Cabin bag tool

Tell us which airlines and fares you're flying, and we'll work out the biggest bag you're allowed to bring — one that's accepted on all of them, plus the weight limits that go with it. Already have a bag? We can check if it's allowed instead.

Build your combination Pick your airlines and fares to find the biggest bag you can bring Check your bag Check if a bag you already own is allowed

All 12 airlines, one at a time.

Affiliate disclosure This site doesn't have Amazon affiliate links yet. Everything you see here comes from checking real airline size rules — not from any paid deal.