Portsmouth to London Heathrow Airport train with South Western Railway

Sun 18 Oct
+ Add return
South Western Railway
Southern
CrossCountry
Avanti West Coast
Great Western Railway
2,000+ travel companies
South Western Railway
Southern
CrossCountry
Avanti West Coast
Great Western Railway
2,000+ travel companies
QR-Code
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
rate4.9
42K ratings
Google Play
rate4.6
136K reviews

The cheapest and fastest trains from Portsmouth to London Heathrow Airport

Showing times, prices and bookable tickets for 18 Oct

Cheapest price on 18 Oct

£69

Average ticket price on 18 Oct

£75

Fastest journey on 18 Oct

2 h 51 m

Average journey duration on 18 Oct

3 h 4 m

Trains on 18 Oct

8

Distance

87 km

Cheap tickets

The best way to find a cheap train ticket from Portsmouth 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 to London Heathrow Airport will cost around £75 if you buy it on the day, but you can find cheap train tickets today for only £69.

Fast trains

To travel from Portsmouth to London Heathrow Airport you need to make at least 3 changes.

  • South Western RailwayL79955+Elizabeth lineC37355+CrossCountryG00880+Elizabeth lineC37643
    12:223h17
    Portsmouth & Southsea (PMS)
    15:39Heathrow Terminal 5 (HWV)
    £691One-way
    3 changes
  • South Western RailwayL79961+CrossCountryG00885+Elizabeth lineC37731 · C37374
    13:223h11
    Portsmouth & Southsea (PMS)
    16:33Heathrow Terminals 2 & 3 (HXX)
    £691One-way
    3 changes
  • South Western RailwayL79961+Elizabeth lineC37731 · C37374+CrossCountryG00885
    13:223h17
    Portsmouth & Southsea (PMS)
    16:39Heathrow Terminal 5 (HWV)
    £691One-way
    3 changes
  • South Western RailwayL79955+Elizabeth lineC37643 · C37355+CrossCountryG00880
    12:223h11
    Portsmouth & Southsea (PMS)
    15:33Heathrow Terminals 2 & 3 (HXX)
    £691One-way
    3 changes
  • South Western RailwayL79961+CrossCountryG00885+Great Western RailwayW34492+Heathrow ExpressW10687
    13:222h51
    Portsmouth & Southsea (PMS)
    16:13Heathrow Terminals 2 & 3 (HXX)
    £811One-way
    3 changes

Journey information

Overview: Train from Portsmouth to London Heathrow Airport

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Portsmouth to London Heathrow Airport run on average 10 times per day, taking around 2h 36m. Cheap train tickets for this journey start at £28 but you can travel from only £15 by coach.

The earliest train runs at 07:03, the last at 18:29. The fastest train covers the 87 km distance in 2h 4m.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Coach from £15
Distance
87 km
Average train duration
2h 36m
Cheapest ticket price
£28
Trains per day
10
Fastest train
2h 4m
First train
7:03
Last train
18:29
Cheapest Month
Jan
Cheapest Day
Tue
High Season
Oct - Dec
Low Season
Apr - Jun
Busiest Day
Fri
Least Busy Day
Sun
Best time to book
2 days
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Coach from £15

Live departures

Portsmouth to London Heathrow Airport train times

The table below shows live departures for Portsmouth to London Heathrow Airport trains for tomorrow, Sunday 18 October. You can also manually refresh the results below to see updated train journeys.

Last updated at
ProviderDepartsDurationArrivesChanges
Tickets
South Western RailwayL79955+CrossCountryG00880+Elizabeth lineC37355+Great Western RailwayC3296512:22 Portsmouth & Southsea (PMS)
3h17
15:39 Heathrow Terminal 5 (HWV)3 changes
South Western RailwayL79955+CrossCountryG00880+Elizabeth lineC37643 · C3735512:22 Portsmouth & Southsea (PMS)
3h11
15:33 Heathrow Terminals 2 & 3 (HXX)3 changes
South Western RailwayL79955+CrossCountryG00880+Elizabeth lineC37355+Great Western RailwayC3296512:22 Portsmouth & Southsea (PMS)
3h11
15:33 Heathrow Terminals 2 & 3 (HXX)3 changes
South Western RailwayL79955+CrossCountryG00880+Elizabeth lineC37643 · C3735512:22 Portsmouth & Southsea (PMS)
3h17
15:39 Heathrow Terminal 5 (HWV)3 changes
South Western RailwayL79961+CrossCountryG00885+Elizabeth lineC37731 · C3737413:22 Portsmouth & Southsea (PMS)
3h11
16:33 Heathrow Terminals 2 & 3 (HXX)3 changes
South Western RailwayL79961+CrossCountryG00885+Elizabeth lineC37731 · C3737413:22 Portsmouth & Southsea (PMS)
3h17
16:39 Heathrow Terminal 5 (HWV)3 changes
South Western RailwayL79961+CrossCountryG00885+Great Western RailwayW34492+Heathrow ExpressW1068713:22 Portsmouth & Southsea (PMS)
2h57
16:19 Heathrow Terminal 5 (HWV)3 changes
South Western RailwayL79961+CrossCountryG00885+Great Western RailwayW34492+Heathrow ExpressW1068713:22 Portsmouth & Southsea (PMS)
2h51
16:13 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 to London Heathrow Airport trains with Omio?

