Last refresh of the prices: Yesterday at 9:41 PM GMT.
Compare 3 ways to go from Cambridge to London
We recommend carpooling
Among the sustainable travel choices, the carpool stands out as a good way to reach London. The journey takes about 1 hour 10 minutes, and with fares starting at just $14, it presents an excellent value for a comfortable ride.
Based on 21 reviews, the company was rated 4.2 stars on Busbud. Travellers were especially satisfied with the timeliness and the seats but often complained with the power outlets. Greater Anglia ticket prices on this trip start at $17
Based on 1 reviews, the company was rated 4 stars on Busbud. Travellers were especially satisfied with the staff and the seats but often complained with the ticket access. Great Northern ticket prices on this trip start at $52
Based on 10 reviews, the company was rated 4.6 stars on Busbud. Travellers were especially satisfied with the staff and the timeliness but often complained with the ticket access. ThamesLink ticket prices on this trip start at $54
Frequently asked questions about travelling from Cambridge to London by train
How much does a cheap train ticket from Cambridge to London cost?
The average train ticket price from Cambridge to London is $55. The best way to find cheap train tickets from Cambridge to London 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 Cambridge to London?
A train trip between Cambridge and London is around 1h 7m, although the fastest train will take about 47m. This is the time it takes to travel the 79 km that separates the two cities.
How many daily trains are there between Cambridge and London?
The number of trains from Cambridge to London can differ depending on the day of the week. On average, there are 79. Some trains are direct while others include transferring trains. Simplify your train trip from Cambridge to London by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from Cambridge to London?
When taking the train from Cambridge to London, you can travel comfortably and safely with Greater Anglia, Great Northern, ThamesLink.
What are the departure and arrival stations for a train from Cambridge to London?
Trains travelling between Cambridge and London leave from Cambridge Central Train Station or Cambridge North Train Station and arrive at King's Cross, St Pancras International, Euston Station.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
11-15
$49
11-16
$36
Today
$29
11-18
$29
11-19
$29
11-20
$29
11-21
$29
11-22
$29
The cheapest trip from Cambridge to London was searched and found on Nov 21, 2025 with a price of $29
To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Cambridge to London, as early as possible.
You can expect to pay from $29 to $213 for a train ticket from Cambridge to London based on the last 2 days. You can expect to find the cheapest price for the trip at $29 which is on 2025-11-21.