The cheapest and fastest trains from London Heathrow Airport to Portsmouth
Cheapest price
$80
Average price
$87
Fastest journey
2 h 56 m
Average duration
3 h 14 m
Trains per day
5
Distance
87 km
The best way to find a cheap train ticket from London Heathrow Airport to Portsmouth 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 will cost around $87 if you buy it on the day, but the cheapest tickets can be found for only $80.
Of the 5 trains that leave London Heathrow Airport for Portsmouth on Sun, Nov 30, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Nov 30 the direct trains cover the 87 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 56 m .
On Sun, Nov 30 the slowest trains will take 3 h 47 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 and train for London Heathrow Airport to Portsmouth
Omio recommends booking the bus as it is the most popular option from London Heathrow Airport to Portsmouth 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 €43.
Distance: 54 miles (87 km)
Compare train with
| Train | Most popular Bus | Ferry |
|---|---|---|
€72 Average price | €24 Average price | €21 Average price Cheapest |
2h 56m Average total duration 2h 26m Onboard + 30m Additional time* | 3h 24m Average total duration 2h 54m Onboard + 30m Additional time* | 1h 45m Average total duration Fastest 45m Onboard + 1h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
London Heathrow Airport to Portsmouth train times
The table below shows live departures for London Heathrow Airport to Portsmouth trains for today, Saturday, November 29. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
P07242+ Y37011+ Y28118 | On time 8:00 AM Heathrow Terminal 4 (HAF) | 3h16 | 11:16 AM Portsmouth & Southsea (PMS) | 2 transfers | |
P07242+ Y37011+ Y28118 | On time 8:06 AM Heathrow Terminals 2 & 3 (HXX) | 3h10 | 11:16 AM Portsmouth & Southsea (PMS) | 2 transfers | |
Y17296+ Tube from London Paddington to London Victoria+ Y28123 | On time 8:27 AM Heathrow Terminal 5 (HWV) | 3h11 | 11:38 AM Portsmouth & Southsea (PMS) | 2 transfers | |
P07287+ Y37017+ Y28123 | On time 8:30 AM Heathrow Terminal 4 (HAF) | 3h08 | 11:38 AM Portsmouth & Southsea (PMS) | 2 transfers | |
P07287+ Y37017+ Y28123 | On time 8:36 AM Heathrow Terminals 2 & 3 (HXX) | 3h02 | 11:38 AM Portsmouth & Southsea (PMS) | 2 transfers | |
P07302 · P06865+ G05609+ L48019 | On time 8:45 AM Heathrow Terminal 4 (HAF) | 3h28 | 12:13 PM Portsmouth & Southsea (PMS) | 3 transfers | |
P07700 · P06865+ G05609+ L48019 | On time 8:50 AM Heathrow Terminal 5 (HWV) | 3h23 | 12:13 PM Portsmouth & Southsea (PMS) | 3 transfers | |
P07700 · P06865+ G05609+ L48019 | On time 8:55 AM Heathrow Terminals 2 & 3 (HXX) | 3h18 | 12:13 PM Portsmouth & Southsea (PMS) | 3 transfers | |
P07328+ Y37023+ Y28130 | On time 9:00 AM Heathrow Terminal 4 (HAF) | 3h16 | 12:16 PM Portsmouth & Southsea (PMS) | 2 transfers | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets London Heathrow Airport to Portsmouth 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.
Nov 30
Dec 01
Dec 02
Dec 03
Dec 04
Dec 05
Dec 06
Why should you book London Heathrow Airport to Portsmouth trains with Omio?
South Western Railway as well as Southern, CrossCountry and Tfl Rail offer trains services from London Heathrow Airport to Portsmouth. Omio is an official ticket reseller for all your travel options from London Heathrow Airport to Portsmouth.
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 and Tfl Rail to find the best option for your trip from London Heathrow Airport to Portsmouth.
- 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 London Heathrow Airport to Portsmouth.
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, CrossCountry and Tfl Rail to help you choose the right option for your journey from London Heathrow Airport to Portsmouth.
- Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from London Heathrow Airport to Portsmouth.
Journey information
Overview: Train from London Heathrow Airport to Portsmouth
Trains from London Heathrow Airport to Portsmouth run on average 13 times per day, taking around 2h 26m. Cheap train tickets for this journey start at $53 (€43) but you can travel from only $21 (€17) by bus.
The earliest train runs at 04:47, the last at 22:47. The fastest train covers the 54 miles (87 km) distance in 2h 42m.
Distance 54 miles (87 km) |
Average train duration 2h 26m |
Cheapest ticket price $53 (€43) |
Trains per day 13 |
Fastest train 2h 42m |
First train 04:47 |
Last train 22:47 |
Train companies: South Western Railway, Southern, CrossCountry, Tfl Rail from London Heathrow Airport to Portsmouth trainsSouth Western Railway, Southern, CrossCountry, Tfl Rail trains will get you between London Heathrow Airport and Portsmouth 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
Tfl Rail
FAQs: Trains from London Heathrow Airport to Portsmouth
Find answers to the most common questions about traveling from London Heathrow Airport to Portsmouth 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 Portsmouth, this guide helps you travel smarter and with confidence.

popular train stations
Popular train stations from London Heathrow Airport to Portsmouth
- Opening hours: Monday - Friday 05:55 - 19:40 Saturday 05:55 - 19:40 Sunday 09:10 - 18:40
- 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
- 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 Booking Hall on Platform 1. The National key toilets are located in the Booking Hall on Platform 1; these toilets are operated by a radar key.
- National key toilets: Yes
- Baby changing facilities: No
- Storage sheltered: Yes
- Storage location: Platform 1
- Storage CCTV: No
- Information available from staff: Yes - from help point
- Helpline Contact: 0800 5282100
- Location for Rail Replacement Services: Goldsmith Avenue (for buses in both directions). Goldsmith Avenue is located on the opposite side of the footbridge from the main entrance/taxi rank/Railway club.
- Car Park: No
- Storage sheltered: No
- Storage CCTV: Yes
- Location for Rail Replacement Services: To Portsmouth: Norway Road bus stop by Vauxhall Garage To Cosham / Havant: Norway Road bus stop opposite Vauxhall Garage
- 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.
- 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 London Heathrow Airport
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