"Passengers can easily reach Ferihegy Terminal 1 from the Western Railway Station in Budapest. On weekdays 51 and at weekends 38 trains ease the travelling from the city center to the airport within less than half an hour for 300 HUF.There are 60 trains on weekdays and 45 at weekends from the airport to the city center.
Arriving travellers can buy their tickets at Tourinform at Terminal 1 from 09.00 to 22.00 or at platform B at the railway station from the ticket vending mashine.
The two platforms of the railwaystation are connected to the Airport Terminal with a pedestrian footbridge equipped with lifts above the clearway. A short pedestrian path of just 200 meters takes the passengers from the terminal to the railway station.
Travellers who would like to get to 2A or 2B terminals can travel by bus 200E from there.
You can find the train schedule at the web site of MÁV-START, the Hungarian railway company."
Source: Budapest Airport
05.10.2009