TripCalcChecked 2026-10-16
Southwest Airlines bag fee calculator
See what a Southwest Airlines ticket really costs once bags and seats are added.
True Flight Cost
Fare + bags + seat, itemized. One-way, per person.
Fees change often and vary by route, date and status. Ranges mean the airline prices dynamically. Always verify with the airline before you book. Sources & last-checked dates.
Southwest Airlines fees at a glance
| Fare | Carry-on | 1st bag | 2nd bag |
|---|---|---|---|
| Basic | Included | $45 | $55 |
| Choice / Choice Preferred | Included | $45 | $55 |
| Choice Extra | Included | Included | Included |
U.S. mainland, bookings on/after April 9, 2026. Per person, one way.
- Carry-on and personal item still free on every fare.
- Third bag: about $150.
- Bags Fly Free ended May 28, 2025.
Fees change, and depend on route, date and status. Verify on Southwest Airlines's site before you book.
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