Another Caribbean island you may explore in 2021 thanks to current Virgin Atlantic promotion is Grenada! These are prpbably the cheapest return flights we have seen from Europe so if you take advantage of this discount you can book cheap return flihgts from London Heathrow
Flying from: London
Flying to: Grenada
Airline(s): Virgin Atlantic
Travel period: January to June 2021
Book by: 1st of December 2020
Booking sample of cheap direct flights from London to Grenada for just £313! In this case, you would fly from the United Kingdom to this tropical Caribbean island on the 4th of March. You would return from Grenada back to the UK one week later, on the 11th of March 2021.