£56 Find Cheap Flights from Istanbul to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Istanbul to Heathrow departing on 25/2. 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

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Istanbul to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Istanbul to London, as well as popular online travel agencies
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Everything you should know

Cheapest return fare
£121
Typical prices: £152-£228
British Airways
jue. 15/1mié. 21/1
IST - LHR • Direct
Cheapest one-way flight
£56
Typical prices: £87-£185
British Airways
mié. 25/2
IST - LHR • Direct
Our travellers' advice
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
Turkish Airlines' Economy Class offers 30-33 inches of legroom.
Bring your own headphones for better audio quality.
Expert advice
Expert advice
+1
+1
Expert advice
Expert advice
+1
Top airlines
British Airways
Cheapest • from £121 (return)
Turkish Airlines
Best reviews • 7.3 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
IST-LHR
Cheapest • 31% average savings
IST-LHR
Most popular
Insights
Insights
Insights
Insights
When to book
5 weeks
in advance
Our data shows that travellers who book at least 5 weeks in advance save around 2% compared to booking last minute.
Insights
Insights
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Istanbul to Heathrow

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Istanbul to Heathrow 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 return flight deals from Istanbul to Heathrow

jue., 15 ene. - mié., 21 ene.
British Airways Logo
18:40 - 19:55
IST
-
LHR
4h 15mdirect
British Airways Logo
06:50 - 13:45
LHR
-
IST
3h 55mdirect
£121British Airways
jue., 15 ene. - mié., 21 ene.
Multiple Airlines Logo
18:40 - 19:55
IST
-
LHR
4h 15mdirect
Multiple Airlines Logo
17:50 - 16:55
LHR
-
IST
20h 05m1 stop
£135Multiple Airlines
lun., 29 dic. - mar., 6 ene.
LOT Logo
18:30 - 22:00
IST
-
LHR
6h 30m1 stop
LOT Logo
10:25 - 00:40
LHR
-
IST
11h 15m1 stop
£137LOT
vie., 16 ene. - sáb., 31 ene.
British Airways Logo
18:40 - 19:55
IST
-
LHR
4h 15mdirect
British Airways Logo
17:40 - 00:35
LHR
-
IST
3h 55mdirect
£146British Airways
dom., 25 ene. - dom., 1 feb.
British Airways Logo
21:20 - 22:35
IST
-
LHR
4h 15mdirect
British Airways Logo
13:20 - 20:15
LHR
-
IST
3h 55mdirect
£147British Airways
sáb., 24 ene. - sáb., 31 ene.
British Airways Logo
18:40 - 19:55
IST
-
LHR
4h 15mdirect
British Airways Logo
17:40 - 00:35
LHR
-
IST
3h 55mdirect
£149British Airways
vie., 13 mar. - dom., 15 mar.
British Airways Logo
14:55 - 16:20
IST
-
LHR
4h 25mdirect
British Airways Logo
18:15 - 01:10
LHR
-
IST
3h 55mdirect
£151British Airways
jue., 22 ene. - lun., 26 ene.
British Airways Logo
18:40 - 19:55
IST
-
LHR
4h 15mdirect
British Airways Logo
17:55 - 00:50
LHR
-
IST
3h 55mdirect
£152British Airways
lun., 19 ene. - lun., 26 ene.
British Airways Logo
18:40 - 19:55
IST
-
LHR
4h 15mdirect
British Airways Logo
07:25 - 14:20
LHR
-
IST
3h 55mdirect
£152British Airways
lun., 9 feb. - mié., 11 feb.
Multiple Airlines Logo
12:55 - 18:40
SAW
-
LHR
8h 45m1 stop
Multiple Airlines Logo
08:50 - 20:30
LHR
-
SAW
8h 40m1 stop
£169Multiple Airlines
Booking Insights

KAYAK's insights & trends for Istanbul to Heathrow flights

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

How much is a return flight from Istanbul to London Heathrow Airport?

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

What is the cheapest Istanbul to London Heathrow Airport flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The absolute cheapest return flight from Istanbul to London Heathrow Airport costs £84 on the route between Istanbul Airport (IST) and London Heathrow Airport (LHR). However, over the past month, flights between Istanbul Sabiha Gokcen Airport (SAW) and London Heathrow Airport (LHR) were, on average, 31% cheaper than other Istanbul-London Heathrow Airport routes. The most popular route is between Istanbul Airport (IST) and London Heathrow Airport (LHR).

