One way to keep travel costs as low as possible: utilizing the personal-item carry-on bag. And fortunately, our editors try hundreds of products each year, which means we've done our fair share of traveling with the best of the best travel bags that will make your long-haul flights as easy as possible. Our Favorite Personal-Item Bags to ShopWhat Qualifies as a Personal-Item Bag? Each airline has different qualifications on sizes and proportions, so we've listed a few common ones below:Spirit: 8" depth x 14" width x 18" heightFrontier: 8" depth x 18" width x 14" heightUnited: 9" depth x 10" width x 17" heightDelta: 9" depth x 13" width x 17" heightAmerican: 8" depth x 14" width x 18" heightSouthwest: 8.5" depth x 13.5" width x 18.5" heightJetBlue: 8" depth x 13" width x 17" heightAllegiant: 7" depth x 15" width x 16" heightHow We Test the Best Personal-Item BagsThe personal-item bags we chose for the list below combine functionality and style with long-lasting use. Fortunately, we curated the best personal-item bags for planes that you can shop right now, like a top-rated, PS editor-approved weekender bag from Béis.