The cheapest and fastest busesfrom Portsmouth to London Heathrow AirportShowing times and prices for Jul 14
Cheapest price
$28
Average price
$29
Fastest journey
1h 25m
Average duration
2h 23m
Buses per day
6
Distance
87 km
Portsmouth to London Heathrow Airport train with South Western Railway
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 prices starting from $26. 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 $26, and a train costs an average of $31.
Distance: 54 miles (87 km)
Compare train with
| Train | Most popular Bus | Ferry | Driving |
|---|---|---|---|
$77 Average price | $30 Average price | $26 Average price Cheapest | $42 Average price (fuel + tolls) |
2h 55m Average total duration 2h 25m Onboard + 30m Additional time* | 5h 19m Average total duration 4h 49m Onboard + 30m Additional time* | 1h 45m Average total duration Fastest 45m Onboard + 1h 0m Additional time* | 1h 19m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Portsmouth to London Heathrow Airport:
A ferry is $4 (€4) less than a bus for this route with tickets for a bus from Portsmouth to London Heathrow Airport costing on average $30 (€25).
A ferry is $52 (€43) less than a train for this route with tickets for a train from Portsmouth to London Heathrow Airport costing on average $77 (€64).
Other travel options to London Heathrow Airport take longer:
Train takes on average 2h 25m.
Bus takes on average 4h 49m.
Tickets start at around $77 (€64) compared to roughly $42 (€34) in fuel and tolls — a saving of about $-35.68 (€-29.41). The journey takes 2h 25m 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, Wednesday, July 15. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
 | 7:27 AM Portsmouth | 2h54 | 10:21 AM London Heathrow Airport | 0 transfersDirect | |
 | 7:33 AM Portsmouth | 3h18 | 10:51 AM London Heathrow Airport | 0 transfersDirect | |
| 8:03 AM Portsmouth | 3h18 | 11:21 AM London Heathrow Airport | 0 transfersDirect | |
| 8:27 AM Portsmouth | 2h54 | 11:21 AM London Heathrow Airport | 0 transfersDirect | |
| 8:33 AM Portsmouth | 3h18 | 11:51 AM London Heathrow Airport | 0 transfersDirect |
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.
Jul 15
Jul 16
Jul 17
Jul 18
Jul 19
Jul 20
Jul 21
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
United KingdomUnited Kingdom
Trains from Portsmouth to London Heathrow Airport run on average 13 times per day, taking around 2h 25m. Cheap train tickets for this journey start at $31 (€26) but you can travel from only $19 (€16) by bus.
The earliest train runs at 06:08, the last at 18:38. The fastest train covers the 54 miles (87 km) distance in 2h 45m.
Distance 54 miles (87 km) |
Average train duration 2h 25m |
Cheapest ticket price $31 (€26) |
Trains per day 13 |
Fastest train 2h 45m |
First train 6:08 AM |
Last train 6:38 PM |
Cheapest Month Jan |
Cheapest Day Tue |
High Season Jul - Sep |
Low Season Jan - Mar |
Busiest Day Fri |
Least Busy Day Sun |
Train companies: South Western Railway, Southern, CrossCountry, Elizabeth line from Portsmouth to London Heathrow Airport trainsSouth Western Railway, Southern, CrossCountry, Elizabeth line trains will get you between Portsmouth and London Heathrow Airport from $19 (€16). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
South Western Railway
Southern
CrossCountry
Elizabeth line
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
Here are some other resources that might have the information you need
Most popular trains to and from London Heathrow Airport and Portsmouth
Most popular train connections to London Heathrow Airport
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