How much is the train ticket from Heathrow to Slough?

The cheapest train tickets from Heathrow to Slough start from R 156. The average price for this train route is around R 170. Busbud recommends booking your tickets in advance for a better chance to secure the lowest possible price.

Which train operators serve the Heathrow to Slough route?

Several major train operators run on this route, with 30 trains available per day.

What are the earliest and latest departure times for the train from Heathrow to Slough?

The earliest train from Heathrow to Slough departs at 07:04. And the latest train departs at 17:53.

Train Heathrow to Slough from R 144

Next train departures

Next departures from Heathrow to Slough on 25 March
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:09	West Drayton	9m	07:18	Slough	Cheapest
Train	15:11	West Drayton	7m	15:18	Slough	Fastest
Train	07:06	Hayes and Harlington	12m	07:18	Slough	No tags
Train	07:19	Hayes and Harlington	12m	07:31	Slough	No tags
Train	07:36	Hayes and Harlington	12m	07:48	Slough	No tags

Last refresh of the prices: Today at 3:02 PM GMT.

Compare 2 ways to travel from Heathrow to Slough

We recommend taking the bus

Among the sustainable travel choices, the Bus stands out as a good way to reach Slough. The journey takes about 31 minutes and with fares starting at just R 99, it presents an excellent value for a comfortable ride.

37bus per day

31mAverage duration

12 kmDistance

0kgCO₂ emissions

	Average price	Average duration	CO₂ emissions	Actions
Bus	Average priceR 99 - R 101	Average duration31m	CO₂ emissions 0kg CO₂e
Train	Average priceR 156 - R 377	Average duration12m	CO₂ emissions 0kg CO₂e

Where are the popular train stations and stops in Heathrow and Slough?

Heathrow

A
London Heathrow Airport
Visit page

Slough

A
Slough
7 Railway Terrace, Slough SL2 5AQ, UK

Train Companies

Elizabeth Line

5/51 reviews

Staff5

Cleanliness5

WiFi5

Based on 1 reviews, the company was rated 5 stars on Busbud. Travellers were especially satisfied with the staff and the seats but often complained about the ticket access. Elizabeth Line ticket prices on this trip start at R 156

GB train companies: Amtrak, Trenitalia, Renfe, VIA Rail Canada, Amtrak Acela, RegioJet, CrossCountry

Frequently asked questions about travelling from Heathrow to Slough by train

Please note that timetables, routes, or operator details shown here may be updated or differ at the time of your trip.

How much is the train ticket from Heathrow to Slough?
The cheapest train tickets from Heathrow to Slough start from R 156. The average price for this train route is around R 170. Busbud recommends booking your tickets in advance for a better chance to secure the lowest possible price.
Which train operators serve the Heathrow to Slough route?
Several major train operators run on this route, with 30 trains available per day.
What are the earliest and latest departure times for the train from Heathrow to Slough?
The earliest train from Heathrow to Slough departs at 07:04. And the latest train departs at 17:53.

Find cheapest prices for trains

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

22/03

R 144

23/03

No data

Today

No data

25/03

R 144

26/03

No data

27/03

No data

28/03

No data

29/03

No data

The cheapest trip from Heathrow to Slough was searched and found on 25 Mar 2026 with a price of R 144

To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Heathrow to Slough as early as possible.

You can expect to pay from R 144 to R 353 for a train ticket from Heathrow to Slough based on the last 2 days. You can expect to find the cheapest price for the trip at R 144, which is on 2026-03-25.