The cheapest and fastest trains from Portsmouth & Southsea (PMS) to London Heathrow Airport
Cheapest price
$43
Average price
$72
Fastest journey
2 h 54 m
Average duration
3 h 2 m
Trains per day
3
Distance
87 km
The best way to find a cheap train ticket from Portsmouth & Southsea (PMS) 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 & Southsea (PMS) to London Heathrow Airport will cost around $72 if you buy it on the day, but the cheapest tickets can be found for only $43.
Of the 3 trains that leave Portsmouth & Southsea (PMS) for London Heathrow Airport on Fri, Dec 19, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, Dec 19 the direct trains cover the 87 km distance in an average of 3 h 2 m but if you time it right, some trains will get you there in just 2 h 54 m .
On Fri, Dec 19 the slowest trains will take 3 h 18 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.






Portsmouth & Southsea (PMS) - London Heathrow AirportCompare South Western Railway, Southern, CrossCountry



Travel Information
Compare bus and train for Portsmouth & Southsea (PMS) to London Heathrow Airport
Omio recommends booking the bus as it is the most popular option from Portsmouth & Southsea (PMS) to London Heathrow Airport among Omio's users. If you are prioritising price take the ferry with prices starting from €22. 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 €22, and a train costs an average of €24.
Distance: 54 miles (87 km)
Compare train with
| Train | Most popular Bus | Ferry |
|---|---|---|
€63 Average price | €22 Average price | €22 Average price Cheapest |
2h 56m Average total duration 2h 26m Onboard + 30m Additional time* | 3h 37m Average total duration 3h 7m 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 & Southsea (PMS) to London Heathrow Airport train times
The table below shows live departures for Portsmouth & Southsea (PMS) to London Heathrow Airport trains for today, Thursday, December 18. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 10:00 AM Portsmouth & Southsea (PMS) | 3h06 | 1:06 PM London Heathrow Airport | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Portsmouth & Southsea (PMS) to London Heathrow Airport by bus or train
Compare bus 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.
Dec 19
Dec 20
Dec 21
Dec 22
Dec 23
Dec 24
Dec 25
Why should you book Portsmouth & Southsea to London Heathrow Airport trains with Omio?
South Western Railway as well as Southern and CrossCountry offer trains services from Portsmouth & Southsea to London Heathrow Airport. Omio is an official ticket reseller for all your travel options from Portsmouth & Southsea to London Heathrow Airport.
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 and CrossCountry to find the best option for your trip from Portsmouth & Southsea 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 & Southsea to London Heathrow Airport.
Why book with Omio over Trainline and Rail Europe?
- Multiple travel company options: While South Western Railway tickets can be bought on South Western Railway's website or third party sellers, Omio allows you to compare with the likes of Southern and CrossCountry to help you choose the right option for your journey from Portsmouth & Southsea 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 & Southsea to London Heathrow Airport.
Journey information
Overview: Train from Portsmouth & Southsea (PMS) to London Heathrow Airport
Trains from Portsmouth & Southsea (PMS) to London Heathrow Airport run on average 16 times per day, taking around 2h 26m. Cheap train tickets for this journey start at $30 (€24) but you can travel from only $21 (€17) by bus.
The earliest train runs at 05:15, the last at 16:33. The fastest train covers the 54 miles (87 km) distance in 2h 44m.
Distance 54 miles (87 km) |
Average train duration 2h 26m |
Cheapest ticket price $30 (€24) |
Trains per day 16 |
Fastest train 2h 44m |
First train 05:15 |
Last train 16:33 |
Train companies: South Western Railway, Southern, CrossCountry from Portsmouth & Southsea (PMS) to London Heathrow Airport trainsSouth Western Railway, Southern, CrossCountry trains will get you between Portsmouth & Southsea (PMS) and London Heathrow Airport from $21 (€17). 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 & Southsea (PMS) to London Heathrow Airport
Find answers to the most common questions about traveling from Portsmouth & Southsea (PMS) 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 & Southsea (PMS) to London Heathrow Airport
- Opening hours: Monday - Friday 05:40 - 20:30 Saturday 05:40 - 20:30 Sunday 06:40 - 20:40
- Car Park: Station Car Park
- Staff help available: Yes
- Step free access coverage: Yes
- Step free access note: Step-free category A Station - This station has step-free access to all platforms. Please be aware that some platforms at this station have no or only partial 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 in the Lower Concourse, next to the gateline. The National key toilets are located in the Lower Concourse; these toilets are operated by a radar key. A radar key is available from station staff upon request. A 'National Key Scheme' key [RADAR] can be purchased by contacting the following. Address: 12 City Forum, 250 City Road, London, EC1V 8AF. Tel: 020 7250 3222. Minicom: 020 7250 4119. Fax: 020 7250 0212. Email: [email protected]
- National key toilets: Yes
- Baby changing facilities: No
- Storage sheltered: Yes
- Storage location: Concourse and car park
- Storage CCTV: Yes
- Location for Rail Replacement Services: Station Street bus stop at side of Railway Station near Matalan car park.
Most popular train connections from Portsmouth & Southsea (PMS)
More options for your journey from Portsmouth & Southsea (PMS) to London Heathrow Airport
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