10 Best 40l Expandable Airline Approved Carry On Backpack in The UK

Last updated on 29/08/2025
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1
9.8
Exceptional
Tortuga 40L Travel Backpack Lite, Black - Large Carry-On Travel Backpack for Men and Women - Durable, Comfortable, Easy to Pack, Airline-Approved Bag with Laptop Compartment
Tortuga
Tortuga 40L Travel Backpack Lite, Black - Large Carry-On Travel Backpack for Men and Women - Durable, Comfortable, Easy to Pack, Airline-Approved Bag with Laptop Compartment
Why We Love It
  • Fits perfectly in overhead bins.
  • Ample space for week-long trips.
  • Comfortable carrying with hip belt.
Main Highlights
  • LARGE TRAVEL BACKPACK: Carry everything you need with this travel bag, built to maximize space in a light, simple build. The 40L capacity allows you to pack for a week or more, no checked bag required.
  • CARRY-ON APPROVED: At 22 x 14 x 8 inches, this bag meets international and US size requirements for carry-on luggage and easily fits in the overhead bins.
  • PREMIUM COMFORT: Designed with generous padding, a sternum strap, load lifter straps, and a hip belt that takes 80% of the weight off your shoulders. This backpack for travel is designed to reduce strain without adding bulk.
  • EASY TO PACK: This convertible travel bag features a front-loading, suitcase-style opening for easy packing, plus a separate compartment a laptop. Two quick-access front pockets keep your essentials close by.
  • BUILT TO LAST: Made by travelers for travelers with durable, 630D CORDURA nylon and best-in-class YKK zippers. This black travel backpack for women and men is strong enough for any adventure.
9.8
Exceptional
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2
9.6
Superb
Save 17%
tomtoc Travel Backpack 40L, TSA Friendly Flight Approved Carry-on Luggage Hand Water-resistant Lightweight Business Rucksack, Durable Large Weekender Bag Daypack Fits 17.3 Inch Laptop, PFAS Free
tomtoc
tomtoc Travel Backpack 40L, TSA Friendly Flight Approved Carry-on Luggage Hand Water-resistant Lightweight Business Rucksack, Durable Large Weekender Bag Daypack Fits 17.3 Inch Laptop, PFAS Free
17% OffFree Shipping
Why We Love It
  • Large capacity for organized storage.
  • TSA friendly and flight approved.
  • Ultra-comfortable with easy carry options.
Main Highlights
  • 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; this backpack is also a great idea as a birthday, Christmas, New Year and Valentine's Day gift. Dimensions: 20.47 x 12.99 x 9.06 inch
  • 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 Pro/Air 2024 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 and hip belt to 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
9.6
Superb
Save 17%
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3
9.5
Superb
Save 24%
MARK RYDEN 17 inch Laptop Backpack for Men 30L-40L Expandable Cabin Size Carry on Travel Backpack with USB Charging Port - YKK Zip
MARK RYDEN
MARK RYDEN 17 inch Laptop Backpack for Men 30L-40L Expandable Cabin Size Carry on Travel Backpack with USB Charging Port - YKK Zip
24% OffFree Shipping
Why We Love It
  • Large, extendable storage capability.
  • Has waterproof material design.
  • Features bonus USB port.
Main Highlights
  • 【22L-37L Expandable Space】 Thanks to the fully extended zip, the laptop backpack space can be increased from 22L to 37 litres. There is 1 laptop compartment with thick padded interior x1, a 12.3 inch iPad compartment x1, an extra large mesh pocket x3, as well as an ultra-deep front pocket and an anti-theft device that can be stored for 2-4 days.
  • 【Business Laptop Backpack】 48 × 15 × 32 cm (conventional), 48 × 25 × 32 cm (extended), suitable for 17 inch/15.6 inch/14 inch laptops etc. flight size approved. This travel backpack perfect for a 3-4 day business trip or a weekend getaway.
  • 【Waterproof Material】 The business backpack is made of hydrophobic material to prevent rain water from entering. However, since the YKK zip seams are not waterproof, please do not stay in the rain for a long time.
  • 【YKK Zipper】YKK zips are solid and silky smooth, extending their life cycle.
  • 【USB port and portability】 This waterproof backpack has a USB port on the side, so you can charge your phone while walking or driving. The luggage strap on the back of the backpack can attach the backpack to the suitcase and make it easier to carry.
