N21a (Tsim SHA Tsui (Star Ferry) - Airport (VIA YAT Tung Estate) Please Inquire With THE Operator About THE Payment Arrangement OF THE TWO-WAY Fare ON This Route.)) Bus in Mong Kok

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      Monday to Sunday

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

      [Ctb] Tsim SHA Tsui (Star Ferry)|[Kmb] Star Ferry

      00:1001:10

      [Ctb] Kowloon Hotel, Nathan Road|[Kmb] Tsim SHA Tsui BBI - Middle Road

      ??

      [Ctb] Haiphong Road, Nathan Road|[Kmb] Tsim SHA Tsui BBI - Haiphong Road

      ??

      [Ctb] Kimberley Road, Nathan Road|[Kmb] Kimberley Road

      ??

      [Ctb] Tsim SHA Tsui Police Station, Nathan Road|[Kmb] Tsim SHA Tsui Police Station

      ??

      [Ctb] Jordan Station, Nathan Road|[Kmb] Bowring Street, Prudential Centre

      ??

      [Ctb] Ning PO Street, Nathan Road|[Kmb] Ning PO Street YAU MA Tei

      ??

      [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

      ??

      [Ctb] Pitt Street, Nathan Road|[Kmb+Ctb] Pitt Street YAU MA TEI/<Br>Pitt Street, Nathan Road|[Kmb] Pitt Street YAU MA Tei

      ??

      [Ctb] Changsha Street, Nathan Road|[Kmb] Cheung SHA Street Mong Kok

      ??

      [Ctb] Grand Plaza, Nathan Road|[Kmb+Ctb] Nelson Street Mong KOK/<Br>Grand Plaza, Nathan Road|[Kmb] Nelson Street Mong Kok|[Nlb] Nelson Street

      ??

      [Ctb] Bute Street, Nathan Road|[Kmb+Ctb] Bute Street, Pioneer Centre/<Br>Bute Street, Nathan Road|[Kmb] Bute Street, Pioneer Centre

      ??

      [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

      ??

      [Ctb] Maple Street, Cheung SHA WAN Road|[Kmb] Maple Street Sham Shui Po

      ??

      [Ctb] Wong Chuk Street, Cheung SHA WAN Road|[Kmb] Wong Chuk Street Sham Shui Po

      ??

      [Ctb] PEI HO Street, Cheung SHA WAN Road|[Kmb] PEI HO Street Sham Shui Po

      ??

      [Ctb] YEN Chow Street, Cheung SHA WAN Road|[Kmb] YEN Chow Street Sham Shui Po|[Nlb] YEN Chow Street

      ??

      [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

      ??

      [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

      ??

      [Ctb] Hing WAH Street, Cheung SHA WAN Road|[Kmb] Hing WAH Street Cheung SHA Wan

      ??

      [Ctb] Cheung SHA WAN Plaza, Cheung SHA WAN Road|[Kmb] LAI CHI KOK Station

      ??

      [Ctb] MEI Foo, LAI CHI KOK Road|[Kmb+Ctb] MEI FOO BBI/<Br>Mei Foo, LAI CHI KOK Road|[Kmb] MEI FOO Bbi

      ??

      [Ctb] Kwai Chung Interchange, Kwai Chung Road|[Kmb] Kwai Chung Interchange

      ??

      [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

      ??

      [Ctb] Ching WAH Court, Tsing YI Road West|[Kmb] Ching WAH Court|[Lwb] Ching WAH Court

      ??

      [Ctb] Lantau Link BUS-BUS Interchange|[Lwb+Ctb] Lantau Link Interchange/<Br>Lantau Link BUS-BUS Interchange|[Lwb] Lantau Link Interchange

      ??

      [Ctb] Seaview Crescent, WAI Tung Road|[Lwb] Seaview Crescent|[Nlb] Seaview Crescent

      ??

      [Ctb] Coastal Skyline, MAN Tung Road|[Lwb] Coastal Skyline|[Nlb] Coastal Skyline

      ??

