Is it OK to eat while flying?

According to experts, not eating while you fly can actually help to reduce jet lag. (And that's not the only thing your flight attendant won't tell you.) Turns out, traveling on a plane can do a lot of bad things to your body—including shutting your digestive system down once you reach a high altitude.



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If containers are larger than 3.4 ounces (100 ml), they won't be allowed through security, and the security officer will discard them. However, you can bring an empty reusable water bottle of any size through security and fill it up after you've gone through the checkpoint.

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The key is to choose fillings that keep well for a handful of hours without refrigeration: cheese, cured meats (think prosciutto), hummus, grilled vegetables, and greens. To prevent soggy bread, stay away from juicy fillings like sliced tomatoes and choose a thick bread like ciabatta, focaccia, or a baguette.

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10 foods you should avoid before taking a flight
  • 01/11Foods you should never eat before flying. Planning to travel to your favourite destination on a long and satisfying vacation is a good way to de-stress after a hectic schedule. ...
  • 02/11Fried Food. ...
  • 03/11Coffee. ...
  • 04/11Alcohol. ...
  • 05/11Beans. ...
  • 06/11Apples. ...
  • 07/11Red meat. ...
  • 08/11Broccoli.


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Plane food often is less desirable than the food you can buy at the airport so it's a perfect chance to find something healthy and balanced before you fly. As a rule of thumb, if your flight is less than three hours, then eat at the airport and not on the flight.

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Your ability to taste food is reduced by 30% when flying
According to Professor Spence, contributing factors are lower cabin air pressure, dry air, and the noise of the engines. Because of this, to make the food taste better, it needs more sugar and salt to make it taste like it would on the ground.

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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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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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Because the TSA considers the nut spread a liquid, plane passengers must limit the amount they bring in their carry-ons. Like all other liquids, passengers are limited to 3.4 oz or less of peanut butter in their carry-on bag, but can also put the snack in their checked baggage.

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Foods you can't pack in your carry-on
Think: creamy cheeses, liquid chocolate, liquid coffee, creamy dips and spreads, gravy, honey, hummus, ice cream, jam, jelly, juice, syrup, peanut butter, salad dressing, sauce, salsa, soda, soup and yogurt.

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Yes, solid food is allowed through TSA security in any amount. If the item is considered a liquid, paste, cream, gel, or aerosol, it is still allowed, but must be smaller than 3.4 ounces. Otherwise, you'll be required to check the item or throw it out.

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10 Meals to Pack for Your Next Flight
  • Lemony Pesto Pasta with Edamame & Almonds. ...
  • Lentil Salad with Walnuts & Herbs. ...
  • Miso-Roasted Asparagus Soba Noodle Salad. ...
  • Airplane Salad with Greens, Grains & Seeds. ...
  • Southwest Quinoa Breakfast Bowl. ...
  • Sour Cherry Chocolate Chunk Muffins. ...
  • Freezer-Friendly Frittata Breakfast Sandwiches.


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You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes through the checkpoint. These are limited to 3.4 ounces (100 milliliters) or less per item. This is also known as the 3-1-1 liquids rule.

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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.

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The air on a plane is much drier than what it is on the ground, meaning consuming fizzy drinks as well as alcohol can leave you feeling unwell. These are both drinks that can cause passengers problems before and during a plane journey because the risk of dehydration is huge.

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Quigley. The greater the difference between the pressure in the atmosphere and that in your body, the more the air in your stomach is going to expand — and that's why you begin to feel bloated while flying. Bloating is annoying enough on its own, but if it persists, it can also contribute to constipation.

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