9.5
Superb
Save 24%
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4
9.4
Superb
Save 20%
ALTOS OFFICE AND HOME. Expandable & Carry on Backpack, Extra Large 45L Airline Approved TSA, Synthetic Leather, Multiple Compartments, For Laptops up to 17", Water and scratch resistant, Comfortable,
ALTOS OFFICE AND HOME
ALTOS OFFICE AND HOME. Expandable & Carry on Backpack, Extra Large 45L Airline Approved TSA, Synthetic Leather, Multiple Compartments, For Laptops up to 17", Water and scratch resistant, Comfortable,
20% OffFree Shipping
Why We Love It
  • Perfect travel companion for adventures.
  • Expands to fit your needs.
  • Keeps belongings organized and secure.
Main Highlights
  • ✅ Proper size: This backpack meets airline carry-on size restrictions. This means it is compact enough to fit under the front seat or in the overhead bin.
  • ✅ Expandability: The ability to expand is crucial to adapt to changing travel needs. This backpack can expand when you need to carry more items with you, but it can also collapse to meet carry-on size regulations when necessary.
  • ✅ Organizational compartments: This Backpack has several organizational compartments to help you keep your belongings organized and accessible during the trip. This includes internal and external pockets for small items such as passports, boarding passes, phone, headphones, etc.
  • ✅ Durability and water resistance: This backpack is made with durable, water-resistant materials to protect your belongings from the elements and ensure their longevity.
  • ✅ Comfort: This Backpack features padded, adjustable shoulder straps and a padded back panel to offer comfort throughout your trip, especially if you will be carrying the backpack for long periods of time.
  • ✅ Security: This Backpack has additional security features such as sturdy zippers and hidden pockets to protect your valuables while you're on the go.
  • ✅ Technology compatibility: This Backpack goes further: it has padded compartments for laptops or tablets, integrated USB charging ports, and anti-theft systems for greater security.
9.4
Superb
Save 20%
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5
9.4
Superb
LOVEVOOK Travel Backpack Cabin Size Men Women, Carry on Backpack 40L,Large Expandable Flight Approved Hand Luggage Backpacks for Airplanes,Laptop Rucksack 17 Inch, Weekender Hiking Bag
LOVEVOOK
LOVEVOOK Travel Backpack Cabin Size Men Women, Carry on Backpack 40L,Large Expandable Flight Approved Hand Luggage Backpacks for Airplanes,Laptop Rucksack 17 Inch, Weekender Hiking Bag
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Why We Love It
  • Expandable 30-40L storage capacity.
  • Multiple organized compartments included.
  • Flight approved for overhead bin.
Main Highlights
  • 【✅30-40L EXPANDABLE CAPACITY】: This large travel backpack with an expandable design. Before extended is 30L; after extended is 40L. And the carry on backpack comes with 3 packing cubes, a Storage cube, a Shoe cube, and a Toiletries cube, great for organizing.
  • 【✅MULTI COMPARTMENT】:The front compartment with two pockets can be used to store small items. The travel rucksack has a separate laptop compartment, which fits most 18/17.3/17/15.6/inch laptops. There is a wet pocket in the main compartment. An anti-theft back pocket is suitable for valuables.
  • 【✅OPEN 180 DEGREES】: The laptop compartment of the flight approved carry-on backpack opens up to 180 degrees, making it easy to load and unload luggage, such as laptops and iPad.It is useful for quickly passing through airport security checks.
  • 【🛫FLIGHT APPROVED】: The backpack size is allowed to take in the cabin, you can put it in overhead bin. (Cannot be placed under the seat). It is accepted on virtually all significant airlines worldwide; including Easyjet, Ryanair, Jet2, British Airways, Etihad, Norwegian, JetBlue, KLM, Wizz Air, and many other flights.
  • 【✅MULTIPURPOSE】: This travel backpack for men women can be used as a laptop backpack, cabin backpack, weekender backpack, and overnight backpack. It has a hand strap on the side and top, which also can be used as a hand luggage backpack. It is great for business trip, hiking, camping, or 2-7 days traveling.
  • 【😊OUR SERVICE】: 30 days free return and exchange, 24-hour customer service. If you have any problem with our backpack, please do not hesitate to contact us, and we will resolve it.
9.4
Superb
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6
9.2
Superb
BANGE 35L Men's Expandable Laptop Backpack for 17.3Inch Laptop, Carry On Backpack Fits Under Seat Airline Approved, Personal Item Travel Bag for Men
BANGE
BANGE 35L Men's Expandable Laptop Backpack for 17.3Inch Laptop, Carry On Backpack Fits Under Seat Airline Approved, Personal Item Travel Bag for Men
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Why We Love It
  • Expandable with large capacity.
  • Waterproof and sturdy build.
  • Built-in USB charging port.
Main Highlights
  • 【22-35L EXPANDABLE DESIGN】: Before extended is 22L, dimensions are 18.1x11.8x5.5inch; after extended is 35L, dimensions are 18.1x11.8x10.2inch. 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 3-5days daily travel.
