Cheap flight from London to Castries from $755

Frequently Asked Questions

• Which airlines offer direct flights from London to Castries?

  At the moment, you can catch a nonstop flight from London to Castries with the following airlines, including: British Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from London (LON) to Castries (SLU) and what is the distance?

  It takes around 9 hours 5 minutes to fly from London (LON) to Castries (SLU).

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Castries 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.

• How many flights are there per week from London to Castries?

  Based on Trip.com data in the past 4 weeks, there is 5 flight per week flying from London to Castries. You can check the weekly schedule for popular airlines on this route below: British Airways: S/-/-/W/T/F/S -- BA2159 (11:31)

• When are flight tickets from London (LON) to Castries (SLU) the cheapest?

  The cheapest months to fly from London to Castries is November, when demand for travel is lower.

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

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from London to Castries on November 12, 2025 with British Airways, with prices starting at $691.

• Which airports can I fly to for Castries from London?

  You can land at any one of the following hubs in Castries, with London Gatwick Airport to Hewanorra International Airport (LGW-UVF) is by far the most common option on this route: Hewanorra International Airport (UVF) George F. L. Charles Airport (SLU).

• Is there any time difference between London and Castries?

  The time difference between Castries and London is 4h.

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

  Tickets can only be changed or canceled 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.