10 Essential Tips for Traveling with Infants on Flights

While most airlines allow newborns as young as seven days old to fly, the Cleveland Clinic recommends waiting until a baby is at least three months old [2]. This allows their immune system to develop further and ensures they have received their first round of core vaccinations.

When booking, consider your child’s internal clock. While many parents opt for “red-eye” flights hoping the baby will sleep, HealthyChildren.org warns that flight delays can turn an exhausted baby into a screaming one [1]. If your baby is over nine months old and thrives on a routine, try to book flights that align with their longest nap window.

Although children under two years old can fly for free as “lap infants,” the Federal Aviation Administration (FAA) strongly recommends purchasing a separate ticket [1]. Turbulence is the leading cause of pediatric injuries on planes, and it is physically impossible to securely hold a baby during a severe event. Using an FAA-approved car seat provides the highest level of protection.

You are not restricted to the standard 3.4-ounce limit for infant essentials. According to the TSA, formula, breast milk, toddler drinks, and baby food in quantities greater than 3.4 ounces are permitted in carry-on baggage [3].

Actionable Tip: Inform the TSA officer at the start of screening that you have these items. To speed up the process, keep them in clear, translucent bottles rather than pouches, as this allows for easier scanning without opening the containers [3].

The best seat for a baby is usually the window seat. As experts from the American Academy of Pediatrics point out, aisle seats expose infants to risks like hot coffee spills from the beverage cart or falling luggage from overhead bins [1]. Additionally, if you use a car seat, most airlines require it to be installed in a window seat to avoid blocking the exit path for other passengers.

Infants are particularly susceptible to ear pain during cabin pressure changes because their Eustachian tubes are small and horizontal. To encourage swallowing—which helps equalize pressure—feed your baby during takeoff and landing. The CDC suggests breastfeeding or bottle-feeding during these times [5]. If the baby isn’t hungry, a pacifier can achieve the same effect.

You do not need to check your stroller at the ticket counter. Most airlines allow you to use your stroller throughout the airport and “gate check” it right before you step onto the plane [2]. This is a vital convenience for navigating long terminals with a heavy infant and diaper bag. The stroller will be waiting for you on the jetway as soon as you deplane.

Airplane cabins can be unpredictable. Experienced travelers on Reddit community discussions frequently emphasize packing two full changes of clothes for the baby AND a spare shirt for yourself. Between mid-air diaper blowouts and spit-ups, the probability of needing a fresh change is high. Store soiled clothes in sealable plastic bags to contain odors.

Airplane cabin noise can reach 100 decibels, which is loud enough to be distressing for an infant [1]. Use noise-canceling headphones designed for babies or small cotton balls to muffle the engine roar. This not only protects their hearing but can also help them stay asleep despite loud announcements or fellow passengers.

It is a common myth that giving a baby Benadryl (diphenhydramine) for a flight is a helpful hack. Pediatricians at the Cleveland Clinic warn against this, as it can have serious side effects and, in some children, causes “paradoxical excitation,” making them more hyperactive instead of sleepy [2]. Stick to natural sleep cues like a familiar blanket or sound machine.

For older infants (6–12 months), novelty is key. Pack a few small, quiet toys they haven’t seen before. The novelty of a new object can occupy their attention longer than a favorite toy they see every day. Avoid toys with small parts that can roll under seats, which will only add to your frustration.

If you are looking for ways to fund these extra safety seats, check out our guide on 10 Pro Tips for Finding the Cheapest Flights.

Essential Checklist

• Documentation: Carry a birth certificate for domestic travel and a passport for international trips [2].
• Feeding: Pack more formula/breast milk than you think you’ll need to account for delays [3].
• Comfort: Dress the baby in layers to adapt to varying cabin temperatures.
• Safety: Use an FAA-approved car seat in a window seat [1].

Action Plan for Parents

1. 72 Hours Before: Call the airline to confirm your seat assignments and inquire about “bulkhead bassinets” if available [1].
2. At Security: Proactively declare all liquids/gels to TSA officers for separate screening [3].
3. During the Flight: Time feedings for ascent and descent to prevent ear pain [5].
4. After Landing: Sanitize your hands and the baby’s hands immediately to reduce germ exposure [2].

While flying with an infant requires significant logistical effort, staying calm is the most effective way to keep your baby relaxed. By following these safety and comfort protocols, you ensure that your child is protected while making the journey manageable for the whole family.