Right now, when Poland is member of European Union since more then 10 years, Polish citizens are traveling by air jet a lot. Nothing odd in this, cause prizes of airline tickets are very cheap, because of small airline carriers.
if you are scheduling your first flight, you need to prepare for it really well, if you like your seat to be as cheap as affordable, and to avoid unexpected situations.

When you are planning to go to anywhere just for several days, you do not need extra luggage, because carry on bag should be enough. In many of airline companies, it’s in dimension of a medium valise, so you will fit in there plenty of clothes. But if you want to put in there either some cosmetics, you need to fallow those couple rules. Any of the fluids, like creams or balms, must to be putted inside small, 100 ml tops transparent bottles. Beside, each of it need to be fit inside plastic bag, either transparent (tips). During your security check, you need to remove it from your carry on bag, and give it to person that is dealing with you.

Źródło: www.sxc.hu
When you are planning bigger trip, the best option will be checked in luggage Weight of it could be a lot higher then in regular bag – similar is with size (more helpful hints on). Beside, if you are thinking to visit some friends abroad, and you want to give them some Polish liquors and meals, you are able to put it up there – it is impossible with carry on option. Another thing you have to think of, is luggage weight. Of course, it could be bigger then normal, but there is still some limitation, various in each company.
Planning your first journey by plane can be very stressful, mostly if you do not know a thing about rules in baggage options.
Depending on length of your trip, various bag will be nicer for you. And remember to read very carefully rules of your carrier before your flight, to avoid extra costs and to have a stress less check out.