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

StopJourney 1Journey 2Journey 3Journey 4Journey 5Journey 6Journey 7Journey 8Journey 9Journey 10Journey 11Journey 12Journey 13Journey 14Journey 15Journey 16Journey 17Journey 18Journey 19Journey 20Journey 21Journey 22Journey 23Journey 24Journey 25Journey 26Journey 27Journey 28Journey 29Journey 30Journey 31Journey 32Journey 33Journey 34Journey 35Journey 36Journey 37Journey 38Journey 39Journey 40Journey 41Journey 42Journey 43Journey 44Journey 45Journey 46Journey 47Journey 48Journey 49Journey 50Journey 51Journey 52Journey 53Journey 54Journey 55Journey 56Journey 57Journey 58
School Road (TW3), Hounslow00:1003:2003:5004:2004:5005:1005:3005:5006:1006:3006:5007:1007:3007:5008:1008:3008:5009:1009:3009:5010:1010:3010:5011:1011:3011:5012:1012:3012:5013:1013:3013:5014:1014:3014:5015:1015:3015:5016:1016:3016:5017:1017:3017:5018:1018:3018:5019:1019:3019:5020:1020:4021:1021:4022:1022:4023:1023:40
The Bell, Hounslow00:1503:2503:5504:2504:5505:1505:3505:5506:1506:3706:5707:1707:3707:5708:1708:3708:5709:1709:3709:5710:1710:3710:5711:1711:3711:5712:1712:3712:5713:1713:3713:5714:1714:3714:5715:1715:3715:5716:1716:3716:5717:1717:3717:5718:1718:3718:5719:1719:3719:5720:1720:4721:1621:4622:1622:4523:1523:45
Barrack Road, Hounslow West00:1903:3004:0004:3005:0005:2005:4006:0006:2106:4307:0307:2307:4308:0308:2308:4309:0309:2309:4310:0310:2310:4311:0311:2311:4312:0312:2312:4313:0313:2313:4314:0314:2314:4315:0315:2315:4316:0316:2316:4317:0317:2317:4318:0318:2318:4319:0319:2319:4320:0220:2220:5221:2021:4922:1922:4923:1923:49
Beavers Community School, Hounslow West00:2203:3404:0404:3405:0405:2405:4406:0506:2706:4907:0907:2907:4908:0908:2908:4909:0909:2909:4910:0910:2910:4911:0911:2911:4912:0912:2912:4913:0913:2913:4914:0914:2914:4915:0915:2915:4916:0916:2916:4917:0917:2917:4918:0918:2918:4919:0919:2819:4820:0720:2720:5721:2421:5222:2222:5223:2223:52
Lichfield Road (TW4), Hounslow West00:2303:3504:0504:3505:0505:2505:4506:0606:2806:5007:1007:3007:5008:1008:3008:5009:1009:3009:5010:1010:3010:5011:1011:3011:5012:1012:3012:5013:1013:3013:5014:1014:3014:5015:1015:3015:5016:1016:3016:5017:1017:3017:5018:1018:3018:5019:1019:2919:4920:0820:2820:5821:2521:5322:2322:5323:2323:53
Hatton Cross Station00:2803:4104:1104:4105:1105:3105:5106:1406:3706:5907:1907:3907:5908:1908:3908:5909:1909:3909:5910:1910:3910:5911:1911:3911:5912:1912:3912:5913:1913:3913:5914:1914:3914:5915:1915:3915:5916:1916:3916:5917:1917:3917:5918:1918:3918:5919:1819:3719:5720:1520:3521:0521:3121:5922:2922:5823:2823:58
Harlington Corner00:3403:4804:1804:4805:1805:3805:5906:2206:4507:0707:2707:4708:0708:2708:4709:0709:2709:4710:0710:2710:4711:0711:2711:4712:0712:2712:4713:0713:2713:4714:0714:2714:4715:0715:2715:4716:0716:2716:4717:0717:2717:4718:0718:2718:4719:0719:2619:4520:0420:2220:4221:1221:3722:0422:3423:0423:3400:04
Sipson Road00:3703:5104:2104:5105:2105:4106:0206:2506:4807:1007:3007:5008:1008:3008:5009:1009:3009:5010:1010:3010:5011:1011:3011:5012:1012:3012:5013:1013:3013:5014:1014:3014:5015:1015:3015:5016:1016:3016:5017:1017:3017:5018:1018:3018:5019:1019:2919:4820:0720:2520:4521:1521:4022:0722:3723:0723:3700:07
Pinglestone Close, Harmondsworth00:4003:5404:2404:5405:2405:4406:0506:2806:5107:1307:3307:5308:1308:3308:5309:1309:3309:5310:1310:3310:5311:1311:3311:5312:1312:3312:5313:1313:3313:5314:1314:3314:5315:1315:3315:5316:1316:3316:5317:1317:3317:5318:1318:3318:5319:1319:3219:5120:1020:2820:4821:1821:4322:1022:4023:1023:4000:10
Heathrow Terminal 5, Heathrow Airport Terminal 500:4504:0004:3005:0005:3005:5106:1206:3506:5807:2007:4008:0008:2008:4009:0009:2009:4010:0010:2010:4011:0011:2011:4012:0012:2012:4013:0013:2013:4014:0014:2014:4015:0015:2015:4016:0016:2016:4017:0017:2017:4018:0018:2018:4019:0019:2019:3819:5720:1620:3420:5421:2421:4822:1522:4523:1523:4500:15

