Great Circle Distance between Heathrow and Sir Grantley Adams International Airport is 4,195 miles, with a flight time of approx 9 hrs. Barbados's IATA airport code is BGI.
Show Sir Grantley Adams International Airport on map.
One World Lounge Details Here.
Climate:
Barbados benefits from a typically tropical climate with two well defined seasons: The dry season which runs from November to May and the rainy season from June to October. There is lots of sunshine here with temperatures varying between 25°C and 35°C. Short tropical downpours could occur at any time throughout the year although the period between June and October can bring storms and harder rainfall for longer periods. However you can comfortably visit Barbados at any time of the year.
BA Tier Points Earned
| Route 1 | LHR‑BGI
(BA)  |
|
|
| TOTAL
(SGL) | TOTAL
(RTN) |
|---|
| Economy | 20 | | | | 20 | 40 |
| WTP | 90 | | | | 90 | 180 |
| Business | 140 | | | | 140 | 280 |
| First | 210 | | | | 210 | 420 |
| |
Economy Tier Points shown are based on fully flexible fares. 'Low' Economy earns 50% of the shown amount. 'Lowest' Economy fares earn 25% of shown amount.
When journey is booked in World Traveler Plus or First and those cabins don't exist on particular legs, the next cabin down will be used on those legs for points collection.
When booking with BA, tier points can be earned on the following 
Oneworld Alliance ® airlines:
Alaska Airlines, 
American Airlines, British Airways, 
Cathay Pacific, 
Fiji Airways, 
Finnair, 
Iberia, 
Japan Airlines, 
Malaysia Airlines, 
Qantas, 
Qatar Airways, 
Royal Air Maroc, 
Royal Jordanian, 
SriLankan Airlines
Avios Required (per leg) for BA Redemption Flight from London to Bridgetown, (Zone 6, 4,001-5,500 miles)
| Cabin | Off Peak Travel | Peak Travel |
| Economy | 16,250 | 25,000 |
| World Traveller Plus | 32,500 | 50,000 |
| Club | 62,500 | 75,000 |
| First | 85,000 | 100,000 |
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