Southwest Airlines Carry-On Rules
United States Airline
Carry-on size
24 × 16 × 10 in 61 × 41 × 25 cm
Weight limit
No published weight limit
Carry-on fee
included
Personal item
Included
Policy details
The most generous mainstream US cabin allowance — carry-on (max 24 × 16 × 10 in, wheels, handles and attachments included) plus personal item remain free on every fare; the personal item must fit under the seat. Neck pillows and blankets never count toward the allowance; a pet carrier counts as either the carry-on or the personal item. Checked bags are no longer free on most fares: for tickets booked on or after May 28, 2025, Southwest charges $35 for the first and $45 for the second on Basic/Choice/Choice Preferred (Choice Extra, A-List Preferred, and Rapid Rewards cardholders keep free bags).
よくある質問 (FAQ)
What is the Southwest Airlines carry-on size limit?
Southwest Airlines allows a cabin bag up to 24 × 16 × 10 inches (61 × 41 × 25 cm), including wheels and handles.
How many bags can I bring on Southwest Airlines?
Two: a full carry-on plus one personal item, both included in your fare.
Does Southwest Airlines charge for a carry-on bag?
No — a full carry-on plus a personal item is included on Southwest Airlines fares.
Does Southwest Airlines have a carry-on weight limit?
No published weight limit
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