Planning a trip with Southwest Airlines and wondering what you can bring on board? You're not alone.
Navigating airline rules can feel like a daunting task, especially when it comes to packing. You want to ensure a smooth journey without any last-minute surprises at the airport. The good news is, understanding Southwest Airlines' baggage policies doesn't have to be complicated.
By knowing exactly what you can carry on, you’ll save time, avoid unnecessary fees, and travel with peace of mind. Imagine the relief of breezing through security with everything you need, right at your fingertips. Read on to discover the ins and outs of Southwest’s carry-on regulations and ensure your next flight is as hassle-free as possible.
Southwest Airlines Carry-on Policies
Southwest Airlines allows passengers to bring carry-on bags and personal items free of charge. Knowing the rules helps you pack smart and avoid delays at the gate. The airline has clear size and weight limits for carry-ons. They also specify what items you can bring onboard. Understanding these guidelines ensures a smooth travel experience.
Size And Weight Limits
Southwest Airlines lets you bring one carry-on bag and one personal item. The carry-on bag must not exceed 10 x 16 x 24 inches. This size includes handles and wheels. There is no specific weight limit for the carry-on bag. However, you must be able to lift it into the overhead bin yourself.
Allowed Carry-on Items
Carry-on items should fit in the overhead bin. Common examples include:
- Suitcases
- Backpacks
- Duffel bags
- Laptop bags
Sharp objects, liquids over 3.4 ounces, and hazardous materials are not allowed. Electronics like laptops and tablets must be screened separately at security.
Personal Item Guidelines
Your personal item must fit under the seat in front of you. Typical personal items include:
- Purses
- Small backpacks
- Briefcases
- Camera bags
- Diaper bags
The size limit for personal items is about 18.5 x 8.5 x 13.5 inches. It must fit comfortably under the seat without blocking legroom.
Essential Items To Pack In Your Carry-on
Packing your carry-on smartly helps your travel go smoothly. Essential items keep you ready for any situation. These items include important documents, gadgets, and personal care products. Carry these to avoid stress and stay comfortable on the plane.
Travel Documents And Valuables
- Passport or ID card
- Boarding pass or e-ticket
- Wallet with credit cards and cash
- Travel insurance papers
- Keys and any important small valuables
Keep these items close and secure. Airlines check these often. Losing them can cause delays or problems.
Electronics And Chargers
- Smartphone and/or tablet
- Laptop if needed for work or entertainment
- Chargers and power banks
- Headphones or earbuds
- Adapters for international travel
Electronics keep you entertained and connected. Chargers ensure your devices stay powered throughout the trip.
Health And Hygiene Essentials
- Hand sanitizer and disinfectant wipes
- Face masks for crowded areas
- Medications and prescriptions
- Small toiletry kit with toothbrush and toothpaste
- Lip balm and moisturizer
These items help you stay clean and healthy. They make your flight more comfortable and safe.
Prohibited Items In Carry-on Bags
Knowing what you cannot bring in your carry-on bag on Southwest Airlines is just as important as knowing what you can. Prohibited items can cause delays, confiscations, or even fines. Keeping your carry-on free of banned materials ensures a smooth boarding process and a stress-free flight.
Restricted Liquids And Gels
You need to follow the TSA’s 3-1-1 rule for liquids and gels. This means each container must be 3.4 ounces (100 milliliters) or less, and all containers must fit in a single, clear, quart-sized bag. Anything exceeding this limit, like large bottles of shampoo or sunscreen, isn’t allowed in your carry-on.
Have you ever had to toss your favorite lotion at the security checkpoint? It’s frustrating, but knowing these rules helps you pack smarter. If you need larger quantities, consider checking those items in your luggage instead.
Dangerous Goods And Weapons
Southwest strictly forbids weapons and dangerous goods in carry-on bags. This includes firearms, ammunition, sharp objects like knives or box cutters, and explosives. Even toy guns or replicas that look real can cause problems.
You might think a small pocket knife is harmless, but security won’t allow it on board. Instead, pack such items in your checked baggage or leave them at home. Remember, safety is the top priority for everyone on the flight.
Other Forbidden Items
Besides liquids and weapons, other items are banned in your carry-on. This includes flammable items like lighter fluid, fireworks, and certain batteries. Tools longer than 7 inches, like crowbars or hammers, are also not permitted.
Sometimes, everyday items can surprise you. For example, some sports equipment like baseball bats must be checked, not carried on. Think about what you really need during the flight and pack accordingly to avoid last-minute hassles.

