423 bus: Heathrow Airport Terminal 5 – Hounslow
London United bus 423 runs between Hounslow and Heathrow Airport Terminal 5 via Hounslow West, Hatton Cross, Harlington and Sipson. Runs every day. On Tuesday 3 November the first bus from Hounslow leaves at 00:10 and the last at 23:40, about every 20 minutes during the day.
Operated by London United. Timetable for Tuesday, 3 November 2026. Plan a journey · Print this timetable
Questions
- When is the first and last 423 bus from Hounslow to Heathrow Airport Terminal 5?
- On Tuesday 3 November the first bus leaves Hounslow at 00:10 and the last at 23:40, 58 journeys in all.
- When is the first and last 423 bus from Heathrow Airport Terminal 5 to Hounslow?
- On Tuesday 3 November the first bus leaves Heathrow Airport Terminal 5 at 00:20 and the last at 23:50, 57 journeys in all.
- Does the 423 bus run on Sundays?
- Yes. Runs every day.
- How often does the 423 bus run?
- On Tuesday 3 November it runs about every 20 minutes during the day (09:00 to 15:00), 58 journeys from Hounslow.
- Where does the 423 bus stop?
- Main stops from Hounslow to Heathrow Airport Terminal 5: School Road (TW3) (Hounslow), The Bell (Hounslow), Barrack Road (Hounslow West), Beavers Community School (Hounslow West), Lichfield Road (TW4) (Hounslow West), Hatton Cross Station (Hatton Cross), Harlington Corner (Harlington), Sipson Road (Sipson), Pinglestone Close (Harmondsworth), Heathrow Terminal 5 (Heathrow Airport Terminal 5). The full list is in the timetable below.
- Who runs the 423 bus?
- London United.
Hounslow to Heathrow Airport Terminal 5
| Stop | Journey 1 | Journey 2 | Journey 3 | Journey 4 | Journey 5 | Journey 6 | Journey 7 | Journey 8 | Journey 9 | Journey 10 | Journey 11 | Journey 12 | Journey 13 | Journey 14 | Journey 15 | Journey 16 | Journey 17 | Journey 18 | Journey 19 | Journey 20 | Journey 21 | Journey 22 | Journey 23 | Journey 24 | Journey 25 | Journey 26 | Journey 27 | Journey 28 | Journey 29 | Journey 30 | Journey 31 | Journey 32 | Journey 33 | Journey 34 | Journey 35 | Journey 36 | Journey 37 | Journey 38 | Journey 39 | Journey 40 | Journey 41 | Journey 42 | Journey 43 | Journey 44 | Journey 45 | Journey 46 | Journey 47 | Journey 48 | Journey 49 | Journey 50 | Journey 51 | Journey 52 | Journey 53 | Journey 54 | Journey 55 | Journey 56 | Journey 57 | Journey 58 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| School Road (TW3), Hounslow | 00:10 | 03:20 | 03:50 | 04:20 | 04:50 | 05:10 | 05:30 | 05:50 | 06:10 | 06:30 | 06:50 | 07:10 | 07:30 | 07:50 | 08:10 | 08:30 | 08:50 | 09:10 | 09:30 | 09:50 | 10:10 | 10:30 | 10:50 | 11:10 | 11:30 | 11:50 | 12:10 | 12:30 | 12:50 | 13:10 | 13:30 | 13:50 | 14:10 | 14:30 | 14:50 | 15:10 | 15:30 | 15:50 | 16:10 | 16:30 | 16:50 | 17:10 | 17:30 | 17:50 | 18:10 | 18:30 | 18:50 | 19:10 | 19:30 | 19:50 | 20:10 | 20:40 | 21:10 | 21:40 | 22:10 | 22:40 | 23:10 | 23:40 |
