United Airlines Carry-On Rules
United States Airline
Carry-on size
22 × 14 × 9 in 56 × 35 × 23 cm
Weight limit
No published weight limit
Carry-on fee
varies
Personal item
Included
Policy details
Basic Economy includes only a personal item on most routes — a full-size carry-on costs extra and can be gate-checked with a fee. Basic Economy keeps the carry-on on South America, transatlantic and transpacific itineraries, and for Premier members, Star Alliance Gold and qualifying cardholders. For tickets bought on/after Apr 3, 2026, bringing a full-size carry-on to the gate in Basic Economy costs $45 prepaid / $50 airport lobby / $75 at the gate ($35/$40/$65 for earlier tickets). CommutAir flights allow a personal item only; other United Express carriers accept carry-ons but have limited bin space. A diaper bag and breast pump fly free even if you are not travelling with your child. Dimensions include handles and wheels.
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Frequently asked questions
What is the United Airlines carry-on size limit?
United Airlines allows a cabin bag up to 22 × 14 × 9 inches (56 × 35 × 23 cm), including wheels and handles.
How many bags can I bring on United Airlines?
It depends on the fare — basic tiers on United Airlines include only the personal item; standard fares add the full carry-on.
Does United Airlines charge for a carry-on bag?
It depends on the fare — on United Airlines, some basic fares include only a personal item. Check your ticket type.
Does United Airlines have a carry-on weight limit?
No published weight limit
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