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

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

Your flight ticket price will generally be cheaper if you fly to London Heathrow Airport on a Friday and more expensive on a Wednesday. On your return trip to Istanbul, you should consider flying back on a Tuesday, and avoid Saturdays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Istanbul to London Heathrow 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 Istanbul to London Heathrow Airport is March, where tickets cost £162 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is £294 and £291 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Istanbul to London Heathrow 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 Istanbul to London Heathrow Airport, you should book around 5 weeks before departure, which saves you about 2% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

Expert advice for your flight from Istanbul to Heathrow

 
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.
Airlines
Turkish Airlines

Turkish Airlines' Economy Class offers 30-33 inches of legroom and personal screens.


Turkish Airlines provides free inflight messaging with Miles & Smiles membership.

British Airways

BA's economy fares include a cabin bag, unlike many budget carriers.


BA's premium economy offers 18 cm extra legroom, ideal for long flights.

Airports
IST

For business travelers, the Turkish Airlines Business Lounge offers private suites, showers, and Wi-Fi, ideal for getting work done before your flight.

LHR

The Heathrow Express takes you to London Paddington in just 15 minutes. Buy tickets in advance for the best rate.

Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on Turkish Airlines

Gabriel Leigh

Gabriel Leigh

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.

Read more
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan Madden

Duncan Madden

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.

Read more
Kirstie Pickering

Kirstie Pickering

Expert on LHR

Kirstie Pickering

Kirstie Pickering

Aviation and business journalist Kirstie didn’t leave England until she was 18 years old, but has since travelled to over 20 countries including Japan, Canada, and Iceland. Her travel expertise lies in European city breaks, including how to find the best locally-owned hotels and restaurants and how to optimise the airport experience for your needs.

Read more
Jenna Scatena

Jenna Scatena

Expert on IST

Jenna Scatena

Jenna Scatena

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.

Read more

Good to know - Cheap tickets from Istanbul to London Heathrow Airport

Cheapest flight£56
Flight from Istanbul Airport to London Heathrow Airport

When to book flights from Istanbul to Heathrow

Are your dates flexible? Find out the best times to travel from Istanbul to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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.

Flights from Istanbul to Heathrow: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Istanbul to Heathrow 
EmreFlew with Turkish Airlines
IST
-
LHR
Sept 2024
Do not book the flights to Heathrow as they are star allience joint flights there are a lot of issues with the check-in and transfer documents are not checked in Turkey so there is a huge wait time problem during the border control due to this. It takes approximately 15 minutes for someone to go through checks because of this and if you are back at the que after the flight this issue costs you 2 hours wait time at the airport.
KFlew with Turkish Airlines
IST
-
LHR
Mar 2024
Old entertainment and bad quality headphones, couldn't hear anything. Take your flight headphone to enjoy movies

FAQs for booking Istanbul to London Heathrow Airport flights

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

    In the last 3 days, the lowest price for a flight from Istanbul to London Heathrow Airport was £56 for a one-way ticket and £121 for a return.

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

    Istanbul is served by 2 major airports and there is only 1 main airport in London Heathrow Airport. You will leave Istanbul from one of these airports: Istanbul or Istanbul Sabiha Gokcen. You will be arriving at London Heathrow.

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

    We unfortunately don’t have that data for this specific route.

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

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

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

    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 Istanbul to London Heathrow Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Istanbul 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 Istanbul to London Heathrow Airport?

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

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

    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 London Heathrow Airport from Istanbul up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Istanbul to London Heathrow Airport?

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

Direct departures

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 direct flights

Direct returns

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 direct flights

Reviews of the top airlines flying from Istanbul to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Istanbul to London. 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 Istanbul to Heathrow? 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.
7.3
Turkish AirlinesOverall score based on 4089 reviews
7.3Comfort
7.8Crew
7.4Entertainment
7.4Food
7.3Boarding
Airline reviews

This is not business class. This is premium economy. Total scam to sell this as business class

2.0 MediocreAnonymous, Dec 2025
IST - NBO
Read more Turkish Airlines reviews

This is not business class. This is premium economy. Total scam to sell this as business class

Seats too much and for the price we paid eve thought economy we still had to pay $169 to check a ba that’s ridiculous and also my daughter needed water so she can take her medicine we push the boton for the attendant to get us water they never came we push it 3 times no one came and ask what we needed . Am not happy with the service at all I will not fly with TK anymore

Boarding experience was a mess- both to and from Istanbul airport. No one knew anything. They asked everyone to line up according to their sit numbers- it was unbelievable. Business class had a separate line, but it was hard to find- I had to go through all that mess before finding it. Would not recommend

My experience with Turkish Airlines was good. I didn’t get the meal I ordered. So I didn’t have anything to eat which was disappointing.

