International trips need a pack that fits strict carry-on limits and keeps valuables secure. Related: our shortlist of the best 40L backpack for carry on travel.
These are the best for international travel.
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Quick Picks
- Best overall: Osprey Farpoint 40 Men’s
- Best women’s: Osprey Fairview 40 Women’s
- Best lockable: Osprey Daylite Carry-On 44
- Best security: Thule Landmark 40L
- Best budget: Tolaccea 40-50L Travel Backpack
Comparison Table
| Product | Best for | Capacity | Standout feature | |
|---|---|---|---|---|
| Osprey Farpoint 40 Men’s | Best overall | 40L | Carry-on ready, load-lifting frame | View |
| Osprey Fairview 40 Women’s | Best women’s | 40L | Women’s-specific harness | View |
| Osprey Daylite Carry-On 44 | Best lockable | 44L | Clamshell, lockable zippers | View |
| Thule Landmark 40L | Best security | 40L | Hidden CashStash, LoopLocks | View |
| Tolaccea 40-50L Travel Backpack | Best budget | 40-50L | Suspended side-access laptop sleeve | View |
Detailed Reviews
1The Farpoint 40 is one of the most recommended one-bag travel packs for good reason. It meets most carry-on size limits, opens wide like a suitcase, and has a real load-lifting frame with a men’s-specific harness.
WingJacket compression straps cinch the pack down when it is not full, a direct-zip 3-1-1 pocket keeps liquids ready for the security line, and front and bottle pockets handle quick-grab items. It is not cheap, but it carries better than most travel backpacks because it borrows its suspension from Osprey’s hiking packs.
Pros & Cons
What we like
- Suitcase-style opening
- Real frame and hip belt
- 3-1-1 liquids pocket for security
Watch out for
- Premium pricing
- Hip belt adds bulk in the overhead bin
Key Specs
- Capacity: 40 liters
- Fit: men’s-specific
- Frame: load-lifting
- Compression: WingJacket
- Carry-on: meets most limits (check your airline)
2The Fairview 40 is the women’s version of the Farpoint 40, with the same carry-on-friendly shape and suitcase-style opening but a harness and hip belt shaped for a women’s torso, shoulders and hips.
That fit is the whole point. Straps that curve around the chest and a hip belt angled for wider hips put weight where it belongs, which matters on long walks between stations or across old-town cobbles. It also gets WingJacket compression, a 3-1-1 liquids pocket and quick-access front pockets.
Pros & Cons
What we like
- Women’s-specific straps and hip belt
- Opens fully like a suitcase
- Carry-on friendly size
Watch out for
- Premium pricing
- Fewer internal organizer pockets than tech bags
Key Specs
- Capacity: 40 liters
- Fit: women’s-specific
- Frame: load-lifting
- Compression: WingJacket
- Liquids: direct-zip 3-1-1 pocket
3The Daylite Carry-On 44 squeezes the most volume out of a carry-on footprint. Osprey says it meets most airline carry-on limits when compressed, and it opens clamshell-style with lockable zippers.
A padded laptop sleeve and an external toiletry pocket keep security checks fast, and the ventilated back panel is a real upgrade over flat-backed luggage-style bags. It is a smart pick for travelers who want maximum room without paying checked-bag fees, as long as you compress it before you fly.
Pros & Cons
What we like
- 44 liters in a carry-on footprint
- Lockable zippers
- Padded laptop sleeve
Watch out for
- Must be compressed to meet limits
- Minimal hip belt
Key Specs
- Capacity: 44 liters
- Opening: full-zip clamshell
- Laptop: padded sleeve
- Security: lockable zippers
- Toiletries: external pocket
4The Thule Landmark 40L is a carry-on adventure travel pack with security features for cities and transit. A hidden CashStash pocket under the SafeZone holds a passport and cash, and LoopLocks secure zipper pulls to deter pickpockets.
It also fits a 15-inch MacBook and a 12.9-inch tablet. It is a strong choice for international trips where theft protection matters as much as capacity.
Pros & Cons
What we like
- Hidden passport and cash pocket
- LoopLocks deter pickpockets
- Laptop and tablet storage
Watch out for
- Premium pricing
- Heavier than ultralight packs
Key Specs
- Capacity: 40 liters
- Security: CashStash, LoopLocks
- Laptop: 15 in MacBook
- Tablet: 12.9 in
5Tolaccea’s expandable travel backpack is a value pick for people who travel with a laptop. The 15.6-inch laptop compartment is suspended off the bottom to soften knocks, and it opens from the side so you can grab the laptop without opening the main compartment.
It works as a carry-on, a work bag and a duffel-style weekender. The expansion zip adds room for souvenirs on the way home, though a fully expanded bag may no longer meet stricter carry-on limits.