South Western Railway as well as Southern or CrossCountry offer trains services from Portsmouth to London Heathrow Airport.
Omio is an official ticket reseller for all your travel options from Portsmouth 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 or CrossCountry to find the best option for your trip from Portsmouth 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 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 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 to London Heathrow Airport.

Train companies: South Western Railway, Southern, CrossCountry from Portsmouth to London Heathrow Airport trainsSouth Western Railway, Southern, CrossCountry trains will get you between Portsmouth and London Heathrow Airport from £15. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.

South Western Railway

About
South Western Railway is a train operating company in the United Kingdom, providing services in the south and south-west of England. It operates a variety of train types, including high-speed trains, local stopping services, and suburban commuter trains. It also offers a range of ticket types, including Advance, Off-Peak, and Super Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, and a range of food and drink options. The most popular routes for South Western Railway include London Waterloo to Portsmouth Harbour, London Waterloo to Weymouth, and London Waterloo to Bournemouth.
Luggage & cancellation policy
Average South Western Railway Duration
2h 4m
Cheapest South Western Railway Price
£29
South Western Railway frequency
5 a day
Luggage included
2 pieces of luggage included in ticket price
Luggage storage
Overhead racks and designated luggage areas at end of carriages
Cancellation Policy
Refund depends on ticket type and timing of cancellation
Refund
Full refund if train is cancelled by operator
Amenities on board the train
Wifi
Food sold onboard
Cafe bar service with hot and cold drinks, snacks, sandwiches
Seat reservation
Seat reservations available for a fee, free for some ticket types
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, assistance service available
Pets
Small pets travel free, dogs must be on lead
Quiet zone

Southern

About
Southern Rail is a train company based in the United Kingdom. It operates a wide range of services, from high-speed intercity trains to local commuter services. Its trains include the InterCity 125, InterCity 225, and Class 444 and 450. It also offers a variety of ticket types, such as Advance, Off-Peak, and Super Off-Peak. Onboard facilities include free Wi-Fi, power sockets, and a range of food and drink options. The most popular routes for Southern Rail are London to Brighton, London to Southampton, and London to Portsmouth.
Luggage & cancellation policy
Average Southern Duration
2h 39m
Cheapest Southern Price
£28
Southern frequency
3 a day
Luggage included
2 pieces of luggage and 1 piece of hand luggage
Luggage storage
Overhead racks and luggage areas at the end of carriages
Cancellation Policy
According to ticket type conditions
Refund
Full refund provided
Amenities on board the train
Wifi
Food sold onboard
Trolley service with snacks and drinks
Seat reservation
Seat reservations available for a fee
Toilets
USB plugs
Accessibility
Wheelchair spaces and accessible toilets available
Pets
Small pets in carriers travel free, larger dogs require a ticket
Quiet zone

CrossCountry

About
CrossCountry is a fast-speed train operator in the United Kingdom, offering both express and regional services across the country. Express services, such as the CrossCountry Voyager and XC Trains, provide quick and comfortable journeys with amenities like free Wi-Fi, power sockets, and a selection of snacks and drinks. Regional services, including the CrossCountry Regional and Regional Express, make more local stops for a leisurely trip. Ticket options include Standard Class and First Class, as well as Advance, Anytime, and Off-Peak fares to suit different budgets and schedules. Popular routes include London to Birmingham, Manchester to Edinburgh, and Bristol to Reading.
Luggage & cancellation policy
Average CrossCountry Duration
2h 13m
Cheapest CrossCountry Price
£64
CrossCountry frequency
2 a day
Luggage included
2 pieces of luggage included in ticket price
Luggage storage
Overhead racks and luggage storage areas at ends of carriages
Cancellation Policy
Refund policies vary by ticket type
Refund
Full refund provided for canceled services
Amenities on board the train
Wifi
Food sold onboard
Trolley service with drinks and snacks on some routes
Seat reservation
Seat reservations available for additional fee
Toilets
USB plugs
Accessibility
Wheelchair spaces and accessible toilets available
Pets
Small pets in carriers travel free, larger dogs require ticket
Quiet zone

FAQs: Portsmouth to London Heathrow Airport train

Find answers to the most common questions about traveling from Portsmouth 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.

