Southwest Airlines carry-on size, weight and fees
Read on Southwest Airlines's official site on 1 October 2026 · United States
Personal item (under the seat, free)
not published
Weight: not published
Carry-on bag (overhead bin)
60.9 × 40.6 × 25.4 cm
24 × 16 × 10 in
Weight: no per-bag limit published
Included with: every fare
Good to know
- Goes under the seat in front (purse, briefcase, laptop case, backpack). No dimensions published.
- Published in inches only: 24 x 16 x 10 in (cm = inches x 2.54, rounded down). Wheels, handles and attachments count.
Sizes include wheels and handles (stated by the airline).
Check your bag
Compare your bag with Southwest Airlines and every other airline at once, in cm or inches.
Flying more than one airline? The largest bag that fits several airlines at once.
Source
- Southwest – Carryon and Personal Item Policy (read 1 October 2026)
Prices are the "from" figures or ranges the airline publishes; what you pay depends on the flight and when you buy. This site is not affiliated with Southwest Airlines.