Cheap flights from London Heathrow to Istanbul

from as little as £186

6 nights in Istanbul, departing London Heathrow on 27 / Sep / 2025 with British Airways (price found 1 hour ago)

Subject to availability, prices correct of the last 24 hours
Istanbul

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The London Heathrow / Istanbul route

All 2553 km of it

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Istanbul flight facts

What you need to know

Alternative flights from the UK to Istanbul

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Istanbul

Today alone, Netflights has searched over 19,189 flights. 27 / Sep / 2025 is currently the lowest priced day of the year to fly the London Heathrow/Istanbul route. There are around 1,228 flights on any given week from the UK to Istanbul and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

2 °C

AVG

13 °C

HIGHEST

27 °C

Rainfall (mm)
LOWEST

22 mm

AVG

54.5 mm

HIGHEST

113 mm

Key facts about Istanbul

How to get cheap flights from London Heathrow to Istanbul

Tips and advice from our flight experts

If you're looking to fly from London Heathrow to Istanbul, you might like to know that 27 / Sep / 2025 currently has the cheapest flights. At the moment, there are eight airlines flying to Istanbul. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Istanbul.

There are 1,228 flights from London Heathrow to or via Istanbul every week. Out of the eight available airlines, the most popular ones are Turkish Airlines, Air France & Egyptair. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.

Your flight from London Heathrow to Istanbul will take at least 3 hrs 50 mins. On average, it takes 10 hrs to fly the 2553 km distance. Take a look at flight times to see which one works best for you.

If you need somewhere to stay for your trip to Turkey, take a look at our accommodation options.

Other popular destinations near Istanbul

Where other people are flying to

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