Detective Pux here, and I've got a case to solve. Today, we're talking about the top 10 lightest carry-on bags that will work within the size restrictions of Ryanair and other budget airlines. So, let's get cracking!

First of all, let me tell you, finding a lightweight carry-on bag that fits within the strict size limits of budget airlines can be a challenge. But fear not, my friends, because I've scoured the internet and compiled a list of the top 10 lightest bags that are perfect for budget travel.

1. Samsonite Aspire Xlite Softside Spinner 19" - This bag weighs in at just 5.9 pounds and has a capacity of 39.5 liters. It's made of durable polyester and has four multi-directional spinner wheels for easy maneuverability.

2. American Tourister Ilite Max Softside Spinner 21" - This bag weighs just 6.5 pounds and has a capacity of 42.5 liters. It's made of lightweight polyester and has four spinner wheels for easy handling.

3. AmazonBasics Hardside Spinner 20" - This bag weighs in at a mere 6.9 pounds and has a capacity of 31 liters. It's made of a durable polycarbonate shell and has four spinner wheels for easy mobility.

4. Aerolite Carry On Luggage - This bag weighs just 4.62 pounds and has a capacity of 33 liters. It's made of lightweight and durable polyester and has two wheels for easy maneuverability.

5. IT Luggage World's Lightest Los Angeles Softside Carry On - This bag weighs in at just 3.81 pounds and has a capacity of 33.5 liters. It's made of high-density polyester and has two wheels for easy handling.

6. Rockland Safari Hardside Spinner 20" - This bag weighs just 6 pounds and has a capacity of 38 liters. It's made of a durable ABS plastic shell and has four spinner wheels for easy movement.

7. Travelpro Maxlite 5 Softside Spinner 21" - This bag weighs in at just 5.4 pounds and has a capacity of 46.5 liters. It's made of a lightweight polyester fabric and has four spinner wheels for easy maneuverability.

8. Victorinox Spectra 2.0 Hardside Spinner 21" - This bag weighs just 6.2 pounds and has a capacity of 31 liters. It's made of a durable polycarbonate shell and has four spinner wheels for easy handling.

9. Tumi V3 Compact Carry-On 4 Wheeled Briefcase - This bag weighs in at 6.6 pounds and has a capacity of 28 liters. It's made of a lightweight and durable polycarbonate shell and has four spinner wheels for easy movement.

10. Osprey Farpoint 40 Travel Backpack - This bag weighs just 3.17 pounds and has a capacity of 40 liters. It's made of lightweight and durable nylon and has a comfortable backpack-style harness for easy carrying.

So, there you have it, my friends. The top 10 lightest carry-on bags that will work within the size restrictions of Ryanair and other budget airlines. With these bags, you'll be able to pack all your essentials without having to worry about exceeding the weight limit. And who knows, maybe you'll even have some room for souvenirs on the way back!

Remember, when it comes to packing for budget travel, every ounce counts. So, choose your bag wisely and pack smart. And if you need any more detective work, you know who to call. Detective Pux, at your service!