That's going to depend on your price range. you can get a master airbrush kit with a compressor pretty cheap but the compressor is going to be pretty bad and the airbrush will be serviceable at best. If you have a few hundred to spend i would recommend either an Iwata Neo, Iwata Revolution or a Badger Patriot 105. for a compressor i got a cheap one off amazon with a tank, it works great for occasional airbrushing but may not last if you are airbrushing daily. a larger needle may be the way to go as well if you are going to be painting large areas. spraygunner..com is also a good source for airbrush things.

https://www.amazon.com/Master-Airbrush-Multi-Purpose-Airbrushing-Compressor/dp/B00BF0MW9G https://www.amazon.com/gp/product/B01M33C8MV https://www.amazon.com/NEO-Gravity-Feed-Action-Airbrush/dp/B004INERK4/ https://www.amazon.com/Badger-Air-Brush-Co-Patriot-Airbrush/dp/B002W84GTO/

From personal experience I prefer a gravity fed airbrush than a siphon fed. Easier clean up and paint usage. I use the iwata neo and a compressor that came with an airbrush just to get used to using it before I started using the iwata.

Link:iwata neo https://www.amazon.com/dp/B004INERK4?ref=ppx_pop_mob_ap_share

Compressor https://www.amazon.com/dp/B00MDXGM5Y?ref=ppx_pop_mob_ap_share

Hope this helps and welcome to the hobby!