Cheap flights from London Heathrow Airport to Istanbul from C$ 170

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 31/10. 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
5:10 p.m. - 12:05 a.m.LHR-IST
3h 55mdirect
British Airways Logo
6:45 p.m. - 8:00 p.m.IST-LHR
4h 15mdirect
C$ 260British Airways
Find Deal
Tue, 6 Jan - Wed, 7 Jan
British Airways Logo
7:25 a.m. - 2:20 p.m.LHR-IST
3h 55mdirect
British Airways Logo
8:10 a.m. - 9:40 a.m.IST-LHR
4h 30mdirect
C$ 261British Airways
Find Deal
Mon, 9 Mar - Fri, 13 Mar
Multiple Airlines Logo
6:30 a.m. - 4:55 p.m.LHR-IST
7h 25m1 stop
Multiple Airlines Logo
4:50 a.m. - 8:00 a.m.IST-LHR
6h 10m1 stop
C$ 294Multiple Airlines
Find Deal
Tue, 24 Feb - Mon, 2 Mar
Multiple Airlines Logo
6:30 a.m. - 4:55 p.m.LHR-IST
7h 25m1 stop
Multiple Airlines Logo
4:50 a.m. - 8:00 a.m.IST-LHR
6h 10m1 stop
C$ 296Multiple Airlines
Find Deal
Fri, 5 Dec - Sun, 14 Dec
Air Serbia Logo
1:20 p.m. - 4:25 a.m.LHR-IST
12h 05m1 stop
Air Serbia Logo
4:40 p.m. - 12:20 p.m.IST-LHR
22h 40m1 stop
C$ 308Air Serbia
Find Deal
Sun, 2 Nov - Mon, 3 Nov
Air Serbia Logo
1:30 p.m. - 3:50 p.m.LHR-IST
24h 20m1 stop
Air Serbia Logo
4:20 a.m. - 12:30 p.m.IST-LHR
10h 10m1 stop
C$ 309Air Serbia
Find Deal
Sun, 5 Oct - Fri, 10 Oct
Turkish Airlines Logo
4:40 p.m. - 10:40 p.m.LHR-IST
4h 00mdirect
Turkish Airlines Logo
2:45 p.m. - 4:40 p.m.IST-LHR
3h 55mdirect
C$ 321Turkish Airlines
Find Deal
Thu, 2 Oct - Thu, 9 Oct
KLM Logo
6:30 a.m. - 4:55 p.m.LHR-IST
7h 25m1 stop
KLM Logo
5:55 p.m. - 8:50 p.m.IST-LHR
5h 55m1 stop
C$ 325KLM
Find Deal
Wed, 12 Nov - Sat, 15 Nov
Turkish Airlines Logo
4:40 p.m. - 10:40 p.m.LHR-IST
4h 00mdirect
Turkish Airlines Logo
8:30 p.m. - 10:25 p.m.IST-LHR
3h 55mdirect
C$ 330Turkish Airlines
Find Deal
Sat, 27 Sep - Thu, 2 Oct
KLM Logo
8:40 a.m. - 9:20 p.m.LHR-SAW
9h 40m1 stop
KLM Logo
12:55 p.m. - 5:00 p.m.SAW-LHR
7h 05m1 stop
C$ 503KLM
Find Deal
Wed, 12 Nov - Sat, 15 Nov

Air Serbia flights from London Heathrow Airport to Istanbul

Our best Air Serbia deals on London Heathrow Airport to Istanbul flight tickets
Air Serbia
2 Nov
LHR1:20 p.m.London Heathrow
12h 05m
1 stop
IST4:25 a.m.Istanbul
3 Nov
IST4:40 p.m.Istanbul
22h 40m
1 stop
LHR12:20 p.m.London Heathrow
Air Serbia
5 Oct
LHR1:30 p.m.London Heathrow
24h 20m
1 stop
IST3:50 p.m.Istanbul
10 Oct
IST4:20 a.m.Istanbul
10h 10m
1 stop
LHR12:30 p.m.London Heathrow
Air Serbia
4 Oct
LHR7:55 p.m.London Heathrow
17h 00m
1 stop
IST2:55 p.m.Istanbul
17 Oct
IST3:40 p.m.Istanbul
22h 50m
1 stop
LHR12:30 p.m.London Heathrow

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways deals on London Heathrow Airport to Istanbul flight tickets
British Airways
6 Jan
LHR5:10 p.m.London Heathrow
3h 55m
IST12:05 a.m.Istanbul
7 Jan
IST6:45 p.m.Istanbul
4h 15m
LHR8:00 p.m.London Heathrow
British Airways
9 Mar
LHR7:25 a.m.London Heathrow
3h 55m
IST2:20 p.m.Istanbul
13 Mar
IST8:10 a.m.Istanbul
4h 30m
LHR9:40 a.m.London Heathrow
British Airways
11 Oct
LHR6:30 p.m.London Heathrow
3h 50m
IST12:20 a.m.Istanbul
13 Dec
IST7:35 a.m.Istanbul
4h 30m
LHR9:05 a.m.London Heathrow

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Istanbul 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 16 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 6/1

5:10 p.m.-12:05 a.m.