      [Ctb] Caribbean Coast Phase 2, MAN Tung Road|[Lwb] Caribbean Coast Phase 2|[Nlb] Caribbean Coast Phase 2

      ??

      [Ctb] Caribbean Coast Phase 1, MAN Tung Road|[Lwb] Caribbean Coast Phase 1|[Nlb] Caribbean Coast Phase 1

      ??

      [Ctb] Ying HEI Road|[Lwb] Ying HEI Road|[Nlb] Ying HEI Road

      ??

      [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

      ??

      [Ctb] Tung Chung Fire Station, Shun Tung Road|[Lwb] Tung Chung Fire Station|[Nlb] Tung Chung Fire Station

      ??

      [Ctb] Tung Chung Crescent, Shun Tung Road|[Lwb] Tung Chung Crescent

      ??

      [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

      ??

      [Ctb] Cathay Pacific City (East), East Coast Road

      ??

      [Ctb] Gate House No.2, Cheong LIN Road|[Lwb] Cheong LIN Road|[Nlb] Gate House NO. 2

      ??

      [Ctb] CAR Park One, Cheong TAT Road|[Lwb] CAR Park 1, Cheong TAT Road

      ??

      [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

      ??

      [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

      ??

      [Ctb] Airport (Ground Transportation Centre)|[Lwb] Airport (GTC) BUS Terminus

      02:1303:13
      Times marked with "?" indicate that the exact arrival time is unknown.

