https://www.transfermarkt.com/-faq-united-what-is-the-cheapest-day-to-buy-flights-on-united-cheap-flights-/thread/forum/696/thread_id/36482/page/1#anchor_36707https://www.transfermarkt.com/-faq-united-what-is-the-cheapest-day-to-buy-flights-on-united-cheap-flights-/thread/forum/696/thread_id/36482/page/1#anchor_36707https://www.transfermarkt.com/-faq-united-what-is-the-cheapest-day-to-buy-flights-on-united-cheap-flights-/thread/forum/696/thread_id/36482/page/1#anchor_36707https://www.transfermarkt.com/-faq-united-what-is-the-cheapest-day-to-buy-flights-on-united-cheap-flights-/thread/forum/696/thread_id/36482/page/1#anchor_36707https://www.transfermarkt.com/-faq-united-what-is-the-cheapest-day-to-buy-flights-on-united-cheap-flights-/thread/forum/696/thread_id/36482/page/1#anchor_36707https://www.transfermarkt.com/-faq-united-what-is-the-cheapest-day-to-buy-flights-on-united-cheap-flights-/thread/forum/696/thread_id/36482/page/1#anchor_36707https://www.transfermarkt.com/-faq-united-what-is-the-cheapest-day-to-buy-flights-on-united-cheap-flights-/thread/forum/696/thread_id/36482/page/1#anchor_36707https://www.transfermarkt.com/-faq-united-what-is-the-cheapest-day-to-buy-flights-on-united-cheap-flights-/thread/forum/696/thread_id/36482/page/1#anchor_36707https://www.transfermarkt.com/-faq-united-what-is-the-cheapest-day-to-buy-flights-on-united-cheap-flights-/thread/forum/696/thread_id/36482/page/1#anchor_36707