Harrow to Portsmouth Trains

Harrow to Portsmouth trains

Travel from

Search accommodation with Expedia

Trip Overview

The average train between Harrow and Portsmouth takes 2h 27m and the fastest train takes 2h 4m. The train runs at least 2 times per hour from Harrow to Portsmouth. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

2h 27m
Duration: 86 mi
Distance: £37
Average price: Every 30 minutes
Frequency

Train

best

Take the train from London Waterloo to Portsmouth & Southseatrain London Waterloo - Portsmouth Harbour / ...

2h 13m

£33–62

Harrow to Portsmouth train times

Trains run every 30 minutes between Harrow and Portsmouth. The earliest departure is at 12:05 AM at night, and the last departure from Harrow is at 11:05 PM which arrives into Portsmouth at 1:40 AM. All services require a transfer at Finchley Road station and take an average of 2h 27m. The schedules shown below are for the next available departures.

Departing Tuesday, November 3, 2026

7:22 PM → 9:44 PM
2h 22m • 2 changes
7:51 PM → 10:02 PM
2h 11m • 2 changes
8:24 PM → 10:44 PM
2h 20m • 2 changes
8:50 PM → 11:01 PM
2h 11m • 2 changes
Show more

Departing Wednesday, November 4, 2026

12:13 AM → 7:16 AM
7h 3m • 2 changes
12:25 AM → 7:45 AM
7h 20m • 2 changes
5:31 AM → 8:09 AM
2h 38m • 2 changes
6:25 AM → 8:34 AM
2h 9m • 2 changes
Show more

Departing Thursday, November 5, 2026

12:13 AM → 7:16 AM
7h 3m • 2 changes
12:25 AM → 7:45 AM
7h 20m • 2 changes
5:31 AM → 8:09 AM
2h 38m • 2 changes
6:25 AM → 8:34 AM
2h 9m • 2 changes
Show more

Departing Friday, November 6, 2026

12:25 AM → 7:16 AM
6h 51m • 2 changes
5:31 AM → 8:09 AM
2h 38m • 2 changes
6:25 AM → 8:34 AM
2h 9m • 2 changes
6:54 AM → 9:03 AM
2h 9m • 2 changes
Show more

Departing Saturday, November 7, 2026

12:25 AM → 7:12 AM
6h 47m • 2 changes
6:07 AM → 8:47 AM
2h 40m • 2 changes
6:54 AM → 8:58 AM
2h 4m • 2 changes
7:20 AM → 9:32 AM
2h 12m • 2 changes
Show more

Departing Sunday, November 8, 2026

7:21 AM → 9:54 AM
2h 33m • 2 changes
7:50 AM → 10:00 AM
2h 10m • 2 changes
8:20 AM → 10:55 AM
2h 35m • 2 changes
8:50 AM → 11:07 AM
2h 17m • 2 changes
Show more

Departing Monday, November 9, 2026

12:05 AM → 7:16 AM
7h 11m • 2 changes
12:25 AM → 7:45 AM
7h 20m • 2 changes
5:31 AM → 8:09 AM
2h 38m • 2 changes
6:25 AM → 8:34 AM
2h 9m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Harrow to Portsmouth? 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.