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Before you book
Under 2, a baby can fly as a lap infant for free (or a small fee internationally) on most airlines. You can also buy a seat and bring an FAA-approved car seat, which is safer and lets the baby sleep in a familiar spot. For flights under about three hours, lap is fine for most families. For long or overnight flights, a seat is worth it.
On international trips your baby needs their own passport, and that takes weeks, so start early. Domestic flights in the US do not require ID for an infant, but bring a copy of the birth certificate if your baby looks close to 2, since gate agents occasionally ask.
The one trick for takeoff and landing
Pressure changes hurt little ears. The fix is simple: have your baby sucking during takeoff and the start of descent. Nurse, offer a bottle, or use a pacifier. Time a feed for the climb rather than feeding at the gate. Most ear crying is short and ends once you are at altitude.
Gear that earns its place
You do not need much. Three things do real work; everything else is optional.
A soft carrier keeps your hands free through security and the terminal, and rocks the baby to sleep on board. The single most useful thing you will pack.
Check price on AmazonIf you buy the baby a seat, a lightweight FAA-approved infant car seat is the safest place for them on the plane and doubles as your car seat at the destination.
Check price on AmazonFor the destination, a foldable travel bassinet gives the baby a safe, familiar place to sleep without trusting an unknown hotel crib.
Check price on AmazonAt security and the gate
- Formula, breast milk, and water for the baby are exempt from the 3-1-1 liquid limit. Tell the TSA officer you have them; expect a quick separate screening.
- You can usually pre-board with a baby. Use it to install a car seat without a line behind you.
- Gate-check the stroller and car seat for free if you are not using them on board. Use a padded bag so they survive the hold.
Where a first flight is easy
For a first trip, a short flight to a warm, low-key place beats a long-haul adventure. These score well for families and keep travel time down:
Punta CanaTurks and CaicosMaui
