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.
Compare fares on your route
Check Southwest Airlines against other airlines on the same route, then price the bags here.
Compare fares on your route →Check Southwest Airlines against other airlines on the same route, then price the bags here.
Find a hotel
Compare places to stay at your destination.
Find a hotel →Compare places to stay at your destination.