Heathrow Airport Terminal 3

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Heathrow Airport Terminal 3

Terminal 3 opened in 1961. Today, it is used by 43 airlines and approximately 15.5 million passengers. Terminal 3 mainly operates long-haul flights, although some are to European destinations.

Check-in is located on the ground floor at the front of the building and departures is above check-in on the first floor.

International flights - check in 3 hours prior to departure
European flights - check in 2 hours prior to departure
Domestic flights - check in 1 hour prior to departure

Boarding usually begins around 45 minutes before departure.

Self service check-in is available with some airlines, it is simple and safe to use and can save you a lot of time at the airport. Self service check-in is available both online and in kiosks located in the airport. Terminal 3 has self service check-in kiosks located near the standard check-in desks. You can use this service if you are flying with the following airlines:

Air Canada
American Airlines
British Airways
Gulf Air
Japan Airlines
SAS
Virgin Atlantic Airways

The airlines operating from terminal 3 that offer online self-service check in are:

Arrivals is located on the left at the north end of the building on the ground floor. You can check arrival times online here.

International connections do not need to go through Immigrations or Customs but all International to Domestic connections do.

Domestic to International connections can use the special Immigration check points if baggage is through-checked.

Left luggage facilities are available in Terminal 3. Open from 05.00 – 23.00 at a cost of £6 per item per day. Each item is security checked. You can contact Excess Baggage on +44 (0)208 745 4599.

Heathrow Airport Guide