The 5 Best Carry-On Travel Backpacks

The Short List

The Winner: Osprey Farpoint 40

I'll be honest, I rolled my eyes at the Osprey for years. It's the backpack that every travel blogger recommends, and I figured it was a marketing cult. Then I actually took it on a six-week trip through Italy and Greece, and I understood. It's not a backpack. It's a suitcase that you can wear, and it's the best one I've tested.

The Farpoint 40 weighs 3.5 pounds empty. That's heavy for a backpack, but it matters less than you think because the weight distribution is excellent. The hip belt transfers the load to your hips instead of your shoulders, and that's the difference between walking a mile through Rome and wanting to lie down in the street. I packed it with three packing cubes, a pair of boots, a toiletry bag, and a backpack that I wore on the front. Total weight was 22 pounds, which is over the 7kg carry-on limit for budget airlines, but that's a problem with your packing, not the bag.

The suspension system is where the Farpoint wins. The frame is a lightweight wire that keeps the bag off your back, so you don't end up with a sweaty spine after an hour of walking. I've tested bags at this price point that have zero ventilation, and you end up looking like you ran a marathon in a raincoat. The Farpoint's trampoline mesh keeps airflow moving, and that's not a small thing when you're hauling a full load through a train station in July.

Here's the criticism. The Farpoint 40 has a laptop sleeve that's positioned at the back of the main compartment, which means you have to unzip the whole front panel to get your computer out. That's a pain at airport security. You're standing there, holding up the line, digging through packing cubes to find your laptop. It's a design flaw, and I don't understand why Osprey hasn't fixed it in a decade.

At $185, the Farpoint 40 costs about $1.50 per week if you use it for two years of serious travel. That's cheap. I've seen $70 bags fall apart in a month, and I've seen $400 bags that don't fit the bin. The Farpoint fits the sizer on Delta and Allegiant, and it's close on Lufthansa, which is more than I can say for most hard-side cases. It's a little workhorse that took a beating on the belt and came back looking like it wanted more. That's the highest compliment I can give a bag.

Best Value: Cotopaxi Allpa 35

The Cotopaxi Allpa 35 is the budget pick, but don't call it cheap. At $200, it's actually the same price as the Osprey, but it's a different kind of bag. It opens like a suitcase, which is brilliant if you're the kind of person who hates digging through a top-loading backpack to find a sock. You unzip it, and everything is right there. One side has compression straps for clothes, the other side has pockets for tech and toiletries. It's the most organized bag I've tested, and I say that as someone who usually hates organization because it adds weight.

The Allpa 35 weighs 3.2 pounds empty, and it's made from a ripstop material that's survived two round trips to Florida and a week in New York. I've checked it, I've crammed it under a seat, and I've thrown it in the overhead bin with zero care. It's held up. The clamshell opening means you can't overpack it, which is a feature, not a bug. You're forced to be efficient, and that's what one-bag travel is about.

The problem is the hip belt. It's a thin strip of webbing that doesn't transfer weight properly. If you're carrying more than 15 pounds, you feel it in your shoulders. The Farpoint's hip belt is a proper padded harness, and the Allpa's is an afterthought. If you're planning to walk long distances with a full load, this isn't the bag for you. If you're going from airport to cab to hotel, it's fine.

At $200, the Allpa 35 works out to about $1.60 per week over two years. It's not the cheapest option, but it's the cheapest bag that I'd trust for a real trip. I'd take it on a two-week trip to Japan, which is more than I can say for the Samsonite Eco Glide.

What to Look For

Weight. The first spec I check is empty weight. A 4-pound backpack eats into your 7kg carry-on limit before you pack a single shirt. That's 1.8kg gone before you start. The Osprey Farpoint weighs 3.5 pounds, the Cotopaxi weighs 3.2 pounds. Anything over 4 pounds is a red flag. You want a bag that's light enough to leave room for the stuff you actually need.

Harness and hip belt. This is where cheap bags fail. A proper hip belt takes the weight off your shoulders and puts it on your hips, which is where your body is designed to carry it. The Farpoint has a real hip belt. The Allpa has a strip of webbing. The Wrangler has nothing. Test the bag with 15 pounds in it before you buy. If it hurts your shoulders in the store, it'll be worse on day three of a trip.

Bin fit. A carry-on backpack needs to fit in the overhead bin, and that's not a given. The Farpoint 40 fits Delta and Allegiant sizers, but it's close on Lufthansa. The Allpa 35 fits everything I've thrown it into. The Samsonite Eco Glide fits, but it's a commuter bag, not a travel bag. Check the dimensions against the airline's published sizer measurements before you buy. It's the most honest document in travel.

Expansion. Some backpacks have a zipper that expands the depth by a few inches. That's useful if you need to cram a pair of boots in at the last minute, but it's a double-edged sword. An expanded bag won't fit the sizer, and I've seen travelers get gate checked because they forgot to zip it back down. The Farpoint doesn't expand, which is a feature. It forces you to pack properly.

Frequently Asked Questions

Is a backpack better than a rolling carry-on? Depends on your trip. If you're going from airport to hotel to cab, a roller is fine. If you're walking through train stations, cobblestone streets, or anywhere with stairs, a backpack wins. I've watched people struggle with rollers on the Metro in Paris, and I've never once regretted having a backpack on my back.

Will a 40-liter backpack fit under the seat? No. A 40L bag is overhead bin territory. If you want a personal item that fits under the seat, you're looking at 25L or less. The Farpoint 40 is not a personal item. It's a carry-on. Know the difference before you buy.

What's the real weight limit for carry-on backpacks? The 7kg limit on European carriers is brutal. That's about 15 pounds, and if your bag weighs 3.5 pounds empty, you have 11.5 pounds for everything else. It's tight. I've seen travelers get stopped at the gate in Amsterdam over a 2-pound overage. Pack like you're going to be weighed, because you might be.

How long should a travel backpack last? If you're flying twice a year, a $100 bag should last you three to four years. If you're a frequent flyer like me, expect to replace a budget bag every year. The Farpoint has been in my rotation for 18 months, and it's showing zero signs of wear. That's the cost-per-day math working in your favor.

Final Verdict

The Osprey Farpoint 40 is the best carry-on travel backpack I've tested, and it's not close. It fits the bin, it carries weight properly, and it's survived 18 months of my abuse without a single broken zipper or torn strap. At $185, it costs about $1.50 per week over two years. That's the best deal in travel gear.

The Cotopaxi Allpa 35 is a close second if you value organization over comfort. The clamshell opening is genius, and the price is the same. Just know that the hip belt is weak, and you'll feel it on long walks.

Skip the Samsonite Eco Glide unless you're a commuter who needs a big daypack. Skip the Wrangler unless you're buying it for a kid. And don't even think about the $400 "premium" brands. I've seen them dent on the same belt that a $185 Osprey survives. That's not a coincidence. That's physics.

You're rolling the dice every time you buy luggage. The Farpoint is the best odds I've found.

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