How to travel Heathrow for free

Heathrow Airport has a reputation for being expensive, but passengers who know their way around the airport can actually make a surprising number of journeys without paying anything. From free terminal transfers by train to complimentary local buses serving airport hotels, understanding Heathrow's Free Travel Zone could save travellers considerably more than they might expect.

London Heathrow is enormous.

With four passenger terminals currently in operation, two runways, hotels spread around the airport perimeter and a complicated network of roads, railways and bus routes, getting from one part of Heathrow to another isn't always straightforward.

For passengers unfamiliar with the airport, the obvious solution may be to jump into a taxi, book a hotel shuttle or pay for the first transport option they see.

But that can be unnecessarily expensive.

In 2019, Heathrow has something many occasional passengers don't realise exists: a Free Travel Zone.

Used correctly, it allows passengers to make a number of journeys around Heathrow without paying a fare.

One of the first things passengers need to understand is that Heathrow isn't a single building.

Terminal 2 and Terminal 3 form part of the airport's central terminal area.

Terminal 4 sits separately towards the southern side of the airport.

Terminal 5 is positioned on the western side.

Moving between them can therefore involve considerably more than simply walking through a corridor.

Fortunately, passengers have several options.

And depending on exactly where you're travelling, some of them are completely free.

The simplest situation is an airside flight connection.

If you're arriving at Heathrow and connecting onto another flight without entering the UK arrivals process, Heathrow operates dedicated transfer arrangements between terminals.

Passengers should follow the airport's purple Flight Connections signs after leaving their aircraft.

Dedicated buses transport connecting passengers between terminals within Heathrow's secure area.

There is no separate fare for these airside connections.

This is usually the appropriate option for a passenger whose itinerary requires changing terminals while remaining within the airport's flight-connections system.

This distinction matters.

Once a passenger goes through immigration and enters the public arrivals area, they are landside.

They can no longer use the airside flight-connection buses.

Instead, they need to use Heathrow's public transport connections between terminals.

Fortunately, there are free options for those journeys as well.

Heathrow Express is normally associated with the premium train service between Heathrow and London Paddington.

A ticket into Central London isn't cheap.

But travelling between Heathrow's terminals is a completely different matter.

In 2019, train transfers within Heathrow are free.

Passengers can travel between Heathrow Central (Terminals 2 and 3) and Terminal 5, and between Heathrow Central and Terminal 4.

Travelling between Terminal 4 and Terminal 5 requires changing at Heathrow Central.

The important point is that passengers remaining within Heathrow's terminal area don't need to purchase an ordinary Heathrow Express ticket.

There has been an important change compared with previous years.

Ticket barriers are now operating at Heathrow's railway stations.

That means passengers can no longer simply walk onto the train for their free terminal transfer.

Instead, look for the dedicated machines at the station.

Passengers can obtain a free inter-terminal transfer ticket and use it to pass through the ticket barriers.

Alternatively, Oyster or a contactless payment card can be used to operate the barriers for eligible journeys within the Heathrow terminal zone.

The journey remains free.

The barrier simply means you now need something to open the gate.

There is an obvious limitation.

A free Heathrow transfer ticket is exactly that: a transfer ticket within Heathrow.

It isn't a free ticket to Paddington.

If you continue beyond Heathrow's airport stations towards London, the normal rail fare applies.

Passengers should therefore be careful to distinguish between Heathrow Express as a London airport train and the same railway infrastructure being used for free journeys between airport terminals.

The Piccadilly line provides another way of moving between Heathrow terminals.

Heathrow has Underground stations serving Terminals 2 and 3, Terminal 4 and Terminal 5.

For journeys within the Heathrow Free Travel Zone, passengers can use the Underground without paying a fare, although an Oyster card or appropriate contactless method is required to operate the barriers.

This can be particularly useful when the Underground happens to provide the most convenient connection.

There is one important trap.

Hatton Cross can be used as an interchange, but don't leave the station if you're relying on Heathrow's free terminal travel arrangements.

Some terminal combinations require passengers to change trains there.

Changing trains while remaining inside the station is fine.

But exiting through the ticket barriers at Hatton Cross takes you outside the relevant free journey arrangement and can result in a normal Underground fare being charged.

This is a small detail that could easily catch out someone unfamiliar with Heathrow.

The most interesting part of Heathrow's Free Travel Zone isn't necessarily the trains.

It's the buses.

A number of local bus routes can be used free of charge within a defined area surrounding Heathrow Airport.

This is particularly useful because the zone includes stops near several airport hotels.

A passenger who assumes the only way to reach their hotel is by taxi or dedicated hotel shuttle could therefore end up paying for a journey that a local bus may make for nothing.

