Bus from Heathrow to Portsmouth: Tickets & Timetables

Next bus departures

Next departures from Heathrow to Portsmouth on 1 December
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
National ExpressBus
    Heathrow T2 & T3
    Portsmouth University (Spinnaker Sports Centre)Cheapest
    National ExpressBus
      Heathrow Airport (LHR) T5
      Portsmouth (Rudmore Roundabout)Fastest
      National ExpressBus
        Heathrow T2 & T3
        Portsmouth International PortNo tags
        National ExpressBus
          Heathrow T2 & T3
          Portsmouth International PortNo tags
          National ExpressBus
            Heathrow T2 & T3
            Portsmouth International PortNo tags

            Last refresh of the prices: Last Monday at 17:35 GMT.

            Compare 2 ways to travel from Heathrow to Portsmouth

            We recommend taking the bus

            Among the sustainable travel choices, the bus stands out as a good way to reach Portsmouth. The journey takes about 1 hour 55 minutes and with fares starting at just £15, it presents an excellent value for a comfortable ride.

            28bus per day
            1h 55mAverage duration
            53 milesDistance
            2kgCO₂ emissions
            Average price£15 - £42Average duration1h 55m
            2kg CO₂e
            Carpool
            Average price£12 - £12Average duration1h 20m
            4kg CO₂e

            Frequently asked questions about travelling by bus from Heathrow to Portsmouth

            Please note that timetables, routes, or operator details shown here may be updated or vary at the time of your journey.

            1. How much is the bus ticket from Heathrow to Portsmouth?

              The cheapest coach tickets from Heathrow to Portsmouth start from £15. The average price for this route is around £22. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

            2. How long is the bus journey from Heathrow to Portsmouth?

              The average bus journey time from Heathrow to Portsmouth is 1h 55m, covering a distance of 53 miles. The fastest bus can take you there in 1h 20m and is operated by National Express.

            3. Which bus companies service the Heathrow to Portsmouth route?

              Several major bus companies operate on this route with 28 buses available per day.

            4. What is the earliest and latest departure time for the bus from Heathrow to Portsmouth?

              The earliest bus departs from Heathrow to Portsmouth at 00:40. And the latest bus departs at 23:50.

            5. What are the CO₂ emissions for the bus trip from Heathrow to Portsmouth?

              A bus journey from Heathrow to Portsmouth produces an estimated 2 kg of CO₂, making it a highly eco-friendly choice and a mode of travel recommended by Busbud.

            Find cheapest prices for buses

            Price is for a one-way ticket for one passenger and based on past searches.

            Best price found
            26/11
            £16
            27/11
            £19
            Today
            £17
            29/11
            No data
            30/11
            £17
            01/12
            £17
            02/12
            No data
            03/12
            £16
            busbud logoThe cheapest trip from Heathrow to Portsmouth was searched and found on 26 Nov 2025 with a price of £16

            To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Heathrow to Portsmouth as early as possible.

            You can expect to pay from £16 to £38 for a bus ticket from Heathrow to Portsmouth based on the last 2 days. You can expect to find the cheapest price for the trip at £16, which is on 2025-12-03.

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