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Cheap flights from London Heathrow Airport to Istanbul from C$ 183

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Istanbul departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Istanbul

Cheap round-trip flights

British Airways Logo
5:30 p.m. - 12:25 a.m.LHR-IST
3h 55mdirect
British Airways Logo
8:15 a.m. - 9:45 a.m.IST-LHR
4h 30mdirect
C$ 282British Airways
Find Deal
Thu, 27 Nov - Mon, 8 Dec
British Airways Logo
6:15 p.m. - 1:10 a.m.LHR-IST
3h 55mdirect
British Airways Logo
6:40 p.m. - 7:55 p.m.IST-LHR
4h 15mdirect
C$ 283British Airways
Find Deal
Fri, 5 Dec - Mon, 15 Dec
Logo
8:25 p.m. - 4:55 p.m.LHR-IST
17h 30m1 stop
Logo
4:50 a.m. - 1:45 p.m.IST-LHR
11h 55m1 stop
C$ 295
Find Deal
Fri, 5 Dec - Sun, 14 Dec
Logo
8:25 p.m. - 4:55 p.m.LHR-IST
17h 30m1 stop
Logo
4:50 a.m. - 1:45 p.m.IST-LHR
11h 55m1 stop
C$ 297
Find Deal
Fri, 5 Dec - Sun, 14 Dec
KLM Logo
5:10 p.m. - 1:20 a.m.LHR-IST
6h 10m1 stop
KLM Logo
6:10 a.m. - 10:45 a.m.IST-LHR
6h 35m1 stop
C$ 301KLM
Find Deal
Tue, 16 Sep - Tue, 23 Sep
KLM Logo
5:10 p.m. - 1:20 a.m.LHR-IST
6h 10m1 stop
KLM Logo
5:05 p.m. - 8:55 p.m.IST-LHR
5h 50m1 stop
C$ 303KLM
Find Deal
Mon, 15 Sep - Mon, 22 Sep
Turkish Airlines Logo
4:40 p.m. - 11:35 p.m.LHR-IST
3h 55mdirect
Turkish Airlines Logo
3:10 p.m. - 4:10 p.m.IST-LHR
4h 00mdirect
C$ 343Turkish Airlines
Find Deal
Sat, 1 Nov - Tue, 11 Nov
Turkish Airlines Logo
6:00 p.m. - 11:55 p.m.LHR-IST
3h 55mdirect
Turkish Airlines Logo
8:30 p.m. - 10:25 p.m.IST-LHR
3h 55mdirect
C$ 350Turkish Airlines
Find Deal
Thu, 4 Sep - Tue, 23 Sep
Aegean Airlines Logo
10:15 p.m. - 3:00 p.m.LHR-IST
14h 45m1 stop
Aegean Airlines Logo
6:30 a.m. - 11:10 a.m.IST-LHR
7h 40m1 stop
C$ 366Aegean Airlines
Find Deal
Mon, 20 Oct - Sun, 26 Oct
Aegean Airlines Logo
10:15 p.m. - 3:00 p.m.LHR-IST
14h 45m1 stop
Aegean Airlines Logo
10:40 a.m. - 9:10 p.m.IST-LHR
12h 30m1 stop
C$ 368Aegean Airlines
Find Deal
Tue, 7 Oct - Sat, 25 Oct

Turkish Airlines flights from London Heathrow Airport to Istanbul Airport

Our best Turkish Airlines deals on London Heathrow Airport to Istanbul Airport flight tickets
Turkish Airlines
1 Nov
LHR4:40 p.m.London Heathrow
3h 55m
IST11:35 p.m.Istanbul
11 Nov
IST3:10 p.m.Istanbul
4h 00m
LHR4:10 p.m.London Heathrow
C$ 343
Find similar
Turkish Airlines
4 Sep
LHR6:00 p.m.London Heathrow
3h 55m
IST11:55 p.m.Istanbul
23 Sep
IST8:30 p.m.Istanbul
3h 55m
LHR10:25 p.m.London Heathrow
C$ 350
Find similar
Turkish Airlines
19 Sep
LHR7:05 p.m.London Heathrow
3h 55m
IST1:00 a.m.Istanbul
5 Oct
IST9:45 a.m.Istanbul
4h 00m
LHR11:45 a.m.London Heathrow
C$ 369
Find similar

