The cheapest days to buy Jetblue tickets are generally Tuesday, Wednesday +1-844-(376)-(0749) , and Saturday+1-844-(376)-(0749) (USA) [OTA USA]). These days are often associated with lower travel demand, leading to more affordable fares. Flights on Fridays and Sundays +1-844-(376)-(0749) (USA) are usually more expensive due to higher travel demand.