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Southwest Airlines · 50 lb standard

Southwest Airlines Overweight & Oversized Baggage Fees

Southwest Airlines: standard limit is 50 lb per bag — overweight or oversized bags cost extra on top of the regular baggage fee.

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Frequently asked questions

What's the overweight baggage fee on Southwest Airlines?

51-70 lb: $75-105 extra, per bag — applies even though your first two bags are free.

What happens if my bag is way over the limit on Southwest Airlines?

71-100 lb: $150-200 extra — checked bags are capped at 100 lb entirely.

What's the oversized baggage fee on Southwest Airlines?

Over 62 linear inches: $75-100 extra, per bag.

How do I avoid this fee on Southwest Airlines?

Southwest's free-bag policy doesn't cover overweight or oversized fees — those still apply on top.