% potential increase in price (C$ 126 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease (C$ 25 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Istanbul to London (LON).
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Price to beat on a one-way flight from Istanbul to London (LON).
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Cheapflights Fare Finder

 
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 Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Wed 13/1

6:50 p.m.-8:00 p.m.

Nonstop4h 10m

London Heathrow

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 132

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Mon 15/3

3:25 p.m.-4:40 p.m.

Nonstop4h 15m

London Heathrow

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 133

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Sat 28/11

7:40 a.m.-9:05 a.m.

Nonstop4h 25m

London Heathrow

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 138

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Tue 9/3

2:55 p.m.-4:10 p.m.

Nonstop4h 15m

London Heathrow

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 138

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Wed 10/2

3:00 p.m.-4:15 p.m.

Nonstop4h 15m

London Heathrow

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 138

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Tue 16/3

6:35 p.m.-7:45 p.m.

Nonstop4h 10m

London Heathrow

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 138

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Thu 12/11

6:35 p.m.-7:45 p.m.

Nonstop4h 10m

London Heathrow

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 138

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Mon 9/11

8:25 a.m.-9:50 a.m.

Nonstop4h 25m

London Heathrow

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 161

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Mon 16/11

5:45 p.m.-12:20 p.m.

1 stop21h 35m

London Heathrow

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 165

IstanbulLondon

IST Istanbul - LHR London Heathrow

ISTLHR

Istanbul

Thu 5/11

5:25 a.m.-12:20 p.m.

1 stop9h 55m

London Heathrow

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 165

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

Showing 1-10 of 43 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

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$ 176). Flying from Istanbul Airport to London in August is currently the most expensive (average of C$ 452). 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?

Unlike in the morning, when flights are generally more expensive, you can save up to 46% on flights from Istanbul Airport to London by exploring options for tickets in the afternoon.

Weekly flight availability from Istanbul Airport to London

The most flights from IST to LON are scheduled on a Wednesday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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$ 187 and C$ 399 in November.
The cheapest round-trip price found within the last 5 days was C$ 260 on British Airways (27 Nov-30 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 109 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?

Thursday 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 10% 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?

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

  • How long is the flight from Istanbul Airport to London?

    Airlines like British Airways, Air Serbia, and Lufthansa fly from Istanbul Airport to London in about 4h 10m. The time it takes to get you to your destination can typically vary by up to 5h 55m. Airlines will cover a distance of 2486 km. This flight may include one or multiple stops.

  • 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 (88%), British Airways (84%) and United Airlines (67%).

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

    Looking at all options, your cheapest flight can be booked for C$ 357. While the most popular route (Istanbul - London City) can be booked for C$ 954 on average, our data indicates C$ 791 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$ 176). Flying from Istanbul Airport to London in August is currently the most expensive (average of C$ 452). 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

Istanbul to Heathrow flights

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