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Tips For Efficient Packing On Southwest Airlines
Packing for a Southwest Airlines flight needs smart planning. Efficient packing saves time and avoids stress at the airport. Knowing what to carry and how to organize your bag helps you travel light and easy. Follow these tips to pack smarter and enjoy your trip.
Maximizing Space
Use soft, flexible bags instead of hard suitcases. They fit better in overhead compartments. Roll your clothes instead of folding. Rolling prevents wrinkles and saves space. Pack smaller items inside shoes or corners. Keep heavy items near the bottom for balance.
Organizing Your Bag
Use packing cubes or small pouches. They separate clothes from toiletries and gadgets. Place important items on top for easy access. Keep liquids in clear, resealable bags. This speeds up security checks. Use a dedicated space for chargers and electronics.
Avoiding Common Mistakes
- Don’t overpack; stick to carry-on limits.
- Check Southwest’s size rules before packing.
- Avoid sharp objects or prohibited items.
- Don’t forget essentials like ID and boarding pass.
- Keep a change of clothes in your carry-on.
Special Considerations For Families And Pets
Traveling with family or pets on Southwest Airlines needs some extra planning. Special rules help keep your trip smooth and stress-free. Knowing what you can carry helps you prepare better.
Carrying Baby Essentials
Southwest Airlines allows parents to carry essential baby items at no extra cost. These include diaper bags, baby food, and formula. You can also bring a stroller or car seat. These items do not count toward your carry-on limit. Keep them handy for quick access during the flight.
Traveling With Pets
Small pets can travel in the cabin with you. They must fit in an approved carrier under the seat. Southwest does not allow pets in the cargo hold. Make sure your pet carrier meets size rules. Bring your pet’s health documents if needed. Plan ahead, as only a limited number of pets are allowed per flight.
Assistance Devices And Medical Needs
Southwest Airlines permits medical devices and assistance aids. Wheelchairs, walkers, and oxygen tanks travel free of charge. You can carry necessary medical supplies in your bag. Inform the airline in advance for special accommodations. This helps ensure a comfortable experience during your trip.

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How To Handle Overweight Or Oversized Bags
Handling overweight or oversized bags on Southwest Airlines requires careful planning. These bags often exceed the airline's size or weight limits. Knowing the rules helps avoid extra fees and delays. It also makes your travel smoother and less stressful.
Southwest has clear policies for bags that are too heavy or too large. Passengers should prepare for possible charges and consider alternatives. This section explains Southwest’s fees and suggests other options to manage your luggage.
Southwest Fees And Charges
Southwest allows two free checked bags. Each bag must weigh less than 50 pounds. The size limit is 62 inches total (length + width + height). Bags exceeding these limits incur fees.
| Bag Type | Weight Limit | Size Limit | Fee |
|---|---|---|---|
| Standard Checked Bag | Up to 50 lbs | Up to 62 inches | Free (first two bags) |
| Overweight Bag | 51-100 lbs | Up to 62 inches | $75 per bag |
| Oversized Bag | Up to 50 lbs | 63-80 inches | $75 per bag |
| Overweight and Oversized | 51-100 lbs | 63-80 inches | $150 per bag |
Bags over 100 pounds are not accepted. Oversized bags larger than 80 inches are also not allowed.
Alternatives To Checked Luggage
Carrying heavy or large bags is not the only option. You can try these alternatives:
- Use a larger carry-on bag within size limits.
- Distribute items between your carry-on and personal item.
- Ship items to your destination by mail or courier.
- Purchase additional checked bags if needed.
- Rent or buy gear at your destination to avoid heavy bags.
Planning your packing reduces stress and avoids fees. Choose the best option based on your travel needs.

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Frequently Asked Questions
What Items Are Allowed In Southwest Airlines Carry-on Bags?
Southwest allows one carry-on bag and one personal item per passenger. Carry-ons must fit in overhead bins and personal items under the seat. Common items include backpacks, purses, laptops, and small duffel bags. Size limits ensure quick boarding and safety compliance.
Can I Bring Liquids In My Carry-on On Southwest?
Yes, liquids must follow TSA 3-1-1 rules: containers under 3. 4 oz, all fitting in one quart-sized bag. This includes toiletries, drinks, and gels. Larger liquids must be checked or purchased after security screening.
Are Pets Allowed In Carry-on Bags On Southwest?
Southwest permits small vaccinated pets in carriers as carry-ons. The carrier must fit under the seat. Fees apply, and reservations are required. Service animals are accepted without fees and do not need to fit in carriers.
What Prohibited Items Cannot Be Carried On Southwest Flights?
Sharp objects, flammable materials, and firearms are banned in carry-ons. Liquids over 3. 4 oz and certain sports equipment also cannot be carried on. Check Southwest's official list before packing to avoid confiscation.
Conclusion
Traveling with Southwest Airlines means knowing what you can bring aboard. A carry-on bag and a personal item are allowed for free. Keep size limits in mind to avoid extra fees. Liquids must follow the TSA rules. Small items like laptops and snacks fit well as personal items.
Pack smart and light to ease your journey. This helps you move quickly through security and onto the plane. Remember these tips for a smooth travel experience with Southwest Airlines. Safe travels!




