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Southwest Baggage Allowance: Checked & Carry-On Guide

When you are planning a flight with Southwest Airlines the first thing that will come to mind is the baggage allowance. Knowing what you can carry on and what you cannot can save you time and money at the airport and also knowing how to pack efficiently. No matter what reason you are going, be it business, vacation, or even a quick get-away, rules on what to pack in your baggage and what to carry with you is always necessary to guarantee a hassle-free trip. Here we will deconstruct the baggage policy of Southwest, such as the size, weight restrictions, and any other significant charges that should be in your awareness.

What Is the Current Southwest Baggage Policy?

Southwest Airlines has a reputation of having a generous baggage policy, particularly when it compared to most of the other major airlines in the U.S. Below is the list of the most important aspects of the current baggage policy of Southwest that will assist you in packing:

  • As per the southwest baggage policy, for the majority of the passengers the first bag that is checked is now priced at $35 and the second bag that is checked costs $45 per one-way flight.
  • Even passengers on Business Select fare and Rapid Rewards A-List Preferred members are granted the free two checked bags.
  • Southwest co-branded credit card holders and Rapid Rewards A-List members receive 1 free checked bag.
  • All checked bags should not be more than 50 lbs and 62 inches (length + width + height) in size. Bags that weigh 51-70 lbs and those that are heavier or bigger attract a charge of $100 and more respectively.
  • As per the southwest airlines baggage policy​, each traveler is entitled to one carry on bag of limit 24 x 16 x 10 inches and one personal item of size 18.5 x 13.5 x 8.5 inches at no charge as long as they can be placed in the overhead carry-on or underseat.
  • Southwest does not charge extra fees on a range of specialty products such as sporting and music devices, strollers, etc. Nevertheless, one should also pay attention to some regulations or charges associated with the oversized or overweight items.

Southwest baggage policy is meant to be simple and traveler friendly as there are clear policies on what you can carry without having to strain your wallet. It is always advisable to have a preview of the details before you take off on your trip to make sure that you do not receive any surprises in the airport.

How Many Bags Can You Check with Southwest Airlines?

In a new policy set by the Southwest airlines that relates to passengers whose ticket was booked on or after May 28, 2025, the majority will be charged as bringing their first bag to the airport, and the number of bag they will be allowed to carry will depend on the fare and their level of loyalty. The number of bags you can check with Southwest Airlines is as follows:

Standard Checked Bag Allowance

  • Southwest airlines permits up to 2 checked baggage by the majority of the passengers.
  • The weight of each bag should not be more than 50 pounds and the length, width and height of bags not more than 62 linear inches.
  • This is an allowance that varies according to the type of fare and membership.

Baggage Fees for Most Passengers

  • As of May 28, 2025, Southwest will not offer two free checked bags to all passengers.
  • To the majority of the passengers, the initial checked bag will cost $35.
  • As per the southwest baggage policy change, the second checked bag costs $45.
  • A third bag and above cost begins at 150 a bag.

Passengers with Free Baggage Allowances

  • In Business Select and A-List Preferred statuses as well as on co-branded credit cards, passengers still have 2 free checked pieces of baggage.
  • Bags can also be checked free of charge by active-duty military personnel.

Weight and Size Restrictions

  • The checked bags should not exceed 50 pounds, excess weight between 51-70 pounds attracts a fee of approximately $100-$150.
  • Bags larger than 62 linear inches attract extra charges usually 200 USD.

Additional Notes

  • As per the southwest new baggage policy, the airline does not pre-pay baggage charges; all the charges are paid at the airport.
  • The strollers and car seats are free to be checked in the gate or ticket counter.
  • The number of baggage that customers can carry onboard is usually restricted to 20 bags on average (both free and paid) per flight.

The policy is based on a transition of the long-established policy of Southwest; the Bags Fly Free policy, though it still provides advantages to the loyal and premium customers.

Does Southwest Offer Free Checked Bags?

No, as of May 28, 2025, Southwest Airlines will no longer provide free checked bags to the travelers. The airline abolished its long-running policy, Bags Fly Free, that was offering two free bags to be carried per passenger during the last 50 years. Most passengers are now forced to pay $35 and 45 respectively to have their first and second bag checked. Nonetheless, free checked bags remain in options of some groups:

  • Customers purchasing the Business Select fare at Southwest still have two free bags that they can check.
  • Rapid Rewards A-List Preferred status travelers receive two free checked bags as well.
  • The Rapid Rewards A-List members and Southwest credit card holders get a free checked bag.
  • Active-duty military clients are exempted of paying fees on checked bags.

This relocation of Southwest includes its baggage policies in the parallels of other major U.S airlines, but continues to give baggage fee waivers to baggage to its customers as an added value.

What Are the Carry-On Rules for Southwest Airlines?

In the case of carry-on luggage, the Southwest Airlines is quite friendly to the travelers and does not cause any problem to the passengers carrying the required items on board. This is a simple explanation of Southwest carry-on policies to ensure that you pack smart and sail through the boarding:

Carry-On Allowance

  • A passenger is allowed to bring a single carry on bag and a personal item at no cost.
  • This carry on bag has to be able to fit into the overhead bin and it should not be larger than 24 x 16 x 10 inches or about 61 x 40x 25cm.

Personal Item Specifications

  • As per the southwest airlines carry on baggage policy, the carry-on should be small so as to be positioned beneath the seat before the passenger.
  • Common personal equipment are purses, laptops, backpacks or small camera bags.
  • The size of personal items that you are allowed to carry is 18.5 x 8.5 x 13.5 inches.

Carry-On Weight Limits

Southwest does not state the weight of the carry on bags, but they should not be too heavy that the passenger cannot carry them into the overhead compartment.

