4.9
4.6The cheapest and fastest trains from Portsmouth Harbour (PMH) to London Heathrow Airport
- Cheapest price on 02 Nov
- £44
- Average ticket price on 02 Nov
- £58
- Fastest journey on 02 Nov
- 2 h 58 m
- Average journey duration on 02 Nov
- 3 h 14 m
- Trains on 02 Nov
- 3
- 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 travelling at rush hour.
The average ticket from Portsmouth Harbour (PMH) to London Heathrow Airport will cost around £58 if you buy it on the day, but you can find cheap train tickets today for only £44.
On Mon 02 Nov, we found 3 trains from Portsmouth Harbour (PMH) to London Heathrow Airport, including 3 direct services.
These direct trains cover the 88 km distance in an average of 3 h 14 m but if you time it right, some trains will get you there in just 2 h 58 m .
The slowest trains will take 3 h 23 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.
8:29 3h22 Portsmouth Harbour (PMH) 11:51 London Heathrow Airport £44 1 One-way 0 changes5:28 3h23 Portsmouth Harbour (PMH) 8:51 London Heathrow Airport £65 1 One-way 0 changes
8:23 2h58 Portsmouth Harbour (PMH) 11:21 London Heathrow Airport £65 1 One-way 0 changes
8:23 2h58 Portsmouth Harbour (PMH) 11:21 London Heathrow Airport £65 1 One-way 0 changes8:29 3h22 Portsmouth Harbour (PMH) 11:51 London Heathrow Airport £44 1 One-way 0 changes5:28 3h23 Portsmouth Harbour (PMH) 8:51 London Heathrow Airport £65 1 One-way 0 changes
Journey information
Overview: Train from Portsmouth Harbour (PMH) to London Heathrow Airport
United KingdomUnited Kingdom
Trains from Portsmouth Harbour (PMH) to London Heathrow Airport run on average 10 times per day, taking around 2h 37m. Cheap train tickets for this journey start at £30 but you can travel from only £18 by coach.
The earliest train runs at 05:10, the last at 13:59. The fastest train covers the 88 km distance in 2h 1m.
Distance 88 km |
Average train duration 2h 37m |
Cheapest ticket price £30 |
Trains per day 10 |
Fastest train 2h 1m |
First train 5:10 |
Last train 13:59 |
Cheapest Month Nov |
Cheapest Day Wed |
High Season Jul - Sept |
Low Season Oct - Dec |
Busiest Day Wed |
Least Busy Day Mon |
Best time to book 1 day |
Frequently asked questions about your Portsmouth Harbour (PMH) to London Heathrow Airport trip
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Portsmouth Harbour (PMH) to London Heathrow Airport.
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 today, Sunday 1 November. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
C82594_C82419+ C36883+ Tube from London Victoria to Whitechapel | 14:01 Portsmouth Harbour (PMH) | 3h46 | 17:47 Heathrow Terminal 4 (HAF) | 2 changes | |
C82594_C82419+C37284+ X18596 | On time 14:01 Portsmouth Harbour (PMH) | 3h32 | 17:33 Heathrow Terminals 2 & 3 (HXX) | 2 changes | |
| C82594_C82419+X18596+C37284 | 14:01 Portsmouth Harbour (PMH) | 3h38 | 17:39 Heathrow Terminal 5 (HWV) | 2 changes | |
 L79967+C37814 · C37284+G00890 | On time 14:17 Portsmouth Harbour (PMH) | 3h16 | 17:33 Heathrow Terminals 2 & 3 (HXX) | 3 changes | |
| L79967+C37814 · C37284+G00890 | On time 14:17 Portsmouth Harbour (PMH) | 3h22 | 17:39 Heathrow Terminal 5 (HWV) | 3 changes | |
| L79967+G00890+C36883 · C37814 | On time 14:17 Portsmouth Harbour (PMH) | 3h30 | 17:47 Heathrow Terminal 4 (HAF) | 3 changes | |
L79967+G00890+ W10699+ C32967 | On time 14:17 Portsmouth Harbour (PMH) | 3h02 | 17:19 Heathrow Terminal 5 (HWV) | 3 changes | |
| L79967+G00890+W10699+C32967 | On time 14:17 Portsmouth Harbour (PMH) | 2h56 | 17:13 Heathrow Terminals 2 & 3 (HXX) | 3 changes | |
| L79967+G00890+C32967+C36883 | On time 14:17 Portsmouth Harbour (PMH) | 3h30 | 17:47 Heathrow Terminal 4 (HAF) | 3 changes | |
| C82604_C82429+C36928+Tube from London Victoria to Whitechapel | 15:01 Portsmouth Harbour (PMH) | 3h46 | 18:47 Heathrow Terminal 4 (HAF) | 2 changes | |
