10 Best 45l Travel Backpacks [2025]
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Finding the perfect 45L travel backpack can often feel like an overwhelming task, especially with the vast array of options available on the market today. Whether you’re planning a weekend getaway, a week-long adventure, or an international expedition, the right backpack can make all the difference in your travel experience. With countless designs, features, and brands to choose from, navigating through the choices can be a daunting endeavor. The last thing you want is to invest your time and money into a backpack that doesn’t meet your travel needs.
To simplify your search, we have meticulously researched and shortlisted the ten best 45L travel backpacks. Our selection process involved evaluating factors such as durability, comfort, functionality, and customer feedback. By narrowing down the options, we aim to save you time and hassle, ensuring that you can find a backpack that not only fits your requirements but also enhances your journey. With our curated list, you’ll be equipped with the information you need to make an informed decision and embark on your travels with confidence.
Top 10 45l Travel Backpacks In The Market
Best 45l Travel Backpacks Review
Bestseller No. 1
MATEIN 45L Travel Backpack, Large Carry on Backpack for Men Women, Water...
- 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
Peak Design Travel Backpack 45L, Black, Expandable 35-45L Design, Rear and Top...
- TRAVEL BACKPACK 45L: Built for 1-bag travel, the 45L Travel Backpack offers intuitive organization, weatherproof protection, and expandable storage – all in a clean, rugged form that adapts to your gear and destination.
- DESIGNED TO ADAPT: Expandable from 35L to 45L, this carry on approved pack adjusts to fit your load. Side pockets expand to hold bottles or tripods, while top, side, and rear access points keep your gear within easy reach.
- DURABLE DETAILS, CLEAN DESIGN: A weatherproof 400D recycled nylon canvas shell with ultra-durable hardware stands up to the rigors of travel. The burly #10 UltraZip and reinforced bottom liner add lasting durability in a sleek, minimalist silhouette.
- VERSATILITY FOR ANY TRIP: Tuck-away shoulder straps and hip belt allow for streamlined carry. A luggage pass-through, 360-degree handles, and hidden external carry straps make it easy to move through terminals, trains, or TSA without missing a step.
- RADICAL PRODUCTS, RADICAL COMPANY: Peak Design creates industry-shifting, lifetime-lasting gear with a mission to leave the world better than we found it. No investors, no venture capital – just innovation on our terms.
Bestseller No. 3
LOVEVOOK Carry on Backpack, 45L Extra Large Travel Backpack for Men & Women...
- [45L EXPANDABLE TRAVEL BACKPACK] This versatile backpack expands from 35L to an impressive 45+L, perfect for 3-7 days of travel. It fits 3-4 sets of clothes, shoes (with a separate bag), and daily essentials, plus a 17.3-inch laptop. It is an ideal travel backpack for men and women! NOTE: This backpack is larger in size, so we recommend considering your needs before purchasing.
- [AIRLINE APPROVED] Weight: about 4 lbs. This carry on backpack the size before expansion is 20*14*7 Inces, and the size after expansion is 20*14*9 Inces, which conforms to the size (22*14*9 Inces ) regulations of most airlines for carry on baggage, such as Delta Air Lines, Alaska Airlines, Southwest Airlines, United Airlines. It’s a carry on backpack airline approved and 180-degree zipper closure to get you through security quickly
- [EXTRA 4 PACKING CUBES] Travel backpack with four packing cubes. large cube for sweaters, jackets, pants. Medium cube for shirts, shorts. Small cube for toiletries such as makeup, cleanser, etc, there's also a shoe pocket. Keeping your belongings neater and more organized. without a doubt it’s a large travel backpack. If your clothes get wet, don't worry, there is a wet pocket at the top of the large compartment, which can hold 2 T-shirts or towels
- [FOR TRAVEL] This carry on backpack is flight approved, you can travel anywhere you want, it has a side handle, it can be turned into a suitcase backpack, and there is a luggage strap on the back, which can be placed on the luggage, it's very convenient to carry. Breathable sponge mesh design on the backside and shoulder straps help for the air convection, ventilation, and heat elimination and help relieve the stress from your shoulder. It’s a nice personal item backpack
- [WORRY-FREE QUALITY]Discover our weekend backpack,engineered for durability with tear-resistant,waterproof canvas,and featuring breathable,foam-padded shoulder straps for added comfort.Reinforced straps and buckles around the pack ensure robustness for travel,camping,or any weekend adventure.LOVEVOOK PERFECT SERVICE-Our sellers attach much importance to our customer's shopping experience,Any questions,please feel free to contact us.LOVEVOOK backpack will provide you with 24-hour customer service
Bestseller No. 4
tomtoc Travel Backpack 40L, TSA Friendly Flight Approved Carry-on Luggage Hand...