  • 【LARGE CAPACITY】: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 books and power bank which can charge your phone. 17inch laptop compartment size: 15.3" x 11.4" (please cheak your laptop size),Backpack Back with padded batter can protect your laptop.
  • 【WATERPROOF & MULTIPURPOSE】:Waterproof Oxford material, internal waterproof pouch to protect your goods from water. The shoulder and handle joints are adopted bold line sewing to make it sturdier. The two thick handles on the top and side are comfortable for long time carrying. All the zippers are durable and smooth which are sturdy explosion-proof. Different compartments with different sizes and features make you to storage items easily and neatly.
  • 【WEEKENDER BACKPACK WITH USB CHARGING】: BANGE backpack travel ensure a secure long-lasting usage everyday or weekend, it is a great companion for business trip, hiking, travel, camping and other outdoor activities. 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.
  • 【Airline Approved Backpack】: Bange 35L travel backpack has the airline limited demension, and it can 180° opening, which can pass the check-in sercurity easily. With the luggage sleeve, it can be place on the luggage tighenly. It can also place on the flight storage bin and underseat on the airline. This item is not intended for use by children 12 and under.
9.2
Superb
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7
9.0
Superb
bagsmart Travel Laptop Backpack, 40L Expandable Carry On Backpack with Packing Cubes, Water Resistant Weekender Backpack Fits 17 Inch laptop, Large Overnight Luggage Daypack with Shoe Bag (Black)
bagsmart
bagsmart Travel Laptop Backpack, 40L Expandable Carry On Backpack with Packing Cubes, Water Resistant Weekender Backpack Fits 17 Inch laptop, Large Overnight Luggage Daypack with Shoe Bag (Black)
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Why We Love It
  • Airline approved, fits overhead.
  • Organized packing with bags.
  • Comfortable for long trips.
Main Highlights
  • 【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, Valentine's Day, Christmas Day
9.0
Superb
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8
8.8
Excellent
Save 25%
HOMIEE Easyjet Cabin Bags 22-40L Expandable Travel Backpack 45x30x17 Underseat Carry On Backpack Flight Approved Hand Luggage Suitcase 15.6 Inch Laptop Rucksack Fit Casual Daypack School Bag Black
HOMIEE
HOMIEE Easyjet Cabin Bags 22-40L Expandable Travel Backpack 45x30x17 Underseat Carry On Backpack Flight Approved Hand Luggage Suitcase 15.6 Inch Laptop Rucksack Fit Casual Daypack School Bag Black
25% OffFree Shipping
Why We Love It
  • Spacious and flexible storage.
  • Waterproof and breathable fabric.
  • Practical USB and headphone port.
Main Highlights
  • 【Spacious & Expandable Carry On Backpack】:This carry on travel backpack is designed with an expandable main compartment, easily increasing capacity from 30L to 40L to adapt to both daily commuting and longer trips. When fully expanded (45×30×30 cm), it can fit enough clothes, shoes, and essentials for 2–7 days of travel. Its cabin size fits within most airline hand luggage limits, including EasyJet, Ryanair, and British Airways. Perfect as a flight approved cabin bag, it’s a must-have for frequent flyers.
  • 【Well-Organised Multi-Pocket Layout】:Stay organised wherever you go with this cleverly designed cabin rucksack. It features two spacious main compartments for clothes and travel gear, a separate padded laptop pocket suitable for laptops up to 15.6 inches, a secure anti-theft pocket at the back for valuables like passports or wallets, and various interior and exterior pockets for toiletries, cables, water bottles, or snacks. Everything has its place, making packing and unpacking a breeze.
  • 【Water Resistant & Wet Separation Pocket】:Built for travel and unpredictable weather, this water resistant travel backpack is crafted from durable hydrophobic material to repel light rain and splashes. Inside the main compartment, a dedicated wet separation pocket allows you to safely store damp towels, swimwear, or toiletries without soaking your dry belongings. A practical companion whether you’re sightseeing, hiking, or on a city break.
  • 【Practical USB Charging Port & Smart Travel Features】:Keep your devices charged on the go with the built-in USB port — simply connect your power bank inside and charge your phone hands-free while walking through the airport or city streets. The sturdy luggage strap allows you to securely fix the rucksack onto your suitcase handle for easy manoeuvring during transit. With reinforced stitching and padded shoulder straps, this backpack combines convenience and comfort for all your trips.
  • 【Versatile For Travel, Business & Everyday Use】:Whether you’re heading on a business trip, a weekend city break or a hiking adventure, this expandable 30-40L hand luggage backpack adapts to your needs. Its smart anti-theft pocket, water resistant fabric, adjustable straps, and modern design make it an ideal companion for men and women alike. If you have any questions, our responsive UK-based customer service team is ready to help you within 24 hours.
