How much does a cheap train ticket from Heathrow to Slough cost?

The average train ticket price from Heathrow to Slough is $14. The best way to find cheap train tickets from Heathrow to Slough is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!

How long is the trip from Heathrow to Slough?

A train trip between Heathrow and Slough is around 12m, although the fastest train will take about 5m. This is the time it takes to travel the 11 km that separates the two cities.

How many daily trains are there between Heathrow and Slough?

The number of trains from Heathrow to Slough can differ depending on the day of the week. On average, there are 28. Some trains are direct while others include transferring trains. Simplify your train trip from Heathrow to Slough by comparing and selecting the train that fits your travel style and budget on Busbud.

Which train companies travel from Heathrow to Slough?

When taking the train from Heathrow to Slough, you can travel comfortably and safely with Elizabeth Line, Great Western Railway.

Train Heathrow to Slough from $12

Previously seen trips

Next departures for Heathrow to Slough on November 18
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	11:07pm	West Drayton	9m	11:16pm	Slough	No tags
Train	11:17pm	Heathrow Terminals 2 and 3	29m	11:46pm	Slough	No tags
Train	11:33pm	Hayes and Harlington	13m	11:46pm	Slough	No tags
Train	11:37pm	West Drayton	9m	11:46pm	Slough	No tags
Train	11:47pm	Hayes and Harlington	8m	11:55pm	Slough	No tags

Compare 3 ways to go from Heathrow to Slough

We recommend taking the train

Among the sustainable travel choices, the train stands out as a good way to reach Slough. The journey takes about 12 minutes, and with fares starting at just $12, it presents an excellent value for a comfortable ride.

28train per day

12mAverage Duration

11 kmDistance

0kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$9 - $9	Average Duration31m	CO₂ emissions 0kg CO₂e
Train	Average Price$12 - $31	Average Duration12m	CO₂ emissions 0kg CO₂e
Carpool	Average Price$4 - $4	Average Duration1h	CO₂ emissions 0kg CO₂e

Train companies

Elizabeth Line

5/51 reviews

Staff5

Cleanliness5

Wifi5

Great Western Railway

4/542 reviews

Staff5

Timeliness4.7

Cleanliness4.7

Wifi4

GB train and bus companies:Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, FlixTrain, CrossCountry

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

Stops in Heathrow

A - London Heathrow Airport

Stops in Slough

A - Slough

Frequently asked questions about travelling from Heathrow to Slough by train

How much does a cheap train ticket from Heathrow to Slough cost?
The average train ticket price from Heathrow to Slough is $14. The best way to find cheap train tickets from Heathrow to Slough is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!
How long is the trip from Heathrow to Slough?
A train trip between Heathrow and Slough is around 12m, although the fastest train will take about 5m. This is the time it takes to travel the 11 km that separates the two cities.
How many daily trains are there between Heathrow and Slough?
The number of trains from Heathrow to Slough can differ depending on the day of the week. On average, there are 28. Some trains are direct while others include transferring trains. Simplify your train trip from Heathrow to Slough by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from Heathrow to Slough?
When taking the train from Heathrow to Slough, you can travel comfortably and safely with Elizabeth Line, Great Western Railway.

Find cheapest prices for trains

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

Best price found

11-16

$12

11-17

$12

Today

No data

11-19

No data

11-20

$13

11-21

$12

11-22

No data

11-23

No data

The cheapest trip from Heathrow to Slough was searched and found on Nov 21, 2025 with a price of $12

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 $12 to $29 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 $12 which is on 2025-11-21.