What drinks to avoid on a plane?

“Most flight attendants won't drink the tap water, coffee or tea,” she added, noting that caffeinated drinks also dehydrate you – another reason to avoid them while travelling. And before you put ice in your drink, think again. That is also often made using the very same tap water.



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To be extra safe, the CUNY researchers advised people never to drink water onboard a plane that does not come from a sealed bottle. They also said passengers should not drink coffee or tea brewed on their flight, and that they should even use hand sanitizer instead of washing their hands with onboard water.

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It should come as no surprise that the healthiest thing to drink on a plane is water, which also happens to be the healthiest thing to drink on land. Inside an airplane cabin, the air is extremely dry, putting you at heightened risk of dehydration. That can lead to nausea, headaches, and other unpleasant outcomes.

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“For this reason, I always avoid eating foods that make my stomach bloated and expand even more. These foods include onion, kale, beans, red meat, lentils, gluten, and broccoli.” Beyond foods, Remo added, it may be a good idea to steer clear of carbonated drinks that can also lead to an upset stomach in the air.

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Water might be the best liquid for staying hydrated, but if you really struggle to drink a glass of still water many times over, there are other options that'll help keep you properly hydrated while flying. “While plain water is best for staying hydrated, other drinks and foods can help, too,” says Theunissen.

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“For the science-minded folks, bacteria is killed about 175 degrees, it doesn't have to boil,” he said. “On the airplane, water boils at the 7,000-foot equivalent of about 195 degrees. … If we look at the World Health Organization, bacteria is killed at 170, so all that coffee and tea is good.”

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Opt for soups and stews, including curries, because they're usually heated multiple times at temperatures that likely kill bacteria, Dible says, and bread, rolls, crackers, packaged bakery items and the free packs of pretzels are all usually a good bet.

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From the in-flight food options, she recommends choosing hydrating foods and passing over the breads, cookies and cakes. “Remember that your intake of water should be more than coffee or alcohol because they are diuretics. Instead of one glass at a time, have frequent sips of water. Juices are good, as are iced teas.

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Here's a quick list of some of the best food to pack to enjoy at high altitudes whether you have a sweet tooth or prefer savory treats.
  • Dark chocolate and snack bars.
  • Turkey or beef jerky.
  • Crackers and breadsticks.
  • Dried fruit like dried apricots, banana chips, raisins etc.
  • Veg based sushi.


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That's why some people turn to tomato juice. Because tomato juice typically has a tartness and added spices, making the juice taste more flavorful than most drinks when in the air.

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Drink plenty of water before your flight.
Flying can be very dehydrating, and it's essential to arrive at your destination feeling healthy and refreshed. Therefore, drinking plenty of water before you board your flight is a good idea.

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Your best bet is water, a light pre-flight meal, and—if you know you're highly-affected during flights—Gas-Ex, which can help if your belly starts acting up, says Dr. Sam. Also make sure to go for a walk every now and then—either to the bathroom or just down the aisle. Moving around can help keep things...well...

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Eat Light. Contrary to popular belief, flying on an empty stomach doesn't help you combat air sickness. In fact, an empty stomach actually exacerbates symptoms. Eat a light meal such as crackers, fruit, and other light snacks.

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Top 5 travel tips to help you prepare for a long-haul flight
  1. Wear comfortable clothing. ...
  2. Stay hydrated. ...
  3. Exercise before you fly. ...
  4. Eat nutritious food. ...
  5. Practice meditation and yoga.


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There are strict restrictions on what can be brought onto an airplane, and this is especially true for food items. Cooked rice is typically prohibited in carry-on luggage because it poses a potential food safety risk. There are, however, exceptions to this rule.

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Yes, you may pack food in your carry-on or checked bag, but remember all food must undergo x-ray screening. Foods that are liquids, gels, or aerosols must comply with the 3-1-1 liquids rule. TSA officers make the final decision on whether certain items are permitted into the secured areas of the airport.

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Can you get free water on a plane? Most flights will provide FREE water and none alcohol related beverages upon clearance of the captain and once the flight has leveled off.

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