| The Bell, Hounslow | 00:15 | 03:25 | 03:55 | 04:25 | 04:55 | 05:15 | 05:35 | 05:55 | 06:15 | 06:37 | 06:57 | 07:17 | 07:37 | 07:57 | 08:17 | 08:37 | 08:57 | 09:17 | 09:37 | 09:57 | 10:17 | 10:37 | 10:57 | 11:17 | 11:37 | 11:57 | 12:17 | 12:37 | 12:57 | 13:17 | 13:37 | 13:57 | 14:17 | 14:37 | 14:57 | 15:17 | 15:37 | 15:57 | 16:17 | 16:37 | 16:57 | 17:17 | 17:37 | 17:57 | 18:17 | 18:37 | 18:57 | 19:17 | 19:37 | 19:57 | 20:17 | 20:47 | 21:16 | 21:46 | 22:16 | 22:45 | 23:15 | 23:45 |
| Barrack Road, Hounslow West | 00:19 | 03:30 | 04:00 | 04:30 | 05:00 | 05:20 | 05:40 | 06:00 | 06:21 | 06:43 | 07:03 | 07:23 | 07:43 | 08:03 | 08:23 | 08:43 | 09:03 | 09:23 | 09:43 | 10:03 | 10:23 | 10:43 | 11:03 | 11:23 | 11:43 | 12:03 | 12:23 | 12:43 | 13:03 | 13:23 | 13:43 | 14:03 | 14:23 | 14:43 | 15:03 | 15:23 | 15:43 | 16:03 | 16:23 | 16:43 | 17:03 | 17:23 | 17:43 | 18:03 | 18:23 | 18:43 | 19:03 | 19:23 | 19:43 | 20:02 | 20:22 | 20:52 | 21:20 | 21:49 | 22:19 | 22:49 | 23:19 | 23:49 |
| Beavers Community School, Hounslow West | 00:22 | 03:34 | 04:04 | 04:34 | 05:04 | 05:24 | 05:44 | 06:05 | 06:27 | 06:49 | 07:09 | 07:29 | 07:49 | 08:09 | 08:29 | 08:49 | 09:09 | 09:29 | 09:49 | 10:09 | 10:29 | 10:49 | 11:09 | 11:29 | 11:49 | 12:09 | 12:29 | 12:49 | 13:09 | 13:29 | 13:49 | 14:09 | 14:29 | 14:49 | 15:09 | 15:29 | 15:49 | 16:09 | 16:29 | 16:49 | 17:09 | 17:29 | 17:49 | 18:09 | 18:29 | 18:49 | 19:09 | 19:28 | 19:48 | 20:07 | 20:27 | 20:57 | 21:24 | 21:52 | 22:22 | 22:52 | 23:22 | 23:52 |
| Lichfield Road (TW4), Hounslow West | 00:23 | 03:35 | 04:05 | 04:35 | 05:05 | 05:25 | 05:45 | 06:06 | 06:28 | 06:50 | 07:10 | 07:30 | 07:50 | 08:10 | 08:30 | 08:50 | 09:10 | 09:30 | 09:50 | 10:10 | 10:30 | 10:50 | 11:10 | 11:30 | 11:50 | 12:10 | 12:30 | 12:50 | 13:10 | 13:30 | 13:50 | 14:10 | 14:30 | 14:50 | 15:10 | 15:30 | 15:50 | 16:10 | 16:30 | 16:50 | 17:10 | 17:30 | 17:50 | 18:10 | 18:30 | 18:50 | 19:10 | 19:29 | 19:49 | 20:08 | 20:28 | 20:58 | 21:25 | 21:53 | 22:23 | 22:53 | 23:23 | 23:53 |
| Hatton Cross Station | 00:28 | 03:41 | 04:11 | 04:41 | 05:11 | 05:31 | 05:51 | 06:14 | 06:37 | 06:59 | 07:19 | 07:39 | 07:59 | 08:19 | 08:39 | 08:59 | 09:19 | 09:39 | 09:59 | 10:19 | 10:39 | 10:59 | 11:19 | 11:39 | 11:59 | 12:19 | 12:39 | 12:59 | 13:19 | 13:39 | 13:59 | 14:19 | 14:39 | 14:59 | 15:19 | 15:39 | 15:59 | 16:19 | 16:39 | 16:59 | 17:19 | 17:39 | 17:59 | 18:19 | 18:39 | 18:59 | 19:18 | 19:37 | 19:57 | 20:15 | 20:35 | 21:05 | 21:31 | 21:59 | 22:29 | 22:58 | 23:28 | 23:58 |
