H21 Heathrow Airport to Heathrow Airport Terminal 4 via East Bedfont, Feltham
Operated by Diamond Bus South East. First bus 00:09, last bus 23:39. 41 journeys on weekdays. Fares: £1.75 flat — more.
H21 towards Heathrow Airport Terminal 4 — Monday to Friday (41 journeys)
| Stop | 00:10 | 03:01 | 03:25 | 03:55 | 04:25 | 04:55 | 05:25 | 05:55 | 06:25 | 07:00 | 07:34 | 08:10 | 08:48 | 09:25 | 09:55 | 10:25 | 10:55 | 11:25 | 11:55 | 12:25 | 12:55 | 13:25 | 13:55 | 14:25 | 14:55 | 15:25 | 15:58 | 16:33 | 17:08 | 17:43 | 18:18 | 18:53 | 19:25 | 19:55 | 20:25 | 20:55 | 21:25 | 21:55 | 22:40 | 23:10 | 23:40 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Heathrow Terminal 4 (Stop 9) | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| Spinney Drive East Bedfont (Stop BD) | 00:10 | · | 03:25 | 03:55 | 04:25 | 04:55 | 05:25 | 05:55 | 06:25 | 07:00 | 07:34 | 08:10 | 08:48 | 09:25 | 09:55 | 10:25 | 10:55 | 11:25 | 11:55 | 12:25 | 12:55 | 13:25 | 13:55 | 14:25 | 14:55 | 15:25 | 15:58 | 16:33 | 17:08 | 17:43 | 18:18 | 18:53 | 19:25 | 19:55 | 20:25 | 20:55 | 21:25 | 21:55 | 22:40 | 23:10 | 23:40 |
| St Mary's Church (TW14) (Stop T) | 00:12 | · | 03:27 | 03:57 | 04:27 | 04:57 | 05:27 | 05:57 | 06:27 | 07:02 | 07:36 | 08:12 | 08:50 | 09:27 | 09:57 | 10:27 | 10:57 | 11:27 | 11:57 | 12:27 | 12:57 | 13:27 | 13:57 | 14:27 | 14:57 | 15:27 | 16:00 | 16:35 | 17:10 | 17:45 | 18:20 | 18:55 | 19:27 | 19:57 | 20:27 | 20:57 | 21:27 | 21:57 | 22:42 | 23:12 | 23:42 |
| Bedfont Green (Stop C) | 00:12 | · | 03:27 | 03:57 | 04:27 | 04:57 | 05:27 | 05:57 | 06:27 | 07:02 | 07:37 | 08:13 | 08:51 | 09:27 | 09:57 | 10:27 | 10:57 | 11:27 | 11:57 | 12:27 | 12:57 | 13:27 | 13:57 | 14:27 | 14:57 | 15:28 | 16:01 | 16:36 | 17:11 | 17:46 | 18:21 | 18:55 | 19:27 | 19:57 | 20:27 | 20:57 | 21:27 | 21:57 | 22:42 | 23:12 | 23:42 |
| Bedfont Library (Stop D) | 00:13 | · | 03:28 | 03:58 | 04:28 | 04:58 | 05:28 | 05:58 | 06:28 | 07:03 | 07:38 | 08:14 | 08:52 | 09:28 | 09:58 | 10:28 | 10:58 | 11:28 | 11:58 | 12:28 | 12:58 | 13:28 | 13:58 | 14:28 | 14:58 | 15:29 | 16:02 | 16:37 | 17:12 | 17:47 | 18:22 | 18:56 | 19:28 | 19:58 | 20:28 | 20:58 | 21:28 | 21:58 | 22:43 | 23:13 | 23:43 |
| New Road (TW14) (Stop E) | 00:13 | · | 03:28 | 03:58 | 04:28 | 04:58 | 05:28 | 05:58 | 06:28 | 07:04 | 07:39 | 08:15 | 08:53 | 09:29 | 09:59 | 10:29 | 10:59 | 11:29 | 11:59 | 12:29 | 12:59 | 13:29 | 13:59 | 14:29 | 14:59 | 15:30 | 16:03 | 16:38 | 17:13 | 17:48 | 18:23 | 18:57 | 19:29 | 19:59 | 20:28 | 20:58 | 21:28 | 21:58 | 22:43 | 23:13 | 23:43 |
