JetBlue Standard Ticket Change Policy

The majority of flight rates do not charge a change fee, so passengers who are open to a change can relax.
According to the JetBlue flight change policy, there is no change fee for reservations made before June 7th, 2021, for travel between August 25 and October 31, 2021.
Additionally, a Change Flight Fee of $100 USD per person will be charged for any flights booked on or after June 8, 2018, through August 24, 2019, and after November 1, 2021.
Routes between the USA, Mexico, Central America, or the Caribbean are subject to this tax. On all other routes, however, this price is 200 USD per person.
Under its accommodating 24-hour change policy, JetBlue doesn't charge its customers anything. When they make a request less than 24 hours after the reservation time.
The terms and conditions of their ticket, however, require the customers to pay any fare differences.

Also read : Southwest flight change policy