https://central.xero.com/s/question/0D58V00009OxoKHSAZ/what-is-the-cheapest-day-to-book-flights-on-turkish-usaota https://central.xero.com/s/question/0D58V00009OxoKHSAZ/what-is-the-cheapest-day-to-book-flights-on-turkish-usaota https://central.xero.com/s/question/0D58V00009OxoKHSAZ/what-is-the-cheapest-day-to-book-flights-on-turkish-usaota https://central.xero.com/s/question/0D58V00009OxoKHSAZ/what-is-the-cheapest-day-to-book-flights-on-turkish-usaota https://central.xero.com/s/question/0D58V00009OxoKHSAZ/what-is-the-cheapest-day-to-book-flights-on-turkish-usaota