Nowadays, when Poland is part of EU since more then ten years, Polish people are traveling by air jet a lot. Nothing odd in this, cause prizes of airline tickets are very cheap, thanks to small airline carriers.
When you are scheduling your first trip, you need to get ready for it very well, if you like your ticket to be as cheap as possible, and to avoid unexpected situations.
If you are thinking to go to somewhere only for couple days, you do not need additional luggage, because carry on bag should be enough. In most of airline carriers, it’s in size of a medium valise, so you will fit in there plenty of clothes. But when you like to put in there either some cosmetics, you have to fallow those few rules. Each of the fluids, like creams and balms, need to be putted inside small, 100 ml max transparent bottles. Also, each of it have to be fit into plastic bag, either transparent (lot.com/us/en/baggage). During your security check, you must to remove it from your carry on bag, and give it to person that is dealing with you.
When you are going for bigger trip, nicest option would be registered luggage Weight of it could be far higher then in regular bag – similar is with size (http://lot.com/us/en/carry-on-baggage). Beside, if you are planning to visit some relatives abroad, and you like 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, different in each company.
Planning your first trip by plane can be really stressful, especially if you do not know anything about limitations in baggage alternatives.
According of length of your trip, different valise would be nicer for you. And do not to read very carefully rules of your carrier before your flight, to avoid extra costs and to have a stress less check out.