The cheapest and fastest trains from Portsmouth Harbour (PMH) to London Heathrow Airport
Cheapest price
$99
Average price
$113
Fastest journey
2 h 58 m
Average duration
3 h 6 m
Trains per day
12
Distance
88 km
The best way to find a cheap train ticket from Portsmouth Harbour (PMH) to London Heathrow Airport is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Portsmouth Harbour (PMH) to London Heathrow Airport will cost around $113 if you buy it on the day, but the cheapest tickets can be found for only $99.
It's difficult to get from Portsmouth Harbour (PMH) to London Heathrow Airport without transferring at least 2 times.
P22724+
K45125+
G23987 · G23457
L73584+
K45124+
G24077 · G23848
P22724+
K45125+
G23987 · G23457
P22724+
K45125+
G23987 · G23457
P41212_W60034+
Tube from London Victoria to Whitechapel+
G23837
P22724+
K45125+
G23987 · G23457
P22724+
K45125+
G23987 · G23457
P61318+
Tube from London Waterloo to London Paddington+
C28810
P22724+
K45125+
G23987 · G23457
P61318+
Tube from London Waterloo to London Paddington+
C28810Travel Information
Compare bus, train, and ferry for Portsmouth Harbour (PMH) to London Heathrow Airport
Omio recommends booking the bus as it is the most popular option from Portsmouth Harbour (PMH) to London Heathrow Airport 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 €30.
Distance: 54 miles (88 km)
Compare train with
| Train | Most popular Bus | Ferry |
|---|---|---|
€68 Average price | €23 Average price | €22 Average price Cheapest |
3h 6m Average total duration 2h 36m Onboard + 30m Additional time* | 2h 52m Average total duration 2h 22m Onboard + 30m Additional time* | 1h 45m Average total duration Fastest 45m Onboard + 1h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
Portsmouth Harbour (PMH) to London Heathrow Airport train times
The table below shows live departures for Portsmouth Harbour (PMH) to London Heathrow Airport trains for tomorrow, Friday, February 6. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
P22724+ K45125+ G23987 · G23457 | On time 8:23 AM Portsmouth Harbour (PMH) | 3h04 | 11:27 AM Heathrow Terminal 4 (HAF) | 3 transfers | |
P22724+ K45125+ G23987 · G23457 | On time 8:23 AM Portsmouth Harbour (PMH) | 2h58 | 11:21 AM Heathrow Terminals 2 & 3 (HXX) | 3 transfers | |
P22724+ K45125+ G23987 · G23457 | On time 8:23 AM Portsmouth Harbour (PMH) | 3h08 | 11:31 AM Heathrow Terminal 5 (HWV) | 4 transfers | |
P41212_W60034+ Tube from London Victoria to Whitechapel+ G23837 | 8:29 AM Portsmouth Harbour (PMH) | 3h36 | 12:05 PM Heathrow Terminal 5 (HWV) | 2 transfers | |
P41212_W60034+ W59436+ G23477 | 8:29 AM Portsmouth Harbour (PMH) | 3h28 | 11:57 AM Heathrow Terminal 4 (HAF) | 2 transfers | |
P41212_W60034+ W59436+ G23477+ C28813 | On time 8:29 AM Portsmouth Harbour (PMH) | 3h32 | 12:01 PM Heathrow Terminal 5 (HWV) | 3 transfers | |
P41212_W60034+ W59436+ G23477 | 8:29 AM Portsmouth Harbour (PMH) | 3h22 | 11:51 AM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
P61318+ Tube from London Waterloo to London Paddington+ C28810 | On time 8:33 AM Portsmouth Harbour (PMH) | 3h07 | 11:40 AM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
P61318+ Tube from London Waterloo to London Paddington+ C28810 | On time 8:33 AM Portsmouth Harbour (PMH) | 3h13 | 11:46 AM Heathrow Terminal 5 (HWV) | 2 transfers | |
L73584+ K45124+ G24077 · G23848 | On time 8:55 AM Portsmouth Harbour (PMH) | 3h40 | 12:35 PM Heathrow Terminal 5 (HWV) | 3 transfers | |
P41216_W60036+ W59439+ G23499 | 9:04 AM Portsmouth Harbour (PMH) | 3h17 | 12:21 PM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
P41216_W60036+ W59439+ G23499 | 9:04 AM Portsmouth Harbour (PMH) | 3h23 | 12:27 PM Heathrow Terminal 4 (HAF) | 2 transfers | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Portsmouth Harbour (PMH) to London Heathrow Airport 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 06
Feb 07
Feb 08
Feb 09
Feb 10
Feb 11
Feb 12
Why should you book Portsmouth Harbour (PMH) to London Heathrow Airport trains with Omio?
