10 Best Expandable Backpacks [2025]
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Finding the perfect expandable backpack can often feel like an overwhelming task. With countless options available, each boasting different features, sizes, and designs, it’s easy to become lost in the sea of choices. Whether you’re a frequent traveler, a student, or someone who simply needs a reliable bag for daily use, selecting the right expandable backpack that suits your specific needs can be a daunting challenge when tackled alone. The variety of materials, compartments, and styles can leave you second-guessing which features are truly essential.
To help streamline your search, we meticulously shortlisted the ten best expandable backpacks currently on the market. Our selection process involved thorough research, testing, and evaluation of various models, ensuring that we consider a range of preferences and requirements. By compiling our findings into this concise list, we aim to save you valuable time and effort, allowing you to focus on what matters most—finding the ideal backpack that meets your needs without the hassle of sifting through endless options.
Top 10 Expandable Backpacks In The Market
Best Expandable Backpacks Review
Bestseller No. 1
MATEIN Mens Backpack for Travel, Extra Large Expandable Carry on Backpack with...
- Expandable & Large Capacity: Dimension:20*8.6*13.4inch This extra large travel backpack with expandable feature offers you more packing capacity. Unzipping to get extra storage then can easily hold packing cubes, make-up bag, outfits, camera bag and gear, etc. It is designed for men, women, weekend traveler, or occasional vacationer. This versatile luggage backpack also meets airline carry-on requirements
- Convertible Design: The carry on backpack is designed with hideaway padded shoulder straps which can be easily stored away in zippered back panel, transforming this vacation backpack from carry-on duffel to briefcase style and provide you a more flexible carrying experience. A luggage strap on the back is designed to fit on luggage/suitcase, for easier carry on international travel or cruise. A great gifts for people who travel
- Easy to Carry: The luggage backpack is light to carry due to its adjustable shoulder straps, comfortable air-mesh ventilated back panel. 2 padded grab handles are set on the top and the side of the travel backpack, making it easily to take the bag from an overhead bin. Gift choice for Thanksgiving Day, Christmas, New Year, Valentine's Day, also available as travelers gifts
- Built for Travel: Front compartment is for little gear such as phone, earphone. The large inside pocket has internal compression elastic straps. The padded straps include a sternum strap that can be adjusted upward or downward, set to go across your chest, relieving the weight from your shoulder. 4 external compression straps keep contents from sloshing around and can get an inch or 2 more of vertical space also reduced stress on the zippers
- Heavy-duty: This large travel backpack is made of water resistant lightweight polyester with lockable zipper heads. Could be survived in different temperatures. With sturdy zippers and decent stitching, this backpack won't show any defects when on the go, ensuring you an unforgettable weekend getaway. Does your partner like to travel? It's an ideal gifts for traveler. It's also a practical Christmas and New Years gift for your parents, traveler
Bestseller No. 2
Rcrirth Carry On Travel Backpack for Airplanes | 40L Suitcase Backpack Luggage...
- ✈️ Our Product: from the product video, it can be seen that travel carry on backpack is very nice. this is because he has excellent workmanship, but more importantly, the materials used are very good and thick. there are many other details that we exclusively customize.
- ✈️ Design Concept: a simple and elegant business weekender backpack with 17.3 inch laptop compartments and waterproof compartments. the main compartment is equivalent to a 40l suitcase. a private pocket on the back of 40l backpack for storing passports and change.
- ✈️ Expandable Space: opening the zipper (increase backpack suitcase width by 2 inches) , can provide more storage space. more importantly, under normal circumstances, there is no difference in size compared to laptop bags, and they can be used daily.
- ✈️ TSA Design: this 40l travel backpack size complies with the airline's carry on regulations and can be opened 180 degrees, making it very easy and fast to pass airport security checks. this carry on luggage backpack can also be transformed from a backpack to a suitcase style.
- ✈️ Widely Used: carry on backpack for airplanes are perfect for weekend vacations, travel, nursing schools, and daily use. he is also a great gift for friends, very suitable as a back to school gift, birthday gift, holiday gift, etc.
Bestseller No. 3
Casual Backpack Traveling Backpack, A-black, Expandable, Modern
- 【Extra Large Expandable Design】The everyday clothing pockets can hold 6-8 lightweight tops or pants. This travel bag also features an expandable capacity space for placing more clothes, along with clothing straps, catering to the needs of a family's short trips. The separate laptop compartment can accommodate a maximum 15.6" laptop, meeting your work or daily leisure requirements.
