I completely understand your needs, and as someone who's been backpacking on a budget for years, I can share some insights that should help you find the right backpack.
For starters, I've had excellent experiences with the Osprey Farpoint 40. It's one of the sturdiest and thoughtfully designed backpacks I've used, especially priced under $200, which I found reasonable given its robust features. The Farpoint's main benefit is its size—it adheres to most budget airlines' carry-on limits, which saves both time and money by avoiding baggage fees. Though it's compact, it offers ample room to pack for diverse climates, making it quite versatile for multi-week trips.
When choosing a backpack, I'd recommend paying close attention to the following features:
Comfort and Fit: Look for adjustable shoulder straps and a hip belt, which help distribute weight evenly. Trying on the backpack with a bit of weight will give you an idea of how it'd feel on the road. The mesh back panel of the Farpoint adds to the comfort, preventing my back from sweating too much on hot days.
Water Resistance: Though not all backpacks are fully waterproof, it's advantageous to have at least some level of water resistance. Many Osprey models offer this to an extent, though it's still wise to pack a lightweight rain cover.
Compartments and Organization: Having multiple compartments can be a lifesaver for keeping things organized and easily accessible. Consider one with a clamshell opening, like the Farpoint, so you can lay it flat and access contents conveniently without having to pull everything out.
Durability: Look for durable materials like ripstop nylon, which withstands wear and tear. I've dragged my backpack across all sorts of terrain, from city streets to mountain trails, and it's held up remarkably well.
I personally echo the balance between price and practicality found in brands like Osprey, Deuter, or even REI Co-op, which often has competitive pricing and solid return policies.
As for tips beyond buying, I suggest packing cubes for organization; they help maximize space and keep your clothing tidy. You might also want to do a test pack to ensure you can efficiently fit all your essentials and still feel comfortable carrying it around.
Lastly, a thoughtful follow-up question: Have you nailed down your main activities for the trip? That might influence specific features you'd prioritize more—for instance, if you're planning to hike often, a hydration reservoir could be useful. Always happy to provide more adventurous insights!