| C82604_C82429+X18594+C37311 | 15:01 Portsmouth Harbour (PMH) | 3h32 | 18:33 Heathrow Terminals 2 & 3 (HXX) | 2 changes | |
| C82604_C82429+C37311+X18594 | On time 15:01 Portsmouth Harbour (PMH) | 3h38 | 18:39 Heathrow Terminal 5 (HWV) | 2 changes | |
| L79973+C37463+G00897+C37311 | On time 15:17 Portsmouth Harbour (PMH) | 3h16 | 18:33 Heathrow Terminals 2 & 3 (HXX) | 3 changes | |
| L79973+G00897+C37311 · C37463 | On time 15:17 Portsmouth Harbour (PMH) | 3h22 | 18:39 Heathrow Terminal 5 (HWV) | 3 changes | |
| L79973+C37463 · C36928+G00897 | On time 15:17 Portsmouth Harbour (PMH) | 3h30 | 18:47 Heathrow Terminal 4 (HAF) | 3 changes | |
| L79973+G00897+W10711+C01234 | On time 15:17 Portsmouth Harbour (PMH) | 3h02 | 18:19 Heathrow Terminal 5 (HWV) | 3 changes | |
| L79973+C01234+G00897+C36928 | On time 15:17 Portsmouth Harbour (PMH) | 3h30 | 18:47 Heathrow Terminal 4 (HAF) | 3 changes | |
| L79973+G00897+C01234+W10711 | On time 15:17 Portsmouth Harbour (PMH) | 2h56 | 18:13 Heathrow Terminals 2 & 3 (HXX) | 3 changes | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
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, CrossCountry or Thameslink 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 and train 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, CrossCountry or Thameslink 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 and train to find the ideal travel option from Portsmouth Harbour (PMH) to London Heathrow Airport.
Train companies: South Western Railway, Southern, CrossCountry, Thameslink from Portsmouth Harbour (PMH) to London Heathrow Airport trainsSouth Western Railway, Southern, CrossCountry, Thameslink trains will get you between Portsmouth Harbour (PMH) and London Heathrow Airport from £18. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
South Western Railway
Southern
CrossCountry
Thameslink
Companies, tickets, and onboard amenities between Portsmouth Harbour (PMH) and London Heathrow Airport
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
FAQs: Portsmouth Harbour (PMH) to London Heathrow Airport train
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
Important Stations and Airports in Portsmouth Harbour (PMH) and London Heathrow Airport
Most Portsmouth Harbour (PMH) to London Heathrow Airport trains use the Portsmouth & Southsea to London Waterloo station pair. Use this guide to compare Portsmouth Harbour (PMH) and London Heathrow Airport train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Getting to Portsmouth Harbour from Portsmouth city centre
Portsmouth Harbour is 1 km from Portsmouth city centre. Public transport options include:
Portsmouth Harbour train station facilities and services
Portsmouth Harbour has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental and Car Rental.
Food and drink
Food and drink options are available at Portsmouth Harbour.
Wi-Fi and ATMs
Wi-Fi is available at Portsmouth Harbour. ATMs are available at Portsmouth Harbour.
Tickets and information
Ticket office support is available at Portsmouth Harbour.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Portsmouth Harbour: Parking, Taxis, WC.
Bike and car services
Available at Portsmouth Harbour: Bike Parking, Bike Rental, Car Rental.
Accessibility
Accessibility facilities are available at Portsmouth Harbour: 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.
Most popular train connections from Portsmouth Harbour (PMH)
More options for your journey from Portsmouth Harbour (PMH) to London Heathrow Airport
Here are some other resources that might have the information you need
Most popular trains to and from London Heathrow Airport and Portsmouth Harbour (PMH)
Most popular train connections to London Heathrow Airport
The Omio App Makes Travel Planning Easy
We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.
