Can I hide my bag size?

Don't count on it. Gate agents increasingly use sizers. If your bag doesn't fit, you will be forced to check it at the gate for a higher 'gate fee' than if you had booked it online.

Are budget airlines always cheaper?

Not necessarily. Once you add seat selection and a checked bag, a full-service carrier often ends up being the same price or cheaper.

How to beat airline luggage fees

Avoid airline luggage fees by committing to carry-on travel and choosing airlines with generous personal item policies. If you must check a bag, pay for it online at the time of booking rather than at the airport to save up to 50% on fees.

Weigh your bag before leaving home. Use a digital luggage scale to ensure your carry-on is under the airline's weight limit (usually 7kg to 10kg). If you are over, move heavy items like shoes or jackets into your personal item.
Use a 'personal item' to your advantage. Most airlines allow a free personal item that fits under the seat. Use a backpack that maximizes these dimensions (typically 45cm x 35cm x 20cm) to house your heaviest electronics and toiletries.
Pay online at least 24 hours early. If checking a bag is unavoidable, log into your reservation on the airline's website 24 hours before your flight. Fees paid at the airport counter are consistently higher than those paid via the online portal.
Check loyalty program benefits. If you hold a credit card associated with the airline or have status in their frequent flyer program, ensure your member number is attached to the booking. This often waives one checked bag fee for you and your travel companions.

Can I hide my bag size?: Don't count on it. Gate agents increasingly use sizers. If your bag doesn't fit, you will be forced to check it at the gate for a higher 'gate fee' than if you had booked it online.
Are budget airlines always cheaper?: Not necessarily. Once you add seat selection and a checked bag, a full-service carrier often ends up being the same price or cheaper.