N21a (Tsim SHA Tsui (Star Ferry) - Airport (VIA YAT Tung Estate)) Bus in Mong Kok

A bus service operated by Citybus

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List of stops

Number of stops: 15

Map

Monday to Sunday

[Ctb] Tsim SHA Tsui (Star Ferry)|[Kmb] Star Ferry, Harbour City – [Ctb] Airport (Ground Transportation Centre)|[Lwb] Airport (GTC) BUS Terminus

Timing points All stops

[Ctb] Tsim SHA Tsui (Star Ferry)\|[Kmb] Star Ferry, Harbour City	00:10	01:10
[Ctb] Kowloon Hotel, Nathan Road\|[Kmb] Tsim SHA Tsui BBI - Middle Road	00:13	01:13
[Ctb] Haiphong Road, Nathan Road\|[Kmb] Tsim SHA Tsui BBI - Haiphong Road	00:16	01:16
[Ctb] Kimberley Road, Nathan Road\|[Kmb] Kimberley Road	00:19	01:19
[Ctb] Tsim SHA Tsui Police Station, Nathan Road\|[Kmb] Tsim SHA Tsui Police Station	00:22	01:22
[Ctb] Jordan Station, Nathan Road\|[Kmb] Bowring Street, Prudential Centre	00:25	01:25
[Ctb] Ning PO Street, Nathan Road\|[Kmb] Ning PO Street YAU MA Tei	00:28	01:28
[Ctb] Public Square Street, Nathan Road\|[Kmb+Ctb] Public Square Street YAU MA TEI/<Br>Public Square Street, Nathan Road\|[Kmb] Public Square Street YAU MA Tei	00:31	01:31
[Ctb] Pitt Street, Nathan Road\|[Kmb+Ctb] Pitt Street YAU MA TEI/<Br>Pitt Street, Nathan Road\|[Kmb] Pitt Street YAU MA Tei	00:34	01:34
[Ctb] Changsha Street, Nathan Road\|[Kmb] Cheung SHA Street Mong Kok	00:37	01:37
[Ctb] Grand Plaza, Nathan Road\|[Kmb+Ctb] Nelson Street Mong KOK/<Br>Grand Plaza, Nathan Road\|[Kmb] Nelson Street Mong Kok\|[Nlb] Nelson Street	00:40	01:40
[Ctb] Bute Street, Nathan Road\|[Kmb+Ctb] Bute Street, Pioneer Centre/<Br>Bute Street, Nathan Road\|[Kmb] Bute Street, Pioneer Centre	00:43	01:43
[Ctb] Prince Edward Station, Nathan Road\|[Kmb+Ctb] Prince Edward Station, Flower Market/<Br>Prince Edward Station, Nathan Road\|[Kmb] Prince Edward Station, Flower Market\|[Nlb] Prince Edward MTR Station	00:46	01:46
[Ctb] Maple Street, Cheung SHA WAN Road\|[Kmb] Maple Street Sham Shui Po	00:49	01:49
[Ctb] Wong Chuk Street, Cheung SHA WAN Road\|[Kmb] Wong Chuk Street Sham Shui Po	00:53	01:53
[Ctb] PEI HO Street, Cheung SHA WAN Road\|[Kmb] PEI HO Street Sham Shui Po	00:56	01:56
[Ctb] YEN Chow Street, Cheung SHA WAN Road\|[Kmb] YEN Chow Street Sham Shui Po\|[Nlb] YEN Chow Street	00:59	01:59
[Ctb] YEE KOK Court, Cheung SHA WAN Road\|[Kmb+Ctb] YEE KOK Court/<Br>Yee KOK Court, Cheung SHA WAN Road\|[Kmb] YEE KOK Court	01:02	02:02
[Ctb] Cheung SHA WAN Playground, Cheung SHA WAN Road\|[Kmb+Ctb] Cheung SHA WAN Playground/<Br>Cheung SHA WAN Playground, Cheung SHA WAN Road\|[Kmb] Cheung SHA WAN Playground	01:05	02:05