- 【Separate Shoes Compartment and Wet Pocket】The shoes compartment can hold a pair of slippers or low-top sneakers, allowing you to switch freely in different states of travel, business trips and outdoor sports; the wet pocket is made of high-density waterproof material, which can be used with to store wet items, making your stay in a hotel or apartment more convenient.
- 【USB Port Design】This backpack has a USB charging port, which can be connected to a power bank inside the bag, and a cell phone connected to the outside of the bag through a data cable, allowing you to charge your cell phone or iPad while walking, reducing the burden on your hands and avoiding miss information. Please note that the backpack does not come with a power bank and data cable, it is only for the convenience of mobile phone charging.
- 【Approved By Most Flights】External dimensions are 18.5×12.6×8.6 inches (H×W×D), 2.8lbs weight (manual measurement, for reference only, subject to actual measurement). This backpack meets the boarding requirements and can be opened and folded 180 degrees like a suitcase, which can quickly pass through airport security and is specially designed for plane travel.
- 【Comfort and Safety】 Comfortable airflow back design, thick and soft multi-panel ventilated padding provides back support. Breathable, adjustable shoulder straps and a chest buckle to relieve shoulder pressure. This backpack can be slipped on the trolley of the suitcase to make traveling easier. Hidden anti-theft zipper pocket on the back of the backpack to prevent your valuables from being stolen.
Bestseller No. 4
Sinaliy Large Travel Backpack for Women Men, Expandable 40L Carry On Backpack,...
- EXPANDABLE & LARGE CAPACITY: This extra large travel backpack with expandable feature offers you more packing capacity(Size: 17.32*12.2*6.7+1.57inch). Unzipping to get 40L storage then can easily hold packing cubes, make-up bag, outfits, camera bag and gear, which is ideal for men, women, weekend traveler, or occasional vacationer. This versatile travel bag meets airline personal-item requirements
- LOTS OF POCKETS & 17.3 INCH LAPTOP AVAILABLE: Sinaliy travel backpack for men and women has a large laptop compartment with good thick cushion, which can protect your 17.3 inch laptop well. This backpack for travel owns large storage space with many hidden pockets. It also comes with two toiletry bags to carry your hair and bath products
- WITH LUGGAGE BELT & ANTI-THEFT POCKET: Featuring the luggage belt on its back, business traveler could fit this traveling backpack right on the luggage suitcase, easier carrying. A hidden anti-theft pocket located on the lower back protects your valuable items, such as wallet, passport, ID card from thieves when traveling or lining up
- LONG USING LIFE: Sinaliy mens travel backpack is made of lightweight water-resistant polyester and anti-scratch material, which can provide protection on drizzle days with good air permeability and heat dissipation. With sturdy zippers and decent stitching, this personal item backpack won't show any defects when on the go, ensuring you an unforgettable weekend getaway
- CONVERTIBLE DESIGN: The carry on backpack is designed with hideaway padded shoulder straps which can be easily stored away in zippered back panel, transforming this personal item bag from carry-on duffel to briefcase style and provide you a more flexible carrying experience by using the side handle
Bestseller No. 5
Tzowla Travel Laptop Backpack Water Resistant Anti-Theft Bag with USB Charging...
- [Large Capacity and Organized] Tzowla backpack has one separate laptop compartment that can hold any laptop up to 15.6 inch. It also has one spacious compartment for storing any item like daily necessities, tech related items, accessories, toiletries and many more. The front compartment comprises of many pockets, key hook to store your item in an organized manner and easier to find.
- [USB and Headphone Port] This backpack has external USB port with built-in charging cable offers convenient charging your cellphone by connecting your own power bank. The headphone port outside gives easy access to Earphone usage as well.
- [Anti-Theft Design] This backpack has fixed password lock and sturdy metal zippers. You can rest assured that the items inside are safe and secure without worrying about theft.
- [Multipurpose Design] This backpack is made up of high-quality polyester fabric material and comfortable wide padded shoulder strap design which makes it easy to carry around. It is also unisex design and has various built-in compartments as well which makes it perfect for daily use at office and travel.(This product is suitable for people over 15 years old.)
- [Sturdy] The outer dimensions are 18.5 x 11.8 x 5.9in（47 x 30 x 15cm）and made up of water resistant 300D outer nylon and a protected soft cushioned inside give exceptional sturdiness and longevity. The tough materials will withstand ripping and abrasion, ensuring a long-lasting use. It can also carry your equipment like water bottle, tablets, journal, pen, cellphone, etc.
