Great Circle Distance between Heathrow and Singapore Changi Airport is 6,762 miles, with a flight time of approx 14 hrs. Singapore's IATA airport code is SIN.
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Climate:
Singapore is located a few miles north of the equator and so experiences a hot and wet tropical climate throughout the year. Temperatures vary between 20°C and 30°C. The highest levels of rainfall are reached in November and January while the dry season extends between the months of May and July.
Covid-19 Data for Singapore
Data (updated weekly) from the European Centre for Disease Prevention and Control on the geographic distribution of COVID-19 cases & deaths.
BA Tier Points Earned
| Route 1 | LON‑SIN
(BA)  |
|
|
| TOTAL
(SGL) | TOTAL
(RTN) |
|---|
| Economy | 80 | | | | 80 | 160 |
| WTP | 100 | | | | 100 | 200 |
| Business | 160 | | | | 160 | 320 |
| First | 240 | | | | 240 | 480 |
| |
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, 
Finnair, 
Iberia, 
Japan Airlines, 
Malaysia Airlines, 
Qantas, 
Qatar Airways, 
Royal Air Maroc, 
Royal Jordanian, 
S7 Airlines, 
SriLankan Airlines
Avios Required (per leg) for BA Redemption Flight from London to Singapore, (Zone 8, 6,501-7,000 miles)
| Cabin | Off Peak Travel | Peak Travel |
| Economy | 22,750 | 35,000 |
| World Traveller Plus | 45,500 | 70,000 |
| Club | 87,500 | 105,000 |
| First | 119,000 | 140,000 |
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