Cheap flight deals refer to low-priced airfare offers made available by airlines or travel agencies. These deals can be seasonal or last-minute promotions, bulk-purchase discounts, or limited-time offers. They provide an opportunity for travelers to save money on air travel and book flights at a reduced cost. Cheap flight deals can be found by searching various travel websites, signing up for email notifications from airlines, or by following travel deal aggregators on social media. However, it is important to note that these deals may have certain restrictions such as limited availability, blackout dates, and restrictions on cancellations or changes.