X4
X4 Bus Times – Southampton City Centre ↔ Portsmouth
15:33
47 minThe Hard Interchange 17:1516:28
102 minThe Hard Interchange 18:09MON-FRI · 30 services06:10 — 19:20
The X4 bus runs between Southampton City Centre and Portsmouth, operated by First Bus. This route has 85 stops.
Customer ServiceMonday to Friday 9am to 5pm
Accessibility: Buses have low-floor access and designated wheelchair spaces where wheelchair users have priority. Recognised assistance animals travel free, buggies and pushchairs go in designated zones, and folding bicycles are allowed.
Fares & Tickets
ContactlessApple PayGoogle PayCashTap On Tap Off
No more than 3 on most routes across England from 1 January 2025
Passes through:
Southampton City CentreSt MarysChapelWoolstonSholingOld NetleyLowfordBursledonLower SwanwickSarisburyPark GateLocks HeathTitchfield CommonTitchfieldCatisfieldHeathfieldFarehamWallingtonPortchesterPaulsgroveContinental PortMile EndLandportCity CentrePortseaPortsmouth
Where does the X4 bus stop?
The X4 serves 85 stops passing through Southampton City Centre, St Marys, Chapel, Woolston, Sholing, Old Netley, Lowford, Bursledon, Lower Swanwick, Sarisbury, Park Gate, Locks Heath, Titchfield Common, Titchfield, Catisfield, Heathfield, Fareham, Wallington, Portchester, Paulsgrove, Continental Port, Mile End, Landport, City Centre, Portsea and Portsmouth. You can find the full list of stops with a route map further up this page.
Does the X4 run on weekends?
Yes, the X4 runs on Saturdays and Sundays. The weekend timetable may have fewer departures than weekdays - use the day tabs above to compare.
Can I use a bus pass on the X4?
Most First Bus services accept concessionary bus passes (including the English National Concessionary Travel Scheme for eligible passengers). Contactless payment is widely accepted. Check with First Bus for specific ticket options on this route.
Does the X4 run on bank holidays?
There is no specific bank holiday timetable listed for the X4. On bank holidays, most operators run a Sunday or reduced service. Contact First Bus to confirm bank holiday arrangements.
Sources:
Bus Open Data Service (BODS) for timetable and route data · www.firstbus.co.uk for operator information · BODS Fares API for fare data
NOC: FABD, FYOR, FWYO, FBRA, FLDS, FHUD, FHAL, FSYO, FMAN, FLEI, FSMR, FECS, FESX, FDOR, RRAR, FTVA, FHAM, FBRI, FCWL, FBOS, FPOT, FCYM, FGLA
Valid from 02 Aug 2026 to 29 Aug 2026
Source: Bus Open Data Service
· Last updated: Today
This route serves 85 bus stops across 26 areas.