The cheapest and fastest buses from London Heathrow Airport to Portsmouth Harbour (PMH)
Cheapest price
$21
Average price
$26
Fastest journey
1 h 35 m
Average duration
1 h 40 m
Buses per day
2
Distance
88 km
The best way to find a cheap bus ticket from London Heathrow Airport to Portsmouth Harbour (PMH) is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from London Heathrow Airport to Portsmouth Harbour (PMH) will cost around $26 if you buy it on the day, but the cheapest tickets can be found for only $21.
Of the 2 buses that leave London Heathrow Airport for Portsmouth Harbour (PMH) on Mon, Feb 16, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Feb 16 the direct buses cover the 88 km distance in an average of 1 h 40 m but if you time it right, some buses will get you there in just 1 h 35 m .
On Mon, Feb 16 the slowest buses will take 1 h 45 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.




Travel Information
Compare bus, train, and ferry for London Heathrow Airport to Portsmouth Harbour (PMH)
Omio recommends booking the bus as it is the most popular option from London Heathrow Airport to Portsmouth Harbour (PMH) among Omio's users. If you are prioritising price take the ferry with prices starting from €21. For those with little time consider booking a ferry which can get you there in 45m. The ticket price range depends on the travel mode: a ferry costs an average of €21, and a train costs an average of €31.
Distance: 54 miles (88 km)
Compare bus with
Most popular Bus | Train | Ferry |
|---|---|---|
€25 Average price | €72 Average price | €22 Average price Cheapest |
3h 1m Average total duration 2h 31m Onboard + 30m Additional time* | 3h 0m Average total duration 2h 30m Onboard + 30m Additional time* | 1h 45m Average total duration Fastest 45m Onboard + 1h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
London Heathrow Airport to Portsmouth Harbour (PMH) Bus Timetables
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator National Express | Departure Time 04:05AM | Arrival Time 12:25PM | Duration 8h20 | Departure days Sun | Cheapest price $39 |
Operator National Express | Departure Time 08:25AM | Arrival Time 12:25PM | Duration 4h00 | Departure days Sun | Cheapest price $40 |
Operator National Express | Departure Time 10:25AM | Arrival Time 03:05PM | Duration 4h40 | Departure days Sun | Cheapest price $41 |
Operator National Express | Departure Time 12:45PM | Arrival Time 05:35PM | Duration 4h50 | Departure days Sun | Cheapest price $46 |
Live departures
London Heathrow Airport to Portsmouth Harbour (PMH) bus times
The table below shows live departures for London Heathrow Airport to Portsmouth Harbour (PMH) buses for tomorrow, Monday, February 16. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 12:40 AM London Heathrow Airport | 1h35 | 2:15 AM Portsmouth Harbour (PMH) | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets London Heathrow Airport to Portsmouth Harbour (PMH) by bus, train, or ferry
Compare bus, train, and ferry prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Feb 16
Feb 17
Feb 18
Feb 19
Feb 20
Feb 21
Feb 22
Why should you book London Heathrow Airport to Portsmouth Harbour (PMH) buses with Omio?
Why book with Omio vs National Express?
- Compare with other providers: On Omio, you can not only buy tickets for National Express, but also compare tickets for the likes of to find the best option for your trip from London Heathrow Airport to Portsmouth Harbour (PMH).
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare National Express with all available travel options, which are bus, train and ferry to ensure you get the best deal for traveling from London Heathrow Airport to Portsmouth Harbour (PMH).
Why book with Omio over Wanderu?
- Multiple modes of transport: Omio allows you to compare travel options including bus, train and ferry to find the ideal travel option from London Heathrow Airport to Portsmouth Harbour (PMH).
Journey information
Overview: Bus from London Heathrow Airport to Portsmouth Harbour (PMH)
Buses from London Heathrow Airport to Portsmouth Harbour (PMH) run on average 20 times per day, taking around 2h 31m. Cheap bus tickets for this journey start at $21 (€17) if you book in advance.
There are 11 buses per day. The earliest bus runs at 00:40, the last at 22:45. The fastest bus covers the 54 miles (88 km) distance in 1h 25m.
Distance 54 miles (88 km) |
Average bus duration 2h 31m |
Cheapest ticket price $21 (€17) |
Buses per day 20 |
Direct buses 11 |
Fastest bus 1h 25m |
First bus 00:40 |
Last bus 22:45 |
Bus providers: National Express from London Heathrow Airport to Portsmouth Harbour (PMH)You can travel by bus between London Heathrow Airport to Portsmouth Harbour (PMH) with National Express for as low as $21 (€17). When you search for schedules and tickets, Omio will show you the best journey
National Express
FAQs: Bus from London Heathrow Airport to Portsmouth Harbour (PMH)
Find answers to the most common questions about traveling from London Heathrow Airport to Portsmouth Harbour (PMH) by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at Portsmouth Harbour (PMH), this guide helps you travel smarter and with confidence.

- National Express
- Assistance
- Priority seating
- Accessible toilets.
- National Express
- You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
- National Express
- 10€ per additional bag.
Most popular bus connections from London Heathrow Airport
More options for your journey from London Heathrow Airport to Portsmouth Harbour (PMH)
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