Airplane cabins are notorious for drying you out. With humidity levels often below 20%—much lower than the typical 40–60% we’re used to on the ground—it’s no wonder you feel parched mid-flight.
Dehydration while flying can lead to headaches, fatigue, dry skin, and even digestive discomfort. But with a few simple strategies, you can stay refreshed and hydrated from takeoff to landing.
Start hydrating before you fly. Drink plenty of water in the 24 hours leading up to your flight. Boarding already hydrated helps offset the effects of dry cabin air. Aim for water-rich foods like fruits and vegetables before takeoff—they provide hydration and nutrients.
Bring your own water bottle. Most airports now have refill stations beyond security, so pack a reusable bottle and fill it up before boarding. Sip regularly throughout the flight, even if you don’t feel thirsty. A good rule of thumb is about 8 ounces of water for every hour in the air.
Avoid dehydrating drinks. Caffeine and alcohol both act as diuretics, meaning they can increase fluid loss. If you indulge in a cup of coffee or glass of wine, follow it with extra water.
Skip salty snacks. High-sodium foods—like pretzels or packaged meals—can contribute to water retention and make you feel even thirstier. Opt for hydrating snacks instead, such as cucumber slices, apple slices, or oranges.
Use hydrating skincare. Dry lips and skin are common on flights. Pack lip balm, a facial mist, or a lightweight moisturizer in your carry-on to keep your skin happy.
Hydration isn’t just about water—it’s about making smart choices throughout your flight. A little planning goes a long way toward landing energized and ready to go.