FAQs
The cost of a train ticket from Portsmouth to London Heathrow Airport can vary. The cheapest tickets are usually available from £28, while the average price tends to be around £68.
The train journey from Portsmouth to London Heathrow Airport covers a distance of 87 km and takes approximately 2h 4m. Trains run 10 per day.
The train distance from Portsmouth to London Heathrow Airport is 87 km.
The first train from Portsmouth to London Heathrow Airport leaves at 7:03.
The last train from Portsmouth to London Heathrow Airport departs at 18:29.
Trains from Portsmouth to London Heathrow Airport run approximately 10 times per day.
Currently, there is no high-speed train service from Portsmouth to London Heathrow Airport.
Unfortunately, there is no direct train service currently available from Portsmouth to London Heathrow Airport.
There is no night train service from Portsmouth to London Heathrow Airport.
Booking trains from Portsmouth to London Heathrow Airport in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
The train journey from Portsmouth to London Heathrow Airport is primarily focused on urban and suburban landscapes, rather than scenic views. The route travels through cities and towns, with limited views of the countryside.
Yes, you can take the train from Portsmouth to London Heathrow Airport.

popular train stations

Important Stations and Airports in Portsmouth and London Heathrow Airport

Most Portsmouth to London Heathrow Airport trains use the Portsmouth & Southsea to London Waterloo station pair. Use this guide to compare Portsmouth and London Heathrow Airport train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.

Departure train stations in Portsmouth
Arrival train stations in London
Portsmouth & SouthseaPortsmouth & Southsea station, Commercial Road, Portsmouth, Hampshire, PO1 1EQWifiParkingDiningATMAccessibilityWCHotelLost and Found OfficeTicket OfficeBike ParkingBike Rental
City-centre transport

Getting to Portsmouth & Southsea from Portsmouth city centre

Location for Rail Replacement ServicesStation Street bus stop at side of Railway Station near Matalan car park.

Portsmouth & Southsea train station facilities and services

Portsmouth & Southsea has practical services for this route, including Wifi, Parking, Dining, ATM, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking and Bike Rental.

Food and drink

Food and drink options are available at Portsmouth & Southsea.

Wi-Fi and ATMs

Wi-Fi is available at Portsmouth & Southsea. ATMs are available at Portsmouth & Southsea.

Tickets and information

Ticket office support is available at Portsmouth & Southsea.

Luggage and lost property

Lost and found is available at the station.

Parking, taxis and toilets

Available at Portsmouth & Southsea: Parking, WC.

Bike and car services

Available at Portsmouth & Southsea: Bike Parking, Bike Rental.

Accessibility

Accessibility facilities are available at Portsmouth & Southsea: 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.

Portsmouth HarbourPortsmouth Harbour station, The Hard Interchange, Portsmouth, Hampshire, PO1 3PAWifiParkingDiningATMTaxisAccessibilityWCHotelLost and Found OfficeTicket OfficeBike ParkingBike RentalCar Rental
City-centre transport

Getting to Portsmouth Harbour from Portsmouth city centre

Portsmouth Harbour is 1 km from Portsmouth city centre. Public transport options include:

TrainLondon Victoria - Portsmouth Harbour, Brighton - Portsmouth Harbour, Littlehampton - Portsmouth Harbour, Three Bridges - Portsmouth Harbour, Barnham - Portsmouth Harbour, Gatwick Airport - Portsmouth Harbour, Havant - Portsmouth Harbour, Bognor Regis - Portsmouth Harbour · 3m · £1 · every ~4 min
Bus1, 2, 8, 3, 7, X4, H1, X5, Pr1 · 6m · £2 · every ~214 min

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.

FrattonFratton station, Selbourne Terrace, Portsmouth, Hampshire, PO1 5AWWifiShoppingParkingDiningAccessibilityWCLost and Found OfficeTicket OfficeBike ParkingBike RentalCar RentalInformation Desk
City-centre transport

Getting to Fratton from Portsmouth city centre

Fratton is 1 km from Portsmouth city centre. Public transport options include:

TrainPortsmouth Harbour - London Waterloo, Portsmouth Harbour - Eastleigh, Portsmouth Harbour - Southampton Central, Portsmouth & Southsea - Southampton Central, Portsmouth Harbour - Woking, Portsmouth & Southsea - London Waterloo, Portsmouth Harbour - Guildford, Portsmouth Harbour - Winchester, Portsmouth Harbour - Basingstoke, Portsmouth & Southsea - Woking, Portsmouth Harbour - Woolston, Portsmouth & Southsea - Woolston, Portsmouth Harbour - Petersfield, Portsmouth Harbour - Fareham · 3m · £1 · every ~10 min
Bus1 · 4m · every ~30 min
13 · 6m · £2 · every ~6 min

Fratton train station facilities and services

Fratton has practical services for this route, including Wifi, Shopping, Parking, Dining, Accessibility, WC, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, Car Rental and Information Desk.

Food and drink

Food and drink options are available at Fratton.

Wi-Fi and ATMs

Wi-Fi is available at Fratton.

Tickets and information

Ticket office support is available at Fratton. Information desks are information available from staff: Yes - from help point, Helpline Contact: 0800 5282100.

Luggage and lost property

Lost and found is available at the station.

Parking, taxis and toilets

Available at Fratton: Parking, WC.

Bike and car services

Available at Fratton: Bike Parking, Bike Rental, Car Rental.

Accessibility

Accessibility facilities are available at Fratton: 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.

Most popular trains to and from London Heathrow Airport and Portsmouth

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.

ios-badge
android-badge
Hand With Phone