The cheapest and fastest trains from Portsmouth to London Heathrow Airport
Cheapest price on Oct 13
$93
Average ticket price on Oct 13
$101
Fastest journey on Oct 13
2 h 49 m
Average journey duration on Oct 13
2 h 54 m
Trains on Oct 13
21
Distance
87 km
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 traveling at rush hour.
The average ticket from Portsmouth to London Heathrow Airport will cost around $101 if you buy it on the day, but the cheapest tickets can be found for only $93.
It's difficult to get from Portsmouth to London Heathrow Airport without transferring at least 2 times.
L79952+
C03060+
C37322 · C3742512:00 PM3h36Portsmouth & Southsea (PMS)3:36 PMHeathrow Terminal 5 (HWV)$931One-way3 transfers
L79952+
C03060+
C36934+
W1067612:00 PM3h31Portsmouth & Southsea (PMS)3:31 PMHeathrow Terminal 5 (HWV)$931One-way4 transfers
L79649+
G15135 · C47892+
C3694512:19 PM3h18Portsmouth & Southsea (PMS)3:37 PMHeathrow Terminals 2 & 3 (HXX)$931One-way4 transfers
L79952+
C03060 · C47889+
C3739812:00 PM3h07Portsmouth & Southsea (PMS)3:07 PMHeathrow Terminals 2 & 3 (HXX)$931One-way4 transfers
L79952+
C03060+
C37425 · C3693412:00 PM3h22Portsmouth & Southsea (PMS)3:22 PMHeathrow Terminals 2 & 3 (HXX)$931One-way3 transfers
L79572+
Tube from London Waterloo to London Paddington+
W106258:21 AM2h49Portsmouth & Southsea (PMS)11:10 AMHeathrow Terminals 2 & 3 (HXX)$1181One-way2 transfers
L79649+
W10673+
Tube from London Waterloo to London Paddington12:19 PM2h51Portsmouth & Southsea (PMS)3:10 PMHeathrow Terminals 2 & 3 (HXX)$1181One-way2 transfers
L79928+
C03041+
C37459 · C369488:00 AM2h52Portsmouth & Southsea (PMS)10:52 AMHeathrow Terminals 2 & 3 (HXX)$941One-way3 transfers
L79572+
Tube from London Waterloo to London Paddington+
W106258:21 AM2h55Portsmouth & Southsea (PMS)11:16 AMHeathrow Terminal 5 (HWV)$1181One-way2 transfers
L79928+
C03041+
C37459 · C369488:00 AM3h01Portsmouth & Southsea (PMS)11:01 AMHeathrow Terminal 5 (HWV)$941One-way4 transfers
Journey information
Overview: Train from Portsmouth to London Heathrow Airport
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 $37 but you can travel from only $19 by bus.
The earliest train runs at 07:03, the last at 18:29. The fastest train covers the 54 miles (87 km) distance in 2h 4m.
