21 Portsmouth The Hard Interchange ↔ Airport Service Road
Operated by Stagecoach South. First bus 04:28, last bus 01:30. 208 journeys on weekdays.
✅ The 21 is confirmed in the national fare cap — single fares cost at most £3
until 31 Dec 2026, then £2 from 1 January 2027. Source: GOV.UK.
Details →
Timetable
Times are shown at the route's main timing stops — buses serve all stops in between. For times at your exact stop, open the stop's own page.
towards Airport Service Road · Monday to Friday towards Airport Service Road · Saturday towards Airport Service Road · Sunday towards Portsmouth The Hard Interchange · Monday to Friday towards Portsmouth The Hard Interchange · Saturday towards Portsmouth The Hard Interchange · Sunday
| The Hard Interchange (Stand K) | 05:00 | 05:30 | 06:00 | 06:30 | 06:50 | 07:10 | 07:22 | 07:34 | 07:46 | 07:50 | 07:58 | 08:10 | 08:20 | 08:22 | 08:34 | 08:46 | 08:50 | 09:00 | 09:15 | 09:20 | 09:30 | 09:40 | 09:45 | 10:00 | 10:00 | 10:15 | 10:20 | 10:30 | 10:40 | 10:45 | 11:00 | 11:00 | 11:15 | 11:20 | 11:30 | 11:40 | 11:45 | 12:00 | 12:00 | 12:15 | 12:20 | 12:30 | 12:40 | 12:45 | 13:00 | 13:00 | 13:15 | 13:20 | 13:30 | 13:40 | 13:45 | 14:00 | 14:00 | 14:15 | 14:20 | 14:30 | 14:40 | 14:45 | 15:00 | 15:00 | 15:15 | 15:20 | 15:30 | 15:40 | 15:45 | 16:00 | 16:00 | 16:15 | 16:20 | 16:35 | 16:40 | 16:50 | 17:00 | 17:05 | 17:20 | 17:20 | 17:35 | 17:40 | 17:50 | 18:00 | 18:05 | 18:20 | 18:30 | 18:40 | 19:00 | 19:00 | 19:30 | 19:30 | 20:00 | 20:00 | 20:30 | 21:00 | 21:00 | 21:30 | 22:00 | 22:00 | 22:30 | 23:00 | 23:00 | 23:00 | 23:30 | 00:00 | 00:30 | 01:00 | 01:30 |
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| City Shops South (Stop A) | 05:05 | 05:35 | 06:05 | 06:35 | 06:55 | 07:15 | 07:27 | 07:41 | 07:53 | 07:55 | 08:05 | 08:17 | 08:25 | 08:29 | 08:41 | 08:53 | 08:55 | 09:07 | 09:22 | 09:25 | 09:37 | 09:45 | 09:52 | 10:07 | 10:07 | 10:22 | 10:27 | 10:37 | 10:47 | 10:52 | 11:07 | 11:07 | 11:22 | 11:27 | 11:37 | 11:47 | 11:52 | 12:07 | 12:07 | 12:22 | 12:27 | 12:37 | 12:47 | 12:52 | 13:07 | 13:07 | 13:22 | 13:27 | 13:37 | 13:47 | 13:52 | 14:07 | 14:07 | 14:22 | 14:27 | 14:37 | 14:47 | 14:52 | 15:07 | 15:07 | 15:22 | 15:27 | 15:37 | 15:47 | 15:52 | 16:07 | 16:07 | 16:22 | 16:25 | 16:42 | 16:45 | 16:57 | 17:05 | 17:12 | 17:25 | 17:27 | 17:42 | 17:45 | 17:55 | 18:05 | 18:10 | 18:25 | 18:35 | 18:45 | 19:05 | 19:05 | 19:35 | 19:35 | 20:05 | 20:05 | 20:35 | 21:05 | 21:05 | 21:35 | 22:05 | 22:05 | 22:35 | 23:05 | 23:05 | 23:05 | 23:35 | 00:05 | 00:35 | 01:05 | 01:35 |
| Langstone Road (N-bound) | 05:14 | 05:44 | 06:14 | 06:44 | 07:04 | 07:24 | 07:37 | 07:53 | 08:05 | 08:04 | 08:17 | 08:29 | 08:34 | 08:41 | 08:52 | 09:04 | 09:04 | 09:18 | 09:33 | 09:34 | 09:48 | 09:54 | 10:03 | 10:18 | 10:18 | 10:33 | 10:38 | 10:48 | 10:58 | 11:03 | 11:18 | 11:18 | 11:33 | 11:38 | 11:48 | 11:58 | 12:03 | 12:18 | 12:18 | 12:33 | 12:38 | 12:48 | 12:58 | 13:03 | 13:18 | 13:18 | 13:33 | 13:38 | 13:48 | 13:58 | 14:03 | 14:18 | 14:18 | 14:33 | 14:38 | 14:48 | 14:58 | 15:05 | 15:20 | 15:18 | 15:35 | 15:38 | 15:50 | 15:58 | 16:05 | 16:20 | 16:18 | 16:35 | 16:34 | 16:55 | 16:54 | 17:10 | 17:14 | 17:25 | 17:34 | 17:40 | 17:55 | 17:54 | 18:04 | 18:14 | 18:19 | 18:34 | 18:44 | 18:54 | 19:14 | 19:14 | 19:44 | 19:44 | 20:14 | 20:14 | 20:44 | 21:14 | 21:14 | 21:44 | 22:14 | 22:14 | 22:44 | 23:14 | 23:14 | 23:14 | 23:44 | 00:14 | 00:44 | 01:14 | 01:44 |
