| First train | 02:52 | |
|---|---|---|
| Last train | 02:26 | |
| Departure station | Flitwick | |
| Arrival station | Portsmouth Harbour | |
| Journey time | From 3h 5m | |
| Distance | 87 miles (141 km) | |
| Frequency | 20 trains per day | |
| Changes | 1 change | |
| Train operators | London Overground, South Western Railway, Southeastern, Southern, Thameslink |
If you're planning to travel from Flitwick to Portsmouth Harbour, we're here to help!
On average, the train journey from Flitwick to Portsmouth Harbour takes around 4 hours 3 minutes. There are normally 20 trains per day travelling from Flitwick to Portsmouth Harbour.
You'll have to make 1 change on your journey to Portsmouth Harbour, as there are no direct trains.
South Western Railway, Southeastern, Thameslink and London Overground trains run on this route.
Save money on your train tickets by booking in advance.
Use our Journey Planner to compare ticket prices and find the cheapest fares.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.