jetBlueDepart16:30
Sat, 27 MarUVF → LHR
12h 00m · 1 stop
US$532one way, per person
View deal
- Cheapest fare
- US$532
- Cheapest month
- March
- Direct flights
- Yes
- Flight time
- 8h 15m
jetBlue · Sat, 27 Mar
from US$532
British Airways
6,800 km
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Cheapest month to fly from Castries to London
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in March 2027
The lowest fares we've seen for each day, cheapest first.
See every date in March 2027 →
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Getting around
About flights from Castries to London
Castries (SLU) and London (LON) are about 6,800 km apart. Direct flights take around 8h 15m, and recent direct fares were with British Airways. Over the next few months, one-way fares start from US$532, and March 2027 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Castries to London?
The cheapest one-way fare we've seen recently is US$532 with jetBlue, departing Saturday, 27 March 2027. Over the coming months, the lowest fare in each month ranges from US$532 to US$580.
What is the cheapest month to fly from Castries to London?
March 2027 currently has the lowest fares, from US$532 one way.
Are there direct flights from Castries to London?
Yes. Recent direct fares were with British Airways.
How long is the flight from Castries to London?
A direct flight takes about 8h 15m. Castries and London are around 6,800 km apart.
Which airlines fly from Castries to London?
Recent fares on this route were with jetBlue and British Airways.