Cheap Flights from Istanbul to London

FAQ

• When is the best time to book flights from Istanbul to London?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Istanbul to London is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• When are flight tickets from Istanbul (IST) to London (YXU) the cheapest?

  The cheapest months to fly from Istanbul to London is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Istanbul to London on?

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Istanbul to London on November 21, 2025 with Turkish Airlines, with prices starting at £739.

• Is there any time difference between Istanbul and London?

  The time difference between London and Istanbul is 8h.

• How do I change or cancel my ticket from Istanbul to London?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.