If you're in a group, go socialize with other groups, you guys are all traveling and that's a foot in the door already. If you're alone, approach someone alone because not only are you traveling, you are also both traveling solo. It helps tremendously, as well, if a hostel has activities that bring people together.

The most successful way to meet people in a hostel is to focus on socializing in common areas like the kitchen, bar, or lounge. Start by asking open-ended questions about their travels, such as "Where are you headed next?" or "Do you have any recommendations for this city?" Hostels are designed for community, so joining organized events like pub crawls, walking tours, or communal dinners is a natural, low-pressure way to interact. Avoid being overly aggressive or "pick-up" focused; instead, aim to be a helpful and interesting fellow traveler. Shared experiences, like cooking a meal together or navigating a local market, build a better rapport than canned lines. Always be respectful of personal space and read social cues, as many travelers are simply looking for friendly platonic company.