Finding cheap flights from Halifax to Europe depends on various factors, including the time of year, how far in advance you book, and the specific destination in Europe. Generally, it's recommended to be flexible with your travel dates, use flight comparison websites or apps, and consider budget airlines. Keep an eye on promotions and sales, and try to book your flight well in advance to secure the best prices. Additionally, consider flying into major European hubs, as they often offer more competitive fares. Remember that direct flights may be more convenient but can sometimes be pricier than flights with layovers.