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Cheap flights from London Heathrow Airport to Istanbul from $118

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 11/10. 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

Enter your travel dates to find the best prices.
British Airways Logo
6:40 am - 1:35 pmLHR-IST
3h 55mnonstop
British Airways Logo
3:15 pm - 4:40 pmIST-LHR
4h 25mnonstop
$204British Airways
Find Deal
Thu, Nov 20 - Mon, Nov 24
British Airways Logo
5:55 pm - 12:50 amLHR-IST
3h 55mnonstop
British Airways Logo
6:40 pm - 7:55 pmIST-LHR
4h 15mnonstop
$205British Airways
Find Deal
Mon, Feb 23 - Thu, Mar 5
Multiple Airlines Logo
6:30 am - 4:55 pmLHR-IST
7h 25m1 stop
Multiple Airlines Logo
4:50 am - 7:55 amIST-LHR
6h 05m1 stop
$209Multiple Airlines
Find Deal
Sat, Jan 24 - Tue, Jan 27
Multiple Airlines Logo
6:30 am - 4:55 pmLHR-IST
7h 25m1 stop
Multiple Airlines Logo
4:50 am - 7:55 amIST-LHR
6h 05m1 stop
$210Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Turkish Airlines Logo
4:35 pm - 11:25 pmLHR-IST
3h 50mnonstop
Turkish Airlines Logo
9:25 pm - 10:25 pmIST-LHR
4h 00mnonstop
$217Turkish Airlines
Find Deal
Thu, Nov 13 - Tue, Nov 18
Turkish Airlines Logo
4:35 pm - 11:25 pmLHR-IST
3h 50mnonstop
Turkish Airlines Logo
9:25 pm - 10:25 pmIST-LHR
4h 00mnonstop
$218Turkish Airlines
Find Deal
Thu, Nov 13 - Tue, Nov 18
Air Serbia Logo
1:30 pm - 3:35 amLHR-IST
12h 05m1 stop
Air Serbia Logo
4:20 am - 6:45 pmIST-LHR
16h 25m1 stop
$223Air Serbia
Find Deal
Sat, Apr 18 - Sun, Apr 26
Air Serbia Logo
7:55 pm - 3:35 amLHR-IST
5h 40m1 stop
Air Serbia Logo
4:35 pm - 6:45 pmIST-LHR
28h 10m1 stop
$224Air Serbia
Find Deal
Sat, Apr 18 - Sat, May 23
KLM Logo
6:30 am - 4:55 pmLHR-IST
7h 25m1 stop
KLM Logo
5:55 pm - 8:50 pmIST-LHR
5h 55m1 stop
$235KLM
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Sat, Jan 24 - Wed, Jan 28
KLM Logo
11:45 am - 9:20 pmLHR-SAW
6h 35m1 stop
KLM Logo
12:55 pm - 8:50 pmSAW-LHR
10h 55m1 stop
$357KLM
Find Deal
Wed, Dec 3 - Sat, Dec 6

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways deals on London Heathrow Airport to Istanbul flight tickets
British Airways
Nov 20
LHR6:40 amLondon Heathrow
3h 55m
IST1:35 pmIstanbul
Nov 24
IST3:15 pmIstanbul
4h 25m
LHR4:40 pmLondon Heathrow
$204
Find similar
British Airways
Feb 23
LHR5:55 pmLondon Heathrow
3h 55m
IST12:50 amIstanbul
Mar 5
IST6:40 pmIstanbul
4h 15m
LHR7:55 pmLondon Heathrow
$205
Find similar
British Airways
Dec 2
LHR6:55 amLondon Heathrow
3h 55m
IST1:50 pmIstanbul
Dec 8
IST6:40 pmIstanbul
4h 15m
LHR7:55 pmLondon Heathrow
$206
Find similar

