How to Choose a Suitcase | Fit the Trip, Not the Store

The right suitcase starts with one question: where are you going and how are you getting there? Destination, trip length, and whether you’ll check the bag determine the size and features you actually need. Skip this step and you’ll either wrestle an oversized bag onto a cramped flight or pay overweight fees at check-in. The rest is matching a bag’s weight, wheels, handle, and durability to how you pack.

Match the Size to Your Trip and Airline First

Trip length sets the size range, but airline rules set the hard limits. Domestic U.S. carriers commonly use 22 x 14 x 9 inches as the carry-on maximum, yet that’s not universal — limits vary by airline and sometimes by aircraft. Consumer Reports says to ignore any “official carry-on luggage” label unless you verify the airline’s actual rules, because those limits vary.

For checked bags, most U.S. airlines cap total linear inches (length + width + height) at 62 — exceeding that triggers oversized baggage fees. A practical rule of thumb: a carry-on under 45 total linear inches, a checked bag under 62, and a 22″ x 9″ x 14″ suitcase or smaller for domestic carry-on travel.

When you measure a suitcase, include everything: wheels at the bottom, handle at the top, and the full exterior depth front to back. Store labels often quote interior or partial dimensions.

Weight, Wheels, and Handle: What to Test in Person

An empty bag’s weight eats your packing allowance. Consumer Reports suggests roughly 7 pounds or less for wheeled bags and 2 to 4 pounds for nonwheeled bags. A heavy shell might feel sturdy, but it leaves less room for actual belongings before you hit airline limits.

Spinner wheels are the common recommendation because they roll more easily under load. Pick the bag up and roll it across a hard floor: wheels should spin smoothly, sit firmly attached, and not wobble. Then extend the telescoping handle fully and check for minimal rattle or give — a loose handle is a main failure point on cheap luggage.

Hard Shell or Soft Shell, and Which Features Matter

Hard-shell cases generally offer more protection but weigh more and cost more; soft-shell bags are lighter and cheaper but less durable, and they stretch to squeeze into tight overhead bins. The trade-off comes down to what you carry and how roughly it gets handled.

• Interior organization: compartments, pockets, and compression straps keep items tidy and improve packing efficiency.
• Expandable sections: add flexibility when returning with more than you left with.
• Zipper quality: test the zippers — they should run smoothly without catching.
• TSA locks: a TSA-function lock allows airport screeners to open the bag without damaging the lock, a sensible choice for U.S. travel.
• Warranty: a solid warranty should cover wheels, handles, and structural damage.

For road trips, prioritize a bag that flexes and fits the trunk rather than one built to airline specs. If the bag won’t fit the car, the airline rules never mattered.

The Most Common Buying Mistakes

Buyers repeatedly make the same errors: trusting the store label instead of measuring true exterior dimensions, picking a bag too heavy when empty, ignoring the specific airline’s rules, and skipping the handle-and-wheels test. Each one turns a good trip into a hassle at check-in or the baggage carousel.

When you’re ready to buy, our tested picks for affordable international luggage compare real weights, dimensions, and build quality side by side.

Consumer Reports’ luggage buying guide covers the same ground in more depth, and Samsonite’s luggage size guide breaks down dimensions by trip length. Between the two, you can verify any bag against your airline’s current limits.