Flying with Southwest Airlines? One of the biggest advantages has historically been their generous baggage policy. However, with recent changes, it's more important than ever to understand how much your bags can weigh to avoid unexpected fees! Let's dive into everything you need to know to pack smart and travel stress-free.
Step 1: Are You Ready to Unpack the Baggage Rules? Let's Get Started!
Before you even think about packing that extra pair of shoes or souvenir, let's make sure you're clear on Southwest's baggage allowances. This isn't just about avoiding fees; it's about making your travel day as smooth as possible. So, grab your imaginary suitcase and let's go!
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| How Much Can Your Bags Weigh On Southwest Airlines |
Step 2: Understanding Southwest's Core Baggage Policies
Southwest has a somewhat unique approach to baggage compared to many other airlines. While they've recently adjusted their free checked bag policy for most travelers, certain perks still exist.
2.1 Checked Baggage: The Lowdown
For many years, Southwest was famous for its "Bags Fly Free" policy, offering two free checked bags to all passengers. As of May 28, 2025, this has changed for most travelers. However, some still get to enjoy free checked bags!
Standard Checked Bag Allowance:
Maximum Weight: Each checked bag generally cannot exceed 50 pounds (23 kg). This is a critical number to remember!
Maximum Size: The linear dimensions (length + width + height) of each checked bag must not exceed 62 inches (157 cm). Remember to include handles and wheels when measuring!
Number of Bags: While fees now apply for many, you can generally check up to 10 bags in total.
Who Still Gets Free Checked Bags?
Business Select flyers: Enjoy two free checked bags.
Rapid Rewards A-List Preferred members: Also receive two free checked bags.
Rapid Rewards A-List members: Get one free checked bag.
Southwest Rapid Rewards Credit Cardholders: Typically receive one free checked bag.
Active-duty Military Passengers with a valid military ID: Are exempt from the two-piece baggage limit and will not be subject to excess, oversize, or overweight baggage charges, provided no piece exceeds 100 pounds in weight and 80 inches in size (L+W+H). This is a fantastic benefit for our service members!
Fees for Checked Bags (for those who don't qualify for free bags):
First Checked Bag: Approximately $35 USD
Second Checked Bag: Approximately $45 USD
Third Bag and Beyond: Approximately $75 USD per bag.
2.2 Carry-On Baggage: What You Can Bring Onboard
Southwest is quite generous with its carry-on allowance, and there is no specified weight restriction for carry-on items, which is a major plus! However, you must be able to lift it into the overhead bin yourself.
Carry-On Bag:
Allowance: One carry-on bag is permitted per passenger, free of charge.
Maximum Size: Must not exceed 24 x 16 x 10 inches (61 x 41 x 28 cm), including handles and wheels. This bag typically fits in the overhead bin.
Personal Item:
Allowance: One personal item is permitted per passenger, free of charge.
Maximum Size: Should fit under the seat in front of you and typically be no larger than 18.5 x 13.5 x 8.5 inches (47 x 34 x 22 cm). Examples include a purse, briefcase, laptop bag, or small backpack.
Important Carry-On Notes:
Even though there's no weight limit, your carry-on must be manageable for you to lift it into the overhead bin. If you can't, you may be required to check it.
Liquids in your carry-on must adhere to TSA's 3-1-1 rule (containers 3.4 ounces/100 milliliters or smaller, stored in a quart-sized bag, one bag per passenger).
Step 3: Navigating Overweight and Oversize Baggage Fees
Tip: Bookmark this post to revisit later.
This is where things can get pricey if you're not careful! Exceeding the standard weight or size limits for checked bags will incur additional fees.
3.1 Overweight Baggage Fees
If your checked bag weighs more than the standard 50 pounds (23 kg), you'll be charged an overweight fee.
Weight Range: 51 to 100 pounds (24 to 46 kg)
Fee: Approximately $75 USD per bag. This is in addition to any standard checked bag fees that might apply (e.g., if it's your third bag).