Heathrow Airport Terminal 5 to Hounslow

StopJourney 1Journey 2Journey 3Journey 4Journey 5Journey 6Journey 7Journey 8Journey 9Journey 10Journey 11Journey 12Journey 13Journey 14Journey 15Journey 16Journey 17Journey 18Journey 19Journey 20Journey 21Journey 22Journey 23Journey 24Journey 25Journey 26Journey 27Journey 28Journey 29Journey 30Journey 31Journey 32Journey 33Journey 34Journey 35Journey 36Journey 37Journey 38Journey 39Journey 40Journey 41Journey 42Journey 43Journey 44Journey 45Journey 46Journey 47Journey 48Journey 49Journey 50Journey 51Journey 52Journey 53Journey 54Journey 55Journey 56Journey 57
Heathrow Terminal 5, Heathrow Airport Terminal 500:2000:5004:0504:3505:0505:3506:0006:2006:4007:0007:2007:4008:0008:2008:4009:0009:2009:4010:0010:2010:4011:0011:2011:4012:0012:2012:4013:0013:2013:4014:0014:2014:4015:0015:2015:4016:0016:2016:4017:0017:2017:4018:0018:2018:4019:0019:2019:4020:0920:3921:0921:3922:0922:2022:5023:2023:50
Pinglestone Close, Harmondsworth00:2800:5804:1304:4305:1405:4406:0906:3006:5007:1007:3007:5008:1008:3008:5009:1009:3009:4910:0910:2910:4911:0911:2911:4912:0912:2912:4913:0913:2913:4914:1014:3014:5015:1015:3015:5016:1016:3016:5017:1017:3017:5018:1018:3018:5019:0919:2919:4920:1820:4821:1821:4822:1822:2922:5923:2823:58
Nene Road, Sipson00:3201:0204:1704:4705:1805:4806:1406:3506:5507:1507:3507:5508:1508:3508:5509:1509:3509:5410:1410:3410:5411:1411:3411:5412:1412:3412:5413:1413:3413:5414:1514:3514:5515:1515:3515:5516:1516:3516:5517:1517:3517:5518:1518:3518:5519:1419:3419:5420:2320:5321:2321:5322:2222:3323:0323:3200:02
Hatton Road North, Harlington00:3501:0504:2004:5005:2205:5206:1806:3906:5907:1907:3907:5908:1908:3908:5909:1909:3909:5810:1810:3810:5811:1811:3811:5812:1812:3812:5813:1813:3813:5914:2014:4015:0015:2015:4016:0016:2016:4017:0017:2017:4018:0018:2018:4019:0019:1819:3819:5820:2720:5721:2721:5722:2622:3723:0623:3500:05
Hatton Cross Station00:4101:1104:2504:5505:2705:5706:2406:4507:0507:2607:4608:0608:2608:4609:0609:2609:4610:0510:2510:4511:0511:2511:4512:0512:2512:4513:0513:2513:4514:0614:2714:4715:0715:2715:4716:0716:2716:4717:0717:2717:4718:0718:2718:4719:0619:2419:4420:0420:3321:0321:3322:0322:3222:4323:1223:4100:11
Lichfield Road (TW4), Hounslow West00:4601:1604:3005:0105:3406:0406:3206:5507:1507:3507:5508:1508:3508:5509:1509:3509:5410:1310:3310:5311:1311:3311:5312:1312:3312:5313:1313:3313:5314:1414:3514:5515:1515:3515:5516:1516:3516:5517:1517:3517:5518:1518:3518:5519:1319:3119:5020:1020:3921:0921:3922:0922:3822:4923:1723:4600:16
Beavers Community School, Hounslow West00:4701:1704:3105:0205:3506:0506:3306:5607:1607:3607:5608:1608:3608:5609:1609:3609:5510:1410:3410:5411:1411:3411:5412:1412:3412:5413:1413:3413:5414:1514:3614:5615:1615:3615:5616:1616:3616:5617:1617:3617:5618:1618:3618:5619:1419:3219:5120:1120:4021:1021:4022:1022:3922:5023:1823:4700:17
Frampton Road, Hounslow West00:5101:2104:3405:0705:4006:1206:4007:0307:2307:4308:0308:2308:4309:0309:2309:4210:0110:2010:4011:0011:2011:4012:0012:2012:4013:0013:2013:4014:0114:2214:4315:0315:2315:4316:0316:2316:4317:0317:2317:4318:0318:2318:4319:0319:2119:3919:5720:1720:4621:1621:4622:1522:4422:5523:2223:5100:21
The Bell, Hounslow00:5501:2504:4005:1405:4706:1906:4707:1007:3007:5008:1008:3008:5009:1009:3009:5010:1010:2910:4911:0911:2911:4912:0912:2912:4913:0913:2913:4914:1014:3114:5215:1215:3215:5216:1216:3216:5217:1017:2817:4818:0818:2818:4819:0919:2719:4520:0320:2120:5021:2021:5022:1922:4822:5923:2623:5500:25
Hounslow Bus Station00:5801:2804:4305:1805:5106:2406:5207:1507:3507:5508:1508:3508:5509:1509:3509:5510:1510:3410:5411:1411:3411:5412:1412:3412:5413:1413:3413:5414:1514:3614:5715:1715:3715:5716:1716:3716:5717:1517:3317:5318:1318:3318:5319:1319:3119:4920:0720:2520:5421:2421:5422:2322:5223:0323:3023:5800:28

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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