Noi Bai airport to Hanoi city center by public bus

There are 2 puclic buses connect Noi Bai airport to Hanoi , It takes 1 hours to 1,5 hours to get to Hanoi city center from Noi Bai airport, It is good condition bus,polite drivers and staff
Convenient : Cheap
Inconvenient : Crowded ,take long time , need to get taxi from bus station to hotel

Bus number 17 : Long Bien station - Noi Bai airport (This bus to Hanoi old quarter)
Operating time : 17/21 buses = 188 time/day
Bus type : TRANSINCO B80, 80 seaters
Distance : 34,7 km
Bus time : from 5h00 to 20h30 (5h05 - 22h30)
Operating frequency : 10 - 15 minutes/time
Fare : 7.000 VND/tickets/person/time

Bus route :
+ Long Bien -> Noi Bai airport : Long Biên bus station - Yên Phụ street - Trần Nhật Duật street - Chương Dương bridge - Nguyễn Văn Cừ street - Ngô Gia Tự street - Đuống bridge - National road 3 - Dốc Vân - Cổ Loa - Đông Anh - Nguyên Khê - Phủ Lỗ - National road 2 - Noi Bai airport

+ Noi Bai airport -> Long Bien : Nội Bài airport (Parking Lot P3) - National road 2 - Phủ Lỗ - Nguyên Khê - Đông Anh - Cổ Loa - Dốc Vân - National road 3 - Đuống bridge - Ngô Gia Tự street - Nguyễn Văn Cừ street - Chương Dương bridge - Trần Nhật Duật street- Yên Phụ street - Long Biên station

Bus number 07 : Cau Giay street - Noi Bai airport (around 10 km from Hanoi old quarter)
Bus time : from 05h00 - 21h00 (5h30-22h30) 
Operating frequency : 5 - 10 - 15 - 20 phút/chuyến
Fare : 9.000 VND/tickets/person/time

Bus route :
+ Cau Giay -> Noi Bai airport : Cầu Giấy parking lot - Cầu Giấy street - Trần Đăng Ninh street - Nguyễn Khánh Toàn street - Nguyễn Văn Huyên street - Hoàng Quốc Việt street - Phạm Văn Đồng street - Thăng Long bridge - Võ Văn Kiệt street - Nội Bài airport (Parking lot P2, Station T1)

+ Noi Bai airport -> Cau Giay : Nội Bài airport (Parking Lot P2, Station T1) - Võ Văn Kiệt street - Thăng Long bridge - Phạm Văn Đồng street - Hoàng Quốc Việt street - Nguyễn Văn Huyên street - Nguyễn Khánh Toàn street - Trần Đăng Ninh street - Cầu Giấy - Cầu Giấy parking lot