Have you decided that your next holiday will be to Reus, and now you're looking for flights from Glasgow to Reus? With over 100 destinations served by Glasgow Airport, finding a flight shouldn't be a problem. The only thing you have to think about is when you want to go to Reus, keeping in mind that mid-week, early morning and late night flights are the cheapest, and that if you're looking to go away during a high tourist season, such as summer or over school holidays, then you'll want to book your flights far in advance. Something else to check before you book your Glasgow to Reus flights is the airline's baggage allowance, as this can vary and overweight baggage often incurs expensive costs.
As far as getting to Glasgow airport for your flight to Reus is concerned, Glasgow is the only airport in Scotland with direct motorway access and is well served by public transport for access to Glasgow city centre and further across Scotland. So on the day of your Reus flight you have the choice of driving yourself, although it's best not to as parking fees can be rather steep, or taking a bus or even the train to Paisley Gilmour street and hopping on the McGill's 757 bus service connection the station to the airport.
Lastly, before you leave to Reus, have you remembered to check the visa requirements? You may not need one but it's always best to double check, you wouldn't want to arrive in Reus only to be sent straight back home and finally when packing it's always a good idea to check the weather forecast in Reus, and pack accordingly.