Based on an analysis of KAYAK details for all flights departing from within U.s. over the past 12 months, the cheapest working day to fly for domestic flights is Thursday. For international flights, Tuesday had the cheapest tickets on average. Lookup low-cost flights with KAYAK. Search for the cheapest airline https://cheapflights06160.theideasblog.com/33399955/cheapest-flights-for-dummies