Nonstop3h 55m

Istanbul

Wed 7/1

6:45 p.m.-8:00 p.m.

Nonstop4h 15m

C$ 260

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 9/3

7:25 a.m.-2:20 p.m.

Nonstop3h 55m

Istanbul

Fri 13/3

8:10 a.m.-9:40 a.m.

Nonstop4h 30m

C$ 261

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 24/2

6:30 a.m.-4:55 p.m.

1 stop7h 25m

Istanbul

Mon 2/3

4:50 a.m.-8:00 a.m.

1 stop6h 10m

C$ 294

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

6:30 a.m.-4:55 p.m.

1 stop7h 25m

Istanbul

Sun 14/12

4:50 a.m.-8:00 a.m.

1 stop6h 10m

C$ 296

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 2/11

1:20 p.m.-4:25 a.m.

1 stop12h 05m

Istanbul

Mon 3/11

4:40 p.m.-12:20 p.m.

1 stop22h 40m

C$ 308

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 5/10

1:30 p.m.-3:50 p.m.

1 stop24h 20m

Istanbul

Fri 10/10

4:20 a.m.-12:30 p.m.

1 stop10h 10m

C$ 309

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 2/10

4:40 p.m.-10:40 p.m.

Nonstop4h 00m

Istanbul

Thu 9/10

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

Nonstop3h 55m

C$ 320

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 12/11

6:30 a.m.-4:55 p.m.

1 stop7h 25m

Istanbul

Sat 15/11

5:55 p.m.-8:50 p.m.

1 stop5h 55m

C$ 325

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 27/9

4:40 p.m.-10:40 p.m.

Nonstop4h 00m

Istanbul

Thu 2/10

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

Nonstop3h 55m

C$ 330

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Wed 12/11

8:40 a.m.-9:20 p.m.

1 stop9h 40m

Istanbul Sabiha Gokcen

Sat 15/11

12:55 p.m.-5:00 p.m.

1 stop7h 05m

C$ 503

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

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 cheapest month to fly to Istanbul?

The month of January is, on average, the cheapest month to fly to Istanbul from London Heathrow Airport, with most prices found around C$ 286. If you don’t want to visit Istanbul in January, then you should wait until March to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of C$ 297.

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

The cheapest day to depart from London Heathrow Airport to Istanbul is on a Sunday. Travellers who choose to depart for Istanbul on a Sunday will often find tickets for as low as C$ 264. The most expensive day to fly to Istanbul is Thursday, with ticket prices averaging around C$ 391.

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

According to our data, the cheapest time of day to fly to Istanbul is in the evening. momondo users have found flights departing from London Heathrow Airport to Istanbul in the evening for as low as C$ 207. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Istanbul is in the morning when prices are around C$ 433.

What is the cheapest London Heathrow to Istanbul flight route?

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

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

You are more likely to see cheaper flights to Istanbul from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around C$ 406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from London Heathrow Airport for as low as C$ 369 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.

Cheap London Heathrow Airport to Istanbul flight deals and tips

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

Fastest flight time

3h 45m

Direct flights

Every day

Airports in Istanbul

2 airports
The fastest flight from London Heathrow Airport to Istanbul takes 3h 45m
Direct flights go from London Heathrow Airport to Istanbul every day.
There are 2 airports near Istanbul: Istanbul Sabiha Gokcen (SAW), Istanbul (IST)
  • How far is London Heathrow to Istanbul by plane?

    Istanbul is 2518.1 km away from London Heathrow. By plane, this route typically takes 3h 50m.

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

    Prices for flights from London Heathrow Airport to Istanbul are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Istanbul.

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

    The travel and health documents required for your trip to Istanbul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Istanbul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from London Heathrow Airport to Istanbul

Compare and see reviews for airlines that fly from London Heathrow Airport to Istanbul with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom C$ 255Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
Turkish AirlinesPriceFrom C$ 279Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Istanbul. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Istanbul from London which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential London to Istanbul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of London to Istanbul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Thu 16/10
Thu 23/10

Find better results for your trip to Turkey

Fly into one of these airports located in Istanbul

Airports listed have a maximum distance of 33.6 km from Istanbul