Bestseller No. 6
BabbleRoo Extra Large Diaper Bag Backpack, Expandable Baby Bag with Up to 50%...
- Perfect Twin Baby Shower Gifts! Your Baby Registry Search ends here! Extra Large Diaper Bag Backpack expands from 30 to 40 liter capacity, 50% more storage than our Original Diaper Backpack! Includes pacifier holder and an easy wipe-clean foldable changing mat (size: 23''x14.5"), stroller straps - everything on-the-go parents need!
- XL Diaper Bag great for two kids - expands to give tons of spaces to hold Baby Stuff, plus some for mom and dad! Includes 2 main compartments, 5 insulated pockets (Fit for All Major Baby Bottles), a wipe pocket, and a dedicated multi-function changing pad! Pocket for tablets and laptops up to 15.6". LOTS of pockets, with easy-glide zippers makes this baby changing backpack easily accessible with one hand.
- Durability & Comfort - Our chic handy backpack diaper bags are made of tear-resistant water resistant fabric, strong zippers and lining. Reinforced curved, cushioned shoulder straps and padded back panel will distribute the load evenly on your shoulders and back for long time wearing.
- Convenient & Thoughtful - Luggage Sleeve, easy-grab top handle, and convenient stroller clips - use this diaper bag as a travel essentials backpack, a handbag or attach to your stroller.
- BabbleRoo means Customer Service! Our nappy changing bags come with 24/7 Email Customer Service, exceptional customer support and a 180 Days Warranty! Reach Out To Us if you have any problems or need help!
Bestseller No. 7
Large Travel Laptop Backpack, Expandable Flight Approved Backpack, Carry on...
- Expandable Zippers Capacity
- Water-resistant Material
- Separated Shoe Compartment
- 【Expandable Travel Backpack】Size before expansion is 18.5x12.2x8.66 inch/47x31x22cm; size after expansion is 18.5x12.2x11.8 inch/47x31x30cm. Enlarge capacity by zipper to meet the large capacity needs of travel, perfect for 5-7 days daily travel.
- 【Carry on Backpack Flight Approved】The travel backpack meets the carry-on requirements of many airlines. The air backpack can be placed under plane seat or overhead that save your carry-on charges. Note: Please check with your airline for size restrictions before your trip.
Bestseller No. 8
42L Travel Laptop Backpack, Expandable Carry-on Luggage, Anti-Theft Business...
- ✈【Large Capacity & Multi-Compartment Design】: This 42L travel backpack features 4 spacious compartments to meet all your travel and daily needs. The main compartment can hold 5-8 clothing items, shoes, books, and more. A separate, padded laptop compartment offers EVA foam protection for a 17" laptop and 12.9" iPad. The front compartment includes multiple pockets to keep your essentials organized.
- ✈【Airline Approved Personal Item】: With dimensions of 14 x 18.5 x 7.5 inches (expandable to 9.5 inches in width), this carry-on backpack meets IATA airline size standards. It fits perfectly in overhead compartments or under the seat, making it ideal for airlines like Spirit, Frontier, EasyJet, JetBlue, and more. The backpack opens 90-180 degrees for easy airport security checks.
- ✈【Packing Cubes & Wet/Dry Separation】: Includes 3 packing cubes (2 for clothing and accessories, 1 for shoes up to 16.5 inches in length). A high-density waterproof pocket keeps toiletries or wet clothes separated, maintaining cleanliness and order during your trip. The shoe bag ensures your footwear stays organized and separate.
- ✈【Comfortable & Durable】: Equipped with YKK double-way zippers and reinforced stitching, this backpack is built to last. The thick, breathable mesh shoulder straps reduce shoulder pressure, providing comfort for long trips. Perfect for weekend getaways, hiking, business trips, and daily commuting.
- ✈【Versatile & Practical Design】: This large travel backpack features top and side handles for easy carrying. It also functions as a hybrid bag—backpack, duffel bag, shoulder bag, or travel bag. A side pocket fits a water bottle or umbrella, and the luggage strap allows the backpack to slide onto your luggage handle for convenient travel.
Bestseller No. 9
BAGSMART Compression Travel Backpack, 40L Expandable Airline Approved Carry On...
