All Fares (Blue Basic, Blue, Blue Plus, Blue Extra, Mint): One carry-on bag, max 22 x 14 x 9 in (55.88 x 35.56 x 22.86 cm, including handles and wheels), plus one personal item (e.g., purse, laptop bag, pet carrier), max 17 x 13 x 8 in (43.2 x 33 x 20.32 cm), must fit under the seat. No weight limit, but must be liftable to overhead bin unassisted.
Infants (under 2 years, lap): No separate carry-on allowance, but one diaper bag, stroller, and car seat allowed free, plus adult’s carry-on items.
Liquids, Aerosols, Gels (LAGs): Containers up to 100 ml in a 1-liter transparent, resealable plastic bag (total volume ≤ 1 liter).
Notes: As of September 6, 2024, Blue Basic includes one free carry-on bag. Overhead bin space guaranteed for Blue, Blue Extra, Mint, or Even More Space seats; otherwise, gate-checking may apply ($65 for 1st/2nd bag, $180 for 3rd). Strict size checks at airports like JFK, BOS, or LAX; Reddit users report leniency for slightly oversized bags (<1 in) if not overpacked. Bulkhead seats lack under-seat storage during takeoff/landing.
Checked Baggage
Max Limits: Each bag up to 50 lbs (22.68 kg), max 62 in (157.48 cm, length + width + height). Bags 51–99 lbs (23–45 kg) or 63–80 in (158–203 cm) incur fees; over 99 lbs or 80 in not accepted. Exceptions: 50 lbs max for Dominican Republic, Haiti, Trinidad & Tobago; 70 lbs max for Peru.
Domestic (U.S., Latin America, Caribbean, Canada):
Blue Basic, Blue, Blue Extra: No free checked bags.
Blue Plus: 1 piece, 50 lbs.
Mint: 2 pieces, 50 lbs each (70 lbs each to/from London).
Transatlantic Flights:
Blue Basic, Blue, Blue Extra: No free checked bags.
Blue Plus: 1 piece, 50 lbs.
Mint: 2 pieces, 70 lbs each.
Children (2+ years): Same allowance as adults.
Infants (under 2 years): One diaper bag, stroller, and car seat free; no checked baggage allowance unless ticketed separately.
Notes: Max 2 bags per passenger from Nov. 16–Jan. 15 to/from Dominican Republic, Haiti, Guyana, Trinidad & Tobago. Pooling not allowed. JetBlue Plus/Business Card holders and Mosaic members get 1–2 free checked bags. Active U.S. military personnel and dependents receive 2 free bags (50 lbs each).
Excess Baggage Fees (One-Way, as of March 2024)
Domestic (U.S., Latin America, Caribbean, Canada):
Prepaid Baggage: Save $10 per bag if purchased online >24h before departure. Non-refundable unless flight canceled.
Notes: Fees cumulative for overweight/oversized bags (e.g., $300 if both). Check-in 40 min (domestic) or 60 min (international) before departure.
Special Baggage
Sports Equipment (e.g., skis, golf clubs, bikes): Counts as one checked bag; no oversized fee if within weight limits (50 lbs domestic, 70 lbs transatlantic). Standard checked bag fees apply if not included in fare.
Musical Instruments: Within carry-on limits (22 x 14 x 9 in) or checked (max 150 in, 165 lbs). Extra seat purchase for larger instruments (no sharp edges, seatbelt-secured). No oversized/overweight fees if within limits; otherwise, $150 each. Hard case required for checked instruments.
Pets: Small dogs/cats in cabin (max 20 lbs including carrier, $125 one-way). Carrier counts as personal item, max 17 x 12.5 x 8.5 in. Advance booking required. No pets in hold. Assistance dogs free.
Wheelchairs/Mobility Devices: Free, including battery-powered (lithium-ion batteries in carry-on, terminals protected). Advance notice required.
Strollers/Car Seats: Free, gate-checked or checked at counter. Breast pumps free as assistive devices.
