S$401 Cheap Flights from Singapore to London

Heathrow airport is located in Hillingdon, 32km (20 miles) to the west of Central London, it is by far the largest of London's airports and has five terminals. Heathrow airport serves six continents around the world, and is the base for the flag carrier British Airways in Terminal 5.

The Heathrow Express is the fastest way to travel into Central London. Trains from Heathrow leave every 15 minutes and the journey to London Paddington takes about 15-20 minutes. Trains to London leave Heathrow Airport from approximately 5am until 11.55pm. Standard adult tickets cost £21.50.

Heathrow Connect services run from London Paddington, calling at Ealing Broadway, West Ealing, Hanwell, Southall, Hayes & Harlington and Heathrow Central (Terminals 1, 2 and 3). For Terminals 4 and 5, there's a free Heathrow Express transfer service from Heathrow Central. Heathrow Connect journey time is about 25 minutes from Paddington to Heathrow Central and adult single tickets cost £10.10.

The Piccadilly line connects Heathrow Airport to Central London and the rest of the Tube system. The Tube is cheaper than the Heathrow Express or Heathrow Connect but it takes a lot longer. Tube services leave Heathrow every few minutes from approximately 5.10am to 11.45pm daily except Sunday which runs from 5.50am to 11.30pm. The journey time to Piccadilly Circus is about 50 minutes. There are three Tube stations at Heathrow Airport, serving Terminals 1-3, Terminal 4 and Terminal 5. A single ticket from Heathrow (Zone 6) into Central London (Zone 1) costs £5.70.

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