We know that packing can be one of the most stressful parts of traveling. We've all been there: you arrive at the airport, check in your luggage, and suddenly, the agent tells you your bag is over the weight limit. Now, you're left with two choices: pay extra fees or start layering on all your sweatshirts.

What makes it worse is that every airline has different baggage rules. Some include checked baggage in the ticket price, while others will charge you for breathing if they could (looking at you, Ryanair). To save you from unexpected fees, we’ve put together this ultimate airline baggage guide, with some of the major airlines operating in Europe.