Inter Terminal Transport Heathrow Airport

Inter-Terminal Transport at Heathrow Airport

London Heathrow Airport (LHR) offers several convenient ways for passengers to transfer between terminals, including free trains, Underground connections, pedestrian walkways, and automated transport systems.

Because Heathrow is one of the world’s largest airport complexes, understanding the inter-terminal transport system can help passengers save time during flight connections, terminal changes, hotel transfers, or parking access.

Free Train Transfers

Heathrow Express and Elizabeth Line trains connect Heathrow terminals free of charge for passengers travelling between terminals.

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Transfer time:
Usually 5–20 minutes depending on terminals

Passengers need a free inter-terminal transfer ticket to use the train system between terminals.

Underground Transfers

The Piccadilly Line also connects Heathrow terminals and can be used free of charge for inter-terminal journeys.

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Good to know:
Oyster or contactless payment required

Although no fare is charged for terminal transfers, passengers still need to tap in and out.

Walking Between Terminals

Terminal 2 and Terminal 3 are connected by a pedestrian walkway, allowing passengers to walk between terminals quickly.

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Walking time:
Approximately 10 minutes

Walking can often be faster than waiting for trains when transferring between T2 and T3.

Inter-Terminal Transfer Options

Transport Option	Terminals Connected	Average Time	Cost	Best For
Heathrow Express Fastest Option	T2, T3, T4, T5	5–20 min	Free for transfers	Fast terminal changes
Elizabeth Line	T2, T3, T4, T5	5–20 min	Free for transfers	Convenient rail transfer
Piccadilly Line	All terminals	10–25 min	Free for transfers	Alternative transfer option
Walking Route	T2 ↔ T3	10 min	Free	Passengers with light luggage
POD Transport	T5 ↔ Business Parking	4–6 min	Free	Business parking users

Most inter-terminal transfers at Heathrow are completely free when passengers remain within the airport transfer system.

Train & Underground Transfers

Heathrow’s rail network is one of the easiest ways to transfer between terminals landside.

The Heathrow Express, Elizabeth Line, and London Underground all provide inter-terminal connections between the airport’s passenger terminals.

Rail Transfer Advantages

Fast connections between terminals
Frequent departures
Covered stations inside terminals
Free inter-terminal travel
Useful for luggage transfers
Well-signposted throughout airport

Important Information

Free transfer tickets available at stations
Oyster/contactless required for Underground
Travel times vary depending on terminal
Terminal 4 transfers usually take longer
Follow purple transfer signage inside airport

Walking Between Terminal 2 & Terminal 3

Passengers can walk directly between Terminal 2 and Terminal 3 using a pedestrian underground walkway.

This option is especially convenient for passengers with hand luggage or short transfer times.

Walking Route	Estimated Time	Difficulty	Notes
Terminal 2 → Terminal 3	8–10 min	Easy	Covered pedestrian tunnel
Terminal 3 → Terminal 2	8–10 min	Easy	Clearly signposted route

Walking between Terminal 2 and Terminal 3 is often quicker than waiting for a train transfer.

Terminal Transfer Times

Transfer Route	Typical Time	Recommended Method	Notes
T2 ↔ T3	10 min	Walking	Shortest transfer
T2/T3 ↔ T4	15–20 min	Train or Underground	Includes station transfer
T2/T3 ↔ T5	15–20 min	Heathrow Express	Fastest option
T4 ↔ T5	20–30 min	Train transfer	Usually requires change

Heathrow POD Transport

At Terminal 5, Heathrow operates the Ultra Personal Rapid Transport system, also known as the Heathrow PODs.

These small automated driverless vehicles connect Terminal 5 with the Business Parking area.

Feature	Information	Useful For	Notes
POD Vehicles	Driverless electric pods	Business travellers	Automated transport system
Route	T5 ↔ Business Parking	Parking transfers	Exclusive service area
Travel Time	4–6 minutes	Fast transfers	Direct route
Availability	Frequent operation	Terminal 5 users	Very short waiting times

Heathrow Inter-Terminal Tips

Heathrow is a large airport complex, but inter-terminal transfers are generally efficient thanks to its integrated rail and transfer systems.

Fastest Transfer

Walking between Terminal 2 and Terminal 3 is often the quickest transfer option.

Allow Extra Time

Transfers involving Terminal 4 usually require additional travel time.

Use Airport Signage

Follow the purple “Flight Connections” and “Transfers” signs throughout Heathrow.

Travel Free Between Terminals

Most Heathrow terminal transfers are free when using official airport transport systems.