British Airways flights from London Heathrow Airport to Istanbul Airport

Our best British Airways deals on London Heathrow Airport to Istanbul Airport flight tickets
British Airways
27 Nov
LHR5:30 p.m.London Heathrow
3h 55m
IST12:25 a.m.Istanbul
8 Dec
IST8:15 a.m.Istanbul
4h 30m
LHR9:45 a.m.London Heathrow
C$ 282
Find similar
British Airways
5 Dec
LHR6:15 p.m.London Heathrow
3h 55m
IST1:10 a.m.Istanbul
15 Dec
IST6:40 p.m.Istanbul
4h 15m
LHR7:55 p.m.London Heathrow
C$ 283
Find similar
British Airways
12 Oct
LHR7:05 p.m.London Heathrow
3h 50m
IST12:55 a.m.Istanbul
21 Oct
IST7:55 p.m.Istanbul
4h 00m
LHR9:55 p.m.London Heathrow
C$ 353
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Istanbul Airport 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, momondo users made 96,600 searches. Data last updated 2 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 27/11

5:30 p.m.-12:25 a.m.

Nonstop3h 55m

Istanbul

Mon 8/12

8:15 a.m.-9:45 a.m.

Nonstop4h 30m

C$ 282

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

6:15 p.m.-1:10 a.m.

Nonstop3h 55m

Istanbul

Mon 15/12

6:40 p.m.-7:55 p.m.

Nonstop4h 15m

C$ 283

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

8:25 p.m.-4:55 p.m.

1 stop17h 30m

Istanbul

Sun 14/12

4:50 a.m.-1:45 p.m.

1 stop11h 55m

C$ 295

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

8:25 p.m.-4:55 p.m.

1 stop17h 30m

Istanbul

Sun 14/12

4:50 a.m.-1:45 p.m.

1 stop11h 55m

C$ 297

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 16/9

5:10 p.m.-1:20 a.m.

1 stop6h 10m

Istanbul

Tue 23/9

6:10 a.m.-10:45 a.m.

1 stop6h 35m

C$ 301

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 15/9

5:10 p.m.-1:20 a.m.

1 stop6h 10m

Istanbul

Mon 22/9

5:05 p.m.-8:55 p.m.

1 stop5h 50m

C$ 303

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 1/11

4:40 p.m.-11:35 p.m.

Nonstop3h 55m

Istanbul

Tue 11/11

3:10 p.m.-4:10 p.m.

Nonstop4h 00m

C$ 343

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 4/9

6:00 p.m.-11:55 p.m.

Nonstop3h 55m

Istanbul

Tue 23/9

8:30 p.m.-10:25 p.m.

Nonstop3h 55m

C$ 350

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 20/10

10:15 p.m.-3:00 p.m.

1 stop14h 45m

Istanbul

Sun 26/10

6:30 a.m.-11:10 a.m.

1 stop7h 40m

C$ 366

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 7/10

10:15 p.m.-3:00 p.m.

1 stop14h 45m

Istanbul

Sat 25/10

10:40 a.m.-9:10 p.m.

1 stop12h 30m

C$ 368

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Istanbul from

How to get the cheapest flight ticket from London Heathrow Airport to Istanbul Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London Heathrow Airport and Istanbul Airport?

What is the cheapest month to fly to Istanbul Airport?

In general, January is the cheapest month to fly from London Heathrow Airport to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 285. If you aren’t able to travel during the month of January, then book flights to Istanbul Airport from London Heathrow Airport during March instead. Flights to Istanbul Airport in March, while not as cheap as those in January, still average around C$ 296.

What is the cheapest day to depart on your flight to Istanbul Airport?

