You can get from Munich Airport to city centre by train, bus, or transfer. Timetables can be found here.
If you want to get to Munich city centre by rail, take an electric train (S-Bahn) on line S1 or S8. The Munich Airport train cost is from 11.6 EUR, the travel time is 50 minutes. The ticket cost depends on the distance you are going to cover: for example, a ticket for one day will cost 13 EUR. Children under 6 years old travel for free, children aged 6-14 – according to special tariffs (prices start from 1.3 EUR). Tickets are sold before the descend to the train platform: you need to find a stand with the sign DB or a red ticket machine. Tickets don't need to be validated. Study the train timetable carefully – electric trains depart from the platform right at specified time.
The Munich Airport bus service is operated by Lufthansa Airport Bus. The bus fare is 10.5 EUR, the trip duration is 40-45 minutes. Tickets for the shuttle can be bought online or at the stand inside the airport building. If you have any questions concerning the route, you can find the detailed timetable at the bus stops.
If you don't have time or don't want to book tickets and check timetables, you can take private Munich Airport transfers. You just need to order a vehicle on the website. The driver will not only meet you at specified times, but also help you with your luggage and take you to your destination faster. The duration of the trip by Munich Airport taxi is 1 hour 5 minutes, the journey cost starts at 78 EUR.