| Bethany Waye (Stop F) | 00:14 | · | 03:29 | 03:59 | 04:29 | 04:59 | 05:29 | 05:59 | 06:29 | 07:05 | 07:40 | 08:16 | 08:54 | 09:30 | 10:00 | 10:30 | 11:00 | 11:30 | 12:00 | 12:30 | 13:00 | 13:30 | 14:00 | 14:30 | 15:00 | 15:31 | 16:04 | 16:39 | 17:14 | 17:49 | 18:24 | 18:58 | 19:30 | 20:00 | 20:29 | 20:59 | 21:29 | 21:59 | 22:44 | 23:14 | 23:44 |
| Colonial Road (Stop BE) | 00:14 | · | 03:29 | 03:59 | 04:29 | 04:59 | 05:29 | 05:59 | 06:29 | 07:05 | 07:40 | 08:16 | 08:54 | 09:30 | 10:00 | 10:30 | 11:00 | 11:30 | 12:00 | 12:30 | 13:00 | 13:30 | 14:00 | 14:30 | 15:00 | 15:31 | 16:04 | 16:39 | 17:14 | 17:49 | 18:24 | 18:58 | 19:30 | 20:00 | 20:29 | 20:59 | 21:29 | 21:59 | 22:44 | 23:14 | 23:44 |
| Letchworth Avenue (southbound) | 00:15 | · | 03:30 | 04:00 | 04:30 | 05:00 | 05:30 | 06:00 | 06:30 | 07:06 | 07:41 | 08:17 | 08:55 | 09:31 | 10:01 | 10:31 | 11:01 | 11:31 | 12:01 | 12:31 | 13:01 | 13:31 | 14:01 | 14:31 | 15:01 | 15:32 | 16:05 | 16:40 | 17:15 | 17:50 | 18:25 | 18:59 | 19:31 | 20:01 | 20:30 | 21:00 | 21:30 | 22:00 | 22:45 | 23:15 | 23:45 |
| Westmacott Drive / Stone Crescent (southbound) | 00:15 | · | 03:30 | 04:00 | 04:30 | 05:00 | 05:30 | 06:00 | 06:31 | 07:07 | 07:42 | 08:18 | 08:56 | 09:31 | 10:01 | 10:31 | 11:01 | 11:31 | 12:01 | 12:31 | 13:01 | 13:31 | 14:01 | 14:31 | 15:01 | 15:33 | 16:06 | 16:41 | 17:16 | 17:51 | 18:26 | 19:00 | 19:31 | 20:01 | 20:31 | 21:01 | 21:30 | 22:00 | 22:45 | 23:15 | 23:45 |
| Westmacott Drive / Allcot Close (southbound) | 00:16 | 03:01 | 03:31 | 04:01 | 04:31 | 05:01 | 05:31 | 06:01 | 06:32 | 07:08 | 07:43 | 08:19 | 08:57 | 09:32 | 10:02 | 10:32 | 11:02 | 11:32 | 12:02 | 12:32 | 13:02 | 13:32 | 14:02 | 14:32 | 15:02 | 15:34 | 16:07 | 16:42 | 17:17 | 17:52 | 18:27 | 19:01 | 19:32 | 20:02 | 20:32 | 21:02 | 21:31 | 22:01 | 22:46 | 23:16 | 23:46 |
| Westmacott Drive / Jubilee Way (southbound) | 00:18 | 03:03 | 03:33 | 04:03 | 04:33 | 05:03 | 05:33 | 06:03 | 06:34 | 07:10 | 07:45 | 08:21 | 08:59 | 09:34 | 10:04 | 10:34 | 11:04 | 11:34 | 12:04 | 12:34 | 13:04 | 13:34 | 14:04 | 14:34 | 15:04 | 15:36 | 16:09 | 16:44 | 17:19 | 17:54 | 18:29 | 19:03 | 19:34 | 20:04 | 20:34 | 21:04 | 21:33 | 22:03 | 22:48 | 23:18 | 23:48 |
