Madrid airport (MAD) is a very good possibility because it is well communicated with Ourense by train (4 hours).
The two closest (about 100km) international airports to Ourense are: Santiago (SCQ) and Vigo (VGO).
From Madrid to Ourense:
The Airport is connected by Metro with the railway “Chamartín” station, it takes about 45-50 min and the cost is 4.5-5 euros (or you can also take a taxi).
Train Madrid-Ourense: It takes about 4h. You can buy the ticket in renfe.com. The ticket price (one-way) ranges from 18 euros in tourist and 59 in business. It is possible to take a round ticket (72 euros).
On Friday June 16th, 2017, at 12h, an event will take place in Madrid in which Prof. Joe Monaghan will be designated Honorary PhD by the Technical university of Madrid (UPM). SPH researchers are more than welcome to the event. Those interested can contact Antonio Souto-Iglesias at email@example.com for details. In order to travel to Madrid on Thursday June 15th, last train from Ourense to Madrid is at 17h53m.
From Santiago airport to Ourense:
There is a Bus route between the Airport and Santiago, stopping at different points in the city, including the railway and bus station. Taxi is another possibility (21 euros).
Train Santiago-Ourense takes 38 min. More information in renfe.com.
From Vigo airport to Ourense:
In this case the best option is to take a taxi, the price is about 100 euros (one way) and it takes about 1 hour.
Once in Ourense: the best option is to take a taxi to your hotel, about 5-7 euros.