Best 45 × 36 × 20 cm bags
Real suitcases and backpacks that fit inside 45 × 36 × 20 cm — measured with wheels and handles, each showing the tightest margin so you know how safe it is. This size is free cabin baggage on 55 airlines.
Safe picks — room to spare
Tight fits — measure carefully
Prices, availability and product specifications can change. Fit is calculated from dimensions; see our methodology.
Free cabin baggage on
British Airways
Southwest Airlines
SaudiaFAQ
What are the best 45 × 36 × 20 cm bags?+
We list 14 bags that fit within 45 × 36 × 20 cm, led by Herschel, Dakine, tomtoc, Gonex. The safest picks leave a clear margin on every side so they still fit when packed full.
Which airlines does a 45 × 36 × 20 cm bag fit for free?+
A 45 × 36 × 20 cm bag is free cabin baggage on 55 airlines, including Jet2, British Airways, Southwest Airlines, Aegean Airlines.
Should I choose a bag smaller than the limit?+
Yes — a little smaller is safer. Manufacturer sizes can exclude wheels or handles, and a bag bulges when full. We mark any bag within 0.5 cm of the limit as “tight” so you can pick one with room to spare.