This is where the Free Travel Zone becomes particularly valuable.

Many Heathrow hotels are located along or close to Bath Road, north of the airport.

This is one of Britain's largest concentrations of airport hotels.

Depending on the exact stop and route, Heathrow's free bus network can provide access to hotels in this area without the passenger needing to pay a fare.

That can make a significant difference for someone staying overnight before an early flight.

Heathrow's hotel area includes properties operated by many of the world's largest hotel groups.

Around the airport are hotels associated with brands including Sheraton, Marriott, Renaissance, Ibis, Park Inn, Radisson, Holiday Inn, Premier Inn, Hyatt, Hilton, Sofitel and others.

Some hotels are directly connected to terminals.

Others require a short road journey.

The mistake passengers often make is assuming that every hotel carrying “Heathrow” in its name is actually within walking distance of their terminal.

Often it isn't.

This is particularly important when making a booking online.

A hotel described as being “at Heathrow Airport” could actually be positioned several miles from the terminal you're using.

Before travelling, check the terminal your flight uses, the hotel's exact address, which bus stop serves it, whether that stop lies inside Heathrow's Free Travel Zone, and which route operates between the airport and that stop.

Five minutes of planning before travelling could save both money and confusion after landing.

Many passengers are familiar with the Hotel Hoppa, the dedicated hotel-bus network serving Heathrow accommodation.

In 2019, a Hotel Hoppa journey costs around £5 one way or £9 return.

It can certainly be convenient.

But it isn't always necessary.

If your hotel is served by a normal local bus operating within Heathrow's Free Travel Zone, you may be able to make essentially the same journey for £0.

For two people making a return journey, the difference can become substantial.

At first, free bus travel around one of the world's busiest airports may sound unusual.

But Heathrow isn't only a passenger terminal.

It is effectively a small city.

Tens of thousands of people work around the airport.

There are hotels, cargo facilities, airline offices, maintenance facilities and businesses spread across a large geographical area.

The Free Travel Zone helps people move around this airport community without every short journey requiring a car.

Passengers benefit from the same arrangement.

There is another important limitation.

The bus journey is only free within the designated Heathrow Free Travel Zone.

If you travel beyond its boundaries, the normal bus fare applies.

In 2019, London's bus fare is relatively inexpensive when using Oyster or contactless, but passengers shouldn't assume that every bus displaying “Heathrow” as a destination is free for its entire route.

It isn't.

The free arrangement applies only to the defined Heathrow area.

For anyone planning to use the system, the Heathrow Free Travel Zone map is probably the most useful resource.

It shows the airport terminals, rail connections, Underground stations, local bus routes, major stops, and the geographical limits of free travel.

Rather than trying to memorise individual routes, passengers should check the map for their specific journey.

Heathrow is simply too large and complicated for one rule to cover every situation.

Hotel prices around Heathrow vary enormously.

Passengers naturally compare the nightly room rate.

But the true cost of an airport hotel also includes getting there and back.

Imagine one hotel costs £10 less than another but requires two people to pay for transfers in both directions.

The supposedly cheaper hotel could quickly become the more expensive option.

A hotel served by a free local bus could therefore represent better overall value even if its room rate is slightly higher.

This is particularly relevant for families and couples.

The cheapest option isn't always the most convenient.

A local London bus isn't specifically designed as an airport hotel shuttle.

Passengers may have large suitcases.

The bus may be busy.

The stop may require walking several minutes to the hotel.

Someone travelling alone with one cabin bag might find that perfectly straightforward.

A family carrying several large suitcases and travelling with young children may feel very differently.

Cost is only one part of an airport journey.

There are situations where paying for direct road transport is entirely reasonable.

A passenger arriving late at night may not want to study bus maps.

Someone with mobility difficulties may prefer a direct journey.

A family may have several cases.

Heavy rain can make even a short walk from a bus stop unpleasant.

And a passenger who has just spent 12 hours on an aircraft may simply value convenience more than saving a few pounds.

The useful thing about Heathrow's Free Travel Zone isn't that everyone should use it.

It's that passengers have a choice.

The rail connections can also help passengers staying at terminal hotels.

Suppose your flight leaves from Terminal 5 but you find a better hotel deal near another terminal.

A free train transfer can make that arrangement much more practical.

Likewise, passengers arriving at Terminal 4 may need to travel to the central terminal area before continuing elsewhere.

Understanding that these internal train journeys don't require a normal Heathrow Express fare removes one unnecessary expense.

Another common source of confusion is Heathrow Central.

