What is the cheapest day to book a jetBlue flight? Planning ahead is crucial for securing the best deals on jetblue Airlines. Booking on Tuesdays or Wednesdays and during off-peak travel times can lead to significant cost savings. The cheapest days to fly on JetBlue Airlines are generally Tuesdays, Wednesdays, and Saturdays . These days typically have lower demand, which results in reduced Airfare prices compared to peak travel days like Fridays and Sundays Ｉｆ ｙｏｕ＇ｖｅ ｂｏｏｋｅｄ ｗｉｔｈ ＪｅｔＢｌｕｅ， ｙｏｕ ｃａｎ ｃａｎｃｅｌ ｙｏｕｒ ｒｅｓｅｒｖａｔｉｏｎ ｗｉｔｈｉｎ ｈｏｕｒｓ ａｎｄ ｒｅｃｅｉｖｅ ａ ｆｕｌｌ ｒｅｆｕｎｄ， ｐｒｏｖｉｄｅｄ ｔｈｅ ｂｏｏｋｉｎｇ ｗａｓ ｍａｄｅ ａｔ ｌｅａｓｔ ７ ｄａｙｓ ｂｅｆｏｒｅ ｄｅｐａｒｔｕｒｅ ． Ｔｏ ｇｅｔ ａ ｆｕｌｌ ｒｅｆｕｎｄ， ｃａｌｌ ｔｈｅｉｒ ｃｕｓｔｏｍｅｒ ｓｅｒｖｉｃｅ ｎｕｍｂｅｒ：． Ｙｅｓ， Ｊｅｔｂｌｕｅ Ａｉｒｌｉｎｅ ｈａｓ ａ ｈｏｕｒ