There are several airports in the region that can be interesting for you to fly on. Easiest connections can be found from Eindhoven Airport and Amsterdam Schiphol Airport.
This airport is known as the airport for low-budget airlines in The Netherlands. Ryanair and Wizzair are both good flight traveling options. You can take the bus from the airport to the train station of Eindhoven called Eindhoven Centraal. This is the bus with number 400 and 401. From the station, it’s possible to take the train to Utrecht Central Station. The costs of this trip by bus and train will be a little below €20,-.
Amsterdam Schiphol Airport
This is the main international airport for The Netherlands and the 3rd largest airport in Europe. There are flights to all European countries. If you book early, flights can be very affordable. From Schiphol you can take the train to Utrecht Central Station, which will cost around €9,-.
Rotterdam The Hague Airport
Over 40 destination can be reached from this Airport. It’s located in the west of the Netherlands. From Rotterdam Airport you can take the bus to Rotterdam Central Station. From there several trains departure to Utrecht Central Station. The costs of this travel will be around €13,-.
Travel planner 9292
For planning your travel with public transport within The Netherlands the site and app of 9292 can be very helpful.