Bus from Cosham to Portchester
2 direct routes · 7–21 min · first bus 05:04, last bus 23:43 (weekdays).
Next buses to Portchester as of 10:49
Scheduled times at the boarding stop in Cosham, from the operators' timetables — they update automatically. Open the stop for live tracking.
Direct routes
| Route | Operator | Journey time | Weekday journeys | Days | First | Last | Board at | Get off at | Calls at |
|---|---|---|---|---|---|---|---|---|---|
| 3 | First Portsmouth, Fareham & Gosport | ~21 min | 80 | Sat 71 · Sun 46 | 05:04 | 23:43 | First Avenue (Stand L) | Precinct (NW-bound) | — |
| SD5 | First Portsmouth, Fareham & Gosport | ~7 min | 1 | weekdays only | 16:48 | 16:48 | First Avenue (Stand L) | Precinct (NW-bound) | — |
Times are for the first boarding point in Cosham on each route's weekday timetable — open the route for the full timetable, live map and every stop.
The same number runs elsewhere in the UK — see every 3 bus timetable.
Fares from Cosham to Portchester
- £3.00 adult single on the 3 (First Portsmouth, Fareham & Gosport)
Between the stops in the table above. The operators' own published fares, from the Bus Open Data Service; check with the operator before you travel.
Frequently asked questions
Which bus goes from Cosham to Portchester?
2 routes run directly from Cosham to Portchester: the 3 (First Portsmouth, Fareham & Gosport), the SD5 (First Portsmouth, Fareham & Gosport). The most frequent is the 3, 80 times each weekday — board at First Avenue (Stand L) and get off at Precinct (NW-bound), about 21 minutes.
How long does the bus take from Cosham to Portchester?
Between 7 minutes on the SD5 and 21 on the 3, depending on which route you catch and on traffic.
What time is the first and last bus from Cosham to Portchester?
On weekdays the first direct bus leaves around 05:04 and the last around 23:43. Check the route timetables for weekends.
How much is the bus from Cosham to Portchester?
An adult single from Cosham to Portchester is £3.00 on the 3 (First Portsmouth, Fareham & Gosport), from First Avenue (Stand L) to Precinct (NW-bound). Prices are the operators' own published fares on the Bus Open Data Service — check with the operator before you travel. Most single fares in England are capped at £3 until 31 December 2026, then £2 from 1 January 2027.