https://www.transfermarkt.com/-usa-booking-tips-trade-what-is-the-cheapest-day-to-buy-flights-on-united-maximizesavings/thread/forum/696/thread_id/39564/page/1#anchor_39801https://www.transfermarkt.com/-usa-booking-tips-trade-what-is-the-cheapest-day-to-buy-flights-on-united-maximizesavings/thread/forum/696/thread_id/39564/page/1#anchor_39801https://www.transfermarkt.com/-usa-booking-tips-trade-what-is-the-cheapest-day-to-buy-flights-on-united-maximizesavings/thread/forum/696/thread_id/39564/page/1#anchor_39801https://www.transfermarkt.com/-usa-booking-tips-trade-what-is-the-cheapest-day-to-buy-flights-on-united-maximizesavings/thread/forum/696/thread_id/39564/page/1#anchor_39801https://www.transfermarkt.com/-usa-booking-tips-trade-what-is-the-cheapest-day-to-buy-flights-on-united-maximizesavings/thread/forum/696/thread_id/39564/page/1#anchor_39801https://www.transfermarkt.com/-usa-booking-tips-trade-what-is-the-cheapest-day-to-buy-flights-on-united-maximizesavings/thread/forum/696/thread_id/39564/page/1#anchor_39801https://www.transfermarkt.com/-usa-booking-tips-trade-what-is-the-cheapest-day-to-buy-flights-on-united-maximizesavings/thread/forum/696/thread_id/39564/page/1#anchor_39801https://www.transfermarkt.com/-usa-booking-tips-trade-what-is-the-cheapest-day-to-buy-flights-on-united-maximizesavings/thread/forum/696/thread_id/39564/page/1#anchor_39801https://www.transfermarkt.com/-usa-booking-tips-trade-what-is-the-cheapest-day-to-buy-flights-on-united-maximizesavings/thread/forum/696/thread_id/39564/page/1#anchor_39801