Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Portsmouth University (o/s Students' Union) | Heathrow T2 & T3 | Cheapest | ||||
| Bus | Portsmouth International Port | Heathrow Airport (LHR) T5 | Fastest | ||||
| Bus | Portsmouth International Port | Heathrow T2 & T3 | No tags | ||||
| Bus | Portsmouth International Port | Heathrow T2 & T3 | No tags | ||||
| Bus | Portsmouth International Port | Heathrow T2 & T3 | No tags |
Last refresh of the prices: Today at 10:04 PM GMT.
Compare 2 ways to go from Portsmouth to Heathrow
Among the sustainable travel choices, the Bus stands out as a good way to reach Heathrow. The journey takes about 1 hour 46 minutes and with fares starting at just $19, it presents an excellent value for a comfortable ride.
| Average Price | Average Duration | CO₂ emissions | Actions | |
|---|---|---|---|---|
| Average Price$19 - $46 | Average Duration1h 46m | 2kg CO₂e | ||
Carpool | Average Price$14 - $14 | Average Duration1h 10m | 4kg CO₂e |
Where are the popular stops in Portsmouth and Heathrow?
Stops in Portsmouth
- A
The Hard Interchange
6 The Hard, Portsmouth PO1 3DT, UK - B
Portsmouth (Rudmore Roundabout)
Kingston Crescent (Bus Stop, near Air Balloon), Portsmouth PO2 - CPortsmouth International Port, George Byng Way, Portsmouth PO2 8SP, UK
- D
International Port
George Byng Way, Portsmouth Port Terminal, Portsmouth PO2 - E
Hilsea Bus Stop (Drayton Garage Services)
London Road, Portsmouth PO2 - F
Portsmouth Bus Stop The Hard F
95 Commercial Rd, Portsmouth, Portsmouth PO1 1BQ, UK
Stops in Heathrow
- B
Travelodge Hotel, Heathrow Central
708 Bath Road, Hounslow TW5 9TW - C
Premier Inn, Heathrow M4 J4
Shepiston Lane (Valid any Departure), Hayes UB3 - D
Comfort Hotel
Arlington Court, Mercure London Heathrow Hotel: Valid any Departure , Hayes UB3 - E
EasyHotel
2 Bletchmore Close, Hayes UB3 - F
Novotel Hotel
Holloway Lane, Valid any Departure, West Drayton UB7
Compare bus companies
Passengers have shared positive experiences about their bus trips, highlighting the cleanliness and comfort of the buses. The drivers are frequently praised for being polite, courteous, and driving smoothly. Additionally, many users appreciated that the service was on time with no delays. However, there were mentions of some confusion during one trip which caused anxiety among passengers.
National Express Portsmouth Heathrow recent customer reviews
An excellent bus trip to Heathrow. The driver drove smoothly and calmly and was on time according to the timetable.
Mari Helene L.
Easy to arrange but some confusion during the trip generating anxiety amongst the passengers.
Kirk H.
Very disappointed by the fact that I had booked the wrong venue to collect The bus and could not change the ticket to The Hard in Portsmouth. So had to buy a new ticket.
Julia K.
Frequently asked questions about traveling from Portsmouth to Heathrow by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Portsmouth to Heathrow?
The cheapest bus tickets from Portsmouth to Heathrow start from $19. The average price for this route is around $26. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Portsmouth to Heathrow?
The average bus trip duration from Portsmouth to Heathrow is 1h 46m, covering a distance of 55 miles (88 km). The quickest bus can get you there in 1h 20m and is operated by National Express.
Which bus companies service the Portsmouth to Heathrow route?
Several major bus companies operate on this route with 31 buses available per day.
What is the earliest and latest departure time for the bus from Portsmouth to Heathrow?
The earliest bus departs from Portsmouth to Heathrow at 3:05am. And the latest bus departs at 8:15pm.
What are the CO₂ emissions for the bus trip from Portsmouth to Heathrow?
A bus trip from Portsmouth to Heathrow generates an estimated 2 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Portsmouth to Heathrow was searched and found on Feb 1, 2026 with a price of $17To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Portsmouth to Heathrow, as early as possible.
You can expect to pay from $17 to $48 for a bus ticket from Portsmouth to Heathrow based on the last 2 days. You can expect to find the cheapest price for the trip at $17 which is on 2026-02-01.
