There is no direct train or coach between Heathrow and Southend Airport, so the fastest public transport route is by rail via central London, taking from around 1 hour 38 minutes on the quickest connections and typically closer to 2 hours with waiting time, from about £23.40 booked in advance. By road, the drive is about 75 miles and takes 1 hour 20 minutes to 2 hours depending on traffic, with a pre-booked taxi transfer commonly priced from around £120 to £150. Checked 2026.
Heathrow and Southend are on opposite sides of London, so this is one of the longer cross-London airport transfers. Here is how the train and taxi options compare, since there is no practical coach route.
Why there's no direct link
Heathrow sits west of London and Southend Airport is out on the Essex coast, roughly 75 miles apart by road. Unlike the Heathrow to Gatwick or Heathrow to Luton routes, there is no dedicated coach or rail service that runs point to point. Anyone travelling between the two either goes by train via central London, changing stations along the way, or takes a taxi the whole distance around or through London.
By train: the standard route
The most practical public transport option is rail, changing in central London. From Heathrow, take the Elizabeth line or Heathrow Express into Paddington and across to Liverpool Street (about 39 minutes for the Heathrow to Liverpool Street leg via the change at Paddington). From Liverpool Street, Greater Anglia trains run to Southend Airport, a journey of about 52 minutes, with up to six trains an hour at peak times.
Put together, the whole trip typically runs from around 1 hour 38 minutes on the fastest combination of connections up to roughly 2 hours on average once you allow for waiting time between trains, over a total distance of about 50 miles as the crow flies. There are around 89 train departures a day covering this route in some combination, with journeys possible from as early as 04:30 and as late as 23:12. A one-way ticket for the full journey starts from about £23.40 when booked in advance.
| Leg | Journey time | Notes |
|---|---|---|
| Heathrow to Liverpool Street | ~39 min | Elizabeth line / Heathrow Express, via Paddington |
| Liverpool Street to Southend Airport | ~52 min | Greater Anglia, up to 6 trains/hour at peak |
| Total (fastest combination) | From ~1h 38m | 1 change, from £23.40 advance |
Southend Airport's own train station is inside the terminal building, just a short walk from arrivals, so once you reach it there is no further transfer needed. For the Heathrow end, see our public transport guide for the Elizabeth line and Heathrow Express fares and platforms at each terminal.
By taxi or private transfer
A taxi is the only door-to-door option, and it is a long journey: around 75 miles depending on the route taken (typically the M25 and A127 or A13), with a driving time of 1 hour 20 minutes in light traffic up to around 2 hours at busier times. Fixed-fare operators that quote this route price it from around £120 to £150 for a standard saloon car, reflecting the distance rather than airport congestion.
Because of the distance and cost, a taxi for this route tends to make sense only for groups of three or more splitting the fare, passengers with heavy luggage, or travel outside train operating hours. For most solo or paired travellers, the train is both cheaper and, once you account for London traffic, often not much slower. If you're comparing this to shorter routes, our taxis guide and routes overview cover fares and times for the more common Heathrow transfers, including the cross-airport run to Gatwick.
Timing your connection
Because this route always involves at least one change, build in a buffer rather than cutting it fine, especially with luggage to move between platforms at Paddington or Liverpool Street. If you are catching an early flight from Southend, aim to arrive at Heathrow's rail station at least 3 hours before the connecting train you need, to allow for the change and any minor delays on either service. Southend Airport's station sits right by the terminal, so once you are on Essex soil the last leg is short.
Which option should you pick?
- Solo, paired, or on a budget: the train via central London is cheaper and avoids traffic risk on the M25.
- Group of three or more, heavy luggage, or travelling outside train hours: a pre-booked taxi is the more practical choice, even at a higher price.
- Tight on time either way: check live departures before you travel, since the train option depends on making a clean change in central London, and the road option depends entirely on M25 and A127/A13 traffic.
FAQs
Is there a direct train from Heathrow to Southend Airport?
No. You change in central London, typically via Paddington and Liverpool Street, with a total journey from about 1 hour 38 minutes on the fastest connections.
How much does the train cost from Heathrow to Southend Airport?
From about £23.40 for a one-way ticket booked in advance, covering the full journey with one change.
How far is Southend Airport from Heathrow by road?
About 75 miles, typically via the M25 and A127 or A13, with a driving time of 1 hour 20 minutes to 2 hours depending on traffic.
Is there a coach between Heathrow and Southend Airport?
No direct coach service runs this route. The practical public transport option is the train via central London.
How much is a taxi from Heathrow to Southend Airport?
Fixed-fare operators quoting this route price it from around £120 to £150 for a standard saloon car, reflecting the roughly 75-mile distance. Confirm the exact price with the operator when you book.
Where is the train station at Southend Airport?
Inside the terminal building, a short walk from arrivals, so no further transfer is needed once you get off the train.