When it comes to budget airlines outside of Europe, Asia offers several notable options like AirAsia and Scoot, which can be quite affordable for hopping across different countries. In North America, Southwest and Frontier are popular choices, while in Latin America, look into Volaris and Viva Air.
A key tip for finding the best deals is to book well in advance and remain flexible with your dates, as prices can fluctuate greatly. Always pay attention to baggage policies and additional fees, as these can add up quickly if you're not careful. For the best experience, use fare comparison websites and set up price alerts. Do you have any specific regions or routes in mind? I can share more detailed advice based on that!