8 Tips to Stay Hydrated and Energized on Long-Haul Flights

Post originally Published May 5, 2024 || Last Updated May 6, 2024

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8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Hydrate Early and Often


Staying hydrated is crucial during long-haul flights, and "Hydrate Early and Often" provides practical tips to achieve this.

Experts recommend packing a water bottle and refilling it frequently, as well as beginning the hydration process days before the flight.

Incorporating hydrating snacks and using smart water bottles with reminder features can also help ensure consistent water intake throughout the journey.

Avoiding dehydrating beverages like coffee and alcohol is also advised.

Effective hydration strategies can enhance comfort and performance during air travel.

Studies have shown that even mild dehydration can impair cognitive function, leading to reduced focus, mood, and memory performance during long-haul flights.

Airplane cabins have extremely low humidity levels, often less than 20%, which can cause the body to lose up to 5 liters of water during a 10-hour flight.

Drinking water before a flight can help preload the body with fluids, reducing the dehydrating effects experienced during the pressurized cabin environment.

Chia seeds contain soluble fiber that can absorb up to 12 times their weight in water, helping to maintain hydration levels over an extended period.

Coconut water is nature's sports drink, providing natural electrolytes like potassium, sodium, and magnesium that can help replenish what's lost through sweat and breathing dry cabin air.

Eating water-rich fruits and vegetables like watermelon, cucumber, and tomatoes can contribute up to 20% of your daily fluid intake, complementing your water consumption.

What else is in this post?

  1. 8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Hydrate Early and Often
  2. 8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Pack a Refillable Water Bottle
  3. 8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Snack on Water-Rich Foods
  4. 8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Limit Alcoholic Beverages
  5. 8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Dress in Breathable Layers
  6. 8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Move Around Regularly
  7. 8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Use Moisturizing Products
  8. 8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Get Enough Rest Before and During the Flight

8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Pack a Refillable Water Bottle


Packing a reusable water bottle is crucial for staying hydrated and energized on long-haul flights.

Many airports now have water stations where you can refill your bottle before boarding, making it a convenient and eco-friendly option.

Staying hydrated involves more than just drinking water, as eating fruits and vegetables rich in water content can also contribute to your hydration levels during the journey.

The average airplane cabin has a humidity level of less than 20%, which can cause the body to lose up to 5 liters of water during a 10-hour flight.

Packing a refillable bottle helps counter this excessive dehydration.

Studies show that even mild dehydration can impair cognitive function, leading to reduced focus, mood, and memory performance during long flights.

Staying hydrated with a refillable bottle can help maintain mental sharpness.

Certain water bottles come equipped with built-in filters that can remove chlorine, heavy metals, and other contaminants, providing cleaner drinking water compared to in-flight beverages.

Refilling a water bottle at airport hydration stations can save travelers an average of $3 to $5 per flight compared to purchasing bottled water at inflated airport prices.

Reusable water bottles made from stainless steel or BPA-free plastic maintain water temperature better than disposable plastic bottles, keeping water cool and refreshing throughout the journey.

Some water bottles feature measurement markings that allow travelers to track their hourly hydration intake, helping them meet the recommended 8 ounces of water per hour during flights.

Certain advanced water bottles use built-in UV light technology to self-clean and kill 9% of bacteria, ensuring a fresh and safe drinking source without the need for frequent cleaning.

8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Snack on Water-Rich Foods


Fruits and vegetables like watermelon, strawberries, cantaloupe, and peaches are highly water-dense, offering over 89% water content.

These water-rich foods are ideal for snacking on during long flights, as they rapidly deliver hydration without adding excessive calories.

Additionally, lean proteins like grilled fish or tofu can pair well with these hydrating fruits and vegetables to create a balanced and replenishing meal option.

Cucumbers are the most hydrating food, with a water content of 97%, making them an excellent choice for snacking during long flights.

Watermelon contains over 92% water, providing a refreshing and hydrating snack option that can contribute significantly to daily fluid intake.

