Flight Sale Guide: Find the Cheap Fares That Actually Apply

Saw a flight sale, searched your dates and the price barely moved? Before you come for us in the comments, check the travel dates. A flight sale doesn’t make every seat on every flight cheaper. Airlines choose the routes, travel periods and number of discounted seats included in each deal. For our Birthday Sale from 25–28 August 2026, here’s exactly which airlines are on sale, when to book and when you can travel. Photo by Eva Darron on Unsplash How does a flight sale work? There are two dates to remember: Sale dates: when you need to book and pay. Travel dates: when you can actually fly on the discounted fare. So a sale running from 25–28 August could include flights in September, November or even February next year. Search outside the airline’s qualifying dates and you may see the normal fare. The sale hasn’t vanished. Your dates just aren’t part of it. Why might the sale fare not show? Usually because: Your route or travel dates aren’t included. You’re travelling during a blackout period. The cheapest sale seats have sold out. The discount only applies on certain departure days. The airline requires you to book a set number of days ahead. The percentage discount applies to the b...