Airport at the VVV office in Groningen, or book (and print) online. Prices vary depending on the hour of the day.
Also the direct bus to Lelystad, via Heerenveen, Lemmer and Emmeloord, operated by Arriva, leaves there.
By car
Driving in the old city, particularly within the central canal ring, is not the best option; parking is not always easy to find, and none of it is free.
There are several Park & Ride facilities; once of the biggest is on Sontweg, to the east of the city and near IKEA. It is clearly marked when driving on the ring road. Parking there is free, and for 1,50 euro a regular bus service takes you right to (and from) the Grote Markt, the heart of the city