Distance 54 miles (87 km) |
Average train duration 2h 36m |
Cheapest ticket price $37 |
Trains per day 10 |
Fastest train 2h 4m |
First train 7:03 AM |
Last train 6:29 PM |
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 |
Live departures
Portsmouth to London Heathrow Airport train times
The table below shows live departures for Portsmouth to London Heathrow Airport trains for tomorrow, Tuesday, October 13. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
L79928+ C03041+ C37459 · C37329 | 8:00 AM Portsmouth & Southsea (PMS) | 3h06 | 11:06 AM Heathrow Terminal 5 (HWV) | 3 transfers | |
L79928+ C03041+ C37459 · C36948 | 8:00 AM Portsmouth & Southsea (PMS) | 3h01 | 11:01 AM Heathrow Terminal 5 (HWV) | 4 transfers | |
L79928+ C03041+ C37459 · C36948 | 8:00 AM Portsmouth & Southsea (PMS) | 2h52 | 10:52 AM Heathrow Terminals 2 & 3 (HXX) | 3 transfers | |
G26167_C82358+ C36971+ W32945 | 8:03 AM Portsmouth & Southsea (PMS) | 3h19 | 11:22 AM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
G26167_C82358+ W10628+ Tube from London Victoria to London Paddington | 8:03 AM Portsmouth & Southsea (PMS) | 3h28 | 11:31 AM Heathrow Terminal 5 (HWV) | 2 transfers | |
L79572+ G15127 · G15464+ C37526 | 8:21 AM Portsmouth & Southsea (PMS) | 3h25 | 11:46 AM Heathrow Terminal 5 (HWV) | 5 transfers | |
L79572+ G15127 · G15464+ C37526 | 8:21 AM Portsmouth & Southsea (PMS) | 3h16 | 11:37 AM Heathrow Terminals 2 & 3 (HXX) | 4 transfers | |
L79572+ G15127+ C37552 · C36991 | 8:21 AM Portsmouth & Southsea (PMS) | 3h31 | 11:52 AM Heathrow Terminals 2 & 3 (HXX) | 3 transfers | |
L79572+ W10625+ Tube from London Waterloo to London Paddington | 8:21 AM Portsmouth & Southsea (PMS) | 2h49 | 11:10 AM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
L79572+ W10625+ Tube from London Waterloo to London Paddington | 8:21 AM Portsmouth & Southsea (PMS) | 2h55 | 11:16 AM Heathrow Terminal 5 (HWV) | 2 transfers | |
L79952+ C03060+ C37425 · C37322 | 12:00 PM Portsmouth & Southsea (PMS) | 3h36 | 3:36 PM Heathrow Terminal 5 (HWV) | 3 transfers | |
L79952+ C03060+ C37425 · C36934 | 12:00 PM Portsmouth & Southsea (PMS) | 3h22 | 3:22 PM Heathrow Terminals 2 & 3 (HXX) | 3 transfers | |
L79952+ C03060 · C47889+ C37398 | 12:00 PM Portsmouth & Southsea (PMS) | 3h07 | 3:07 PM Heathrow Terminals 2 & 3 (HXX) | 4 transfers | |
L79952+ C03060+ C37425 · C36934 | 12:00 PM Portsmouth & Southsea (PMS) | 3h31 | 3:31 PM Heathrow Terminal 5 (HWV) | 4 transfers | |
L79952+ C03060 · C47889+ C37398 | 12:00 PM Portsmouth & Southsea (PMS) | 3h16 | 3:16 PM Heathrow Terminal 5 (HWV) | 5 transfers | |
C82572_C82397+ W10676+ Tube from London Victoria to London Paddington | 12:04 PM Portsmouth Harbour (PMH) | 3h27 | 3:31 PM Heathrow Terminal 5 (HWV) | 2 transfers | |
C82572_C82397+ C38315+ W10676+ W32946 | 12:08 PM Portsmouth & Southsea (PMS) | 3h23 | 3:31 PM Heathrow Terminal 5 (HWV) | 3 transfers | |
C82572_C82397+ C36934+ W45476 | 12:08 PM Portsmouth & Southsea (PMS) | 3h14 | 3:22 PM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
C82572_C82397+ C37322+ Tube from London Victoria to Whitechapel | 12:08 PM Portsmouth & Southsea (PMS) | 3h28 | 3:36 PM Heathrow Terminal 5 (HWV) | 2 transfers | |
L79649+ G15135 · C47892+ C37445 | 12:19 PM Portsmouth & Southsea (PMS) | 3h18 | 3:37 PM Heathrow Terminals 2 & 3 (HXX) | 4 transfers | |
L79649+ W10673+ Tube from London Waterloo to London Paddington | 12:19 PM Portsmouth & Southsea (PMS) | 2h51 | 3:10 PM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
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?
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 $19. 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 to London Heathrow Airport
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.

popular train stations
Popular train stations from Portsmouth to 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.
Getting to Portsmouth & Southsea from Portsmouth city centre
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.
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.
Getting to Fratton from Portsmouth city centre
Fratton is 1 km from Portsmouth city centre. Public transport options include:
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 train connections from Portsmouth
More options for your journey from Portsmouth to London Heathrow Airport
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