The cheapest day to depart from London Heathrow Airport to Istanbul Airport is on a Sunday. Travellers who choose to depart for Istanbul Airport on a Sunday will often find tickets for as low as C$ 231. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul Airport on Thursday is C$ 353.

What is the cheapest time of day to depart on your flight to Istanbul Airport?

Our data shows that the cheapest London Heathrow Airport to Istanbul Airport flights are usually those with departure times in the evening. Our users have found flights to Istanbul Airport in the evening for as low as C$ 205. In contrast, the most expensive time of day to depart to Istanbul Airport is in the morning when prices are around C$ 397.

What is the cheapest London Heathrow to Istanbul flight route?

Fly from London Heathrow to Istanbul for the best London Heathrow - Istanbul flight prices

How far in advance should I book a flight to Istanbul Airport?

You are more likely to see cheaper flights to Istanbul Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around C$ 409 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from London Heathrow Airport for as low as C$ 377 on momondo.

What cabin class options are available on London Heathrow to Istanbul flights?

There are 3 cabin classes available to choose from on London Heathrow to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Istanbul Airport flight prices changed over time?

As of August 2025, prices for London Heathrow Airport to Istanbul Airport flights are approximately 47% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Istanbul Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Istanbul Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Istanbul Airport (LHR to IST) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Istanbul Airport

Best price found

C$ 183

Fastest flight time

3h 50m

Direct flights

Every day
The best one-way flight to Istanbul Airport from London Heathrow Airport in the past 72 hours is C$ 183. The best round-trip flight deal from London Heathrow Airport to Istanbul Airport found on momondo in the last 72 hours is C$ 282.
The fastest flight from London Heathrow Airport to Istanbul Airport takes 3h 50m
Direct flights go from London Heathrow Airport to Istanbul Airport every day.
Search flight deals

  • How far is London Heathrow to Istanbul by plane?

    A flight from London Heathrow to Istanbul will travel around 2486.0 km. In terms of flight time, this usually takes a little over 3h 50m.

  • When did momondo last update prices for flights from London Heathrow Airport to Istanbul Airport?

    Prices for flights from London Heathrow Airport to Istanbul Airport are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Istanbul Airport?

  • How old do you have to be to fly from London Heathrow Airport to Istanbul Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Istanbul Airport.

  • What documentation or ID do you need to fly to Istanbul Airport?

    The necessary travel and health documents for your Istanbul Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Istanbul Airport?

  • What is the most popular airline from London Heathrow Airport to Istanbul Airport?

Best airlines flying from London Heathrow Airport to Istanbul Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Istanbul Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom C$ 246Free CancellationRating
6.6
7,224 reviews
Search British Airways flights
Turkish AirlinesPriceFrom C$ 280Free CancellationRating
7.3
3,935 reviews
Search Turkish Airlines flights

  • Turkish Airlines Flights From London Heathrow Airport to Istanbul Airport

    Turkish Airlines flies from London Heathrow Airport to Istanbul Airport around 33 times per week, with 3,935 momondo users rating the airline 7.3/10. The cheapest Turkish Airlines deal from London Heathrow Airport to Istanbul Airport in the last 72 hours was C$ 202 (round-trip), much lower than the average airfare cost of C$ 260 for Turkish Airlines flights on this route.

  • British Airways Flights From London Heathrow Airport to Istanbul Airport

    Another popular option for London Heathrow Airport to Istanbul Airport flights is British Airways (6.6/10, 7,224 ratings). British Airways flies from London Heathrow Airport to Istanbul Airport around 5 times per week, with deals starting from C$ 178 round-trip and rising to an average price of around C$ 229.

Travelling to a place near Istanbul?

Book flights to Istanbul if you plan to visit one of these locations
Yalova

Why use momondo?

Why should I use momondo to find a flight deal from London to Istanbul?

It is quick and easy to find London to Istanbul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Istanbul that suits you.

Can I find flights from London to Istanbul with flexible booking policies on momondo?

All flight searches from London to Istanbul on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Istanbul?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Istanbul.

I’m not ready to book a flight from London to Istanbul right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Istanbul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Istanbul and let you know when they change.

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