| Green Lane (N-bound) | 05:20 | 05:50 | 06:20 | 06:52 | 07:12 | 07:32 | 07:46 | 08:04 | 08:16 | 08:10 | 08:28 | 08:40 | 08:40 | 08:52 | 09:01 | 09:13 | 09:10 | 09:27 | 09:42 | 09:40 | 09:57 | 10:00 | 10:12 | 10:27 | 10:27 | 10:42 | 10:47 | 10:57 | 11:07 | 11:12 | 11:27 | 11:27 | 11:42 | 11:47 | 11:57 | 12:07 | 12:12 | 12:27 | 12:27 | 12:42 | 12:47 | 12:57 | 13:07 | 13:12 | 13:27 | 13:27 | 13:42 | 13:47 | 13:57 | 14:07 | 14:12 | 14:27 | 14:27 | 14:42 | 14:47 | 14:57 | 15:07 | 15:16 | 15:31 | 15:27 | 15:46 | 15:47 | 16:01 | 16:07 | 16:16 | 16:31 | 16:27 | 16:46 | 16:42 | 17:06 | 17:02 | 17:21 | 17:20 | 17:36 | 17:40 | 17:48 | 18:03 | 18:00 | 18:12 | 18:20 | 18:27 | 18:42 | 18:50 | 19:00 | 19:20 | 19:20 | 19:50 | 19:50 | 20:20 | 20:20 | 20:50 | 21:20 | 21:20 | 21:50 | 22:20 | 22:20 | 22:50 | 23:20 | 23:20 | 23:20 | 23:50 | 00:20 | 00:50 | 01:20 | 01:50 |
| Airport Service Road (SE-bound) | 05:26 | 05:56 | 06:26 | 06:59 | 07:19 | 07:39 | 07:54 | 08:12 | 08:24 | 08:16 | 08:36 | 08:48 | 08:46 | 09:00 | 09:09 | 09:21 | 09:16 | 09:35 | 09:50 | 09:46 | 10:05 | 10:06 | 10:20 | 10:35 | 10:35 | 10:50 | 10:55 | 11:05 | 11:15 | 11:20 | 11:35 | 11:35 | 11:50 | 11:55 | 12:05 | 12:15 | 12:20 | 12:35 | 12:35 | 12:50 | 12:55 | 13:05 | 13:15 | 13:20 | 13:35 | 13:35 | 13:50 | 13:55 | 14:05 | 14:15 | 14:20 | 14:35 | 14:35 | 14:50 | 14:55 | 15:05 | 15:15 | 15:25 | 15:40 | 15:35 | 15:55 | 15:55 | 16:10 | 16:15 | 16:25 | 16:40 | 16:35 | 16:55 | 16:49 | 17:15 | 17:09 | 17:30 | 17:26 | 17:45 | 17:46 | 17:55 | 18:10 | 18:06 | 18:19 | 18:26 | 18:34 | 18:49 | 18:56 | 19:06 | 19:26 | 19:26 | 19:56 | 19:56 | 20:26 | 20:26 | 20:56 | 21:26 | 21:26 | 21:56 | 22:26 | 22:26 | 22:56 | 23:26 | 23:26 | 23:26 | 23:56 | 00:26 | 00:56 | 01:26 | 01:56 |
| Corby Crescent (opp) | · | · | 06:30 | · | 07:23 | · | 07:58 | · | · | · | · | · | · | 09:04 | 09:13 | · | · | · | · | 09:50 | · | 10:10 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | 16:53 | · | 17:13 | 17:34 | · | 17:49 | 17:50 | · | 18:14 | 18:10 | · | · | · | · | · | 19:10 | · | · | · | · | · | · | · | · | · | · | · | · | · | 23:29 | · | 23:29 | · | · | · | 01:29 | 01:59 |
Route map
All stops on route 21
21 towards Airport Service Road
- The Hard Interchange (Stand K) Portsmouth
- Curzon Howe Road (E-bound) Portsea
- HMS Nelson (E-bound) Portsea
- City Shops South (Stop A) City Centre
- Station Street (Stand H) City Centre
- Canberra House (E-bound) Fratton
- Clifton Street (E-bound) Fratton
- Carnegie Library (N-bound) Fratton
- Shearer Road (E-bound) Fratton
- Kingston Cemetery (E-bound) Fratton
- Langstone Road (N-bound) Baffins