- Large Capacity & Organized: This Navigator-T66 carry-on backpack provides ample space for all your travel essentials. It features a large main compartment with a separate laptop compartment, and several other pockets and compartments for organization. Dimensions: 20.47 x 13.39 x 9.06 inch. Depending on the packing methods and contents, the actual usable capacity ranges between 38-40L
- Convenient Storage: You can reach the main compartment from the quick access front pocket for easy reach of your travel essentials on the go, and the main compartment can also be unzipped like a suitcase for easy packing and unpacking; The tech compartment can accommodate up to 17" laptop and 13 inch iPad with accessories; Front pocket, top pocket and side pockets for easy access to glasses, documents and travel liquids, etc.
- TSA Friendly & Flight Approved: The laptop compartment is friendly designed to be opened 90°-180° for security scanning, helps get through airport security checkpoints quick and easy; And the dimension meets the maximum size requirements by IATA flight, it's ideal for airplane traveling
- Built to Last and Sustainable: Made of premium quality YKK zippers and durable recycled fabric—that is 100% post-consumer material made from PET plastic bottles, which is sustainable and can also reduce energy consumption and pollution; Keep traveling with the best recycled fabric! The results might surprise you
- Ultra-comfortable & Easy Carry: 3D padded back panel and contoured thick shoulder straps for superior ergonomic comfort. An adjustable chest buckle help transfer weight off your shoulders, keeping you relaxed and cozy all the time; Two handles, one on top and one on the side provide flexible carrying experience. A strap on the back for luggage pass-through for convenient carry
Bestseller No. 5
Peak Design Travel Backpack 45L, Sage, Expandable 35-45L Design, Rear and Top...
- TRAVEL BACKPACK 45L: Built for 1-bag travel, the 45L Travel Backpack offers intuitive organization, weatherproof protection, and expandable storage – all in a clean, rugged form that adapts to your gear and destination.
- DESIGNED TO ADAPT: Expandable from 35L to 45L, this carry on approved pack adjusts to fit your load. Side pockets expand to hold bottles or tripods, while top, side, and rear access points keep your gear within easy reach.
- DURABLE DETAILS, CLEAN DESIGN: A weatherproof 400D recycled nylon canvas shell with ultra-durable hardware stands up to the rigors of travel. The burly #10 UltraZip and reinforced bottom liner add lasting durability in a sleek, minimalist silhouette.
- VERSATILITY FOR ANY TRIP: Tuck-away shoulder straps and hip belt allow for streamlined carry. A luggage pass-through, 360-degree handles, and hidden external carry straps make it easy to move through terminals, trains, or TSA without missing a step.
- RADICAL PRODUCTS, RADICAL COMPANY: Peak Design creates industry-shifting, lifetime-lasting gear with a mission to leave the world better than we found it. No investors, no venture capital – just innovation on our terms.
Bestseller No. 6
BANGE 45L Expandable Backpack, Water Resistant, Suitable for Travel, College...
- 【26-45L Expand Backpack】: Before extended is 26L, dimensions are 19.5x13x6.8inch; after extended is 45L, dimensions are 19.5x13x11.5inch. You can expand the zipper and buckles according to your requirement. The two handles set on top and one side, which allow an easy switch between backpack and suitcase. So it can be carried vertically or horizontally. The luggage belt on the back allows being slide over the luggage tube,backpack very easy to carry, it is great for 3-7days daily travel.
