Size and Weight Restrictions for Personal Items for 56 Popular Airlines. Down below, you'll find the size and weight rules for personal items on 56 major airlines. We try to keep this list up to ...

Personal items up to 18 x 14 x 8 without weight measurements must also fit under the seat or in an overhead bin. British Airways. British Airways allows a carry-on cabin bag to be 22 x 18 x 10 inches.

The best strategy is to ensure your personal item conforms to the smallest standard (Southwest’s 16.25 by 13.5 by 8 inches). Don’t try to bring anything that defies the norms of the personal item.

Our picks for the best personal items and underseat bags include backpacks, duffels, and totes that we've tested for portability and functionality. Business Insider Subscribe Newsletters ...