[Ctb] Hing WAH Street, Cheung SHA WAN Road\|[Kmb] Hing WAH Street Cheung SHA Wan	01:08	02:08
[Ctb] Cheung SHA WAN Plaza, Cheung SHA WAN Road\|[Kmb] LAI CHI KOK Station	01:11	02:11
[Ctb] MEI Foo, LAI CHI KOK Road\|[Kmb+Ctb] MEI FOO BBI/<Br>Mei Foo, LAI CHI KOK Road\|[Kmb] MEI FOO Bbi	01:14	02:14
[Ctb] Kwai Chung Interchange, Kwai Chung Road\|[Kmb] Kwai Chung Interchange	01:17	02:17
[Ctb] Hang Chui House Cheung Hang Estate, Tsing YI Road West\|[Kmb+Ctb] Cheung Hang Estate/<Br>Hang Chui House Cheung Hang Estate, Tsing YI Road West\|[Kmb] Cheung Hang Estate\|[Lwb] Cheung Hang Estate	01:20	02:20
[Ctb] Ching WAH Court, Tsing YI Road West\|[Kmb] Ching WAH Court\|[Lwb] Ching WAH Court	01:23	02:23
[Ctb] Lantau Link BUS-BUS Interchange\|[Lwb+Ctb] Lantau Link Interchange/<Br>Lantau Link BUS-BUS Interchange\|[Lwb] Lantau Link Interchange	01:26	02:26
[Ctb] Seaview Crescent, WAI Tung Road\|[Lwb] Seaview Crescent\|[Nlb] Seaview Crescent	01:29	02:29
[Ctb] Coastal Skyline, MAN Tung Road\|[Lwb] Coastal Skyline\|[Nlb] Coastal Skyline	01:33	02:33
[Ctb] Caribbean Coast Phase 2, MAN Tung Road\|[Lwb] Caribbean Coast Phase 2\|[Nlb] Caribbean Coast Phase 2	01:36	02:36
[Ctb] Caribbean Coast Phase 1, MAN Tung Road\|[Lwb] Caribbean Coast Phase 1\|[Nlb] Caribbean Coast Phase 1	01:39	02:39
[Ctb] Ying HEI Road\|[Lwb] Ying HEI Road\|[Nlb] Ying HEI Road	01:42	02:42
[Ctb] MEI YAT House YAT Tung Estate, Chung YAN Road\|[Lwb] MEI YAT House, YAT Tung Estate\|[Nlb] North Lantau Hospital (North Bound), MEI YAT House YAT Tung Estate	01:45	02:45
[Ctb] Tung Chung Fire Station, Shun Tung Road\|[Lwb] Tung Chung Fire Station\|[Nlb] Tung Chung Fire Station	01:48	02:48
[Ctb] Tung Chung Crescent, Shun Tung Road\|[Lwb] Tung Chung Crescent	01:51	02:51
[Ctb] Aviation Fuel Tank Farm, Scenic Road\|[Lwb+Ctb] Aviation Fuel Tank Farm/<Br>Aviation Fuel Tank Farm, Scenic Road\|[Lwb] Aviation Fuel Tank Farm\|[Nlb] Aviation Fuel Tank Farm	01:54	02:54
[Ctb] Cathay Pacific City (East), East Coast Road	01:57	02:57
[Ctb] Gate House No.2, Cheong LIN Road\|[Lwb] Cheong LIN Road\|[Nlb] Gate House NO. 2	02:00	03:00
[Ctb] CAR Park One, Cheong TAT Road\|[Lwb] CAR Park 1, Cheong TAT Road	02:03	03:03
[Ctb] Terminal 1 (North), Cheong TAT Road\|[Lwb+Ctb] Terminal 1 (North), Cheong TAT Road/<Br>Terminal 1 (North), Cheong TAT Road\|[Lwb] Terminal 1 (North), Cheong TAT Road\|[Nlb] Cheong TAT Road	02:06	03:06
[Ctb] Regal Airport Hotel, Cheong TAT Road\|[Lwb+Ctb] Regal Airport Hotel/<Br>Regal Airport Hotel, Cheong TAT Road\|[Lwb] Regal Airport Hotel\|[Nlb] Regal Airport Hotel	02:09	03:09
[Ctb] Airport (Ground Transportation Centre)\|[Lwb] Airport (GTC) BUS Terminus	02:13	03:13

