From airport (blue pin) via Taxi:

The apartment is a 15 minute taxi journey from terminal 1 at Nice Airport and should cost around 25 Euros.

From airport (blue pin) via Bus:

The apartment is also only a 20 minute journey via an affordable regular bus service from terminal 1 along the Promenade Des Anglais with buses leaving every 10 minutes. The buses themselves are modern and comfortable with plenty of luggage space. To ride the bus you buy a daily ticket for 4 Euros per person which has the benefit of giving you a full days unlimited travel around the Nice area.

From the Station (green pin):

The apartment is in 20 minutes walking distance (there is a link to a printable map above) from the Gare De Nice, or alternatively a taxi costs around 25 Euros.