While most major airlines allow you to gate-check a stroller for free, it is not a "universal" guarantee for every type of equipment. In 2026, airlines generally permit one fully collapsible stroller per child to be used through the airport and handed over at the aircraft door. However, oversized, non-collapsible, or exceptionally heavy strollers (often those over 20kg/44lbs) may be rejected at the gate and required to be checked as "oversized luggage" at the main counter, potentially incurring a fee. Additionally, some ultra-low-cost carriers (ULCCs) have stricter size limits for what can be brought to the gate. A high-value peer strategy is to use a stroller travel bag to protect the item from grease and damage in the cargo hold. If your stroller is "cabin-approved" (compact enough to fit in the overhead bin), you may be able to take it on board, but most airlines prefer gate-checking to save cabin space. Always confirm the "tagging" requirement at the check-in counter to ensure your stroller is waiting for you at the jet bridge upon arrival.