glasgow international airport () (used to be called glasgow abbotsinch airport) is an international airport in scotland. it is west of the glasgow city centre. the airport is near paisley and renfrew in renfrewshire. in 2011, almost 6.9 million passengers passed through the airport. this was 5.1% more than 2010. this makes glasgow the second busiest airport in scotland (edinburgh airport is the busiest). it is also the eighth busiest airport in the united kingdom. glasgow airport is the primary airport of greater glasgow.