New from JetBlue
No change or cancel fees starting 4/1/21 for most fares.
All fares booked through 3/31/21 will still enjoy no change or cancel fees. After that, changing or cancelling your plans will still be easy, with:
No change or cancellation fees prior to day of travel for Blue, Blue Plus and Mint fares on all routes (fare difference applies). Same-day confirmed switches can be made for $75, without paying a fare difference.
No change or cancellation fees (fare difference applies), and free same-day confirmed switches, for Blue Extra fares.
Blue Basic fares can be changed or cancelled for a $100 fee for travel within the U.S., Caribbean, Mexico or Central America, or $200 for all other routes. Same-day confirmed switches can be made for a $75 fee (no fee for Mosaic members), without paying a fare difference.