- 【Large Capacity Carry On Backpack】:The backpack with many compartments, organization and expansion.The main pocket can hold your travel goods,fit 5-8pcs clothes. It is cool that there is a wet pouch to liquids.Front compartment can also hold magazines,Ipad and power bank which can charge your phone. The dry-wet separation pocket can hold your personal washing items during your business trip.
- 【17.3Inch Laptop Backpack】: Baneg 45L travel backpack has a separate laptop compartment, which can hold 17.3 inch laptop and protect laptop from moving. With high quality waterproof PVC material, your laptop can be prevent wet in the raining days.
- 【Multipurpose Backpack】: With the expand function, you can use the backpack for daily work or commute, you only need to close the expansion zipper. When you need to travel or long business trip, you can open the expansion zipper to hold your clothes or other important items. Different compartments with different sizes and features make you to storage items easily and neatly. A great companion for commuting, business trip, hiking, travel, camping and other outdoor activities.
- 【Weekend Backpack With USB Charging】: BANGE travel backpack ensure a secure long-lasting usage everyday or weekend. It is convenient to charge your phone from outside due to there is a USB charging port, and you only need to place a power bank in the backpack. This item is not intended for use by children 12 and under.
Bestseller No. 7
MATEIN Extra Large 45L Travel Laptop Backpack, Airline Approved Carry on...
- Carry On Airline Approved: Avoid extra luggage fees! Designed at 21”H x 13.5”L x 8.5”W, this carry on backpack for airplanes meets most airlines carry on size requirement, and can be placed in the overhead luggage compartment, suitable for Spirit, Frontier, Easy Jet, Jet Blue, and other airlines. This carry on travel backpack features a TSA-friendly 90-180° opening design lets you breeze through security checks and keep other items tidy
- Spacious & Organized: Everything in its place! This large 45L carry on backpack stay organized with 4 main compartments, the travel backpack carry on's main compartment with double zippers has enough storage room to store like a suitcase, fits up to 3-4 days trip. The separate laptop compartment offers enhanced padding to protect your 18" laptop. The front compartment has many pockets to keep your belongings organized. The Secure hidden pocket design can protect your passport, wallet & valuables
- Versatile & Convenient: External USB port with built in charging cable conveniently charges your phone and other electronic devices (pls provide your own portable charger). The shoe compartment at the bottom fits sizes 10-12, keeping footwear separate and odors at bay with breathable venting holes, while doubling as a versatile toiletry or accessory bag. This large travel backpack ensures essentials stay neat, accessible, and travel-ready—perfect for business trips or adventures
- Practical & Comfortable: Crafted from water-repellent, high-density polyester with sturdy metal zippers, this airplane travel backpack ensures long-lasting protection. Secure your valuables with lockable metal zippers in the laptop compartment (bring your own lock). Enjoy airflow back design, multi-panel padding, and breathable, adjustable straps for stress-free carrying. Features padded handles, a luggage strap, and a side mesh pocket for water bottles or umbrellas—Travel with comfort and ease
- Perfect Travel Companion：Whether for work or travel, daily or commuting usage, short weekend trip or spontaneous adventures, our tsa backpack carry on is the perfect companion! From airline friendly carry on to lightweight hiking gear, this backpack luggage for travel has you covered. A great gifts choice for your husband, families, friends, travelers, adventurers, and anyone on the go. This item is not intended for use by 12 years old and under
Bestseller No. 8
MIYCOO Backpack - Ultra Lightweight Packable Backpack for Travel Camping, 45L...
- Lightweight: The lightweight packable backpack is about half the weight of a mobile phone, being folded into its inner pocket for storage and easy to open when needed. Unfolded size: 15.9 x 9.6 x 22.4 inches, folded size is only 4.9 x 3.9 x 7.8 inches
- Waterproof & Durability: The Waterproof backpack is made of waterproof fabric, IPX4: This rating offers protection against splashes of water, making them suitable for workouts or light rain. Heavy duty upgraded zippers and enhanced major stress points provide long-lasting durability against daily activities
- Large Capacity & Multiple Compartments: Hiking backpack with 45L capacity and 3 compartments. Featured a wet compartment for separating dry and wet items
- Survival Whistle: Equipped with a survival whistle on the shoulder strap, it is an essential item for your survival in dangerous outdoor situations
- Tips: Before traveling, you can put this bag in your pocket or suitcase, and when you buy more goods on the way, this large-capacity foldable airplane backpack will show its value
Bestseller No. 9
LOVEVOOK Travel Laptop Backpack for Men, 45L Large Carry On Backpack Personal...