| Harlington Corner | 00:34 | 03:48 | 04:18 | 04:48 | 05:18 | 05:38 | 05:59 | 06:22 | 06:45 | 07:07 | 07:27 | 07:47 | 08:07 | 08:27 | 08:47 | 09:07 | 09:27 | 09:47 | 10:07 | 10:27 | 10:47 | 11:07 | 11:27 | 11:47 | 12:07 | 12:27 | 12:47 | 13:07 | 13:27 | 13:47 | 14:07 | 14:27 | 14:47 | 15:07 | 15:27 | 15:47 | 16:07 | 16:27 | 16:47 | 17:07 | 17:27 | 17:47 | 18:07 | 18:27 | 18:47 | 19:07 | 19:26 | 19:45 | 20:04 | 20:22 | 20:42 | 21:12 | 21:37 | 22:04 | 22:34 | 23:04 | 23:34 | 00:04 |
| Sipson Road | 00:37 | 03:51 | 04:21 | 04:51 | 05:21 | 05:41 | 06:02 | 06:25 | 06:48 | 07:10 | 07:30 | 07:50 | 08:10 | 08:30 | 08:50 | 09:10 | 09:30 | 09:50 | 10:10 | 10:30 | 10:50 | 11:10 | 11:30 | 11:50 | 12:10 | 12:30 | 12:50 | 13:10 | 13:30 | 13:50 | 14:10 | 14:30 | 14:50 | 15:10 | 15:30 | 15:50 | 16:10 | 16:30 | 16:50 | 17:10 | 17:30 | 17:50 | 18:10 | 18:30 | 18:50 | 19:10 | 19:29 | 19:48 | 20:07 | 20:25 | 20:45 | 21:15 | 21:40 | 22:07 | 22:37 | 23:07 | 23:37 | 00:07 |
| Pinglestone Close, Harmondsworth | 00:40 | 03:54 | 04:24 | 04:54 | 05:24 | 05:44 | 06:05 | 06:28 | 06:51 | 07:13 | 07:33 | 07:53 | 08:13 | 08:33 | 08:53 | 09:13 | 09:33 | 09:53 | 10:13 | 10:33 | 10:53 | 11:13 | 11:33 | 11:53 | 12:13 | 12:33 | 12:53 | 13:13 | 13:33 | 13:53 | 14:13 | 14:33 | 14:53 | 15:13 | 15:33 | 15:53 | 16:13 | 16:33 | 16:53 | 17:13 | 17:33 | 17:53 | 18:13 | 18:33 | 18:53 | 19:13 | 19:32 | 19:51 | 20:10 | 20:28 | 20:48 | 21:18 | 21:43 | 22:10 | 22:40 | 23:10 | 23:40 | 00:10 |
| Heathrow Terminal 5, Heathrow Airport Terminal 5 | 00:45 | 04:00 | 04:30 | 05:00 | 05:30 | 05:51 | 06:12 | 06:35 | 06:58 | 07:20 | 07:40 | 08:00 | 08:20 | 08:40 | 09:00 | 09:20 | 09:40 | 10:00 | 10:20 | 10:40 | 11:00 | 11:20 | 11:40 | 12:00 | 12:20 | 12:40 | 13:00 | 13:20 | 13:40 | 14:00 | 14:20 | 14:40 | 15:00 | 15:20 | 15:40 | 16:00 | 16:20 | 16:40 | 17:00 | 17:20 | 17:40 | 18:00 | 18:20 | 18:40 | 19:00 | 19:20 | 19:38 | 19:57 | 20:16 | 20:34 | 20:54 | 21:24 | 21:48 | 22:15 | 22:45 | 23:15 | 23:45 | 00:15 |
Heathrow Airport Terminal 5 to Hounslow
| Stop | Journey 1 | Journey 2 | Journey 3 | Journey 4 | Journey 5 | Journey 6 | Journey 7 | Journey 8 | Journey 9 | Journey 10 | Journey 11 | Journey 12 | Journey 13 | Journey 14 | Journey 15 | Journey 16 | Journey 17 | Journey 18 | Journey 19 | Journey 20 | Journey 21 | Journey 22 | Journey 23 | Journey 24 | Journey 25 | Journey 26 | Journey 27 | Journey 28 | Journey 29 | Journey 30 | Journey 31 | Journey 32 | Journey 33 | Journey 34 | Journey 35 | Journey 36 | Journey 37 | Journey 38 | Journey 39 | Journey 40 | Journey 41 | Journey 42 | Journey 43 | Journey 44 | Journey 45 | Journey 46 | Journey 47 | Journey 48 | Journey 49 | Journey 50 | Journey 51 | Journey 52 | Journey 53 | Journey 54 | Journey 55 | Journey 56 | Journey 57 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Heathrow Terminal 5, Heathrow Airport Terminal 5 | 00:20 | 00:50 | 04:05 | 04:35 | 05:05 | 05:35 | 06:00 | 06:20 | 06:40 | 07:00 | 07:20 | 07:40 | 08:00 | 08:20 | 08:40 | 09:00 | 09:20 | 09:40 | 10:00 | 10:20 | 10:40 | 11:00 | 11:20 | 11:40 | 12:00 | 12:20 | 12:40 | 13:00 | 13:20 | 13:40 | 14:00 | 14:20 | 14:40 | 15:00 | 15:20 | 15:40 | 16:00 | 16:20 | 16:40 | 17:00 | 17:20 | 17:40 | 18:00 | 18:20 | 18:40 | 19:00 | 19:20 | 19:40 | 20:09 | 20:39 | 21:09 | 21:39 | 22:09 | 22:20 | 22:50 | 23:20 | 23:50 |
| Pinglestone Close, Harmondsworth | 00:28 | 00:58 | 04:13 | 04:43 | 05:14 | 05:44 | 06:09 | 06:30 | 06:50 | 07:10 | 07:30 | 07:50 | 08:10 | 08:30 | 08:50 | 09:10 | 09:30 | 09:49 | 10:09 | 10:29 | 10:49 | 11:09 | 11:29 | 11:49 | 12:09 | 12:29 | 12:49 | 13:09 | 13:29 | 13:49 | 14:10 | 14:30 | 14:50 | 15:10 | 15:30 | 15:50 | 16:10 | 16:30 | 16:50 | 17:10 | 17:30 | 17:50 | 18:10 | 18:30 | 18:50 | 19:09 | 19:29 | 19:49 | 20:18 | 20:48 | 21:18 | 21:48 | 22:18 | 22:29 | 22:59 | 23:28 | 23:58 |
| Nene Road, Sipson | 00:32 | 01:02 | 04:17 | 04:47 | 05:18 | 05:48 | 06:14 | 06:35 | 06:55 | 07:15 | 07:35 | 07:55 | 08:15 | 08:35 | 08:55 | 09:15 | 09:35 | 09:54 | 10:14 | 10:34 | 10:54 | 11:14 | 11:34 | 11:54 | 12:14 | 12:34 | 12:54 | 13:14 | 13:34 | 13:54 | 14:15 | 14:35 | 14:55 | 15:15 | 15:35 | 15:55 | 16:15 | 16:35 | 16:55 | 17:15 | 17:35 | 17:55 | 18:15 | 18:35 | 18:55 | 19:14 | 19:34 | 19:54 | 20:23 | 20:53 | 21:23 | 21:53 | 22:22 | 22:33 | 23:03 | 23:32 | 00:02 |
| Hatton Road North, Harlington | 00:35 | 01:05 | 04:20 | 04:50 | 05:22 | 05:52 | 06:18 | 06:39 | 06:59 | 07:19 | 07:39 | 07:59 | 08:19 | 08:39 | 08:59 | 09:19 | 09:39 | 09:58 | 10:18 | 10:38 | 10:58 | 11:18 | 11:38 | 11:58 | 12:18 | 12:38 | 12:58 | 13:18 | 13:38 | 13:59 | 14:20 | 14:40 | 15:00 | 15:20 | 15:40 | 16:00 | 16:20 | 16:40 | 17:00 | 17:20 | 17:40 | 18:00 | 18:20 | 18:40 | 19:00 | 19:18 | 19:38 | 19:58 | 20:27 | 20:57 | 21:27 | 21:57 | 22:26 | 22:37 | 23:06 | 23:35 | 00:05 |
| Hatton Cross Station | 00:41 | 01:11 | 04:25 | 04:55 | 05:27 | 05:57 | 06:24 | 06:45 | 07:05 | 07:26 | 07:46 | 08:06 | 08:26 | 08:46 | 09:06 | 09:26 | 09:46 | 10:05 | 10:25 | 10:45 | 11:05 | 11:25 | 11:45 | 12:05 | 12:25 | 12:45 | 13:05 | 13:25 | 13:45 | 14:06 | 14:27 | 14:47 | 15:07 | 15:27 | 15:47 | 16:07 | 16:27 | 16:47 | 17:07 | 17:27 | 17:47 | 18:07 | 18:27 | 18:47 | 19:06 | 19:24 | 19:44 | 20:04 | 20:33 | 21:03 | 21:33 | 22:03 | 22:32 | 22:43 | 23:12 | 23:41 | 00:11 |
