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Harrow to Portsmouth buses

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Trip Overview

The average bus between Harrow and Portsmouth takes 2h 58m and the fastest bus takes 2h 36m. The bus service runs several times per day 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 58m
Duration
79 mi
Distance
£18
Average price
Every 4 hours
Frequency

Bus

best
  1. Take the bus from Harrow Bus Station to Heathrow Central Bus Stationbus bus Sl9
  2. Take the bus from Heathrow Central Bus Station to University of Portsmouthbus bus 030
3h 50m
£12–24

Harrow to Portsmouth bus times

Buses run every 4 hours between Harrow and Portsmouth. The earliest departure is at 7:46 AM in the morning, and the last departure from Harrow is at 11:37 PM which arrives into Portsmouth at 2:18 AM. All services require a transfer, and take on average 2h 58m. The schedules shown below are for the next available departures.

Departing Monday, November 2, 2026

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    Arrives next day

    Metroline TravelNational Express2h 41m • 1 change

Departing Tuesday, November 3, 2026

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    First Bus LondonNational Express3h 9m • 1 change

  •  → 

    First Bus LondonNational Express2h 59m • 1 change

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    First Bus LondonNational Express3h 29m • 1 change

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    First Bus LondonNational Express2h 54m • 1 change
  • Show more

Departing Wednesday, November 4, 2026

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    First Bus LondonNational Express3h 9m • 1 change

  •  → 

    First Bus LondonNational Express2h 59m • 1 change

  •  → 

    First Bus LondonNational Express3h 29m • 1 change

  •  → 

    First Bus LondonNational Express2h 54m • 1 change
  • Show more

Departing Thursday, November 5, 2026

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    First Bus LondonNational Express3h 9m • 1 change

  •  → 

    First Bus LondonNational Express2h 59m • 1 change

  •  → 

    First Bus LondonNational Express3h 29m • 1 change

  •  → 

    First Bus LondonNational Express2h 54m • 1 change
  • Show more

Departing Friday, November 6, 2026

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    First Bus LondonNational Express3h 9m • 1 change

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    First Bus LondonNational Express3h 4m • 1 change

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    First Bus LondonNational Express3h 19m • 1 change

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    First Bus LondonNational Express3h 19m • 1 change
  • Show more

Departing Saturday, November 7, 2026

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    First Bus LondonNational Express2h 55m • 1 change

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    First Bus LondonNational Express3h • 1 change

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    First Bus LondonNational Express3h 10m • 1 change

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    First Bus LondonNational Express3h 5m • 1 change
  • Show more

Departing Sunday, November 8, 2026

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    First Bus LondonNational Express2h 45m • 1 change

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    First Bus LondonNational Express3h • 1 change

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    First Bus LondonNational Express3h • 1 change

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    First Bus LondonNational Express2h 55m • 1 change
  • 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.

Map of how to get from Harrow to Portsmouth.ExpandLaunch map view
  • Distance: 78.9 mi
  • Duration: 2h 58m

What companies run services between Harrow, Greater London, England and Portsmouth, England?

You can take a bus from Harrow Bus Station to University of Portsmouth via Heathrow Central Bus Station in around 3h 50m.

Operators