1. Taiwan Taoyuan International Airport to Nội Bài International Airport
Airport (TPE to HAN) Total Flight Time: 3 Hours
VietJet Air
Bamboo Airways
China Airlines
Vietnam Airlines
2. Nội Bài International Airport to Hanoi Downtown Area
The best transportation for airport is bus#86. It takes 40 to 60 minutes between airport and downtown. The bus fare is VND 35k dollars.
Bus#86 Bus (airport to downtown) Business Hours6:25 - 23:05

Nội Bài Terminal 1 –> Nội Bài Terminal 2 –> VAECO Company –> Au Co – Lac Long Quan (523 Au Co str) –> Au Co – Xuan Dieu stop –> bus stop at intersection Yen Phu – Cua Bac –> Long Bien Transpoint Station –> 142 Tran Quang Khai –> Hanoi Opera House –> Hanoi Melia Hotel –> Hanoi Train Station                                                                                                                                                                                                                   
Bus#86 Bus (downtown to airport) Business Hours5:05 - 21:40

Hanoi Train Station –> bus stop opposite the Melia Hotel –> Hanoi Post Office (Buu Dien Hoan Kiem Lake) –> 23 Hang Tre St. –> Long Bien Transpoint Station (E11) –> bus stop at intersection Yen Phu – Cua Bac –> bus stop at intersection Au Co – Xuan Dieu –> Au Co – Lac Long Quan (468 Au Co St.) –> VAECO Company –> Nội Bài Terminal 1 –> Nội Bài Terminal 2
Source: https://blog.kkday.com/44837/asia-vietnam-hanoi-transportation

3. Hanoi Downtown Transportation
There are two taxi companies in Hanoi: Hanoi Tourist and Mai Linh (in green color). In general, taxi fare is charged by meter. Make sure you tell the driver to turn on the meter when you get in the taxi.

In urban area, Grab usually have five types of Grab: sedan (Grab 4 Chỗ), premium sedan (Grab Plus), motorcycle taxi (Grab Bike), mini van (Grab 7 Chỗ), and cooperation relationship with exterior taxies (Grab Taxi). You can choose your transportation depending on your luggage size or the number of passengers. If you want to experience special Vietnam motorcycle or in a rash, try the motorcycle taxi!

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