| Shore Close (northbound) | 00:20 | 03:05 | 03:35 | 04:05 | 04:35 | 05:05 | 05:35 | 06:05 | 06:36 | 07:12 | 07:48 | 08:24 | 09:02 | 09:36 | 10:06 | 10:36 | 11:06 | 11:36 | 12:06 | 12:36 | 13:06 | 13:36 | 14:06 | 14:36 | 15:06 | 15:39 | 16:12 | 16:47 | 17:22 | 17:57 | 18:31 | 19:05 | 19:36 | 20:06 | 20:36 | 21:06 | 21:35 | 22:05 | 22:50 | 23:20 | 23:50 |
| Tachbrook Road (northbound) | · | 03:06 | 03:36 | 04:06 | 04:36 | 05:06 | 05:36 | 06:06 | 06:37 | 07:13 | 07:49 | 08:25 | 09:03 | 09:37 | 10:07 | 10:37 | 11:07 | 11:37 | 12:07 | 12:37 | 13:07 | 13:37 | 14:07 | 14:37 | 15:07 | 15:40 | 16:13 | 16:48 | 17:23 | 17:58 | 18:32 | 19:06 | 19:37 | 20:07 | 20:37 | 21:07 | 21:36 | 22:06 | 22:51 | 23:21 | 23:51 |
| Colonial Road (Stop BH) | · | 03:07 | 03:37 | 04:07 | 04:37 | 05:07 | 05:37 | 06:07 | 06:38 | 07:15 | 07:51 | 08:27 | 09:05 | 09:38 | 10:08 | 10:38 | 11:08 | 11:38 | 12:08 | 12:38 | 13:08 | 13:38 | 14:08 | 14:38 | 15:08 | 15:41 | 16:14 | 16:49 | 17:24 | 17:59 | 18:33 | 19:07 | 19:38 | 20:08 | 20:38 | 21:08 | 21:37 | 22:07 | 22:52 | 23:22 | 23:52 |
| Bethany Waye (Stop K) | · | 03:08 | 03:38 | 04:08 | 04:38 | 05:08 | 05:38 | 06:08 | 06:40 | 07:17 | 07:53 | 08:29 | 09:07 | 09:40 | 10:10 | 10:40 | 11:10 | 11:40 | 12:10 | 12:40 | 13:10 | 13:40 | 14:10 | 14:40 | 15:10 | 15:43 | 16:16 | 16:51 | 17:26 | 18:01 | 18:35 | 19:09 | 19:40 | 20:10 | 20:40 | 21:10 | 21:39 | 22:09 | 22:54 | 23:23 | 23:53 |
| New Road (TW14) (Stop L) | · | 03:08 | 03:38 | 04:08 | 04:38 | 05:08 | 05:38 | 06:08 | 06:40 | 07:17 | 07:53 | 08:29 | 09:07 | 09:40 | 10:10 | 10:40 | 11:10 | 11:40 | 12:10 | 12:40 | 13:10 | 13:40 | 14:10 | 14:40 | 15:10 | 15:43 | 16:17 | 16:52 | 17:27 | 18:01 | 18:36 | 19:09 | 19:40 | 20:10 | 20:40 | 21:10 | 21:39 | 22:09 | 22:54 | 23:23 | 23:53 |
| Bedfont Library (Stop M) | · | 03:09 | 03:39 | 04:09 | 04:39 | 05:09 | 05:39 | 06:09 | 06:41 | 07:18 | 07:54 | 08:30 | 09:08 | 09:41 | 10:11 | 10:41 | 11:11 | 11:41 | 12:11 | 12:41 | 13:11 | 13:41 | 14:11 | 14:41 | 15:11 | 15:44 | 16:18 | 16:53 | 17:28 | 18:02 | 18:37 | 19:10 | 19:41 | 20:11 | 20:41 | 21:10 | 21:39 | 22:10 | 22:54 | 23:24 | 23:54 |
| Bedfont Green (Stop N) | · | 03:09 | 03:39 | 04:09 | 04:39 | 05:09 | 05:39 | 06:09 | 06:41 | 07:19 | 07:55 | 08:31 | 09:09 | 09:41 | 10:11 | 10:41 | 11:11 | 11:41 | 12:11 | 12:41 | 13:11 | 13:41 | 14:11 | 14:41 | 15:12 | 15:45 | 16:19 | 16:54 | 17:29 | 18:03 | 18:38 | 19:10 | 19:41 | 20:11 | 20:41 | 21:10 | 21:39 | 22:10 | 22:54 | 23:24 | 23:54 |