Pros & Cons
What we like
- Suspended laptop sleeve
- Side access to laptop
- Expands for the return trip
Watch out for
- Expanded size may exceed carry-on rules
- Bulky for daily commuting
Key Specs
- Capacity: 40-50 liters (expandable)
- Laptop: up to 15.6 in, suspended
- Access: side laptop zip
- Use: carry-on, work, weekend
How We Chose
We compared capacity, fit range, weight, carry system, materials, pockets and carry-on dimensions across dozens of backpacks, then read verified owner feedback to find comfort and durability problems that spec sheets miss. We did not receive free products, and we do not claim hands-on testing. TOR Scores combine published specs, verified owner feedback and overall value. If you are comparing options, our guide to the best 40L backpack carry on is worth a look.
What to Look for in an International Travel Backpack
International trips add stricter carry-on rules, more transit and more risk of pickpockets. Choose a pack that handles all three.
- Size and weight. European and Asian carriers often have smaller carry-on dimensions and weight caps around 7 to 10 kg. A light, compressible pack is safer than a heavy wheeled one.
- Security. Lockable zippers, hidden passport pockets and slash-resistant fabric help in busy stations.
- Comfort. A real hip belt is worth it on long walks between trains, buses and hotels.
- Versatility. A pack that looks neutral works in cities, airports and on day hikes.
Keep copies of your passport and important documents separate from the originals, and carry a small daypack for days out so your main bag can stay locked at your accommodation. For a closer look, see our guide to the best 40L backpack travel picks.
Carry-On Rules for 40L Backpacks
Liters measure volume, not dimensions, so a 40L pack can be either carry-on friendly or too long depending on its shape. Check the listed dimensions, not just the capacity.
- Main carry-on. Many US carriers allow roughly 22 x 14 x 9 inches. Most 40L travel packs are built around that size.
- Personal item. Budget airlines often limit free personal items to about 18 x 14 x 8 inches or less. The LOVEVOOK 40L is marketed for that size, but rules vary by airline and fare.
- Weight limits. Some international airlines cap carry-on weight at 7 to 10 kg. Heavy wheeled bags use up a lot of that allowance before you pack anything.
- Liquids. Keep liquids, gels and aerosols in a quart-size bag in an outside pocket so you can pull them out quickly.
Gate agents care about how the bag looks, too. A compressed, tidy pack that fits the sizer is far less likely to be challenged than an overstuffed one. We cover this in more depth in our roundup of the best 40L backpack for travel.
How to Choose a 40L Travel Backpack
A 40L travel backpack is the classic one-bag size. It holds a week or more of clothes and usually still fits within carry-on limits, so you skip checked-bag fees and baggage-claim waits. For a different angle, see our picks for the best 40L backpack with wheels.
- Carry-on size. Many US airlines allow carry-on bags around 22 x 14 x 9 inches, but international and budget carriers are often stricter. Always check your airline before you fly.
- Clamshell opening. A zip that opens the bag like a suitcase makes packing and finding items much easier than a top-loader.
- Compression. Straps that cinch a half-full bag keep it inside size limits and stop contents from shifting.
- Laptop sleeve. A separate sleeve speeds up security screening and protects your device.
- Harness. Padded straps, a sternum strap and a hip belt make a big difference when you walk from the station to your hotel.
- Security. Lockable zippers and hidden pockets help in crowded places.
Packing cubes turn a 40L bag into a tidy, easy-to-unpack system. Roll clothes rather than fold them, and wear your bulkiest shoes and jacket on travel days.
Related guides: best 40l backpack for international travel, best 40l cabin backpack, best 40l travel backpack carry on. Browse every pick in our Backpacks category.
Sources and further reading: National Park Service: the Ten Essentials, Leave No Trace: the 7 Principles and National Park Service: camping basics. Product specs come from brand listings on Amazon; always check your airline’s current carry-on size rules before you fly.
Frequently Asked Questions
Is a 40L backpack carry-on size?
Many are designed around common carry-on limits, but airlines differ; check dimensions and your airline’s rules.
How many days of travel can a 40L backpack hold?
With packing cubes and quick-dry clothes, many travelers fit five to seven days.
Can a 40L pack hold a laptop?
Travel and commuter packs usually have a padded laptop sleeve; hiking packs often do not.
How much should a 40L pack weigh?
Frameless packs can be about 1 to 2 lb; framed hiking and travel packs often weigh 2.5 to 4 lb.
Are 40L backpacks waterproof?
Most are water resistant; use a rain cover or liner, or choose a roll-top waterproof pack.
Final Verdict
The Osprey Farpoint 40 is the best international carry-on backpack.
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