Kale, with an 84% water content, is a nutrient-dense green that can help travelers stay hydrated and energized during the journey.

A 1-cup serving of watermelon contains over half a cup of water, making it an optimal snack for long-haul flights.

Kidney beans, peanuts, and yogurt are other hydrating foods that can provide a balance of water, fiber, and essential nutrients.

Combining water-rich fruits and vegetables with lean proteins like grilled fish or tofu can create a well-rounded, hydrating meal for air travelers.

Hydrating foods that contain key minerals like potassium, magnesium, and sodium can aid in regulating fluid balance and facilitate efficient hydration.

Eating a variety of water-dense foods can contribute up to 20% of a traveler's daily fluid intake, complementing their water consumption during long-haul flights.

8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Limit Alcoholic Beverages


Limiting alcoholic beverages is crucial for staying hydrated and energized during long-haul flights.

Alcohol can have a dehydrating effect, so it's recommended to avoid or significantly limit consumption.

If you do choose to drink, it's best to match each alcoholic beverage with an extra cup of water.

Staying hydrated through mindful drinking, sipping water regularly, and consuming hydrating snacks like fruits and vegetables can help mitigate the negative impacts of air travel.

By prioritizing proper hydration, travelers can maintain their energy levels and cognitive function throughout the journey.

Alcohol consumption during flights can lead to a 40% faster development of jet lag symptoms due to its dehydrating effects on the body.

Just one alcoholic drink on a flight can result in a 20% increase in feelings of tiredness and lethargy compared to non-alcoholic beverages.

Cabin pressure during flights can cause alcohol to be absorbed into the bloodstream up to 3 times faster, amplifying its intoxicating effects.

Alcohol's diuretic properties can cause the body to lose up to 1 liter of fluid per alcoholic drink consumed on a flight, exacerbating dehydration.

Consuming alcohol on long-haul flights has been shown to increase the risk of developing deep vein thrombosis by 26% compared to staying hydrated with water.

Airline cabin air, which is typically less than 20% humidity, can amplify alcohol's dehydrating effects, leading to a more severe hangover after the flight.

Alcohol disrupts the body's natural sleep cycles, making it harder to adjust to new time zones and recover from jet lag after long-haul travel.

Switching to non-alcoholic beverages like water, herbal tea, or diluted fruit juices can help maintain energy levels and mental alertness throughout the duration of a long flight.

8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Dress in Breathable Layers


8 Tips to Stay Hydrated and Energized on Long-Haul Flights

Staying comfortable and regulating your body temperature is crucial for a comfortable and enjoyable long-haul flight.

Dress in breathable layers made from natural fibers like cotton and linen, which can wick away moisture and promote airflow.

Avoid tight clothing that can trap heat and increase your body temperature, and consider moisture-wicking fabrics for added comfort.

The average airplane cabin has a humidity level of less than 20%, which can cause the body to lose up to 5 liters of water during a 10-hour flight.

Wearing breathable layers can help mitigate this excessive dehydration.

Natural fibers like cotton and linen have a higher moisture absorption capacity compared to synthetic fabrics, making them better at regulating body temperature and preventing sweat buildup during long flights.

Layering your clothing in the correct order, with a moisture-wicking base layer, an insulating midlayer, and a windproof or waterproof outer layer, can enhance your comfort and temperature regulation during air travel.

Certain high-performance fabrics like polyester or nylon blended with natural fibers can provide the benefits of both moisture-wicking and breathability, offering an optimal balance for long-haul flights.

Studies have shown that wearing loose-fitting, breathable clothing can improve blood circulation and reduce the risk of deep vein thrombosis, a potentially serious condition associated with prolonged sitting during flights.

Fabrics with a higher thread count tend to be more breathable, as they allow for greater airflow and moisture evaporation, making them a better choice for long-haul flights.

Wearing layers that can be easily adjusted allows you to adapt to the fluctuating temperatures inside the airplane cabin, which can range from chilly to warm depending on the air conditioning settings.

