$57 Cheap Flights from Istanbul (IST) to London (LHR)

Popular airlines from Istanbul Airport (IST) to Heathrow Airport (LHR)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from Istanbul to London (IST-LHR)

Prices were available within the past 7 days and start at $57 for one-way flights and $167 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
British Airways
British Airways
British Airways
British Airways
British Airways
Turkish Airlines
Lufthansa
Aegean
Air Serbia

Frequently asked questions

How much does a flight from Istanbul (IST) to Heathrow Airport (LHR) cost?
Cheap return fares from Istanbul (IST) to Heathrow Airport (LHR) start at $198. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a British Airways and Pegasus Airlines flight leaving IST on May 8 2025 and touching down at LHR. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from IST to LHR?
The cheapest flights from IST to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Istanbul (IST) to Heathrow Airport (LHR)?
You can’t catch a nonstop flight from Istanbul (IST) to Heathrow Airport (LHR). However, you can easily reach London without any layovers by leaving from Ataturk Intl. Airport (IST).
What is the cheapest airline that flies from IST to LHR?
Currently, the cheapest airline operating one-way flights from IST to LHR is British Airways. You can jet off on this route from $75. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IST on May 20 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Istanbul (IST) to Heathrow Airport (LHR)?
Direct flights from Istanbul (IST) to Heathrow Airport (LHR) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from IST to LHR?
Usually you’ll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from IST to LHR?
British Airways has the best track record for on-time direct flights from Istanbul (IST) to Heathrow Airport (LHR), with an on-time score of 87%. Use the Expedia App to see your journey status before you take off and get immediate updates about any changes.
What is the best time to fly from Istanbul (IST) to Heathrow Airport (LHR)?
Choose a flight from Istanbul (IST) to Heathrow Airport (LHR) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Heathrow Airport (LHR) last-minute?
Booking your flight from IST to LHR right before your journey is generally more expensive. But if you’re flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book an IST to LHR flight and hotel package?
Compared with arranging hotels and flights separately, booking an IST to LHR flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Just pick your flights and choose from our wide range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Istanbul (IST) to Heathrow Airport (LHR)?
Typically, it’s possible to cancel or reschedule your IST to LHR flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more details on our Customer Service portal.
*Available to One Key members.