Southwest Airlines

Slug: southwest

IATA: WNCountry: USRegion: North America

Fees

Category	Amount	Conditions	Applies to	Region / route	Pricing unit	When charged	Source	Last verified
checked_baggage	0.00 USD	First and second checked bags free (up to 50 lbs / 23 kg each)	All fares	All routes	per direction	Not published	Source	2025-12-19
checked_baggage	125.00 USD	Third checked bag	All fares	All routes	per direction	Not published	Source	2025-12-19
checked_baggage	75.00 USD	Overweight bag (51–100 lbs); bags over 100 lbs not accepted	All fares	All routes	per direction	Not published	Source	2025-12-19
checked_baggage	75.00 USD	Oversize bag (63–80 inches L+W+H); bags over 80 inches not accepted	All fares	All routes	per direction	Not published	Source	2025-12-19
seat_selection	0.00 USD	Open seating; no assigned seats	All fares	All routes	Not published	check-in / boarding	Source	2025-12-19
change_cancellation	0.00 USD	No change or cancellation fees; fare difference may apply; before departure	All fares	All routes	Not published	Not published	Source	2025-12-19
unaccompanied_minor	100.00 USD	Unaccompanied minor (UM) fee (ages 5–11)	All fares	U.S. Mainland	per direction	Not published	Source	2025-12-19
unaccompanied_minor	35.00 USD	Unaccompanied minor (UM) fee (ages 5–11)	All fares	Between Hawaiian Islands	per direction	Not published	Source	2025-12-19