LHR - IST

C$ 188 Find Cheap Flights from London Heathrow Airport to Istanbul – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Istanbul departing on 23/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 302
Typical prices: C$ 345-C$ 554
KLM
Sat 28/11Fri 4/12
LHR - IST • 1 stop
Cheapest direct flights
C$ 306
Typical prices: C$ 346-C$ 553
British Airways
Sat 28/11Tue 1/12
LHR - IST • Direct
Advice from real travellers
AI-powered summary based on content written by travel experts. AI can make mistakes.
BA Euro Traveller includes a carry-on; BA premium economy adds extra legroom.
On Turkish Airlines, Miles & Smiles adds free messaging; Heathrow has long lines.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from C$ 303 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
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+1
Airline reviews
Airline reviews
+1
Direct flights
You can fly direct with British Airways and Turkish Airlines. Average duration is 3h 51m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 91% on-time
Best time • Fewest delays
Insights
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Insights
When to book
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 12% compared to booking last minute.
Insights
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When to travel
Cheapest • 23% price drop
Most popular
Good to know
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Flight Deals

Cheap Flights from Heathrow to Istanbul (LHR-IST)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Heathrow to Istanbul that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Heathrow to Istanbul

Sat, 28 Nov - Fri, 4 Dec
KLM Logo
6:30 a.m. - 4:55 p.m.
LHR
-
IST
7h 25m
1 stop
KLM Logo
5:55 p.m. - 8:50 p.m.
IST
-
LHR
5h 55m
1 stop
C$ 302KLM
Sat, 23 Jan - Wed, 27 Jan
KLM Logo
6:30 a.m. - 4:55 p.m.
LHR
-
IST
7h 25m
1 stop
KLM Logo
5:55 p.m. - 8:50 p.m.
IST
-
LHR
5h 55m
1 stop
C$ 302KLM
Tue, 15 Sep - Fri, 18 Sep
Lufthansa Logo
4:25 p.m. - 2:05 a.m.
LHR
-
IST
7h 40m
1 stop
Lufthansa Logo
3:45 a.m. - 8:15 a.m.
IST
-
LHR
6h 30m
1 stop
C$ 303Lufthansa
Tue, 1 Sep - Wed, 16 Sep
Lufthansa Logo
5:50 p.m. - 2:05 a.m.
LHR
-
IST
6h 15m
1 stop
Lufthansa Logo
3:45 a.m. - 8:15 a.m.
IST
-
LHR
6h 30m
1 stop
C$ 303Lufthansa
Sat, 28 Nov - Tue, 1 Dec
British Airways Logo
5:40 p.m. - 12:35 a.m.
LHR
-
IST
3h 55mdirect
British Airways Logo
6:40 p.m. - 7:55 p.m.
IST
-
LHR
4h 15mdirect
C$ 306British Airways
Mon, 11 Jan - Thu, 21 Jan
British Airways Logo
7:25 a.m. - 2:20 p.m.
LHR
-
IST
3h 55mdirect
British Airways Logo
6:40 p.m. - 7:55 p.m.
IST
-
LHR
4h 15mdirect
C$ 312British Airways
Sat, 5 Dec - Mon, 7 Dec
British Airways Logo
5:40 p.m. - 12:35 a.m.
LHR
-
IST
3h 55mdirect
British Airways Logo
6:40 p.m. - 7:55 p.m.
IST
-
LHR
4h 15mdirect
C$ 313British Airways
Fri, 2 Oct - Mon, 5 Oct
Turkish Airlines Logo
10:40 p.m. - 4:20 a.m.
LHR
-
IST
3h 40mdirect
Turkish Airlines Logo
8:20 p.m. - 10:25 p.m.
IST
-
LHR
4h 05mdirect
C$ 355Turkish Airlines
Wed, 23 Sep - Wed, 30 Sep
Turkish Airlines Logo
10:40 p.m. - 4:20 a.m.
LHR
-
IST
3h 40mdirect
Turkish Airlines Logo
8:20 p.m. - 10:25 p.m.
IST
-
LHR
4h 05mdirect
C$ 355Turkish Airlines
Tue, 1 Sep - Mon, 21 Sep
Turkish Airlines Logo
6:00 p.m. - 11:55 p.m.
LHR
-
IST
3h 55mdirect
Turkish Airlines Logo
8:20 p.m. - 10:25 p.m.
IST
-
LHR
4h 05mdirect
C$ 355Turkish Airlines
Booking Insights

KAYAK's insights & trends for Heathrow to Istanbul flights

Get data-powered insights and trends into flights from Heathrow to Istanbul to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from London Heathrow Airport to Istanbul Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London Heathrow Airport to Istanbul Airport departing in November.

Flight prices are below average for this route right now.

