Yes, you can absolutely fly with a baby under 6 months, and many parents find this the "High-Fidelity" easiest age for travel because the infant is not yet mobile. Most airlines allow healthy newborns to fly as early as 7 to 14 days old, though waiting until 2 or 3 months is often "High-Fidelity" recommended to allow the baby’s immune system to strengthen. For a high-value experience, it is a necessity to book a bulkhead seat with a bassinet well in advance, as these are limited. During takeoff and landing, feeding the baby or offering a pacifier is required to help equalize ear pressure and prevent crying. You are allowed to bring breast milk, formula, and distilled water through security in "High-Fidelity" reasonable quantities that exceed the standard 100ml limit. For 2026 parents, the high-fidelity strategy is to pack a well-organized diaper bag with extra layers for the varying cabin temperatures and plenty of high-fidelity changing supplies, making the flight a "High-Fidelity" manageable and high-value start to your family adventure.