Why book with Omio vs South Western Railway?
- Compare with other providers: On Omio, you can not only buy tickets for South Western Railway, but also compare tickets for the likes of Southern or CrossCountry to find the best option for your trip from Portsmouth Harbour (PMH) to London Heathrow Airport.
- 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 South Western Railway with all available travel options, which are bus, train and ferry to ensure you get the best deal for traveling from Portsmouth Harbour (PMH) to London Heathrow Airport.
Why book with Omio over Wanderu or Trainline?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Southern or CrossCountry to find the best option for your trip from Portsmouth Harbour (PMH) to London Heathrow Airport.
- Multiple modes of transport: Omio allows you to compare travel options including bus, train and ferry to find the ideal travel option from Portsmouth Harbour (PMH) to London Heathrow Airport.
Journey information
Overview: Train from Portsmouth Harbour (PMH) to London Heathrow Airport
Trains from Portsmouth Harbour (PMH) to London Heathrow Airport run on average 14 times per day, taking around 2h 36m. Cheap train tickets for this journey start at $37 (€30) but you can travel from only $21 (€16) by bus.
The earliest train runs at 05:28, the last at 12:04. The fastest train covers the 54 miles (88 km) distance in 2h 58m.
Distance 54 miles (88 km) |
Average train duration 2h 36m |
Cheapest ticket price $37 (€30) |
Trains per day 14 |
Fastest train 2h 58m |
First train 05:28 |
Last train 12:04 |
Train companies: South Western Railway, Southern, CrossCountry from Portsmouth Harbour (PMH) to London Heathrow Airport trainsSouth Western Railway, Southern, CrossCountry trains will get you between Portsmouth Harbour (PMH) and London Heathrow Airport from $21 (€16). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
South Western Railway
Southern
CrossCountry
FAQs: Trains from Portsmouth Harbour (PMH) to London Heathrow Airport
Find answers to the most common questions about traveling from Portsmouth Harbour (PMH) to London Heathrow Airport by train. 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 train, the cheapest option, or tips for making the most of your visit at London Heathrow Airport, this guide helps you travel smarter and with confidence.

popular train stations
Popular train stations from Portsmouth Harbour (PMH) to London Heathrow Airport
- Opening hours: Monday - Friday 05:50 - 19:00 Saturday 06:30 - 19:00 Sunday 08:00 - 19:00
- Car Park: No
- Staff help available: Yes
- Step free access coverage: Yes
- Step free access note: Step-free category B Station - Steps or 20m ramp (approx. 1:11 gradient) to main entrance, or steps to side entrance. 32m ramp (gradient up to 1:8) from Wightlink IoW ferry terminal. Level access to all platforms. Stepped footbridge between platforms is also available. Please be aware that this station has no tactile paving on the platform edge.
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible ticket machines note: All South Western Railway ticket machines are able to sell tickets with Disabled Persons Railcard discounts. All machines are accessible, however the station may not be so please check the station access note for further details
- Accessible toilets: Yes
- Ramp for train access: Yes
- Wheelchairs available: Yes
- Impaired mobility set down / pick up points available: No
- Toilets Location: The toilets are located on Platform 1. The National key toilets are located on Platform 1; these toilets are operated by a radar key.
- National key toilets: Yes
- National key toilets location: The National key toilets are located on Platform 1; these toilets are operated by a radar key.
- Baby changing facilities: No
- Storage sheltered: No
- Storage location: Platform 1 and outside booking hall
- Storage CCTV: Yes
- Location for Rail Replacement Services: Hard Interchange Stands G, H or J
Most popular train connections from Portsmouth Harbour (PMH)
More options for your journey from Portsmouth Harbour (PMH) to London Heathrow Airport
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