Bring your own food and lots of water to drink. Cabin air is very dry because it is pressurized to an altitude of about 8000 feet. Humidity levels are anywhere between one and ten percent which is as dry as a desert. Try to drink a decent sized glass of water every hour and this will keep you well hydrated.
Moisturizer also comes in handy to combat dry skin.
Remove your shoes after take-off. This helps ease the discomfort associated with foot swelling during flight. Altitude change actually causes your feet to swell.
Drinking orange juice is said to help reduce the swelling in your legs so drink up.
Wear loose or baggy clothing so the extra room will accommodate any swelling of your legs or arms.
Sore or dry eyes are a common occurrence so brings some eye drops to keep them soothed.
Bring along some sweets to suck on during take-off and landing. This helps equalize the outside air pressure with your ears.
Drink alcohol, coffee and tea in moderation. Avoiding them altogether is even better. It only dehydrates you more. For every glass of beer you have, you should have one of water. Keeping in mind you should drink one glass every hour to combat cabin dehydration, you will have to drink twice that amount if you are also drinking alcohol.The affects of drinking are compounded at altitude. It is said that alcohol has twice the affect above 30000 feet.
Earplugs are an excellent way to help reduce stress and get some sleep.
Go for regular walks up and down the aisle. This helps improve the circulation in your legs.
Place a handkerchief over your nose to stop getting a dry nose.
Exercise while sitting at your seat. How is this possible? It’s easy. Wriggle your toes up and down. Flex your leg muscles to help the circulation.
If you are on medication of any kind, take enough with you to last the trip. Sometimes it can be difficult getting replacements overseas.
Always listen to the instructions of the flight crew even when you have heard them before.
If you are traveling with children, use a FAA approved child restraint system, which is appropriate to their weight.
Keep your overhead storage bin free of large heavy objects.
Always keep your seat belt fastened while sitting at your seat. Sometimes, turbulence is unpredictable – even to the pilots who have sophisticated detection devices in the cockpit.
If you have a blanket over you, make sure you fasten the seatbelt on the outside so that if you fall asleep, the flight attendant won’t have to wake you up when turbulence is expected.
Wear a long sleeved shirt and long trousers (no skirts). This will help protect your skin if there is a fire on board.
Don’t wear sandals or high-healed shoes.
Wool is an excellent fire-retardant fabric. Nylon and synthetic are not fire-retardant. Avoid wearing nylon stockings as they tend to melt to your legs when exposed to flames.