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Cheap flights from Istanbul Airport to London Heathrow Airport from C$ 112

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LHR
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to London Heathrow are usually found in February or January, booked 39 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from Istanbul to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Istanbul to Heathrow
Explore the most affordable flight options available from Istanbul to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2026.

Wed 3/63:45 p.m.
IST
-
LHR
Nonstop4h 15m
British Airways
Mon 8/66:35 p.m.
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 27/4C$ 294
Thu 4/68:05 p.m.
IST
-
LHR
Nonstop4h 00m
British Airways
Wed 10/67:15 p.m.
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 27/4C$ 295
Wed 10/68:15 a.m.
IST
-
LHR
Nonstop4h 15m
British Airways
Tue 16/66:35 p.m.
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 24/4C$ 298
Thu 4/61:10 p.m.
IST
-
LHR
Nonstop4h 10m
British Airways
Mon 22/66:35 p.m.
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 25/4C$ 299
Mon 8/68:15 p.m.
IST
-
LHR
Nonstop4h 00m
British Airways
Tue 16/66:35 p.m.
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 25/4C$ 300
Mon 15/68:15 p.m.
IST
-
LHR
Nonstop4h 00m
British Airways
Mon 22/66:35 p.m.
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 26/4C$ 303
Wed 3/63:45 p.m.
IST
-
LHR
Nonstop4h 15m
British Airways
Sun 7/68:40 a.m.
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 27/4C$ 305
Mon 1/65:20 p.m.
IST
-
LHR
1 stop5h 35m
KLM
Wed 10/65:10 p.m.
LHR
-
IST
1 stop6h 10m
KLM
Deal found 27/4C$ 306
Wed 13/56:00 a.m.
IST
-
LHR
1 stop9h 50m
KLM
Wed 20/55:10 p.m.
LHR
-
IST
1 stop6h 10m
KLM
Deal found 28/4C$ 307
Mon 20/78:15 p.m.
IST
-
LHR
Nonstop4h 00m
British Airways
Sun 20/97:05 p.m.
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 27/4C$ 310

Find flight deals from Istanbul to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to Heathrow (LHR). 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 April 2026.

Round-trip from

C$ 294

One-way from

C$ 112

Popular in

July

Cheapest in

February

Average price

C$ 428

Good round-trip deal

C$ 644 or less

Good one-way deal

C$ 531 or less
British Airways
  • British Airways
  • 3/6-8/6
  • Nonstop
  • 8h 05m total
  • Istanbul to London
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British Airways
  • British Airways
  • 15/6
  • Nonstop
  • 4h 00m total
  • Istanbul to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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Price to beat on a round-trip flight from Istanbul to London Heathrow.
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Price to beat on a one-way flight from Istanbul to London Heathrow.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Istanbul to Heathrow 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 April 2026.
Use the filters below to find and compare flights from Istanbul Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 10/6

8:15 a.m.-10:30 a.m.

Nonstop4h 15m

London Heathrow

Tue 16/6

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

Nonstop3h 50m

C$ 298

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 1/10

6:00 a.m.-1:50 p.m.

1 stop9h 50m

London Heathrow

Sun 4/10

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

1 stop5h 40m

C$ 307

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 11/6

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

1 stop10h 00m

London Heathrow

Sun 14/6

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

1 stop12h 10m

C$ 322

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 7/7

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

Nonstop4h 00m

London Heathrow

Tue 14/7

7:40 a.m.-1:35 p.m.

Nonstop3h 55m

C$ 328

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 13/5

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

Nonstop4h 00m

London Heathrow

Thu 21/5

6:15 a.m.-12:10 p.m.

Nonstop3h 55m

C$ 337
Quickest round-trip

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 10/6

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

Nonstop4h 00m

London Heathrow

Thu 11/6

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

Nonstop3h 50m

C$ 337

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 3/7

8:30 p.m.-10:30 p.m.

Nonstop4h 00m

London Heathrow

Thu 9/7

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

Nonstop3h 50m

C$ 339

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 12/6

3:45 p.m.-12:30 p.m.

1 stop22h 45m

London Heathrow

Sun 21/6

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

1 stop6h 15m

C$ 343

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sun 31/5

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

1 stop6h 30m

London Heathrow

Tue 16/6

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

1 stop7h 40m

C$ 359

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 9/5

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

Nonstop4h 00m

London Heathrow

Sun 10/5

7:05 p.m.-12:55 a.m.

Nonstop3h 50m

C$ 363

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Best time to book a flight from Istanbul to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

The price you pay for your flight from Istanbul Airport to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 38 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 Istanbul Airport to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Istanbul Airport to London Heathrow Airport (average of C$ 355). Flying from Istanbul Airport to London Heathrow Airport in July is currently the most expensive (average of C$ 518). 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 LHR?

Find hourly flight availability from Istanbul to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 19% on flights from Istanbul Airport to London Heathrow Airport by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Istanbul to Heathrow. Price data was last updated on 25 April 2026.

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

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

Related info for your journey

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

    For as low as C$ 298, British Airways can have you in London Heathrow Airport from Istanbul Airport in 4h 15m. There are 2486 km between Istanbul Airport and London Heathrow Airport. Both multi-stop and direct flights can be found to your destination and back.

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

    Before booking your flight to London Heathrow Airport from Istanbul Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (98%), British Airways (93%), Turkish Airlines( 87%).

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

    Looking for the cheapest flight from Istanbul Airport to London Heathrow Airport? While on average our users pay C$ 806, our data indicates the cheapest price to be C$ 313. The most popular route (Istanbul - London Heathrow), is priced around C$ 761.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Istanbul Airport to London Heathrow Airport (average of C$ 355). Flying from Istanbul Airport to London Heathrow Airport in July is currently the most expensive (average of C$ 518). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Slough
Marlow
Cobham
Leamington Spa
Watford
Luton
High Wycombe
Stratford-upon-Avon
Hounslow
Moreton-in-Marsh

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

When you search for this flight from Istanbul to Heathrow, 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 Heathrow?

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 Heathrow from Istanbul.

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

Certainly. Search results for flights to Heathrow 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 Heathrow become cheaper?

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

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