Loco2 means a new way of booking trains online, but it also stands for low CO2 and lower cost travel. By simplifying the booking process, Loco2 hopes to encourage more people to ditch the plane and opt for a lower-carbon journey by train.
Grantham to Portsmouth by train
-
First train06:18
-
Last train20:50
-
Avg changes1
-
Fastest journey3hr 32m
-
Distance237 kilometres
-
Trains per Day43
-
Avg. journey time3hr 56m
-
Train Operators
Travelling from Grantham to Portsmouth by train
Fast trains from Grantham to Portsmouth take around 3 hours and 32 minutes, covering a distance of approximately 237 kilometres. There are frequent services on the rail route between Grantham and Portsmouth.
1. Are there direct trains from Grantham to Portsmouth?
Journeys between Grantham and Portsmouth usually involve one change of train.
We usually find around 41 departures on the route from Grantham to Portsmouth every weekday that leave enough time to change trains without waiting around for longer than necessary.
Trains are typically more frequent on weekends, when we found around 49 departures.
2. How long is the train journey from Grantham to Portsmouth?
The Grantham to Portsmouth train travel time is normally about 3 hours and 32 minutes, whatever time you make the journey.
3. What are the Grantham to Portsmouth train times and schedule?
On weekdays the earliest train to Portsmouth is usually scheduled to depart Grantham around 06:18 and the last train is around 20:19. At weekends the first train of the day leaves Grantham around 06:18, and the last at 20:50.

When to book Grantham to Portsmouth train tickets?
Trains in the UK usually open for booking around 3 months in advance. If booking is not yet open for your dates then you can set a booking alert to receive an email on the day that the cheapest tickets are released for your journey from Grantham to Portsmouth by train.
Which train companies operate between Grantham and Portsmouth?
More than one train company operates on the route from Grantham to Portsmouth, so you’ll be travelling with one or more of the following rail operators:
You can check which train you’ll be travelling on by looking for the train name in search results.
Other journeys to Portsmouth View all journeys to Portsmouth
-
From Southampton From $13.95
-
From Brighton From $21.12
-
From London From $6.40
-
From Birmingham From $37.11
-
From Guildford From $27.39
-
From Coventry From $46.39
-
From Manchester From $60.15
-
From Oxford From $58.55
-
From Reading From $38.01
-
From Basingstoke From $22.08
-
From Bristol From $12.80
-
From Havant From $5.89
-
Easy, fast and cheap
-
Pay in EUR, GBP or USD
-
Zero booking fees
-
24/7 customer support
Subscribe to our newsletter
Sign up to receive top tips, train news and travel inspiration straight to your inbox