The railway and Underground station called Heathrow Terminals 2 & 3 serves both terminals.

Passengers walk between the station and their respective terminal through pedestrian connections.

So if you're travelling from Terminal 5 to Terminal 3 by train, you don't look for a dedicated Terminal 3 railway station.

You travel to Heathrow Central/Terminals 2 & 3 and continue on foot.

Passengers being collected by car face a different set of costs.

Heathrow's terminal forecourts and car parks operate separately from the Free Travel Zone.

Free public transport around the airport doesn't mean that drivers can necessarily wait outside a terminal without paying.

Anyone collecting an arriving passenger should therefore check Heathrow's parking arrangements rather than assuming they can simply remain at arrivals.

Airport parking charges can quickly become significant if a flight or passenger is delayed.

This is particularly relevant for private hire drivers.

The time an aircraft lands isn't the same as the time the passenger is ready to leave Heathrow.

After landing, the aircraft needs to reach its stand.

Passengers disembark.

International travellers may need to clear immigration.

Checked baggage has to reach the carousel.

Only then can the passenger enter the arrivals hall.

That makes professional airport pickups fundamentally different from a simple roadside collection.

The airport offers an unusually wide range of ground transport.

Passengers can use rail, Underground, local buses, coaches, taxis, private hire vehicles, hotel shuttles, car hire, or private cars.

There is no single option that is best for everyone.

The right choice depends on the journey.

Someone changing terminals needs something completely different from a family travelling to Central London.

A hotel guest on Bath Road has different requirements from a business traveller heading to Canary Wharf.

It is tempting to look at Heathrow's Free Travel Zone purely as a money-saving exercise.

But time and convenience matter too.

Saving £5 isn't necessarily worthwhile if it involves waiting for a bus, carrying several heavy suitcases and then walking from a roadside stop in the rain.

On the other hand, paying £10 for transport when a free bus stops directly outside your hotel makes little sense.

The best approach is simply to understand the alternatives before deciding.

Airports are expensive environments partly because passengers often make decisions at the last minute.

You're tired.

You're carrying luggage.

You don't know the area.

You choose the most obvious option.

Heathrow's transport network rewards passengers who spend a few minutes planning before they arrive.

Know your terminal.

Know where your hotel is.

Check the Free Travel Zone.

Understand whether you're travelling airside or landside.

And have an Oyster or contactless payment method available when necessary.

Those small preparations can make one of the world's largest airports considerably easier — and cheaper — to navigate.

This is perhaps the easiest misunderstanding to avoid.

The Free Travel Zone helps passengers travel around Heathrow Airport.

It does not provide free transport between Heathrow and Central London.

Once you travel beyond the airport's designated free area, normal fares apply.

Heathrow Express to Paddington requires the appropriate fare.

TfL Rail towards London requires a fare.

The Piccadilly line into London requires a fare.

Local buses travelling beyond the free-zone boundary require the appropriate payment.

Think of the system as free movement around the Heathrow campus rather than free airport transport into London.

For one of the world's busiest international airports, Heathrow has a surprisingly generous range of free local transport options in 2019.

Connecting passengers can use complimentary airside buses.

Landside passengers can travel between terminals by train without paying.

The Underground provides another terminal-transfer option.

And local buses within Heathrow's Free Travel Zone can connect passengers with parts of the surrounding airport area, including a number of hotels.

None of these options is particularly complicated once you understand the system.

The difficulty is simply knowing they exist.

And at an airport where almost everything seems to have a price attached, discovering that your next journey might cost absolutely nothing is a welcome surprise.

Free buses and terminal trains can be extremely useful when travelling within Heathrow, but they serve a very different purpose from a journey between Heathrow and London.

Passengers travelling beyond the airport have several options, including Underground, rail, coach, London taxi and pre-booked private hire.

London Airport Transfer provides pre-booked private hire journeys to and from London Heathrow Airport, including Central London, hotels, residential addresses and transfers between Heathrow and London's other airports.

A pre-booked private hire transfer can be particularly useful for passengers travelling with several suitcases, families, groups or those arriving late at night or early in the morning.

It also provides a direct door-to-door journey without needing to move luggage between buses or trains.

Airport-to-airport transfers are another important consideration.

Passengers arriving at Heathrow may need to continue to Gatwick, Stansted, Luton or London City Airport, where journey planning becomes particularly important because London's airports are separated by substantial distances.

For short journeys around Heathrow itself, however, passengers should first check whether they actually need to pay anything.

In 2019, Heathrow's Free Travel Zone remains one of the airport's most useful — and frequently overlooked — money-saving options.

Written by London Airport Transfer for passengers travelling to and from London airports.