| Lichfield Road (TW4), Hounslow West | 00:46 | 01:16 | 04:30 | 05:01 | 05:34 | 06:04 | 06:32 | 06:55 | 07:15 | 07:35 | 07:55 | 08:15 | 08:35 | 08:55 | 09:15 | 09:35 | 09:54 | 10:13 | 10:33 | 10:53 | 11:13 | 11:33 | 11:53 | 12:13 | 12:33 | 12:53 | 13:13 | 13:33 | 13:53 | 14:14 | 14:35 | 14:55 | 15:15 | 15:35 | 15:55 | 16:15 | 16:35 | 16:55 | 17:15 | 17:35 | 17:55 | 18:15 | 18:35 | 18:55 | 19:13 | 19:31 | 19:50 | 20:10 | 20:39 | 21:09 | 21:39 | 22:09 | 22:38 | 22:49 | 23:17 | 23:46 | 00:16 |
| Beavers Community School, Hounslow West | 00:47 | 01:17 | 04:31 | 05:02 | 05:35 | 06:05 | 06:33 | 06:56 | 07:16 | 07:36 | 07:56 | 08:16 | 08:36 | 08:56 | 09:16 | 09:36 | 09:55 | 10:14 | 10:34 | 10:54 | 11:14 | 11:34 | 11:54 | 12:14 | 12:34 | 12:54 | 13:14 | 13:34 | 13:54 | 14:15 | 14:36 | 14:56 | 15:16 | 15:36 | 15:56 | 16:16 | 16:36 | 16:56 | 17:16 | 17:36 | 17:56 | 18:16 | 18:36 | 18:56 | 19:14 | 19:32 | 19:51 | 20:11 | 20:40 | 21:10 | 21:40 | 22:10 | 22:39 | 22:50 | 23:18 | 23:47 | 00:17 |
| Frampton Road, Hounslow West | 00:51 | 01:21 | 04:34 | 05:07 | 05:40 | 06:12 | 06:40 | 07:03 | 07:23 | 07:43 | 08:03 | 08:23 | 08:43 | 09:03 | 09:23 | 09:42 | 10:01 | 10:20 | 10:40 | 11:00 | 11:20 | 11:40 | 12:00 | 12:20 | 12:40 | 13:00 | 13:20 | 13:40 | 14:01 | 14:22 | 14:43 | 15:03 | 15:23 | 15:43 | 16:03 | 16:23 | 16:43 | 17:03 | 17:23 | 17:43 | 18:03 | 18:23 | 18:43 | 19:03 | 19:21 | 19:39 | 19:57 | 20:17 | 20:46 | 21:16 | 21:46 | 22:15 | 22:44 | 22:55 | 23:22 | 23:51 | 00:21 |
| The Bell, Hounslow | 00:55 | 01:25 | 04:40 | 05:14 | 05:47 | 06:19 | 06:47 | 07:10 | 07:30 | 07:50 | 08:10 | 08:30 | 08:50 | 09:10 | 09:30 | 09:50 | 10:10 | 10:29 | 10:49 | 11:09 | 11:29 | 11:49 | 12:09 | 12:29 | 12:49 | 13:09 | 13:29 | 13:49 | 14:10 | 14:31 | 14:52 | 15:12 | 15:32 | 15:52 | 16:12 | 16:32 | 16:52 | 17:10 | 17:28 | 17:48 | 18:08 | 18:28 | 18:48 | 19:09 | 19:27 | 19:45 | 20:03 | 20:21 | 20:50 | 21:20 | 21:50 | 22:19 | 22:48 | 22:59 | 23:26 | 23:55 | 00:25 |
| Hounslow Bus Station | 00:58 | 01:28 | 04:43 | 05:18 | 05:51 | 06:24 | 06:52 | 07:15 | 07:35 | 07:55 | 08:15 | 08:35 | 08:55 | 09:15 | 09:35 | 09:55 | 10:15 | 10:34 | 10:54 | 11:14 | 11:34 | 11:54 | 12:14 | 12:34 | 12:54 | 13:14 | 13:34 | 13:54 | 14:15 | 14:36 | 14:57 | 15:17 | 15:37 | 15:57 | 16:17 | 16:37 | 16:57 | 17:15 | 17:33 | 17:53 | 18:13 | 18:33 | 18:53 | 19:13 | 19:31 | 19:49 | 20:07 | 20:25 | 20:54 | 21:24 | 21:54 | 22:23 | 22:52 | 23:03 | 23:30 | 23:58 | 00:28 |
Places on this route
Timetables from the Bus Open Data Service (Department for Transport), updated Tuesday, 3 November 2026. Stop details from NaPTAN. Train timetables contain data from Network Rail, licensed under the Open Government Licence; live train times from National Rail. Times are UK local time and can change at short notice: check before you travel.
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