[Ctb] Airport (Ground Transportation Centre)|[Lwb] Airport (GTC) BUS Terminus – [Ctb] Tsim SHA Tsui (Star Ferry)|[Kmb] Star Ferry, Harbour City

Timing points All stops

[Ctb] Airport (Ground Transportation Centre)\|[Lwb] Airport (GTC) BUS Terminus	05:00
[Ctb] Terminal 1 (North), Cheong TAT Road\|[Lwb+Ctb] Terminal 1 (North), Cheong TAT Road/<Br>Terminal 1 (North), Cheong TAT Road\|[Lwb] Terminal 1 (North), Cheong TAT Road\|[Nlb] Cheong TAT Road	05:03
[Ctb] Regal Airport Hotel, Cheong TAT Road\|[Lwb+Ctb] Regal Airport Hotel/<Br>Regal Airport Hotel, Cheong TAT Road\|[Lwb] Regal Airport Hotel\|[Nlb] Regal Airport Hotel	05:06
[Ctb] Cathay Pacific City, Chun Ming Road\|[Lwb] Cathay Pacific City\|[Nlb] Cathay City	05:09
[Ctb] Airport Police Station, Catering Road West\|[Lwb] Airport Police Station	05:12
[Ctb] Chun WAN Road South, Chun WAN Road\|[Lwb] Chun WAN Road South\|[Nlb] Chun WAN Road South	05:15
[Ctb] Airport Freight Forwarding Centre, Chun WAN Road\|[Lwb] Airport Freight Forwarding Ctr.\|[Nlb] Airport Freight Forwarding Centre	05:18
[Ctb] Asia Airfreight Terminal, Chun Ping Road\|[Lwb] Asia Airfreight Terminal\|[Nlb] Asia Airfreight Terminal	05:21
[Ctb] Chek LAP KOK South Road\|[Lwb] Chek LAP KOK South Road\|[Nlb] Chek LAP KOK South Road	05:24
[Ctb] Tung Chung Cable CAR Terminal, TAT Tung Road\|[Lwb+Ctb] Tung Chung Cable CAR Terminal/<Br>Tung Chung Cable CAR Terminal, TAT Tung Road\|[Lwb] Tung Chung Cable CAR Terminal\|[Nlb] Tung Chung Cable CAR Terminal	05:27
[Ctb] FU Tung Plaza, TAT Tung Road\|[Lwb] FU Tung Plaza\|[Nlb] FU Tung Plaza	05:30
[Ctb] YU Tung Court, Shun Tung Road\|[Lwb] YU Tung Court\|[Nlb] YU Tung Court	05:33
[Ctb] North Lantau Hospital, Chung YAN Road\|[Lwb] North Lantau Hospital\|[Nlb] North Lantau Hospital (South Bound)	05:36
[Ctb] Seaview Crescent, WAI Tung Road\|[Lwb] Seaview Crescent\|[Nlb] Seaview Crescent	05:39
[Ctb] Coastal Skyline, MAN Tung Road\|[Lwb] Coastal Skyline\|[Nlb] Coastal Skyline	05:42
[Ctb] Caribbean Coast Phase 2, MAN Tung Road\|[Lwb] Caribbean Coast Phase 2\|[Nlb] Caribbean Coast Phase 2	05:45
[Ctb] Caribbean Coast Phase 1, MAN Tung Road\|[Lwb] Caribbean Coast Phase 1\|[Nlb] Caribbean Coast Phase 1	05:48
[Ctb] Ying HEI Road\|[Lwb] Ying HEI Road\|[Nlb] Ying HEI Road	05:51
[Ctb] Lantau Link BUS-BUS Interchange\|[Lwb+Ctb] Lantau Link Interchange/<Br>Lantau Link BUS-BUS Interchange\|[Lwb] Lantau Link Interchange	05:54
[Ctb] Ching WAH Court, Tsing YI Road West\|[Kmb] Ching WAH Court\|[Lwb] Ching WAH Court	05:57
[Ctb] Cheung Hang Estate, Tsing YI Road West\|[Kmb+Ctb] Cheung Hang Estate/<Br>Cheung Hang Estate, Tsing YI Road West\|[Kmb] Cheung Hang Estate\|[Lwb] Cheung Hang Estate	06:00
[Ctb] Kwai Chung Interchange, Kwai Chung Road\|[Kmb] Kwai Chung Interchange	06:03
[Ctb] MEI Foo, Cheung SHA WAN Road\|[Kmb] MEI FOO Bbi	06:06
[Ctb] LAI CHI KOK Station, Cheung SHA WAN Road\|[Kmb+Ctb] LAI CHI KOK Station/<Br>Lai CHI KOK Station, Cheung SHA WAN Road\|[Kmb] LAI CHI KOK Station	06:09
[Ctb] Cheung WAH Street, Cheung SHA WAN Road\|[Kmb+Ctb] Cheung WAH Street/<Br>Cheung WAH Street, Cheung SHA WAN Road\|[Kmb] Cheung WAH Street	06:12
[Ctb] Cheung SHA WAN Station, Cheung SHA WAN Road\|[Kmb] UN Chau Estate	06:15
[Ctb] YEE KOK Court, Cheung SHA WAN Road\|[Kmb] KIU Kiang Street Sham Shui Po	06:18
[Ctb] YEN Chow Street, Cheung SHA WAN Road\|[Kmb] YEN Chow Street Sham Shui Po	06:21
[Ctb] Sham Shui PO Station, Cheung SHA WAN Road\|[Kmb] PEI HO Street Sham Shui Po	06:24
[Ctb] Wong Chuk Street, Cheung SHA WAN Road\|[Kmb] Wong Chuk Street Sham Shui Po	06:27
[Ctb] Mong KOK Police Station, Nathan Road\|[Kmb] Mongkok Police Station	06:30
[Ctb] Argyle Centre, Nathan Road\|[Kmb+Ctb] Mong KOK Station, Argyle Centre/<Br>Argyle Centre, Nathan Road\|[Kmb] Mong KOK Station, Argyle Centre	06:33
[Ctb] Bank Centre, Nathan Road\|[Kmb+Ctb] Nelson Street Mong KOK/<Br>Bank Centre, Nathan Road\|[Kmb] Nelson Street Mong Kok	06:36
[Ctb] Sino Centre, Nathan Road\|[Kmb] SOY Street Mong Kok	06:39
[Ctb] Pitt Street, Nathan Road\|[Kmb] Pitt Street YAU MA Tei	06:42
[Ctb] Wing Sing Lane, Nathan Road\|[Kmb] Wing Sing Lane YAU MA Tei	06:45
[Ctb] Nathan Hotel, Nathan Road\|[Kmb] Saigon Street YAU MA Tei	06:48
[Ctb] Prudential Centre, Nathan Road\|[Kmb] TAK Shing Street Tsim SHA Tsui	06:51
[Ctb] Kimberley Road, Nathan Road\|[Kmb] Kimberley Road, Mira Place	06:54
[Ctb] Cameron Road, Nathan Road\|[Kmb] Cameron Road, Kowloon Mosque	06:57
[Ctb] Middle Road, Nathan Road\|[Kmb] Tsim SHA Tsui BBI - Middle Road	07:00
[Ctb] Tsim SHA Tsui (Star Ferry)\|[Kmb] Star Ferry, Harbour City	07:03