They can my date of travel and let me standard in Istanbul for three days stop over and only pay for one day in a hotel with only one breakfast for three days.

the flight was cancelled and I was rebooked twice, once 26 hours later, then another 24 hours later. In total the flight was delayed for 40 hours. Never again will I use kayak or Turkish Airlines for my travel.

Worst experience with boarding once we left the wheel chair even traveling business we had to wait with all the crowd for the bus to take us to the plane then climb the stairs with our bags When you pay extra for comfort and convenience and you don’t get any is disappointing

Food is very turkish. No regard for other natinalities taste and preference. The entertainment can be improved- it was the same menu on 10/8/25 and 10/25/25. The boarding is the worst in the airline industry- I suggest you ask your staff to and watch how other airlines do it.

The best airline for international travel in terms of value you get in business class (service/cost)

I liked the overall flight experience. However, Turkish officials could do a better job at guiding non-Turkish speakers to their connecting flight gates in such a huge & vast airport.

Check in was was and the agent was very friendly and helpful The lounge was nice...boarding was straight from the lounge Everything worked at our seats, and video entertainment was good ..food was mediocre

The flight was excellent in World Travellor plus. Well worth the extra money. Boarding at Phoenix was the usual poorly organized event. Very stressful.

Although business class, the seating was really cramped. The food was so so.

Not only were the aircrafts spacious, but the crew was friendly and efficient. I was so gracious for the included meals on the longer flight (8+ hours).

Smooth trip no turbulence which is always a bonus for me lol! In cattle class so an element of being a bit squished (but not as bad as other shorter haul airlines) smaller plane than the one we flew out on and entertainment system wasn’t as modern but still definitely passed the time. Lovely crew x

The check-in baggage belt was broken (which is understandable) but what was surprising is they would check you in, give a baggage tag and then you have to drag the baggage to a different counter at the end of airport. No vegetarian option in in-flight meal. British Airways remains the worst big name airlines and always my last option while booking.

Decrepit planes, poor business class layout designed to maximize revenue, no decent movie selection.

Entertainment did not work from DC to London. Was not able to check in online during my return journey from Mumbai to London. Food was good!

The to flight was excellent but the return flight the seats seemed not cushioning enough.

⭐ British Airways Review — A Journey of Highs, Lows, and Lessons ⭐ I recently flew Business Class round-trip from Boston to Mumbai with British Airways, and my experience was a tale of two extremes — from disappointment to exceptional service, and then back to inconsistency. Boston → London: A Surprisingly Poor Start My journey began on a disappointing note. On a 6-hour Business Class flight, I was surprised to discover that there wasn’t a single proper vegetarian meal option available. I was offered a few bakery items only after repeatedly requesting something to eat. The flight attendant shrugged, offered no solution, and eventually — quite literally — threw some bread at me after much delay. This was not only disheartening, it was extremely surprising given my wonderful Business Class experience with BA last year. I stepped off that flight genuinely hungry and had to make a mad dash to the lounge just to get a proper meal. London → Mumbai: A Complete Turnaround The next sector restored my faith in British Airways. The entire crew was warm, welcoming, attentive, and genuinely caring. A special shoutout to Phiroze, Sara and the entire team serving the Business Class cabin — their professionalism, hospitality, and thoughtful service were extraordinary. They truly embodied what makes British Airways a global leader, and I am deeply grateful for the experience they provided. This is the BA I know and love. Mumbai → London: A Strange Meal Schedule This sector was generally fine, but the meal timing was puzzling. Lunch at 10:30 AM — for a Business cabin — felt unusual, and most passengers, including myself, barely touched it. The rest of the service was smooth, but the scheduling definitely needs a rethink. London → Boston: Mixed Experience Again The flight itself was decent, but the Business Lounge at Heathrow for this leg was a letdown. Arrived during lunch hours: no hot vegetarian options available Lounge area: dirty dishes everywhere Even after politely alerting the staff, the dishes were ignored and left uncleared For a premium cabin passenger — and at one of the world’s busiest international hubs — this was disappointing. Overall Impression My journey with British Airways felt inconsistent — two great sectors sandwiched between two that fell short of the BA standard. When BA is good, it is world-class. When it misses, the gap is noticeable. I genuinely hope the airline takes this feedback as constructive insight. I continue to believe in British Airways, and I commend the outstanding crew on the London → Mumbai sector — they were the highlight of my entire trip. With a little more focus on vegetarian meal availability, lounge service, and consistency across crews, BA can ensure every Business Class passenger experiences the premium journey they promise.

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

Information on your arrival and departure airports