| St Mary's Church (TW14) (Stop X) | · | 03:10 | 03:40 | 04:10 | 04:40 | 05:10 | 05:40 | 06:10 | 06:42 | 07:20 | 07:56 | 08:32 | 09:10 | 09:42 | 10:12 | 10:42 | 11:12 | 11:42 | 12:12 | 12:42 | 13:12 | 13:42 | 14:12 | 14:42 | 15:13 | 15:46 | 16:20 | 16:55 | 17:30 | 18:04 | 18:39 | 19:11 | 19:42 | 20:12 | 20:42 | 21:11 | 21:40 | 22:11 | 22:55 | 23:25 | 23:55 |
| Spinney Drive East Bedfont (Stop BA) | · | 03:11 | 03:41 | 04:11 | 04:41 | 05:11 | 05:41 | 06:11 | 06:43 | 07:21 | 07:57 | 08:33 | 09:11 | 09:43 | 10:13 | 10:43 | 11:13 | 11:43 | 12:13 | 12:43 | 13:13 | 13:43 | 14:13 | 14:43 | 15:14 | 15:47 | 16:21 | 16:56 | 17:31 | 18:05 | 18:40 | 19:12 | 19:43 | 20:13 | 20:43 | 21:12 | 21:41 | 22:12 | 22:56 | 23:26 | 23:56 |
| Great South West Road East Bedfont (Stop BB) | · | 03:12 | 03:42 | 04:12 | 04:42 | 05:12 | 05:42 | 06:12 | 06:44 | 07:22 | 07:58 | 08:34 | 09:12 | 09:44 | 10:14 | 10:44 | 11:14 | 11:44 | 12:14 | 12:44 | 13:14 | 13:44 | 14:14 | 14:44 | 15:15 | 15:48 | 16:22 | 16:57 | 17:32 | 18:06 | 18:41 | 19:13 | 19:44 | 20:14 | 20:44 | 21:13 | 21:42 | 22:13 | 22:57 | 23:27 | 23:57 |
| Animal Reception Centre (westbound) | · | 03:13 | 03:43 | 04:13 | 04:43 | 05:13 | 05:43 | 06:13 | 06:45 | 07:23 | 07:59 | 08:35 | 09:13 | 09:45 | 10:15 | 10:45 | 11:15 | 11:45 | 12:15 | 12:45 | 13:15 | 13:45 | 14:15 | 14:45 | 15:16 | 15:49 | 16:23 | 16:58 | 17:33 | 18:07 | 18:42 | 19:14 | 19:45 | 20:15 | 20:45 | 21:14 | 21:43 | 22:14 | 22:58 | 23:28 | 23:58 |
| Scylla Road (eastbound) | · | 03:14 | 03:44 | 04:14 | 04:44 | 05:14 | 05:44 | 06:14 | 06:46 | 07:24 | 08:00 | 08:36 | 09:14 | 09:46 | 10:16 | 10:46 | 11:16 | 11:46 | 12:16 | 12:46 | 13:16 | 13:46 | 14:16 | 14:46 | 15:17 | 15:50 | 16:24 | 16:59 | 17:34 | 18:08 | 18:43 | 19:15 | 19:46 | 20:16 | 20:46 | 21:15 | 21:44 | 22:15 | 22:59 | 23:29 | 23:59 |
| Heathrow Terminal 4 (Stop 9) | 00:09 | 03:15 | 03:24 | 03:54 | 04:24 | 04:54 | 05:24 | 05:54 | 06:24 | 06:58 | 07:32 | 08:08 | 08:46 | 09:23 | 09:53 | 10:23 | 10:53 | 11:23 | 11:53 | 12:23 | 12:53 | 13:23 | 13:53 | 14:23 | 14:53 | 15:23 | 15:56 | 16:31 | 17:06 | 17:41 | 18:16 | 18:51 | 19:23 | 19:53 | 20:24 | 20:54 | 21:24 | 21:54 | 22:39 | 23:09 | 23:39 |
Each column is one journey, headed by the time it sets off. A · means that journey does not stop there. Times are shown at the route's main timing stops — buses serve all stops in between. Switch a table to All stops for every stop it calls at, or open a stop's own page for live departures there.
