King's Cross St. Pancras Underground Station to Slough Trains

King's Cross St. Pancras Underground Station to Slough trains

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Trip Overview

The average train between King's Cross St. Pancras Underground Station and Slough takes 41 min and the fastest train takes 27 min. The train runs at least 3 times per hour from King's Cross St. Pancras Underground Station to Slough. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

41 min
Duration: 21 mi
Distance: £17
Average price: Every 20 minutes
Frequency

Subway, train

best

Take the subway from King's Cross St. Pancras station to Paddingtonsubway Hammersmith & City / ...
Take the train from London Paddington to Sloughtrain London Paddington - Didcot Parkway / ...

32 min

£10–34

King's Cross St. Pancras Underground Station to Slough train times

Trains run every 20 minutes between King's Cross St. Pancras Underground Station and Slough. The earliest departure is at 12:23 AM at night, and the last departure from King's Cross St. Pancras Underground Station is at 11:30 PM which arrives into Slough at 12:13 AM. All services require a transfer at Paddington and take an average of 41 min. The schedules shown below are for the next available departures.

Departing Sunday, August 23, 2026

11:30 PM → 12:13 AM
Arrives next day
43 min • 1 change

Departing Monday, August 24, 2026

12:23 AM → 1:03 AM
40 min • 1 change
12:46 AM → 2:01 AM
1h 15m • 1 change
5:46 AM → 6:31 AM
45 min • 1 change
6:05 AM → 6:38 AM
33 min • 1 change
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Frequently asked questions

Want to know about travelling from King's Cross St. Pancras Underground Station to Slough? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.