Carry-on suitcases for international flights: size limits, weight and wheels
What carry-on size fits most international airlines? Start with published cabin limits such as United's 9 x 14 x 22 in, then compare how Quince, Away and Samsonite list their sizes, with notes on weight and measuring.
Start with the airline's own limit
There is no single worldwide cabin-bag size. Samsonite states that carry-on sizes vary depending on the airline's specific regulations, so the airline you fly is the final authority. United Airlines, for example, requires carry-on bags to be no larger than 9 in x 14 in x 22 in.
Quince states that its carry-on sizes fit most airline cabin guidelines globally, and identifies that benchmark as 22 in x 14 in x 9 in. That is a maker's claim and matches the United figure, so it is a reasonable target size when you fly several airlines, but it does not replace checking each carrier.
How to measure and what to check
United says measurements must include the handle and wheels. A bag listed by its shell size alone can exceed a limit once wheels and handles are counted, so look for exterior dimensions that include them.
- Check the airline's exact maximum dimensions before flying.
- Measure exterior dimensions including wheels and handles.
- Aim for about 22 x 14 x 9 in for broad international compatibility.
- Confirm weight limits, which may start around 11 lb on some airlines.
- Check cabin class and aircraft-specific rules.
- Verify whether expanded depth is permitted if the bag has an expansion zip.
- Account for side pockets and other protrusions.
Trade-offs: weight, wheels, shell and expansion
Empty weight matters because some airlines set weight limits that may start around 11 lb. A bag that is already 7.5 lb empty, as Away lists for its Carry-On, leaves limited room for contents under a limit of that size.
Wheels and handles count toward the measured size, so a bag's dimensions with wheels are the number to compare. An expandable zip adds depth, so confirm the airline allows the expanded size or keep the bag zipped closed at the gate.
Shell material, such as the polycarbonate used on the Quince model, is worth comparing on each maker's spec page. Compare listed dimensions and weight rather than assuming they match across brands.
How the options compare
The options below are drawn from maker and airline pages. Quince's listed size runs slightly over the 22 x 14 x 9 in benchmark, while Away's listed size is closer to it. Samsonite organizes its range by size category rather than a single bag.
- Quince Carry-On Polycarbonate SuitcaseQuince lists external dimensions including wheels of 23.1 in H x 15.2 in W x 9.53 in D, which is larger than the 22 x 14 x 9 in benchmark, so check your airline's limit first. The brand states its carry-on sizes fit most airline cabin guidelines globally. It fits shoppers who want a polycarbonate shell and will verify the airline limit.https://www.quince.com/unisex/carry-on-plus-polycarbonate-suitcase
- Away Carry-OnListed at 21.7 in x 14.4 in x 9 in, 7.5 lb and 41 L capacity. Check whether the listed dimensions include wheels and handles against your airline's rule. It fits travelers who want a stated capacity and weight to compare.https://www.nytimes.com/wirecutter/out/affiliate/v1/Away/23189/124979/4/callout/3209541b7a61491381c4052a82093757/1
- Samsonite International Carry-OnSamsonite lists an International Carry On size category of 18 in to 21 in and notes that sizes vary by airline. It fits travelers who want a smaller bag and will pick a model within that category.https://shop.samsonite.com/luggage-carry-on-luggage/
How we chose
Options were found from airline and maker pages, including United Airlines, IATA baggage pages, Quince, Samsonite and a listing for Away. Figures are taken from those pages as published. CarefulPick did not test any of these products, and limits change, so confirm your airline's current rules before you fly.