Cheap flights from London Heathrow Airport to Istanbul from £89
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 19/9. 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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1 adult
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One-way
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Cheap return flights
These are some of the best return flight deals from London Heathrow Airport to Istanbul that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Istanbul.
Cheap last-minute flights
Planning a quick getaway from London Heathrow Airport to Istanbul? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Istanbul, so you can enjoy a seamless trip without stopovers.
Turkish Airlines flights from London Heathrow Airport to Istanbul
Our best Turkish Airlines deals on London Heathrow Airport to Istanbul flight tickets
Turkish Airlines![Turkish Airlines]()
7 May![Turkish Airlines]()
22 May
LHR19:05London Heathrow
3h 55m
IST01:00Istanbul
IST20:30Istanbul
3h 55m
LHR22:25London Heathrow
Turkish Airlines![Turkish Airlines]()
28 May![Turkish Airlines]()
11 Jun
LHR16:40London Heathrow
4h 00m
IST22:40Istanbul
IST13:45Istanbul
4h 10m
LHR15:55London 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![British Airways]()
3 Jun![British Airways]()
18 Jun
LHR18:35London Heathrow
3h 55m
IST00:30Istanbul
IST17:35Istanbul
4h 00m
LHR19:35London Heathrow
British Airways![British Airways]()
23 Sept![British Airways]()
2 Oct
LHR18:35London Heathrow
3h 55m
IST00:30Istanbul
IST19:55Istanbul
4h 00m
LHR21:55London Heathrow
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
Prices
Airlines
Other information
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?
The month of January is, on average, the cheapest month to fly to Istanbul from London Heathrow Airport, with most prices found around £154. 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 £159.
What is the cheapest day to depart on your flight to Istanbul?
On average, the least expensive day to fly to Istanbul from London Heathrow Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as £483. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Istanbul on a Saturday will generally be more expensive and average around £554. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Istanbul?
Flying to Istanbul from London Heathrow Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as £321 when looking at flights departing at midday. Flights to Istanbul are more costly in the afternoon, with an average ticket price of £471. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
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 22 weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around £217 when searching 22 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 £201 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.
What is the cheapest airline that flies from London Heathrow to Istanbul?
British Airways, KLM, and Aegean Airlines are the most popular carriers operating from London Heathrow to Istanbul
Which airlines fly to Istanbul?
British Airways, Turkish Airlines and Wizz Air are the top three most popular airlines that fly to Istanbul from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Istanbul. Keep in mind that there are 13 different airlines that fly to Istanbul on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Istanbul on average per day?
As of April 2025, 32 flights take off from London Heathrow Airport and land in Istanbul each day. The most common flight departure time for this route is 11:00, with 45% of daily flights taking off in the evening.
How many flights depart from London Heathrow Airport to Istanbul on average per week?
229 flights are operational weekly from London Heathrow Airport to Istanbul as of April 2025. The most popular departure day for this route is Tue, with 20% of flights per week taking off on this day.
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
How far is London Heathrow to Istanbul by plane?
There are 1564.7 mi between London Heathrow and Istanbul. Flights usually cover this in 3h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Heathrow Airport to Istanbul?
Prices for flights from London Heathrow Airport to Istanbul are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Istanbul?
As of April 2025, there are 13 operators available to choose from 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 required travel and health documents for your Istanbul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Istanbul. We recommend that you seek guidance from your airline or a reliable 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 | ||
|---|---|---|---|---|---|
| PriceFrom £46 | Free Cancellation | Rating 5.9 140 reviews | |||
| PriceFrom £67 | Free Cancellation | Rating 6.7 620 reviews | |||
| PriceFrom £88 | Free Cancellation | Rating 6.5 71 reviews | |||
| PriceFrom £96 | Free Cancellation | Rating 4.2 8 reviews | |||
| PriceFrom £117 | Free Cancellation | Rating 6.3 196 reviews | |||
| PriceFrom £119 | Free Cancellation | Rating 7.4 1,444 reviews | |||
| PriceFrom £126 | Free Cancellation | Rating 6.6 6,834 reviews | |||
| PriceFrom £141 | Free Cancellation | Rating 7.6 1,069 reviews | |||
| PriceFrom £154 | Free Cancellation | Rating 6.7 7,042 reviews | |||
| PriceFrom £159 | Free Cancellation | Rating 8.1 739 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Istanbul?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Istanbul . Millions of users trust and use momondo every year so you are in good hands.
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 helps you find the best flight between London and Istanbul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from London to Istanbul right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Istanbul from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.