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Cheap flights from Istanbul Airport to London from C$ 115

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LON
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Istanbul to London are usually found in January or February, booked 55 days in advance, depart on a Wednesday or Friday and return on a Sunday

Cheap 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 15 April 2025.

Round-trip from

C$ 274

One-way from

C$ 115

Popular in

August

Cheapest in

January

Average price

C$ 264

Good round-trip deal

C$ 859 or less

Good one-way deal

C$ 67 or less
British Airways
  • British Airways
  • 14/5-31/5
  • Nonstop
  • 7h 50m total
  • Istanbul to London
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British Airways
  • British Airways
  • 8/7
  • Nonstop
  • 4h 00m total
  • Istanbul to London
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Highest demand for flights based on searches. 40% potential increase in price (C$ 160 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease (C$ 24 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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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Find flight deals from Istanbul to London

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 15 April 2025.

Wed 24/126:40 p.m.IST - LHR
Nonstop4h 20mBritish Airways
Fri 2/16:15 p.m.LHR - IST
Nonstop3h 55mBritish Airways
Deal found 14/4C$ 249
Sat 13/125:30 a.m.IST - LHR
1 stop9h 50mAir Serbia
Wed 17/121:20 p.m.LHR - IST
1 stop24h 30mAir Serbia
Deal found 15/4C$ 303
Fri 23/52:45 p.m.IST - LHR
Nonstop3h 55mTurkish Airlines
Wed 11/66:20 p.m.LHR - IST
Nonstop3h 50mTurkish Airlines
Deal found 15/4C$ 316
Thu 12/65:55 p.m.IST - LHR
1 stop6h 15mLufthansa
Sat 21/67:30 a.m.LHR - IST
1 stop11h 50mLufthansa
Deal found 15/4C$ 367
Thu 22/54:35 a.m.IST - LHR
1 stop15h 20mAegean Airlines
Fri 30/510:15 p.m.LHR - IST
1 stop9h 35mAegean Airlines
Deal found 15/4C$ 380
Wed 24/126:30 a.m.IST - LCY
1 stop5h 55mLufthansa
Fri 2/110:00 a.m.LCY - IST
1 stop9h 45mLufthansa
Deal found 14/4C$ 403
Sun 27/45:30 p.m.IST - LHR
1 stop25h 50mLOT
Thu 1/510:15 a.m.LHR - IST
1 stop24h 50mLOT
Deal found 15/4C$ 540
Sun 27/47:20 a.m.IST - LHR
2 stops17h 20mMultiple Airlines
Thu 1/59:30 a.m.LHR - IST
1 stop25h 35mMultiple Airlines
Deal found 15/4C$ 631
Tue 10/67:35 a.m.IST - LCY
1 stop10h 40mITA Airways
Wed 18/64:50 p.m.LCY - IST
1 stop19h 45mITA Airways
Deal found 15/4C$ 637

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 15 April 2025.
Use the filters below to find and compare flights from Istanbul Airport to London that are best for you.

Fly from

Istanbul

Fly to

London

Route

Depart

Return

Price

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 14/5

5:35 p.m.-7:35 p.m.

Nonstop4h 00m

London Heathrow

Sat 31/5

6:30 p.m.-12:20 a.m.

Nonstop3h 50m

C$ 274

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 11/6

3:40 p.m.-12:30 p.m.

1 stop22h 50m

London Heathrow

Sun 15/6

7:25 p.m.-3:50 p.m.

1 stop18h 25m

C$ 309

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 23/5

2:45 p.m.-4:40 p.m.

Nonstop3h 55m

London Heathrow

Wed 11/6

6:20 p.m.-12:10 a.m.

Nonstop3h 50m

C$ 316

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 12/6

5:55 p.m.-10:10 p.m.

1 stop6h 15m

London Heathrow

Sat 21/6

7:30 a.m.-9:20 p.m.

1 stop11h 50m

C$ 367

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 22/5

4:35 a.m.-5:55 p.m.

1 stop15h 20m

London Heathrow

Fri 30/5

10:15 p.m.-9:50 a.m.

1 stop9h 35m

C$ 380

IstanbulLondon

IST - LCY

ISTLCY

Istanbul

Thu 15/5

2:00 p.m.-6:35 p.m.

1 stop6h 35m

London City

Mon 19/5

8:45 a.m.-9:20 p.m.

1 stop10h 35m

C$ 426

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sun 27/4

5:30 p.m.-5:20 p.m.

1 stop25h 50m

London Heathrow

Thu 1/5

10:15 a.m.-1:05 p.m.

1 stop24h 50m

C$ 540

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sun 27/4

7:20 a.m.-10:40 p.m.

2 stops17h 20m

London Heathrow

Thu 1/5

9:30 a.m.-1:05 p.m.

1 stop25h 35m

C$ 631

IstanbulLondon

IST - LCY

ISTLCY

Istanbul

Tue 10/6

7:35 a.m.-4:15 p.m.

1 stop10h 40m

London City

Wed 18/6

4:50 p.m.-2:35 p.m.

1 stop19h 45m

C$ 637

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 8/7

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

Nonstop4h 00m

C$ 115

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Showing 1-10 of 28 results
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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 11 April 2025.

The best time to book flights from Istanbul Airport to London is 55 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, January is the cheapest month in which you can book a flight from Istanbul Airport to London (average of C$ 560). Flying from Istanbul Airport to London in July is currently the most expensive (average of C$ 874). 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 15 April 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 6% 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 30 March 2025.

Travelers seeking maximum savings on their Istanbul Airport to London flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday at noon 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 15 April 2025.

The most flights from IST to LON are scheduled on a Monday (63 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (38 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 15 April 2025.
To help decide which airline to fly from Istanbul to London, see what other customers have to say about Aegean Airlines, KLM and LOT. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
733 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Food

7.3

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very good
733 reviews
Aegean Airlines
8.1
Very good
733 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Food

7.3

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,323 reviews
Aegean Airlines
8.1
Very good
733 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Food

7.3

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,065 reviews
Aegean Airlines
8.1
Very good
733 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Food

7.3

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SAUDIA
7.4
Good
609 reviews
Aegean Airlines
8.1
Very good
733 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Food

7.3

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Turkish Airlines
7.3
Good
3,760 reviews
Aegean Airlines
8.1
Very good
733 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Food

7.3

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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.

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

    Flying on British Airways is currently your cheapest option to London, with prices starting at C$ 274. Additional round-trip tickets that might be worth considering are offered by Air Serbia and Turkish Airlines, with the lowest prices starting at C$ 309 and C$ 316, respectively.

  • 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$ 115 on British Airways. Other airlines that offer cheap prices include Turkish Airlines from C$ 154 and Air Serbia from C$ 164 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 RwandAir (89%), IndiGo (88%) and American Airlines (88%).

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

    Looking at all options, your cheapest flight can be booked for C$ 180. While the most popular route (Istanbul - London Heathrow) can be booked for C$ 788 on average our data indicates C$ 1,203 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, January is the cheapest month in which you can book a flight from Istanbul Airport to London (average of C$ 560). Flying from Istanbul Airport to London in July is currently the most expensive (average of C$ 874). 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 Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
Brentford
Hounslow
Sutton
Slough
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

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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

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

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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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