Maximum Weight for Checked Baggage: Any item weighing over 100 pounds (46 kg) will not be accepted as checked baggage and must be shipped as Air Cargo (which has different rules and is generally for known shippers).
3.2 Oversize Baggage Fees
If your checked bag exceeds the 62 linear inches (length + width + height) limit, you'll be charged an oversize fee.
Size Range: 63 to 80 inches (160 to 203 cm) in total linear dimensions.
Fee: Approximately $75 USD per bag. Similar to overweight fees, this is in addition to any standard checked bag fees.
Maximum Size for Checked Baggage: Any item exceeding 80 inches (203 cm) in total linear dimensions will not be accepted as checked baggage and must be shipped as Air Cargo.
3.3 When Both Apply: Overweight and Oversize
If your bag is both overweight and oversized, Southwest generally charges only one combined fee, which is the higher of the two, typically around $75 USD. However, always confirm this at the airport, as policies can sometimes have nuances.
Step 4: Special Items and Their Weight Considerations
Southwest understands that travelers often need to bring specialized equipment. Many of these items are considered part of your standard baggage allowance if they meet the weight and size limits. If they exceed them, special fees or shipping options may apply.
QuickTip: Reflect before moving to the next part.
4.1 Sporting Equipment
Most sporting equipment, like golf bags, skis, and snowboards, can be checked as part of your standard baggage allowance.
A golf bag (with clubs, balls, and shoes) counts as one checked item.
Skis/snowboard, poles, and boots can be packed in two bags but still count as one checked item, provided they meet standard size and weight limits.
Bicycles must be packed in a hard-sided bicycle box that falls within the 62-inch and 50-pound limits to avoid additional fees.
Surfboards (on inter-island Hawaiian flights) can be substituted for one of your two free bags. However, for flights to/from Hawaii or other domestic flights, they may incur a $75 fee if they are considered oversized.
Keep in mind: If your sporting equipment exceeds the standard 50 lbs or 62 inches, it will be subject to the overweight/oversize fees mentioned above. Any item over 100 lbs or 80 inches generally needs to be shipped as cargo.
4.2 Musical Instruments
Traveling with your beloved instrument? Southwest has specific guidelines:
Carry-on: Smaller instruments that fit within the 24 x 16 x 10 inches carry-on dimensions (including case) can be brought onboard as your carry-on item, provided there's space.
Seat Purchase: For larger instruments (like cellos) that won't fit in the overhead bin or under a seat, you may purchase an additional seat for the instrument. It must be secured with a seatbelt and not block signage.
Checked Baggage: Instruments can be checked as baggage. If they exceed the standard 50 lbs or 62 inches, overweight/oversize fees will apply. The maximum dimensions for checked musical instruments are typically 150 linear inches and 165 pounds. Instruments in soft-sided cases may be subject to limited liability for damage.
4.3 Medical and Mobility Devices
Southwest is generally very accommodating with medical and mobility devices.
Exempt from Fees: Wheelchairs, mobility aids, and medically necessary devices are typically exempt from standard checked baggage fees and do not count against your bag limits.
Carry-on Medication: It's strongly recommended to keep all medications in your carry-on bag or personal item. If checked, and your carry-on needs to be gate-checked due to space, remove your medication and keep it with you.
Needles and Syringes: Allowed if packed with the medication for which they are needed and properly secured.
CPAP Machines, Walkers, Canes, Crutches: Can be transported in the cabin and do not count as your carry-on or personal item.
Step 5: Practical Tips for a Smooth Baggage Experience
Now that you know the rules, here are some actionable tips to ensure your bags are good to go:
Weigh Your Bags at Home: Invest in a luggage scale! This small investment can save you a significant amount in overweight baggage fees. Always err on the side of caution and aim to be a few pounds under the limit.
Measure Your Bags: Don't just eyeball it. Use a tape measure to check the length, width, and height (including wheels and handles) of your checked bags to ensure they're within the 62-inch linear limit.
