Heathrow Terminals
London Heathrow Airport has the following terminals:
Heathrow Terminal 2
The newest terminal in Heathrow Airport, also called Queen’s Terminal.
Most of the international services departs and arrives from Terminal 2.
It has a satellite pier, Terminal 2B.
Heathrow Terminal 3
Terminal 3 serves international flights to Dubai, US and Canada.
Heathrow Terminal 4
Terminal 4 operates international flights to North Africa, Asia and Europe.
It is the only terminal at Heathrow Airport that can handle Airbus A380.
Heathrow Terminal 5
Terminal 5 is a hub for British Airways. Even though, Iberia also operates flights from this terminal.
It counts with three concourses; A, B and C.
Transfer between terminals
For passengers that want to travel between terminals, there are frequent flight connection buses that transfer passengers from one area to another.
Another options is to take free shuttle trains from Heathrow Central Station in T2 and T3 to T4 and T5. Passengers can get a free Inter-Terminal Transfer Ticket at the station. Transfer. time: 20 minutes. Oyster card can also be used.
Another option is taking the underground, that run between terminals too. Transfer is free if passengers use Oyster card.
For more information check here.