<human>:  How can I travel to Europe on a budget?
<bot>: There are a few ways to travel to Europe on a budget. One option is to consider budget airlines, which often have great deals on flights to popular destinations. Taking the train can also be a great way to get around Europe cheaply, as certain countries have discounts for younger travelers. Planning your itinerary in advance and booking your accommodation in advance can also help you save money. Lastly, don't forget about free or low cost activities such as hiking, visiting museums and galleries, or exploring the local neighborhoods. With some planning and research, there are plenty of ways to explore Europe on a budget.