Best Travel Backpacks UK 2026 — Cabin-Approved & Airline Ready

You're allowed a personal item on most UK flights — and the right travel backpack can save you a fortune in hold luggage fees.

The problem is most backpacks are either too big, too flimsy, or not designed with airline size rules in mind. This guide cuts through the noise.

What Size Backpack Is Allowed on UK Flights?

Airline personal item rules vary — but the most common size limits for UK carriers in 2026 are:

• easyJet: 45×36×20cm (under seat personal item)
• British Airways: 40×30×15cm (under seat bag)
• Jet2: 35×20×20cm (personal item)
• Ryanair: 40×20×25cm (free personal item)

A backpack measuring 40×20×30cm sits within or very close to most of these limits — making it the sweet spot for UK travellers who want to travel carry-on only without paying for cabin bag overhead locker space.

What Makes a Good Travel Backpack?

The best travel backpacks for UK flights share these features:

• Correct dimensions — fits under the seat or in the overhead locker within airline rules
• Water-resistant material — protects your belongings from rain and airport handling
• Multiple compartments — keeps your essentials organised and accessible
• Comfortable carry — padded straps and back panel for airport walks
• Durable zips — smooth, robust, and built to last beyond one trip

KONO Cabin Travel Backpack 40×20×30cm — Our Pick

The KONO BPK2601 Cabin Travel Backpack is our top pick for UK travellers in 2026. Here's why:

• 40×20×30cm — fits easyJet personal item and Ryanair free bag allowances
• Water-resistant outer shell — keeps your gear dry whatever the British weather throws at you
• Multiple compartments — dedicated laptop sleeve, front organiser pocket, and main compartment
• Padded back panel and straps — comfortable for long airport transfers
• Available in multiple colours — Black, Navy, Green, Pink, and Beige/Brown

Who Should Buy a Travel Backpack Instead of a Cabin Suitcase?

A travel backpack is the right choice if you:

• Travel light and want to avoid check-in queues entirely
• Use budget airlines where hold luggage fees add up fast
• Need hands-free carrying through airports and cities
• Are going on a short city break or weekend trip
• Want one bag that works as both your personal item and day bag at your destination

A cabin suitcase is better if you need to pack more, prefer organised packing with a hard shell, or travel frequently with a full wardrobe.

Can I Use a Travel Backpack as My Only Bag?

Yes — for trips of 2–4 nights, a well-packed 40×20×30cm backpack is all you need. The key is packing cubes to compress clothing and keeping toiletries in a clear zip bag for security. You'll breeze through the airport while everyone else queues at bag drop.

Frequently Asked Questions

What is the best travel backpack for easyJet?

A backpack measuring 40×20×30cm fits within easyJet's personal item allowance and can be taken on board free of charge. The KONO BPK2601 meets these dimensions.

Are travel backpacks allowed as cabin bags on UK flights?

Yes — as long as they meet the airline's size requirements. Always check the specific airline's current rules before you fly as these can change.

Is a 40×20×30cm backpack big enough for a weekend trip?

Yes — for 2–3 nights it's more than enough, especially with packing cubes. You can fit 2–3 outfits, toiletries, a laptop, and travel essentials comfortably.

🧳 Ready to travel lighter? Browse our full range of cabin-approved travel backpacks at Neil's Luggage Store — use code NOV10 for 10% off until 15 September 2026. Free UK delivery on orders over £75.

Neil White — Founder, Neil's Luggage Store. Authorised UK retailer for KONO luggage.