8.8
Excellent
Save 25%
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9
8.7
Excellent
BAGODI Carry On Backpack, 40L Flight Approved Travel Backpack for Men Women,Airline Approved Waterproof Business Laptop Daypack
BAGODI
BAGODI Carry On Backpack, 40L Flight Approved Travel Backpack for Men Women,Airline Approved Waterproof Business Laptop Daypack
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Why We Love It
  • Expandable capacity for versatile use.
  • Durable with waterproof material.
  • Multiple compartments for organization.
Main Highlights
  • 【Expandable Travel Backpack】:With an expandable capacity that goes from 22L to 40L, you'll have all the space you need for 3-5 day trips or everyday commuting, giving you the freedom to take everything you need with you. And this carry on backpack meets IATA-approved size requirements, you can easily store it in the overhead bin or under your seat without any hassle. Whether you're traveling around the world or just around town, It is the perfect companion for your next adventure.
  • 【Spacious Capacity & Compartments】:This backpack is perfect for anyone who needs to stay organized. The main compartment is spacious enough to hold all your travel essentials,the front pocket is designed with your small items in mind, offering ample storage for your phone, and more.This laptop backpack also features a dedicated 17inch laptop compartment with extra padding to keep your computer safe on the move. Additionally, there is a discreet side pocket designed to hold a 1000ml water bottle.
  • 【Waterproof & Anti-theft Backpack】:Our men's travel backpacks are made of high density waterproof material with dry and wet separation bags in the main pocket to keep your clothes dry and organized.Plus, the back anti-theft back pocket is a handy feature for storing your valuable. This travel backpack offers a convenient way to charge your cellphone with a built-in USB port and charging cable inside. Whether you're traveling for business or pleasure, this travel backpack is a great choice.
  • 【Practical & Comfortable Design】:This carry on backpack is built to last with heavy-duty zippers and reinforced stitches, ensuring durability for all your travels.The back and shoulder straps are cushioned with breathable sponge mesh, relieving pressure and enhancing ventilation for a comfortable fit. Plus, adjustable chest straps ensure the perfect fit for all body types. The luggage strap keeps it fastened to your trolley, preventing slipping and ensuring smooth and hassle-free transit.
  • 【Multipurpose Backpack】:It is the perfect combination of convenience and versatility. Its two padded handles that allow you to effortlessly switch between using it as a backpack or a suitcase. It's incredibly versatile and can be used as a casual backpack, travel backpack as personal item flight approved, weekender bag, or even a hiking bag. It's perfect for commuters, outdoor enthusiasts, and anyone who needs a reliable and durable backpack for their travels.
8.7
Excellent
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10
8.7
Excellent
Save 15%
Luggex Expandable Travel Backpack, Extra Large Carry On Backpack 35L-45L, Airline Hand Luggage Cabin Bag fits 17.3 Inch Laptop for Men Women Traveling Businesss (Grey, 52x32x16cm)
Luggex
Luggex Expandable Travel Backpack, Extra Large Carry On Backpack 35L-45L, Airline Hand Luggage Cabin Bag fits 17.3 Inch Laptop for Men Women Traveling Businesss (Grey, 52x32x16cm)
15% OffFree Shipping
Why We Love It
  • Expandable for versatile packing.
  • Ergonomic design enhances travel comfort.
  • Durable materials withstand tough conditions.
Main Highlights
  • Expandable Spacious Storage: Size: 52x32x16cm, 35L; After expand: 52x32x22cm, 45L. Ideal for 3-6 day trips, fits an 17.3 inch laptop, clothing, camera bag, and personal supplies. Perfect for short work, business trips, long weekend trips and holidays.
  • Airline Approved: This carry-on backpack flight approved meets most airline size requirements, avoiding checked baggage hassles. Its 180-degree lay-flat opening streamlines security checks for a quick and smooth process.
  • Durable Materials: Our travelling laptop backpack are crafted from high-quality 600D fabric and PVC, supporting up to 20kg, so you can pack with peace of mind. The interior is waterproof, protecting your belongings from moisture in wet conditions.
  • Comfort Meets Safety: Our carry on travel luggage bag offers all-day comfort with adjustable straps, ventilated padding, and an ergonomic chest strap. Large lockable zipper holes allow you to attach a padlock, keeping valuables secure during travel.
  • Well-Organized Design: The main compartment features a mesh pocket for easy packing and plenty of room for essentials. Multiple pockets on the front make the carryon backpack easy to organise and access items. Anti-theft pocket on the back keeps valuables safe.
8.7
Excellent
Save 15%
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