The cheapest and fastest trains from Portsmouth to London Heathrow Airport
Cheapest price on Aug 29
zł355
Average ticket price on Aug 29
zł393
Fastest journey on Aug 29
2 h 49 m
Average journey duration on Aug 29
2 h 55 m
Trains on Aug 29
11
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 zł393 if you buy it on the day, but the cheapest tickets can be found for only zł355.
It's difficult to get from Portsmouth to London Heathrow Airport without transferring at least 2 times.
L79929+
C03040+
C37397 · C368758:00 AM2h52Portsmouth & Southsea (PMS)10:52 AMHeathrow Terminals 2 & 3 (HXX)zł3551One-way3 transfers
G00859+
C37444+
C42257+
C368978:23 AM2h59Portsmouth Harbour (PMH)11:22 AMHeathrow Terminals 2 & 3 (HXX)zł3551One-way3 transfers
L79929+
C03040+
C37287 · C373978:00 AM3h06Portsmouth & Southsea (PMS)11:06 AMHeathrow Terminal 5 (HWV)zł3551One-way3 transfers
L79929+
C03040+
C37397 · C368758:00 AM3h01Portsmouth & Southsea (PMS)11:01 AMHeathrow Terminal 5 (HWV)zł3551One-way4 transfers
L79574+
C42378 · C47870+
C369118:21 AM3h16Portsmouth & Southsea (PMS)11:37 AMHeathrow Terminals 2 & 3 (HXX)zł3551One-way4 transfers
L79574+
Tube from London Waterloo to London Paddington+
W106268:21 AM2h49Portsmouth & Southsea (PMS)11:10 AMHeathrow Terminals 2 & 3 (HXX)zł4521One-way2 transfers
L79929+
C03040+
C37397 · C368758:00 AM2h52Portsmouth & Southsea (PMS)10:52 AMHeathrow Terminals 2 & 3 (HXX)zł3551One-way3 transfers
L79574+
Tube from London Waterloo to London Paddington+
W106268:21 AM2h55Portsmouth & Southsea (PMS)11:16 AMHeathrow Terminal 5 (HWV)zł4521One-way2 transfers
G00859+
C37444+
C42257+
C368978:23 AM2h59Portsmouth Harbour (PMH)11:22 AMHeathrow Terminals 2 & 3 (HXX)zł3551One-way3 transfers
L79929+
C03040+
C37397 · C368758:00 AM3h01Portsmouth & Southsea (PMS)11:01 AMHeathrow Terminal 5 (HWV)zł3551One-way4 transfers
Travel Information
Compare bus, train, and ferry for Portsmouth to London Heathrow Airport
Omio recommends booking the bus as it is the most popular option from Portsmouth to London Heathrow Airport among Omio's users. If you are prioritising price, take the ferry, with an average ticket price of zł108 For those with little time, consider booking a ferry, which has an average total journey time of 1h 34m. Average ticket prices depend on the travel mode: a ferry costs an average of zł108, while a train costs an average of zł352.
Distance: 54 miles (87 km)
Compare train with
| Train | Most popular Bus | Ferry | Driving |
|---|---|---|---|
zł352 Average price | zł128 Average price | zł108 Average price Cheapest | zł160 Average price (fuel + tolls) |
3h 6m Average total duration 2h 36m Onboard + 30m Additional time* | 2h 17m Average total duration 1h 47m Onboard + 30m Additional time* | 1h 34m Average total duration Fastest 34m Onboard + 1h 0m Additional time* | 1h 19m Average total duration (door-to-door) |
![]() Most popular train company | ![]() Most popular bus company | ![]() Most popular ferry company | Your own car or car rental |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Portsmouth to London Heathrow Airport:
A ferry is zł20 less than a bus for this route with tickets for a bus from Portsmouth to London Heathrow Airport costing on average zł128.
A ferry is zł244 less than a train for this route with tickets for a train from Portsmouth to London Heathrow Airport costing on average zł352.
Other travel options to London Heathrow Airport take longer:
Bus takes on average 1h 47m.
Train takes on average 2h 36m.
Tickets start at around zł352 compared to roughly zł160 in fuel and tolls — a saving of about zł-192.41. The journey takes 2h 36m versus 1h 19m by car, so you'll arrive a bit later, but you can work, read, or sleep along the way rather than spending the time behind the wheel. You'll also save the hassle of parking at the other end.
Driving is worth it if you're on a tight schedule, travelling as a group, or want to stop somewhere en route.
Live departures
Portsmouth to London Heathrow Airport train times
The table below shows live departures for Portsmouth to London Heathrow Airport trains for tomorrow, Saturday, August 29. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
L79929+ C37287 · C37397+ C03040 | 8:00 AM Portsmouth & Southsea (PMS) | 3h06 | 11:06 AM Heathrow Terminal 5 (HWV) | 3 transfers | |
L79929+ C36875 · C37397+ C03040 | 8:00 AM Portsmouth & Southsea (PMS) | 2h52 | 10:52 AM Heathrow Terminals 2 & 3 (HXX) | 3 transfers | |
L79929+ C03040+ C37397 · C36875 | 8:00 AM Portsmouth & Southsea (PMS) | 3h01 | 11:01 AM Heathrow Terminal 5 (HWV) | 4 transfers | |
C82533_C82359+ W10629+ Tube from London Victoria to London Paddington | 8:04 AM Portsmouth Harbour (PMH) | 3h27 | 11:31 AM Heathrow Terminal 5 (HWV) | 2 transfers | |
C82533_C82359+ Tube from London Victoria to Whitechapel+ C37301 | 8:08 AM Portsmouth & Southsea (PMS) | 3h28 | 11:36 AM Heathrow Terminal 5 (HWV) | 2 transfers | |
C82533_C82359+ C02602+ C38251+ W10629 | 8:08 AM Portsmouth & Southsea (PMS) | 3h23 | 11:31 AM Heathrow Terminal 5 (HWV) | 3 transfers | |
C82533_C82359+ C36897+ C02740 | 8:08 AM Portsmouth & Southsea (PMS) | 3h14 | 11:22 AM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
L79574+ Tube from London Waterloo to London Paddington+ W10626 | 8:21 AM Portsmouth & Southsea (PMS) | 2h55 | 11:16 AM Heathrow Terminal 5 (HWV) | 2 transfers | |
L79574+ C42378 · C47870+ C37460 | 8:21 AM Portsmouth & Southsea (PMS) | 3h16 | 11:37 AM Heathrow Terminals 2 & 3 (HXX) | 4 transfers | |
L79574+ Tube from London Waterloo to London Paddington+ W10626 | 8:21 AM Portsmouth & Southsea (PMS) | 2h49 | 11:10 AM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
G00859+ C42257+ C37444 · C36897 | 8:23 AM Portsmouth Harbour (PMH) | 2h59 | 11:22 AM Heathrow Terminals 2 & 3 (HXX) | 3 transfers | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Portsmouth to London Heathrow Airport by bus, train, or ferry
Compare bus, train, and ferry 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.
Aug 29
Aug 30
Aug 31
Sep 01
Sep 02
Sep 03
Sep 04
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, CrossCountry or Elizabeth line 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, CrossCountry or Elizabeth line 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.
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 zł144 but you can travel from only zł75 by bus.
The earliest train runs at 04:17, 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 zł144 |
Trains per day 10 |
Fastest train 2h 4m |
First train 4:17 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 |
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 zł75. 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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