London flat fare: £1.75 with contactless or Oyster — the Hopper fare includes unlimited bus/tram
changes within an hour, with daily caps. Cash isn't accepted on London buses.
Christmas & bank holidays
These dates are not the usual timetable for the day they fall on — they come from the operator’s own published calendar. Everything above is an ordinary week.
- Christmas Eve — Thursday, 24 December 2026 No buses in the timetable the operator has published so far. Festive timetables are often published only a few weeks ahead, so check again nearer the date.
- Christmas Day — Friday, 25 December 2026 No buses in the timetable the operator has published so far. Festive timetables are often published only a few weeks ahead, so check again nearer the date.
- Boxing Day — Saturday, 26 December 2026 No buses in the timetable the operator has published so far. Festive timetables are often published only a few weeks ahead, so check again nearer the date.
- Sunday, 27 December 2026 No buses in the timetable the operator has published so far. Festive timetables are often published only a few weeks ahead, so check again nearer the date.
- Monday, 28 December 2026 No buses in the timetable the operator has published so far. Festive timetables are often published only a few weeks ahead, so check again nearer the date.
- Tuesday, 29 December 2026 No buses in the timetable the operator has published so far. Festive timetables are often published only a few weeks ahead, so check again nearer the date.
- Wednesday, 30 December 2026 No buses in the timetable the operator has published so far. Festive timetables are often published only a few weeks ahead, so check again nearer the date.
- New Year's Eve — Thursday, 31 December 2026 No buses in the timetable the operator has published so far. Festive timetables are often published only a few weeks ahead, so check again nearer the date.
- New Year's Day — Friday, 1 January 2027 No buses in the timetable the operator has published so far. Festive timetables are often published only a few weeks ahead, so check again nearer the date.
- Saturday, 2 January 2027 No buses in the timetable the operator has published so far. Festive timetables are often published only a few weeks ahead, so check again nearer the date.
Route map
All stops on route H21
H21 towards Heathrow Airport Terminal 4
All 25 stops
- Heathrow Terminal 4 (Stop 9) Heathrow Airport Terminal 4
- Spinney Drive East Bedfont (Stop BD) East Bedfont
- St Mary's Church (TW14) (Stop T) East Bedfont
- Bedfont Green (Stop C) East Bedfont
- Bedfont Library (Stop D) East Bedfont
- New Road (TW14) (Stop E) East Bedfont
- Bethany Waye (Stop F) East Bedfont
- Colonial Road (Stop BE) East Bedfont
- Letchworth Avenue (southbound) East Bedfont
- Westmacott Drive / Stone Crescent (southbound) Feltham
- Westmacott Drive / Allcot Close (southbound) Feltham
- Westmacott Drive / Jubilee Way (southbound) Feltham
- Shore Close (northbound) Feltham
- Tachbrook Road (northbound) East Bedfont
- Colonial Road (Stop BH) East Bedfont
- Bethany Waye (Stop K) East Bedfont
- New Road (TW14) (Stop L) East Bedfont
- Bedfont Library (Stop M) East Bedfont
- Bedfont Green (Stop N) East Bedfont
- St Mary's Church (TW14) (Stop X) East Bedfont
- Spinney Drive East Bedfont (Stop BA) East Bedfont
- Great South West Road East Bedfont (Stop BB) East Bedfont
- Animal Reception Centre (westbound) East Bedfont
- Scylla Road (eastbound) Heathrow Airport
- Heathrow Terminal 4 (Stop 9) Heathrow Airport Terminal 4
Towns & areas on this route
Frequently asked questions
What time is the first H21 bus?
The first H21 departure on weekdays leaves at 00:09 (check the full timetable below for your stop, as times vary along the route — weekend times can differ).
What time is the last H21 bus?
The last H21 on weekdays leaves its first stop at 23:39. Always check the timetable for your specific stop — later stops are reached after this time.
How much does the H21 bus cost?
London buses use TfL's flat fare: £1.75 per journey with contactless or Oyster, and the Hopper fare gives you unlimited bus and tram changes within one hour. Daily and weekly caps limit what you can spend. Cash is not accepted.
Who runs the H21 bus?
The H21 is operated by Diamond Bus South East.
Timetable data from Diamond Bus South East via the Traveline National Dataset. Route names, stop sequences and map geometry come from TfL Open Data. Check before you travel — services can change at short notice.