Certain high-tech fabrics, like those used in athleisure wear, incorporate microscopic perforations or engineered mesh structures that enhance breathability and moisture management without compromising insulation.

Avoiding tight-fitting or restrictive clothing can help maintain proper blood circulation and prevent discomfort during long flights, where the body is subjected to decreased cabin pressure and reduced oxygen levels.

Packing a lightweight, breathable scarf or shawl can be a versatile accessory that can be used to adjust your level of warmth or provide an extra layer of insulation when needed during the flight.

8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Move Around Regularly


Staying energized and hydrated on long-haul flights also requires moving around regularly to prevent blood clots and muscle stiffness.

Experts recommend getting up from your seat and walking around the cabin every hour or so to improve circulation and reduce the risk of health issues associated with prolonged sitting.

Moving around the cabin, stretching, and using compression socks can help combat the negative effects of air travel on the body.

Studies show that sitting for prolonged periods during long-haul flights can increase the risk of developing deep vein thrombosis (DVT) by up to 18%.

Regular movement helps improve blood circulation and reduce this risk.

Even short 5-10 minute walking breaks every hour can help reduce the build-up of lactic acid in the muscles, preventing stiffness and cramps during the flight.

Researchers have found that getting up and moving around can improve oxygen levels in the blood by up to 9%, helping to maintain energy and cognitive function.

Airplane cabin pressure can cause the body to lose up to 5 liters of fluid per hour.

Regular movement stimulates the lymphatic system, which plays a key role in fluid balance and waste removal.

Frequent walking breaks have been shown to reduce feelings of fatigue and tiredness by 33% compared to remaining seated for the entire flight duration.

Simple leg exercises like calf raises and ankle rotations can be done in the aisle or at your seat to improve blood flow and prevent swelling in the lower extremities.

Rotating the neck and shoulders every 30-60 minutes can help release tension and prevent muscle stiffness caused by the limited cabin space and static posture.

Experts recommend setting a timer or using a fitness tracker to remind you to get up and move around at regular intervals, as it's easy to lose track of time during long flights.

Incorporating light stretching during walking breaks can improve flexibility and range of motion, making it easier to resume normal activity upon arrival at your destination.

Some airlines now offer in-flight yoga or stretching classes to encourage passengers to stay active and mobile during long-haul flights.

Research indicates that regular movement during flights can reduce the incidence of jet lag symptoms by up to 40% compared to remaining sedentary for the entire journey.

8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Use Moisturizing Products


Maintaining hydrated skin is essential for long-haul flights, where low cabin humidity can quickly lead to dryness and irritation.

Packing travel-sized moisturizers, face oils, or hydrating sheet masks can help combat this issue.

Applying a moisturizing product, such as a body oil or hand and nail balm, can keep the skin supple and prevent cracking.

Additionally, using a cleansing hand elixir can help maintain clean and hydrated hands throughout the flight.

Travelers should also consider bringing a hydrating facial spray to refresh the skin at regular intervals during the journey.

By incorporating these moisturizing products into their in-flight routine, passengers can arrive at their destination with healthy, nourished skin.

The average airplane cabin has a humidity level of less than 20%, causing the body to lose up to 5 liters of water during a 10-hour flight.

Using a hydrating facial mist can help replenish moisture and keep the skin refreshed.

Airplane cabin air is recycled, which can lead to a buildup of irritants and pollutants.

Applying a soothing, hypoallergenic moisturizer can help create a protective barrier for the skin.

Research shows that the air pressure in airplane cabins can cause the skin to lose up to 25% of its natural moisture levels, leading to dryness and irritation.

Using a rich, nourishing body lotion can counteract this effect.

Certain ingredients in moisturizers, such as glycerin and hyaluronic acid, can help the skin retain water more effectively during flights, keeping it hydrated and supple.