- Airline Approved: Travel backpack size - 18.5 x 12.2 x 10.23 inches, maximum capacity - 40L. The carry-on backpack meets the standard required by almost all major airlines and fits in the overhead compartment and under the seat. The lie-flat opening design helps you get through security quickly. This travel backpack is perfect for weekend trips, business trips, hiking, and camping, etc
- Keep Everything Organized: The most important thing about traveling is having fun, not being tied up in chores. The Weekender backpack comes with 2-piece clothes storage bags and 1 shoe bag. Different sizes can be used for different packing purposes, allowing you to store your clothes more conveniently and in an organized manner, The most important thing about traveling is having fun, not being tied up in chores. shoe bag fits 1-2 pair of shoes or it can be a laundry bag.
- Iterative Update: The expandable design and large capacity (25L-40L) can store 3-5 days of clothes as you need. The travel backpack carry on flight approved also has a built-in elastic band, which can compress clothes, preventing them from falling, maximizing the use of the carry on backpack for airplanes storage space, and saving an additional 10% of capacity
- Designed for Travel: Comfortable airflow back design with thick and soft padding, effective back pressure relief, while equipped with adjustable chest buckle, so you can hike more easily. The computer backpack is made of durable polyester material, providing more secure protection for your belongings.
- Multipurpose: Its chic look makes it as a college backpack, travel backpack, computer backpack, bookbag, work backpack. The airline approved carry-on can be fitted overhead and under-seat, is ideal for a weekend trip, business trip and travel. This large backpack is perfect for college, work, daily use, outdoor activities, or even perfect as a gift to friends, family, women, for birthday.
Bestseller No. 10
Bagsure Travel Backpack, 42L Carry on Luggage, Flight Approved Expandable...
- ✈【LARGE CAPACITY AND EXPANDABLE】This suitcase backpack for travel features zipper expansion, which can expand up to 42L for 3~7 days of travel essentials. The spacious main compartment with straps to secure travel supplies, one separate laptop compartment for a 17-inch laptop, and a hidden anti-theft pocket on the back protect your valuable items. It's perfect for travel, business, camping, or cruises with a 20*14*7" size. Please check the size before purchasing.
- ✈【FLIGHT APPROVED CARRY ON BACKPACK】This laptop backpack for men is designed for travel, you can travel anywhere you want, and two padded handles for easy switching between backpack and suitcase. There is a luggage strap on the back, which can be placed on the luggage. It fits overhead and under the seat, while in a state of standard carry-on size, and is ideal for men, women, weekend travelers, or occasional vacationers.
- ✈【MORE DURABLE MATERIAL AND ANTI-THEFT LOCK】The suitcase backpack for travel is made of durable, water-resistant polyester and anti-scratch material. The sturdy metal double zipper and upgraded reinforced stitching make it last longer. Also, this luggage backpack has an anti-theft lock, so there will be no more worries about losing items during travel, camping, or cruises.
- ✈【HIDDEN SHOULDER STRAPS & BREATHABLE SPONGE】 The Breathable sponge mesh design on the laptop backpack for men and padded shoulder straps help with air convection, ventilation, and heat elimination, also it help relieve the stress from your shoulder. This luggage backpack is crafted with hideaway padded shoulder straps which can be hidden away in the zippered back panel when not using.
- ✈【3 PACKING CUBES + 1 SHOE POCKET】Large cube for sweaters, jackets, and pants. Medium cube for shirts, and shorts. Small cube with a transparent side for providing a clear overview of toiletries. There's also a shoe pocket. Keeping your belongings neater and more organized. The laptop backpack has a built-in USB port to charge your phone conveniently via connecting your own power bank (not including a USB charger).
Bottom Line
In conclusion, our selection of the best expandable backpacks represents a careful curation of products that excel in versatility, durability, and design. We chose these 10 products based on rigorous criteria, including user reviews, expert recommendations, material quality, and the range of features offered. Each backpack has been evaluated for its ability to adapt to various needs, whether for daily commutes, travel excursions, or outdoor adventures. By focusing on these key aspects, we ensure that our list features only the most reliable and functional options available.
By following our list of the best expandable backpacks, you can confidently select a bag that not only meets your specific requirements but also enhances your overall experience. Whether you’re seeking extra space for a weekend getaway or a compact design for your daily essentials, these expandable backpacks are designed to grow with you. Investing in one of these top picks will not only simplify your packing but also provide you with the convenience and organization you need for any scenario. We hope that our recommendations will help you make an informed decision and find the perfect expandable backpack that suits your lifestyle.