Flights to Istanbul Airport from London Heathrow Airport usually cost between C$ 499 and C$ 716 in November.
The lowest price found in the past 5 days was C$ 302 on KLM (28 Nov–4 Dec).

What’s the cheapest day of the week to fly from London Heathrow Airport to Istanbul?

The average price of all round-trip flights from London Heathrow Airport to Istanbul Airport clicked on KAYAK for each day over the last 12 months.

For London Heathrow Airport to Istanbul, Saturday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Istanbul back to London Heathrow Airport, the best deals are generally found on Monday, with Wednesday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Istanbul Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to Istanbul Airport is November, where tickets cost C$ 347 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is C$ 670 and C$ 604 respectively.

Can I save money by flying with a layover from London Heathrow Airport to Istanbul Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 332 on average.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to Istanbul Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London Heathrow Airport to Istanbul Airport, you should book around 4 weeks before departure, which saves you about 12% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Expert advice

Expert advice for your flight from Heathrow to Istanbul

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on Turkish Airlines

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Duncan Madden

Duncan Madden

Expert on British Airways and LHR

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Jenna Scatena

Jenna Scatena

Expert on IST

Journalist and Travel Writer, Jenna Scatena is an award-winning travel writer with a love for sharing stories and exploring new places, especially by Vespa. Though she's from San Francisco, she has spent a significant chunk of her vacation days over the last decade eating her way through Texas and sleeping in hotels around the world—especially in California, the Middle East, and Europe.

Good to know

Low season

January

Cheapest flight

C$ 188
Best time to beat the crowds (22% less expensive on average)
Most popular time to fly (34% more expensive on average)
Flight from London Heathrow Airport to Istanbul

When to book flights from Heathrow to Istanbul

Are your dates flexible? Find out the best times to travel from Heathrow to Istanbul based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to Istanbul flights

  • What is the cheapest flight from London Heathrow Airport to Istanbul Airport?

    In the last 5 days, the lowest price for a flight from London Heathrow Airport to Istanbul Airport was C$ 188 for a one-way ticket and C$ 303 for a round-trip.

  • Which airports will I be using when flying from London Heathrow Airport to Istanbul?

    London Heathrow Airport airport is called London Heathrow and the only airport in Istanbul is Istanbul.

  • Which aircraft models fly most regularly from London Heathrow Airport to Istanbul?

    The Airbus A321neo is the aircraft model that flies most regularly on the London Heathrow Airport to Istanbul flight route.

  • Which airline alliances offer flights from London Heathrow Airport to Istanbul?

    oneworld, and Star Alliance are the airline alliances operating flights between London Heathrow Airport and Istanbul, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from London Heathrow Airport to Istanbul?

    There are direct flights from London Heathrow Airport to Istanbul on a daily basis.

  • Which is the best airline for flights from London to Istanbul, Turkish Airlines or British Airways?

    The two airlines most popular with KAYAK users for flights from London to Istanbul are Turkish Airlines and British Airways. With an average price for the route of C$ 332 and an overall rating of 7.4, Turkish Airlines is the most popular choice. British Airways is also a great choice for the route, with an average price of C$ 366 and an overall rating of 6.7.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Istanbul?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Istanbul.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Istanbul?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Istanbul from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Istanbul?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Istanbul with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Istanbul?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Istanbul from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from London Heathrow Airport to Istanbul Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 265 or less one-way.

Prefer to fly direct from London Heathrow Airport to Istanbul?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from London Heathrow to Istanbul.
Find which airlines fly direct from London Heathrow Airport to Istanbul Airport, which days they fly and book direct flights.

Direct departures

London Heathrow to Istanbul

Monday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Tuesday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Wednesday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Thursday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Friday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Saturday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Sunday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

See more nonstop flights

Direct returns

Istanbul to London Heathrow

Monday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Tuesday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Wednesday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Thursday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Friday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Saturday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

Sunday

British Airways,Turkish Airlines

British Airways,Turkish Airlines

See more nonstop flights

Reviews of the top airlines flying from Heathrow to Istanbul

 
See real verified KAYAK customer reviews for airlines flying from London to Istanbul. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Heathrow to Istanbul? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
Turkish AirlinesOverall score based on 4454 reviews
7.3Boarding
7.5Food
7.8Crew
7.3Comfort
7.5Entertainment
Airline reviews

Food could of been a bit more premium, but everything was excellent. LOVED the innovative boarding drinks and terrific service!

10.0 ExcellentDan, May 2026
LHR - IST
Read more Turkish Airlines reviews

Food could of been a bit more premium, but everything was excellent. LOVED the innovative boarding drinks and terrific service!