Route Path (Streets & Roads)

Outbound: [Ctb] Tsim SHA Tsui (Star Ferry)|[Kmb] Star Ferry, Harbour City – [Ctb] Airport (Ground Transportation Centre)|[Lwb] Airport (GTC) BUS Terminus

梳士巴利道 Salisbury Road - 彌敦道 Nathan Road - 長沙灣道 Cheung Sha Wan Road - 荔枝角道 Lai Chi Kok Road - 葵涌道 Kwai Chung Road - 青衣西路 Tsing Yi Road West - 北大嶼山公路 North Lantau Highway - 惠東路 Wai Tung Road - 文東路 Man Tung Road - 迎禧路 Ying Hei Road - 松仁路 Chung Yan Road - 順東路 Shun Tung Road - 觀景路 Scenic Road - 東岸路 East Coast Road - 暢航路 Cheong Hong Road - 暢達路 Cheong Tat Road - 暢航路 Cheong Hong Road

Inbound: [Ctb] Airport (Ground Transportation Centre)|[Lwb] Airport (GTC) BUS Terminus – [Ctb] Tsim SHA Tsui (Star Ferry)|[Kmb] Star Ferry, Harbour City

暢航路 Cheong Hong Road - 暢達路 Cheong Tat Road - 觀景路 Scenic Road - 航膳西路 Catering Road West - 駿運路 Chun Wan Road - 駿坪路 Chun Ping Road - 港珠澳大橋香港連接路 Hong Kong-Zhuhai-Macao Bridge Hong Kong Link Road - 達東路 Tat Tung Road - 順東路 Shun Tung Road - 松仁路 Chung Yan Road - 惠東路 Wai Tung Road - 文東路 Man Tung Road - 迎禧路 Ying Hei Road - 北大嶼山公路 North Lantau Highway - 青衣西路 Tsing Yi Road West - 葵涌道 Kwai Chung Road - 長沙灣道 Cheung Sha Wan Road - 彌敦道 Nathan Road - 梳士巴利道 Salisbury Road

Schedules and stops for this route are published in GTFS: kong-en, hong-kong

Bus N21a FAQ

What time does the N21a bus start operating?

Services on the N21a - Tsim SHA Tsui (Star Ferry) - Airport (VIA YAT Tung Estate) bus start at 00:10 on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
What time does the N21a bus stop working?

Services on the N21a - Tsim SHA Tsui (Star Ferry) - Airport (VIA YAT Tung Estate) bus stop at 03:13 on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
Is there a N21a bus stop near me?

Click here to view the nearest N21a - Tsim SHA Tsui (Star Ferry) - Airport (VIA YAT Tung Estate) bus stop.

N21a (Mong Kok Buses)

The first stop of the N21a bus route is [Ctb] Tsim SHA Tsui (Star Ferry)|[Kmb] Star Ferry, Harbour City and the last stop is [Ctb] Airport (Ground Transportation Centre)|[Lwb] Airport (GTC) BUS Terminus. N21a (Tsim SHA Tsui (Star Ferry) - Airport (VIA YAT Tung Estate)) is operational during everyday.

Additional information: N21a has 41 stops. The total trip duration for this route is approximately 123 minutes.

More than 2 million users trust busmaps.com for public transport information. Find suggested Buses routes in Mong Kok, real-time vehicle tracking, route maps, nearby stops, and offline PDF schedules.

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Last updated on July 27, 2026