Turkish Airlines flights from London Heathrow Airport to Istanbul

Our best Turkish Airlines deals on London Heathrow Airport to Istanbul flight tickets
Turkish Airlines
Nov 11
LHR4:35 pmLondon Heathrow
3h 50m
IST11:25 pmIstanbul
Nov 18
IST9:25 pmIstanbul
4h 00m
LHR10:25 pmLondon Heathrow
$216
Find similar
Turkish Airlines
Nov 13
LHR4:35 pmLondon Heathrow
3h 50m
IST11:25 pmIstanbul
Nov 18
IST9:25 pmIstanbul
4h 00m
LHR10:25 pmLondon Heathrow
$217
Find similar
Turkish Airlines
Nov 13
LHR4:35 pmLondon Heathrow
3h 50m
IST11:25 pmIstanbul
Nov 18
IST9:25 pmIstanbul
4h 00m
LHR10:25 pmLondon Heathrow
$218
Find similar

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 832,500 searches. Data last updated October 31, 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

Thu 11/20

6:40 am-1:35 pm

Nonstop3h 55m

Istanbul

Mon 11/24

3:15 pm-4:40 pm

Nonstop4h 25m

$204

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 2/23

5:55 pm-12:50 am

Nonstop3h 55m

Istanbul

Thu 3/5

6:40 pm-7:55 pm

Nonstop4h 15m

$205

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 1/24

6:30 am-4:55 pm

1 stop7h 25m

Istanbul

Tue 1/27

4:50 am-7:55 am

1 stop6h 05m

$209

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 12/5

6:30 am-4:55 pm

1 stop7h 25m

Istanbul

Sun 12/7

4:50 am-7:55 am

1 stop6h 05m

$210

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 11/13

4:35 pm-11:25 pm

Nonstop3h 50m

Istanbul

Tue 11/18

9:25 pm-10:25 pm

Nonstop4h 00m

$217

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 11/13

4:35 pm-11:25 pm

Nonstop3h 50m

Istanbul

Tue 11/18

9:25 pm-10:25 pm

Nonstop4h 00m

$218

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 4/18

1:30 pm-3:35 am

1 stop12h 05m

Istanbul

Sun 4/26

4:20 am-6:45 pm

1 stop16h 25m

$223

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 4/18

7:55 pm-3:35 am

1 stop5h 40m

Istanbul

Sat 5/23

4:35 pm-6:45 pm

1 stop28h 10m

$224

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 1/24

6:30 am-4:55 pm

1 stop7h 25m

Istanbul

Wed 1/28

5:55 pm-8:50 pm

1 stop5h 55m

$235

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Wed 12/3

11:45 am-9:20 pm

1 stop6h 35m

Istanbul Sabiha Gokcen

Sat 12/6

12:55 pm-8:50 pm

1 stop10h 55m

$357

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

What is the cheapest month to fly to Istanbul?

In general, January is the cheapest month to fly from London Heathrow Airport to Istanbul. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $209. If you aren’t able to travel to Istanbul during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $215.

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 Monday when prices can be found for as low as $396. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul on Saturday is $677.

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

Our most recent data shows that the best time of day to fly to Istanbul is in the evening. Flights from London Heathrow Airport to Istanbul during this time can be as low as $303. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $557 on average. Flights to Istanbul from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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?

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 $296 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 $267 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 50m

Direct flights

Every day

Airports in Istanbul

1 airport
The fastest flight from London Heathrow Airport to Istanbul takes 3h 50m
Direct flights go from London Heathrow Airport to Istanbul every day.
There is 1 airport near Istanbul: Istanbul (IST)
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  • How far is London Heathrow to Istanbul by plane?

    The distance between London Heathrow and Istanbul is about 1564.7 mi. 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?

    Prices for flights from London Heathrow Airport to Istanbul refresh daily.

  • 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Istanbul.

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

    The necessary travel and health documents for your Istanbul 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.

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 $177Free CancellationRating
6.7
7,488 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $206Free CancellationRating
7.3
4,033 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?

Yes. momondo allows you to filter the results for London to Istanbul flights to just show those with 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?

Price alerts on flights to Istanbul from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Turkey

Fly into one of these airports located in Istanbul

Airports listed have a maximum distance of 20.9 mi from Istanbul
Istanbul Airport
Istanbul Sabiha Gokcen Airport