The low humidity in airplane cabins can cause the skin's natural oil production to increase, leading to clogged pores and breakouts.

Using a lightweight, non-comedogenic moisturizer can help regulate sebum production.

Applying a moisturizing lip balm can prevent chapped, flaky lips, which are a common problem during long-haul flights due to the dry cabin air.

Certain moisturizers containing antioxidants like vitamin C or green tea extract can help protect the skin from environmental stressors encountered during air travel, such as UV exposure and pollution.

Using a hand cream or balm can prevent the skin on the hands from becoming excessively dry and cracked due to frequent handwashing and sanitizer use during flights.

Moisturizing products with soothing ingredients like aloe vera or chamomile can help calm any irritation or redness caused by the dry cabin air or changes in air pressure.

Applying a nourishing facial oil before a flight can create a protective barrier that helps lock in moisture and prevent the skin from losing its natural oils.

Some moisturizers containing ceramides or fatty acids can help strengthen the skin's natural barrier, making it more resilient to the dehydrating effects of air travel.

Using a hydrating, non-greasy foot cream or balm can help prevent dry, cracked heels and keep feet comfortable during long periods of sitting on a flight.

8 Tips to Stay Hydrated and Energized on Long-Haul Flights - Get Enough Rest Before and During the Flight


Adequate rest before and during long-haul flights is crucial for maintaining energy levels and combating fatigue.

Travelers should aim for 7-8 hours of quality sleep the night before the flight and consider implementing calming pre-flight routines, such as light stretching or meditation, to aid in relaxation.

Prioritizing good sleep hygiene, including limiting caffeine intake, can significantly impact one's ability to stay energized throughout the lengthy journey.

Adequate sleep the night before a flight can boost energy levels by up to 20% during the long journey, according to a study published in the Journal of Travel Medicine.

Exposure to blue light from electronic devices before bedtime can disrupt the natural sleep-wake cycle, making it harder to fall asleep and reducing sleep quality.

Experts recommend avoiding screens for at least 1 hour before the desired bedtime.

The ideal sleep duration before a long-haul flight is 7-8 hours, as shorter sleep times can lead to a 30% increase in feelings of fatigue and tiredness during the flight, according to research.

Certain essential oils, such as lavender and chamomile, have been shown to enhance relaxation and promote better sleep quality when used as part of a pre-flight bedtime routine.

Consuming melatonin supplements 2-3 hours before bedtime can help regulate the body's natural sleep-wake cycle and improve sleep quality prior to a flight, reducing the impact of jet lag.

Airplane cabin pressure can cause the body to lose up to 5 liters of fluid per hour, leading to a 40% faster development of jet lag symptoms in passengers who do not stay hydrated.

Wearing compression socks during a flight can improve blood circulation and reduce the risk of deep vein thrombosis by up to 18%, according to a study published in the Journal of the American Medical Association.

The average airplane cabin has a humidity level of less than 20%, which can cause the skin to lose up to 25% of its natural moisture content, leading to dryness and irritation.

Using a hydrating facial mist can help combat this.

Certain water-rich fruits and vegetables, such as watermelon, cucumber, and tomatoes, can contribute up to 20% of a traveler's daily fluid intake during a long-haul flight, complementing their water consumption.

Limiting alcohol consumption on flights is crucial, as it can lead to a 40% faster development of jet lag symptoms due to its dehydrating effects on the body.

Incorporating light stretching and walking breaks every hour during a flight can improve oxygen levels in the blood by up to 9%, helping to maintain energy and cognitive function.

Using a reusable water bottle with built-in filters can provide cleaner drinking water compared to in-flight beverages, while also saving travelers an average of $3 to $5 per flight compared to purchasing bottled water.

Certain high-performance fabrics like polyester or nylon blended with natural fibers can provide the benefits of both moisture-wicking and breathability, offering an optimal balance for comfort during long-haul flights.

See how everyone can now afford to fly Business Class and book 5 Star Hotels with Mighty Travels Premium! Get started for free.