4.9
4.6The cheapest and fastest trains from Portsmouth Harbour (PMH) to London Heathrow Airport
Cheapest price
£36
Average price
£52
Fastest journey
2 h 58 m
Average duration
3 h 24 m
Trains per day
4
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 £52 if you buy it on the day, but you can find cheap train tickets today for only £36.
Of the 4 trains that leave Portsmouth Harbour (PMH) for London Heathrow Airport every day 4 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct trains cover the 88 km distance in an average of 3 h 24 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 58 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.
8:043h17Portsmouth Harbour (PMH)11:21London Heathrow Airport£361One-way0 changes- 8:293h22Portsmouth Harbour (PMH)11:51London Heathrow Airport£381One-way0 changes
8:232h58Portsmouth Harbour (PMH)11:21London Heathrow Airport£671One-way0 changes- 7:233h58Portsmouth Harbour (PMH)11:21London Heathrow Airport£681One-way0 changes
- 8:232h58Portsmouth Harbour (PMH)11:21London Heathrow Airport£671One-way0 changes
- 8:043h17Portsmouth Harbour (PMH)11:21London Heathrow Airport£361One-way0 changes
- 8:293h22Portsmouth Harbour (PMH)11:51London Heathrow Airport£381One-way0 changes
- 7:233h58Portsmouth Harbour (PMH)11:21London Heathrow Airport£681One-way0 changes
Travel Information
Compare coach and train for Portsmouth Harbour (PMH) to London Heathrow Airport
Omio recommends booking the coach 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 coach with prices starting from £13. For those with little time consider booking a coach which can get you there in 2h 12m. The ticket price range depends on the travel mode: a coach costs an average of £13, and a train costs an average of £23.
Distance: 88 km
Compare train with
| Train | Most popular Coach |
|---|---|
£57 Average Price | £22 Average Price Cheapest |
2h 50m Average total duration 2h 20m Onboard + 30m Additional time* | 2h 42m Average total duration Fastest 2h 12m Onboard + 30m Additional time* |
 Most popular train company |  Most popular bus company |
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 19 June. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
| 7:23 Portsmouth Harbour (PMH) | 3h58 | 11:21 London Heathrow Airport | 0 changesdirect | |
| 8:04 Portsmouth Harbour (PMH) | 3h17 | 11:21 London Heathrow Airport | 0 changesdirect | |
| 8:23 Portsmouth Harbour (PMH) | 2h58 | 11:21 London Heathrow Airport | 0 changesdirect | |
| 8:29 Portsmouth Harbour (PMH) | 3h22 | 11:51 London Heathrow Airport | 0 changesdirect | |
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 coach or train
Compare coach and train 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.
19 Jun
20 Jun
21 Jun
22 Jun
23 Jun
24 Jun
25 Jun
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 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 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 and train 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
United KingdomUnited Kingdom
Trains from Portsmouth Harbour (PMH) to London Heathrow Airport run on average 14 times per day, taking around 2h 20m. Cheap train tickets for this journey start at £23 but you can travel from only £13 by coach.
The earliest train runs at 05:28, the last at 11:04. The fastest train covers the 88 km distance in 2h 58m.
Distance 88 km |
Average train duration 2h 20m |
Cheapest ticket price £23 |
Trains per day 14 |
Fastest train 2h 58m |
First train 5:28 |
Last train 11:04 |
Cheapest Month Nov |
Cheapest Day Wed |
High Season Jul - Sept |
Low Season Oct - Dec |
Busiest Day Wed |
Least Busy Day Mon |
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 £13. 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: 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
Wifi
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Lost and Found Office
Ticket Office
Bike Parking
Bike Rental
Car Rental
- 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
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)
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.
