Cheap flights from London Heathrow Airport to Istanbul from $125
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 5/12. 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
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip 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 layovers.
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]()
May 14![Turkish Airlines]()
May 27
LHR4:40 pmLondon Heathrow
4h 00m
IST10:40 pmIstanbul
IST8:30 pmIstanbul
3h 55m
LHR10:25 pmLondon Heathrow
Turkish Airlines![Turkish Airlines]()
Jun 4![Turkish Airlines]()
Jun 18
LHR10:25 pmLondon Heathrow
3h 50m
IST4:15 amIstanbul
IST1:45 pmIstanbul
4h 10m
LHR3:55 pmLondon 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]()
Oct 4![British Airways]()
Oct 9
LHR6:30 pmLondon Heathrow
3h 50m
IST12:20 amIstanbul
IST7:55 pmIstanbul
4h 00m
LHR9:55 pmLondon Heathrow
British Airways![British Airways]()
Oct 13![British Airways]()
Oct 17
LHR6:35 pmLondon Heathrow
3h 50m
IST12:25 amIstanbul
IST8:25 pmIstanbul
4h 00m
LHR10:25 pmLondon 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 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 $206. 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 $213.
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 $330. 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 $624.
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 at noon. Flights from London Heathrow Airport to Istanbul during this time can be as low as $269. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $457 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 22 weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around $290 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 $269 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?
KLM, British Airways, and Air Serbia are the most popular carriers operating from London Heathrow to Istanbul
What airlines fly to Istanbul?
Turkish Airlines, British Airways and LOT are the top three most popular airlines that fly to Istanbul from London Heathrow Airport according to our data. Turkish Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Istanbul. Keep in mind that there are 4 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, there are 36 flights per day flying from London Heathrow Airport to Istanbul. The most common time of day flights depart is 6:00PM, with 43% of flights taking off in the evening.
How many flights depart from London Heathrow Airport to Istanbul on average per week?
As of April 2025, there are 258 flights per week flying from London Heathrow Airport to Istanbul. The most common day of the week flights depart is Mon, with 17% of flights 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?
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?
As of April 2025, there are 4 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 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 | ||
|---|---|---|---|---|---|
| PriceFrom $72 | Free Cancellation | Rating 5.9 140 reviews | |||
| PriceFrom $168 | Free Cancellation | Rating 6.6 6,837 reviews | |||
| PriceFrom $203 | Free Cancellation | Rating 7.6 1,069 reviews | |||
| PriceFrom $210 | Free Cancellation | Rating 7.3 3,790 reviews |
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.