What is the best way to transfer between terminals Heathrow?
Free London Underground services and shuttle trains (Elizabeth Line and Heathrow Express) are available for inter-terminal transfers between Heathrow Terminals 2&3 and Heathrow Terminal 4.
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Terminal 3You can walk between Terminals 2 and 3 via the pedestrian underpass. The route is well signposted and can be followed on our interactive Heathrow map. If you have an impairment or mobility difficulties, find out how to request assistance.
We recommend that you allow the following minimum connection times: 1 hour for connections within the same Heathrow terminal. 1 hour 30 minutes for connections that require travel between terminals at Heathrow.
Everyone who boards an aircraft at Heathrow has to be security screened to UK government standards. Even if you've already been through security checks at another airport, we're obliged to screen you again before you fly from Heathrow.
Walking is only available between terminals 2 and 3 as they are located at the centre of Heathrow airport while the other terminals are significantly farther apart.
Heathrow has world class infrastructure designed to make getting around as simple as possible using three different methods: Shuttle train, bus (only between terminals 4 and 5) and walking (only between terminals 2 and 3).
Overall, passengers usually have to re-clear security for connecting flights, though there may be some exceptions depending on the airport and flight itinerary. To make this process easier, checking with the airline or airport ahead of time is recommended.
Minimum connection times: allow at least 60 minutes for connections within the same terminal, and at least 90 minutes for connections that require travel between terminals. You'll need to allow extra time if you need to collect your bags and go through security.
Minimum connection times: allow at least 60 minutes for connections within the same terminal, and at least 90 minutes for connections that require travel between terminals. You'll need to allow extra time if you need to collect your bags and go through security.
We recommend that you allow the following minimum connection times: 1 hour for connections within the same Heathrow terminal. 1 hour 30 minutes for connections that require travel between terminals at Heathrow.
We recommend that you allow at least 3 hours if you're connecting between these airports. Your baggage will not be automatically forwarded, so please collect all your bags before leaving Heathrow or Gatwick airport.
Transfer from a domestic flight to an international flight (same or different airlines) requires a minimum of 2 hours. I recommend at least 2.5 hours. Transfer from an international flight to a domestic flight (same or different airline) requires an absolute minimum of 2 hours but I recommend at least 2.5 hours.
You will need to go through passport control (and customs if applicable) and then check in again as normal for your connecting flight, so please ensure you have enough time.