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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 10/27. 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
7:05 pm - 12:55 amLHR-IST
3h 50mnonstop
British Airways Logo
8:15 pm - 10:15 pmIST-LHR
4h 00mnonstop
$178British Airways
Find Deal
Sun, Oct 5 - Mon, Oct 20
British Airways Logo
6:30 pm - 12:20 amLHR-IST
3h 50mnonstop
British Airways Logo
8:15 pm - 10:15 pmIST-LHR
4h 00mnonstop
$179British Airways
Find Deal
Sat, Oct 4 - Mon, Oct 20
Logo
6:30 am - 4:55 pmLHR-IST
7h 25m1 stop
Logo
4:50 am - 8:00 amIST-LHR
6h 10m1 stop
$213
Find Deal
Fri, Dec 5 - Sun, Dec 14
Air France Logo
11:30 am - 3:50 amLHR-IST
13h 20m1 stop
Air France Logo
4:50 am - 7:55 amIST-LHR
6h 05m1 stop
$214Air France
Find Deal
Sat, Nov 8 - Sun, Nov 16
Turkish Airlines Logo
6:00 pm - 11:55 pmLHR-IST
3h 55mnonstop
Turkish Airlines Logo
8:30 pm - 10:25 pmIST-LHR
3h 55mnonstop
$218Turkish Airlines
Find Deal
Thu, Sep 25 - Thu, Oct 2
Turkish Airlines Logo
6:30 am - 12:25 pmLHR-IST
3h 55mnonstop
Turkish Airlines Logo
1:45 pm - 3:55 pmIST-LHR
4h 10mnonstop
$219Turkish Airlines
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Wed, Oct 1 - Wed, Oct 8
Air Serbia Logo
1:20 pm - 4:25 amLHR-IST
12h 05m1 stop
Air Serbia Logo
4:40 pm - 12:20 pmIST-LHR
22h 40m1 stop
$223Air Serbia
Find Deal
Fri, Nov 7 - Mon, Nov 10
Air Serbia Logo
7:55 pm - 2:55 pmLHR-IST
17h 00m1 stop
Air Serbia Logo
4:20 am - 12:30 pmIST-LHR
10h 10m1 stop
$224Air Serbia
Find Deal
Sat, Oct 4 - Sat, Oct 11
Logo
8:55 am - 3:50 amLHR-IST
15h 55m1 stop
Logo
5:55 pm - 8:50 pmIST-LHR
5h 55m1 stop
$234
Find Deal
Fri, Nov 7 - Sun, Nov 16
Air France Logo
8:55 am - 3:50 amLHR-IST
15h 55m1 stop
Air France Logo
4:50 am - 4:35 pmIST-LHR
14h 45m1 stop
$243Air France
Find Deal
Fri, Nov 7 - Sun, Nov 9

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways deals on London Heathrow Airport to Istanbul flight tickets
British Airways
Oct 5
LHR7:05 pmLondon Heathrow
3h 50m
IST12:55 amIstanbul
Oct 20
IST8:15 pmIstanbul
4h 00m
LHR10:15 pmLondon Heathrow
$178
Find similar
British Airways
Oct 4
LHR6:30 pmLondon Heathrow
3h 50m
IST12:20 amIstanbul
Oct 20
IST8:15 pmIstanbul
4h 00m
LHR10:15 pmLondon Heathrow
$179
Find similar
British Airways
Mar 10
LHR5:10 pmLondon Heathrow
3h 55m
IST12:05 amIstanbul
Mar 24
IST6:40 pmIstanbul
4h 15m
LHR7:55 pmLondon Heathrow
$187
Find similar

Air Serbia flights from London Heathrow Airport to Istanbul

Our best Air Serbia deals on London Heathrow Airport to Istanbul flight tickets
Air Serbia
Nov 7
LHR1:20 pmLondon Heathrow
12h 05m
1 stop
IST4:25 amIstanbul
Nov 10
IST4:40 pmIstanbul
22h 40m
1 stop
LHR12:20 pmLondon Heathrow
$223
Find similar
Air Serbia
Oct 4
LHR7:55 pmLondon Heathrow
17h 00m
1 stop
IST2:55 pmIstanbul
Oct 11
IST4:20 amIstanbul
10h 10m
1 stop
LHR12:30 pmLondon Heathrow
$224
Find similar
Air Serbia
Oct 4
LHR7:55 pmLondon Heathrow
17h 00m
1 stop
IST2:55 pmIstanbul
Oct 13
IST4:35 pmIstanbul
21h 55m
1 stop
LHR12:30 pmLondon Heathrow
$225
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 September 15, 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

Sun 10/5

7:05 pm-12:55 am

Nonstop3h 50m

Istanbul

Mon 10/20

8:15 pm-10:15 pm

Nonstop4h 00m

$178

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 10/4

6:30 pm-12:20 am

Nonstop3h 50m

Istanbul

Mon 10/20

8:15 pm-10:15 pm

Nonstop4h 00m

$179

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 12/5

6:30 am-4:55 pm

1 stop7h 25m

Istanbul

Sun 12/14

4:50 am-8:00 am

1 stop6h 10m

$213

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 11/8

11:30 am-3:50 am

1 stop13h 20m

Istanbul

Sun 11/16

4:50 am-7:55 am

1 stop6h 05m

$214

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 9/25

6:00 pm-11:55 pm

Nonstop3h 55m

Istanbul

Thu 10/2

8:30 pm-10:25 pm

Nonstop3h 55m

$218

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 10/1

6:30 am-12:25 pm

Nonstop3h 55m

Istanbul

Wed 10/8

1:45 pm-3:55 pm

Nonstop4h 10m

$219

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 11/7

1:20 pm-4:25 am

1 stop12h 05m

Istanbul

Mon 11/10

4:40 pm-12:20 pm

1 stop22h 40m

$223

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 10/4

7:55 pm-2:55 pm

1 stop17h 00m

Istanbul

Sat 10/11

4:20 am-12:30 pm

1 stop10h 10m

$224

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 11/7

8:55 am-3:50 am

1 stop15h 55m

Istanbul

Sun 11/16

5:55 pm-8:50 pm

1 stop5h 55m

$234

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 11/7

8:55 am-3:50 am

1 stop15h 55m

Istanbul

Sun 11/9

4:50 am-4:35 pm

1 stop14h 45m

$243

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 $207. 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 $360. 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 $698.

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 $310. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $536 on average. Flights to Istanbul from London Heathrow Airport in the morning 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 $294 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 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)
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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 45m.

  • 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 $168Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
LOTPriceFrom $186Free CancellationRating
7.6
1,114 reviews
Search LOT flights
Turkish AirlinesPriceFrom $206Free 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?

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