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

      [Ctb] Airport (Ground Transportation Centre)|[Lwb] Airport (GTC) BUS Terminus05:00
      [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?
      [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?
      [Ctb] Cathay Pacific City, Chun Ming Road|[Lwb] Cathay Pacific City|[Nlb] Cathay City?
      [Ctb] Airport Police Station, Catering Road West|[Lwb] Airport Police Station?
      [Ctb] Chun WAN Road South, Chun WAN Road|[Lwb] Chun WAN Road South|[Nlb] Chun WAN Road South?
      [Ctb] Airport Freight Forwarding Centre, Chun WAN Road|[Lwb] Airport Freight Forwarding Ctr.|[Nlb] Airport Freight Forwarding Centre?
      [Ctb] Asia Airfreight Terminal, Chun Ping Road|[Lwb] Asia Airfreight Terminal|[Nlb] Asia Airfreight Terminal?
      [Ctb] Chek LAP KOK South Road|[Lwb] Chek LAP KOK South Road|[Nlb] Chek LAP KOK South Road?
      [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?
      [Ctb] FU Tung Plaza, TAT Tung Road|[Lwb] FU Tung Plaza|[Nlb] FU Tung Plaza?
      [Ctb] YU Tung Court, Shun Tung Road|[Lwb] YU Tung Court|[Nlb] YU Tung Court?
      [Ctb] North Lantau Hospital, Chung YAN Road|[Lwb] North Lantau Hospital|[Nlb] North Lantau Hospital (South Bound)?
      [Ctb] Seaview Crescent, WAI Tung Road|[Lwb] Seaview Crescent|[Nlb] Seaview Crescent?
      [Ctb] Coastal Skyline, MAN Tung Road|[Lwb] Coastal Skyline|[Nlb] Coastal Skyline?
      [Ctb] Caribbean Coast Phase 2, MAN Tung Road|[Lwb] Caribbean Coast Phase 2|[Nlb] Caribbean Coast Phase 2?
      [Ctb] Caribbean Coast Phase 1, MAN Tung Road|[Lwb] Caribbean Coast Phase 1|[Nlb] Caribbean Coast Phase 1?
      [Ctb] Ying HEI Road|[Lwb] Ying HEI Road|[Nlb] Ying HEI Road?
      [Ctb] Lantau Link BUS-BUS Interchange|[Lwb+Ctb] Lantau Link Interchange/<Br>Lantau Link BUS-BUS Interchange|[Lwb] Lantau Link Interchange?
      [Ctb] Ching WAH Court, Tsing YI Road West|[Kmb] Ching WAH Court|[Lwb] Ching WAH Court?
      [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?
      [Ctb] Kwai Chung Interchange, Kwai Chung Road|[Kmb] Kwai Chung Interchange?
      [Ctb] MEI Foo, Cheung SHA WAN Road|[Kmb] MEI FOO Bbi?
      [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?
      [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?
      [Ctb] Cheung SHA WAN Station, Cheung SHA WAN Road|[Kmb] UN Chau Estate?
      [Ctb] YEE KOK Court, Cheung SHA WAN Road|[Kmb] KIU Kiang Street Sham Shui Po?
      [Ctb] YEN Chow Street, Cheung SHA WAN Road|[Kmb] YEN Chow Street Sham Shui Po?
      [Ctb] Sham Shui PO Station, Cheung SHA WAN Road|[Kmb] PEI HO Street Sham Shui Po?
      [Ctb] Wong Chuk Street, Cheung SHA WAN Road|[Kmb] Wong Chuk Street Sham Shui Po?
      [Ctb] Mong KOK Police Station, Nathan Road|[Kmb] Mongkok Police Station?
      [Ctb] Argyle Centre, Nathan Road|[Kmb+Ctb] Mong KOK Station, Argyle Centre/<Br>Argyle Centre, Nathan Road|[Kmb] Mong KOK Station, Argyle Centre?
      [Ctb] Bank Centre, Nathan Road|[Kmb+Ctb] Nelson Street Mong KOK/<Br>Bank Centre, Nathan Road|[Kmb] Nelson Street Mong Kok?
      [Ctb] Sino Centre, Nathan Road|[Kmb] SOY Street Mong Kok?
      [Ctb] Pitt Street, Nathan Road|[Kmb] Pitt Street YAU MA Tei?
      [Ctb] Wing Sing Lane, Nathan Road|[Kmb] Wing Sing Lane YAU MA Tei?
      [Ctb] Nathan Hotel, Nathan Road|[Kmb] Saigon Street YAU MA Tei?
      [Ctb] Prudential Centre, Nathan Road|[Kmb] TAK Shing Street Tsim SHA Tsui?
      [Ctb] Kimberley Road, Nathan Road|[Kmb] Kimberley Road, Mira Place?
      [Ctb] Cameron Road, Nathan Road|[Kmb] Cameron Road, Kowloon Mosque?
      [Ctb] Middle Road, Nathan Road|[Kmb] Tsim SHA Tsui BBI - Middle Road?
      [Ctb] Tsim SHA Tsui (Star Ferry)|[Kmb] Star Ferry07:03
      Times marked with "?" indicate that the exact arrival time is unknown.
      Times marked with "?" indicate that the exact arrival time is unknown.
      Last updated on April 2, 2026
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      Route Path (Streets & Roads)

      Outbound: [Ctb] Tsim SHA Tsui (Star Ferry)|[Kmb] Star Ferry – [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
      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
      All data is available in GTFS feed: kong-en

      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) Please Inquire With THE Operator About THE Payment Arrangement OF THE TWO-WAY Fare ON This Route.) 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) Please Inquire With THE Operator About THE Payment Arrangement OF THE TWO-WAY Fare ON This Route.) 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) Please Inquire With THE Operator About THE Payment Arrangement OF THE TWO-WAY Fare ON This Route.) bus stop.

      N21a (Mong Kok Buses)

      The first stop of the N21a bus route is [Ctb] Tsim SHA Tsui (Star Ferry)|[Kmb] Star Ferry 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) Please Inquire With THE Operator About THE Payment Arrangement OF THE TWO-WAY Fare ON This Route.)) is operational during everyday.

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

      See why over 2 million users trust and consider busmaps.com as the best public transport website. busmaps gives you Mong Kok Buses suggested routes, real-time bus tracker, line route maps in Mong Kok, and helps to find the closest N21a bus stops near you. No internet available? Download an offline PDF map and bus schedule for the N21a bus to take on your trip.

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