2026 checked bag fees

Southwest Airlines baggage fees

On flights within the U.S. mainland, the first checked bag on Southwest costs $45 and the second $55.

Verified Oct 17, 2026By Steven MoHow we check Report a correction

1st checked bag
$45

Same price at the airport

2nd checked bag
$55

Same price at the airport

Weight limit
50 lb

Up to 62 in (158 cm) in total

Cheapest fare
No free bags

Basic: $45 for the first

Quick answer

On flights within the U.S. mainland, the first checked bag on Southwest costs $45 and the second $55. A carry-on and personal item are free on every Southwest fare.

1st checked bag
$45 (Same price at the airport)
2nd checked bag
$55 (Same price at the airport)
Weight limit
50 lb (Up to 62 in (158 cm) in total)
Cheapest fare
No free bags (Basic: $45 for the first)

What will my bags cost on Southwest?

Checked bags each
Travelers
1
Trip
Fare
Paying
Your bag fees on Southwest
$90
1 bag each · 1 traveler · round trip
  1. 1st bag on Choice$45
  2. Each way, per traveler$45
Compare bag fees on 44 airlines

Southwest checked bag fees

Prices one way, per traveler, on flights within the U.S. mainland.

On Choice

BagPaid onlineAt the airport
1st bag$45$45
2nd bag$55$55
3rd bag and up$150$150

Free checked bags by fare

  • BasicNone
  • ChoiceNone
  • Choice PreferredNone
  • Choice Extra2 bags

Each bag up to 50 lb (23 kg) and 62 in (158 cm) in total.

Overweight and oversize bags

Charged per bag, each way; a bag that's both pays only the higher fee.

  • Overweight: 51–70 lb$100
  • Overweight: 71–100 lb$200
  • Oversize: 63–80 in (length + width + height)$200

How to avoid Southwest bag fees

Who checks bags free

  • Choice Extra fares: 2 free bags
  • A-List Preferred members: 2 free bags; A-List: 1
  • Southwest Rapid Rewards credit cardmembers: 1 free bag

Ways to pay less

  • • Pay ahead online when the airline charges more at the airport.
  • • Weigh your bag at home: going over 50 lb can cost more than a second bag.
  • • Travel carry-on only: check the Southwest carry-on size.

Southwest vs. other U.S. airlines

On regular economy fares, one way, in U.S. dollars.

  • Southwest Airlines
    1st bag
    $45
    2nd bag
    $55
    Free bags
    None · Choice
  • American Airlines
    1st bag
    $45
    2nd bag
    $55
    Free bags
    None · Main Cabin
  • Delta Air Lines
    1st bag
    $45
    2nd bag
    $55
    Free bags
    None · Main
  • United Airlines
    1st bag
    $45
    2nd bag
    $55
    Free bags
    None · Economy
  • Alaska Airlines
    1st bag
    $45
    2nd bag
    $55
    Free bags
    None · Main
  • JetBlue
    1st bag
    $39–$49
    2nd bag
    $59–$69
    Free bags
    None · Main (formerly Blue)
  • Hawaiian Airlines
    1st bag
    $45
    2nd bag
    $55
    Free bags
    None · Main Cabin
  • Frontier Airlines
    1st bag
    $29–$63
    2nd bag
    $59–$86
    Free bags
    None · Standard fare
  • Allegiant Air
    1st bag
    $20–$50
    2nd bag
    $20–$50
    Free bags
    None · Standard fare
  • Sun Country Airlines
    1st bag
    $34–$45
    2nd bag
    $40–$45
    Free bags
    None · Standard fare
  • Breeze Airways
    1st bag
    $35–$41
    2nd bag
    $45
    Free bags
    None · Nice (standard fare)
  • Avelo Airlines
    1st bag
    $40–$45
    2nd bag
    $40–$45
    Free bags
    None · Standard fare

Southwest baggage FAQ

On flights within the U.S. mainland, the first checked bag on Southwest costs $45 and the second $55.

Sources

Last verified Oct 17, 2026. Fees as published for tickets bought from April 9, 2026. Airlines change bag fees often, so confirm the price for your trip when you book.

Read how we collect and check this data, or tell us if something's out of date.

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