Additional Items Allowed

Other things that the passengers can carry are umbrellas, walking canes, assisting devices, food with a disposable wrapping package and child restraint on ticketed children, which do not count in the restrictions of the carry-on.

These carry-on regulations allow the passengers to bring their necessities on board at no additional costs and balance the overhead bin space and security requirements.

What Is Allowed in Carry-On Baggage on Southwest Airlines?

Each passenger is allowed to bring with them one carry on bag along with the personal item without paying any extra fees. The carry on bag needs to be fit under the overhead bin and it should not be more than 24 inches in length, 16 inches in width and 10 inches in height including the wheels and handles.

Knowing what you are permitted to carry with you as a carry-on can help ease your passage through the security check line and eliminate possibility of surprises that may force you to check certain things that you could never imagine. Detailed information about what you can bring on your carry on baggage can be found down below when you fly with Southwest Airlines:

Clothing and Personal Items

You can carry with you the daily necessities such as:

  • Clothes, shoes and accessories.
  • Toiletries should comply with 3-1-1 liquids rule by TSA.
  • Cosmetic and styling products such as the razors, hair dryers, hair brushes, etc.
  • Magazines, travel documents, and the books.

Electronics

You can bring most of the electronics in your bag with Southwest:

  • Laptops and tablets
  • Mobile phones and chargers
  • Cameras and accessories
  • Portable gaming gadgets and headphones.
  • Power banks should be brought in carry-on and not in the baggage.

Food and Snacks

  • Packaged goods such as snacks, fruit, packaged and solid food items such as sandwiches are permitted.
  • Liquids such as soup or yogurt should be in accordance with the size restrictions of the TSA 3.4 oz and under per container, all of which can fit in a quart-size zip-top bag.

Medications and Medical Devices

  • Prescription and over the counter drugs are permissible.
  • Medical equipment like CPAP machine or insulin pumps could be carried on board.
  • It is clever to leave them in their original wrappings and tell TSA officers that you have some medical materials and need special attention.

Baby and Child Essentials

In case you are travelling with a child, you may carry:

  • Diaper bags
  • Breast milk, formula and baby food. They do not count under the liquid rule but have to be identified during the screening.
  • Strollers, car seats and breast pumps. These might be included in the free checked baggage or carry-on, based on the size and circumstances.

Miscellaneous Items

  • Small tools (less than 7 inches), books, as well as umbrellas are all allowed.
  • Sports equipment such as tennis rackets can be carried on-board as they are often small enough to be carried in a carry on bag.

The list can be attributed to the desire of Southwest to provide a generous allowance on carry-on and safety and efficiency up in the air.

Are There Weight and Size Limits in Southwest's Baggage Policy?

Yes, there are some restrictions of the weight and size of both checked and carry-on baggage imposed by Southwest airline as a way of providing safety and efficiency in boarding and loading. Going over them can accrue additional fees and hence it is better to be familiar with the regulations before packing.

Checked Baggage Limits

  • Weight Limit: The southwest airlines baggage check policy has a weight limit that is 50 pounds (23 kg) per bag.
  • Size Limit: 62 linear inches is the maximum size.
  • Overweight Baggage Fees:
    • The excess price is about $100 on a bag of weight that weighs between 51 and 70 lbs.
    • Weighted bags of 71-100 lbs amount to higher overweight charge.
  • Oversized Baggage Fees: The fee charged on bags bigger than 62 inches but not bigger than 80 inches will be $125.

Carry-On Baggage Limits

  • Size Limit: Your carry-on bag must be the size of 10 x 16 x 24 plus wheels and handles.
  • Personal Item Limit: This is a bag you carry with you like a backpack or purse and its size should not be more than 18.5 x 8.5 x 13.5 inches or 47 x 21 x 34 cm.
  • Weight Limit: Southwest has no specific weight limit on carry on bags but it should able to fit in the overhead bin and should be easy to carry or lift.

How Does Southwest Handle Baggage Fees and Limits?

To deal with baggage fees and baggage allowances, the Southwest Airlines has left its old system of free checked baggage behind and adopted a more revenue seeking approach starting May 28, 2025. The most important points of the southwest airlines baggage policy fees are listed below:

Baggage Type

Fee/Allowance

Conditions/Notes

First Checked Bag

$35

This applies to Basic, Choice, and the Choice Preferred fares.

Second Checked Bag

$45

Applies to Basic, Choice, and the Choice Preferred fares.

Third and Additional Bags

$150

Additional checked bags beyond second bag.

Oversized Bags (63-80 inches)

$125 + standard bag fee

Charge for bags exceeding 62 inches up to 80 inches.

Overweight Bags (51-70 lbs)

$100 + standard bag fee

Additional fee for bags over the 50 lbs.

Overweight Bags (71-100 lbs)

$200 + standard bag fee

Applies if overweight exceeds the 70 lbs.

Carry-On Bag

Free

One carry-on bag allowed, with the max size 24 x 16 x 10 inches.

Personal Item

Free

One personal item allowed, with the max size 16.25 x 13.5 x 8.5 inches.

Free Checked Bags

2 free bags

For Choice Extra fare, Rapid Rewards A-List Preferred, Business Select, military personnel, and the credit card holders.

Weight limit per checked bag

50 lbs (23 kg)

Bags exceeding must pay overweight fees.

Size limit per checked bag

62 linear inches (length + width + height)

Bags exceeding size limit incur oversize fees.

Conclusion

The baggage policy of Southwest Airlines is important to know to have a pleasant journey. Despite the implications that the new changes suggest, there are certain benefits, which the loyal customers can have. Through informing you on the size and weight restrictions of the checked and carry on baggage, you will be able to plan ahead successfully and save money and travel inconvenience free.