- Hayling Avenue (N-bound) Baffins
- Copnor Bridge (N-bound) Copnor
- Chichester Road (N-bound) Copnor
- Copythorn Road (N-bound) Copnor
- College Park (N-bound) Hilsea
- Green Lane (N-bound) Hilsea
- Hilsea Park (N-bound) Hilsea
- Amberley Road (N-bound) Hilsea
- Copnor Road (E-bound) Hilsea
- Norway Road (SE-bound) Hilsea
- Airport Service Road (SE-bound) Anchorage Park
- Keel Close (N-bound) Anchorage Park
- Morrisons (opp) Anchorage Park
- Corby Crescent (opp) Anchorage Park
21 towards Portsmouth The Hard Interchange
- Airport Service Road (SE-bound) Anchorage Park
- Morrisons (opp) Anchorage Park
- Keel Close (N-bound) Anchorage Park
- Corby Crescent (opp) Anchorage Park
- Williams Road (NW-bound) Anchorage Park
- Norway Road (NW-bound) Hilsea
- Green Farm Gardens (SW-bound) Hilsea
- Hilsea Park (S-bound) Hilsea
- Amberley Road (S-bound) Hilsea
- Green Lane (S-bound) Hilsea
- College Park (S-bound) Hilsea
- Copythorn Road (S-bound) Copnor
- Chichester Road (S-bound) Copnor
- Copnor Bridge (SW-bound) Copnor
- Hayling Avenue (adj) Baffins
- Milton Road (adj) Baffins
- Adames Road (W-bound) Fratton
- St Marys Church (SW-bound) Fratton
- Clifton Street (W-bound) Fratton
- Canberra House (W-bound) Fratton
- Station Street (Stand J) City Centre
- City Shops South (Stop G) City Centre
- HMS Nelson (W-bound) Portsea
- Curzon Howe Road (W-bound) Portsea
- The Hard Interchange (Stand K) Portsmouth
Service history & registered changes
- 🆕 Registered effective 30 Aug 2026 Operating between Portsmouth, The Hard and Anchorage Park given service number 21 effective from 30 August 2026. To amend Timetable.
- ✏️ Changed effective 30 Aug 2026 Barnstaple → Appledore or Westward Ho!
- 🆕 Registered effective 2 Aug 2026 Operating between Portsmouth, The Hard and Anchorage Park given service number 21 effective from 02 August 2026. To amend Timetable.
- 🆕 Registered effective 5 Apr 2026 Operating between Barnstaple and Appledore or Westward Ho! given service number 21 / 21A / 921 / 815 / 821 effective from 05 April 2026. To amend Timetable.
From official Traffic Commissioner registrations. All service changes →
Towns & areas on this route
Frequently asked questions
What time is the first 21 bus?
The first 21 departure on weekdays leaves at 04:28 (check the full timetable below for your stop, as times vary along the route — weekend times can differ).
What time is the last 21 bus?
The last 21 on weekdays leaves its first stop at 01:30. Always check the timetable for your specific stop — later stops are reached after this time.
How much does the 21 bus cost?
The 21 is confirmed by GOV.UK as part of the national fare cap, so a single costs at most £3 until 31 December 2026, then £2 from 1 January 2027. Stagecoach South day and weekly tickets can work out cheaper if you travel more than twice a day.
Who runs the 21 bus?
The 21 is operated by Stagecoach South.
Timetable data from the operator via the DfT Bus Open Data Service. Check before you travel — services can change at short notice.