There's no train connection with Chongqing Airport.
Car and bus
Chongqing Airport is situated 21 kilometers north of the city center. The airport is easily accessible by rental car via the Airport Expressway (a toll road) which leads from the ring road to the airport.
Every 30 minutes a bus leaves from the airport to Chongqing with stops at the Jiazhou garden, the Shangqing temple, the Coral Park and the Foreign Trade Building. A bus ticket costs 15 yuan. You can buy your ticket at the Ticket Reservation Center in the Arrivals Hall.
Car rental Chongqing Jiangbei Airport
In the Arrivals Hall there are only counters of Chinese car rental companies. In most cases they rent out chauffeur-driven cars.
Outside the Arrivals Hall there are taxis from different companies (Tel. +86(0)23 6715 3191, +86(0)23 6715 2274 or +86(0)23 6715 2151). Set rates apply for various destinations; these are indicated on a sign. Make sure to clearly agree on a price with the taxi driver. A ride to Chongqing's train station should cost approximately 70 yuan.
There are parking lots near the new (domestic) and old terminals; there's also a fairly small parking garage underneath the new terminal. To park outside you pay 8 yuan for the first hour, and subsequently 2 yuan per half hour with a maximum of 30 yuan a day. More information about parking via +86(0)23 6715 2266.