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Heathrow Airport Terminal 3

Terminal 3 opened in 1961. Today, it is used by 18 airlines and approximately 18.4 million passengers. Terminal 3 mainly operates long-haul flights, although some are to European destinations.

Please use the links below to find out about various facilities offered in this and other terminals.


Baggage EnquiriesForeign ExchangeCash Facilities
Information PointsMedical CareCommunication
Toilets and ShowersWorshipTravel Insurance

Checking In

Check-In and Flight Arrivals are located on the ground floor at the front of the building and Flight Departures are above check-in on the first floor.

Boarding usually begins around 45 minutes before departure.

Self Service Check-In

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 at the airport. Terminal 3 has kiosks located near the standard check-in desks. It is best to check with your airline to see if you are able to check in online or even on your mobile. Some airlines have dedicated apps that allow you to check in and download your boarding pass.

Arrivals is located on the left at the north end of the building on the ground floor. Check Heathrow Flight Arrivals for information on scheduled times and destinations, details of delays and cancellations, and find out which terminal to use.

International connections do not require going through Immigrations or Customs but all International to Domestic connections do.

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

Left luggage facilities are available in Terminal 3 in the Arrivals hall (open 05:30 - 23:00). The cost is £10 per item per day and £5 per additional day. Each item is security checked. You can contact Excess Baggage on +44 (0)208 759 3344.


Terminal 3 mainly deals with long-haul flights for US, South America, Asia and some flights to Europe.

  • American Airlines
  • British Airways
  • Cathay Pacific
  • Delta Airlines
  • Emirates
  • Finnair
  • Iran Air
  • Japan Airlines
  • MEA Middle East Airlines
  • Oman Air
  • Pakistan International Airlines
  • Qantas
  • Royal Jordanian
  • Sri Lankan Airlines
  • Turkmenistan Airlines
  • US Airways
  • Virgin Atlantic
  • Vueling

This information is subject to change. If you are not sure which terminal you need, check with your airline and look at our Heathrow Flight Departures page.