Staff could have been friendlier and offered drinks more often

They have adopted a crazy "no paper boarding passes at all cost policy". We spent half an our at the checkin stall – my elderly mother and her grandchildren were flying. She had no phone reception for some reason (besides being an inexperienced smartphone user), the kids had dumbphones, And they still won't issue a paper boarding pass. We had to do a lengthy dance with getting the boarding pass SMS on my phone and transferring them to her phone via WiFi. This was horrible, honestly. I can't imagine how they could manage it without me being there. Trees (and airline profits) should be less important than people.

Staff friendly. Business class but issue with flat bed. Incoming Turkish flight delayed. Made connection due to fast buggy but luggage did not make it. Confusion at Delhi airport

With a 4 hour delay its was a very basic flight which was just bearable. We were offered food vouchers for the delay and then they didnt work, so that was annoying. Also poor communication about the delay which got pushed out 3 times.

Very good overall.... apart from the cost of extra check ed in luggage where they charge £17 per kg, and no option to just buy an extra bag allowance (at least on the route I took)

Very old plane on the Istanbul to Bangkok flight, had an emergency exit isle row, no where to put anything, on a plus point loads of leg room. Food was the best I have had in 39 years of flying.

It was a nightmare. I booked business class ticket from Ediburgh to Beirut via Istanbul to attend a funeral. I had a wonderful experience flying to Istanbul from Edinburgh. Then I could not get a boarding pass issued to Beirut. It seems that although they booked me and I had a reservation number, I had no seat allocated and the flight was full. I was asked to go from one desk to another and made to wait for 2 hours. I missed my flight as I did not have a seat assigned and it was full. The only option was to put me on the next flight, 6 hours later, for a fee of over $400. They said that was the best they can do to 'help me' and to 'take it or leave it'. Well, I was not about to be bullied; I stood my ground. I booked and paid premium for the journey, which was confirmed. The eventually accepted to not charge me extra and i waited a total of over 8 hours in the airport with no compensation. On top of my grief with the risk of missing the funeral service, I had to put up with their indifference and condescending attitude. They spoke about me in Turkish thinking I would not understand (I hold a British passport) in front of me. When they eventually handed my passport and boarding pass back to me, I showed them I was born in Istanbul and that I understood everything and said a condescending 'thank you' back to them in Turkish. You should have seen their faces. I said that consumers have rights and it is a shame that Turkish Airlines does not have good customer service to at least acknowledge and apologize for errors committed by the airline. Blaming the me, the client, for such an error and placing unreasonable ultimatums, rudeness and dismissiveness to be rid of me, particularly when I was vulnerable and visibly grieving was really shocking... The airline taints the city of Istanbul and the people of Türkiye. Such a shame.

A good airline, but at checking in, they allocated seats for my wife, and I far away from each other, and to change them, they wanted a payment, such a bad policy, it leaves a bitter taste in the mouth All was good on the plane, good food, but the air hostess was abrupt and a bit rough dealing with the passengers, but one has to find excuses for staff working under pressure

I found it okay. Did not think the food was that great. And the service could have been better. Seat was a little cramped. Delay getting to Istanbul made me rush all the way across the airport to get to the connection. This was a not good experience.

Not good because in this cancelled and then rebooked flight BA put me and my husband in both middle seats when we were originally seated together in original flight and i was in aisle. I hate sitting in the middle. BA food needs to be better. It was just ok. Thanks though to screw and everyone one for safe flight

Crew members were thorough in checking seatbelts and whatnot which makes me feel cared for because passenger safety is a main concern.

I was sent an email that said my card payment was not verified. When I spoke to an agent , he said my card was not verified and the flight I thought I had to booked was no longer available so I booked another flight on another airline(United). Later I got flight updates , etc., concerning my supposed first flight. So if I was charged for this flight on British Airways/American airlines, I need a refund.

The crew made it a great flight. They were friendly and attentive. They made me want to fly British Airways again.

Business class to Istanbul. Packed flight. Cabin crew seemed incapable of differentiating between economy and business passengers with regard to access to the WC which meant whole flight I had people standing in aisle and leaning into my aisle seat, queueing for the front WC. Crew put it down to a lack of curtain between the two classes. The seats, for a 3hrs55 min flight were just standard seats with middle seat unoccupied. So nothing special apart from the food, which was mediocre. Aside from the roast chicken dinner (‘special’ traditional British menu option, which looked poor but tasted good I gather). However 2 king prawns does not make a main course salad.

Terrible. Missed my flight to final destination because of delayed British Airways flight. Had to spend 12 hours in airport and $1500 for new plane tickets

I asked for a wheelchair. I have a back health condition. I had to walk a lot

Boarding = No one respected the boarding groups. The ground crew did nothing to enforce the boarding system. What is the point of being a Gold member when there are no benefits to that? Tired old plane

The flight and the staff was excellent. Only bad thing is no entertainment and you have to pay for anything other than water.

Flight departed 45 mins late Crew great Food items missing from breakfast

Everything you need to know for your flight from Heathrow to Istanbul

Information on your arrival and departure airports