Consolidate and Prioritize: Can you fit that extra sweater in your carry-on? Do you really need those five pairs of shoes? Prioritize essentials and pack smartly to avoid excess bags or weight.
Wear Your Heaviest Items: If you're close to the weight limit, consider wearing your bulkiest or heaviest items (like hiking boots or a heavy jacket) on the plane.
Consider Shipping: For extremely heavy or oversized items, especially if you're not military, it might be more cost-effective to ship them via a cargo service than paying airline fees.
Know Your Status: If you have Southwest Rapid Rewards A-List, A-List Preferred, or a Southwest credit card, be aware of your free checked bag allowance! It can save you money.
Check for Embargoes: Especially for international flights or during peak travel seasons, Southwest may have baggage embargoes in place, which can restrict the number of bags or the acceptance of oversized/overweight items. Always check their website before you fly.
Arrive Early: If you suspect your bag might be close to the limit or if you have special items, arrive at the airport with ample time to spare. This allows for any adjustments or payment of fees without rushing.
Self-Tagging Kiosks: At select airports, you can self-tag your checked bags at a kiosk to save time, but you'll still need to drop them off with an agent.
No Pre-payment for Checked Bags: Southwest typically does not allow you to prepay for checked baggage. Fees are paid at the airport during check-in.
By being informed and strategic with your packing, you can enjoy Southwest's service without any baggage surprises!
Tip: Read in a quiet space for focus.
10 Related FAQ Questions
How to avoid overweight baggage fees on Southwest Airlines?
To avoid overweight fees, weigh your bags at home using a luggage scale and ensure each checked bag is 50 pounds (23 kg) or less. Consider wearing your heaviest clothes and shoes, or shipping excessively heavy items.
How to measure my bag for Southwest Airlines?
Measure the length, width, and height of your bag, including any handles and wheels. Add these three dimensions together to get the total linear inches. For checked bags, this sum should be 62 inches (157 cm) or less. For carry-on bags, it should be 24 x 16 x 10 inches (61 x 41 x 28 cm) or less.
How to pack efficiently to maximize baggage allowance on Southwest?
Utilize rolling techniques for clothes, use packing cubes to compress items, and wear bulky items on the plane. Only pack essentials, and consider if items can be purchased at your destination.
How to know if my Rapid Rewards status grants free checked bags on Southwest?
Check your Rapid Rewards status: A-List Preferred members get two free checked bags, A-List members get one free checked bag. Your status will be linked to your reservation when you book with your Rapid Rewards number.
QuickTip: Read line by line if it’s complex.
How to handle sporting equipment when flying Southwest?
Most standard sporting equipment counts as a regular checked bag. If it's oversized (over 62 linear inches but under 80 inches) or overweight (over 50 lbs but under 100 lbs), a $75 fee typically applies. Check Southwest's specific sports equipment policy for details on your particular item.
How to travel with musical instruments on Southwest?
Small instruments can be a carry-on if they fit the dimensions (24 x 16 x 10 inches). Larger instruments can have a seat purchased for them, or be checked as baggage, subject to overweight/oversize fees if they exceed standard limits.
How to travel with medication or medical devices on Southwest?
Always carry medications in your carry-on bag. Medical and mobility devices (like wheelchairs, walkers, CPAP machines) are generally exempt from baggage fees and do not count towards your bag limit.
How to pay for checked bags on Southwest Airlines?
Checked bag fees are paid at the airport during check-in, either at the self-tagging kiosks (if available) or with a Southwest agent. Prepayment online is generally not an option.
How to check if there are baggage embargoes for my Southwest flight?
Visit the Southwest Airlines website or contact their customer service to inquire about any current baggage embargoes for your specific destination and travel dates, especially for international travel or peak seasons.
How to determine if my bag is considered oversized or overweight if it's just a few inches/pounds over?
Even being slightly over the stated limits (50 lbs or 62 linear inches) will generally result in the $75 overweight or oversized fee. It's best to stay comfortably within the limits to avoid surprises.
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