Flight fare guidesEach guide is computed from the fares behind the route pages, with the method and the limits written out.GuidesWhen are flights cheapest? The cheapest month on 28 routesDec 2026 is the cheapest month on 13 of 28 routesDirect or one stop: what the fare difference buysOn 11 routes that show both, direct fares run 42% above fares with stops