- 【SWISS ARMY KNIFE INSPIRED DESIGN】Our Travel Laptop Backpack is inspired by the iconic Swiss Army Knife. With dimensions of 13.5x9x20 inches, it meets airline personal item regulations and fits easily in overhead compartments and under seats. It also comes with two additional storage pouches, perfect for organizing small essentials like cables, adapters, or toiletries.
- 【EXCEPTIONAL STORAGE CAPACITY】Designed for maximum organization, this Men's Travel Backpack features three spacious compartments, each equipped with multiple functional pockets. The largest compartment opens 180 degrees, making it a breeze to pass through airport security checks. Keep your laptop, documents, and travel essentials neatly separated and easily accessible, ensuring a stress-free travel experience.
- 【COMFORT MEETS PRACTICALITY】Experience all-day comfort with the breathable, padded shoulder straps that reduce strain on your shoulders. The innovative wet-dry separation pocket keeps damp items like umbrellas or towels from affecting your other belongings. Plus, the built-in luggage strap allows you to securely attach the backpack to your suitcase handle, making it ideal for seamless travel.
- 【BUILT TO LAST】Crafted from premium tear-resistant, waterproof, and abrasion-resistant materials, this Large Carry-on Backpack is built to withstand the rigors of travel, work, hiking, or school. Its durable construction ensures long-lasting performance, no matter the environment. Whether you're navigating busy city streets or exploring rugged trails, this backpack is your reliable companion.
- 【BACKPACK FOR EVERY JOURNEY】Discover the ultimate companion for all your journeys with our Large Travel Backpack. Designed to adapt to your lifestyle, this backpack is perfect for traveling, hiking, work, school, and more. Whether you're exploring the great outdoors, commuting to the office, or heading to class, this backpack offers the perfect blend of functionality and style.
Bestseller No. 10
Peak Design Travel Backpack 45L, Coyote, Expandable 35-45L Design, Rear and Top...
- TRAVEL BACKPACK 45L: Built for 1-bag travel, the 45L Travel Backpack offers intuitive organization, weatherproof protection, and expandable storage – all in a clean, rugged form that adapts to your gear and destination.
- DESIGNED TO ADAPT: Expandable from 35L to 45L, this carry on approved pack adjusts to fit your load. Side pockets expand to hold bottles or tripods, while top, side, and rear access points keep your gear within easy reach.
- DURABLE DETAILS, CLEAN DESIGN: A weatherproof 400D recycled nylon canvas shell with ultra-durable hardware stands up to the rigors of travel. The burly #10 UltraZip and reinforced bottom liner add lasting durability in a sleek, minimalist silhouette.
- VERSATILITY FOR ANY TRIP: Tuck-away shoulder straps and hip belt allow for streamlined carry. A luggage pass-through, 360-degree handles, and hidden external carry straps make it easy to move through terminals, trains, or TSA without missing a step.
- RADICAL PRODUCTS, RADICAL COMPANY: Peak Design creates industry-shifting, lifetime-lasting gear with a mission to leave the world better than we found it. No investors, no venture capital – just innovation on our terms.
Bottom Line
In conclusion, selecting the best 45L travel backpacks can greatly enhance your travel experience by providing the right balance of space, comfort, and functionality. Our curated list of the top 10 products was meticulously chosen after evaluating a multitude of factors, including user reviews, durability, design, organizational features, and value for money. Each backpack on this list has been tested and recommended based on its performance in real-world travel scenarios, ensuring that you can trust the quality and reliability of your chosen pack.
By following our list of the best 45L travel backpacks, you can make an informed decision that aligns with your travel needs and preferences. Whether you are embarking on a weekend getaway or a multi-week adventure, these backpacks are designed to accommodate your gear while providing comfort and ease of use. With the right backpack, you can travel more efficiently and enjoyably, leaving behind the stress of luggage management and focusing on the journey ahead. Happy travels!
