This involves booking a flight with a layover in your actual destination and simply getting off there. (Note: Use this cautiously, as airlines dislike it, and you cannot check bags).
Use tools like Google Flights or Skyscanner to search for "Everywhere" as your destination. This allows the price to dictate your location rather than the other way around. how to buy cheap plane tickets
The single most effective way to save money is to be flexible with your dates and destinations. This involves booking a flight with a layover