Some countries require passports to have at least six months of validity remaining. If your passport is close to expiring, renew it at least one to two months before you travel. [1] X Research source

If you’re traveling for leisure purposes, verify whether getting a visa is even necessary - many countries have policies for passport-holders of certain countries where the visa requirement is waived if your whole trip is shorter than a certain amount of time, while others have visa-on-arrival policies where a visa can be purchased at the airport you arrive at for a fee just before the immigration checkpoint. Depending on the country, you can submit your application via mail or online. After the information has been reviewed, you may need to attend an interview with a consular officer. Plan ahead. A visa application can take anywhere from several weeks to a month to fill out. If your visa is rejected, ask for an appeal. Check the consular website of your intended country for information on appeals.

You can also withdraw currency at ATMs all around the world, but this often comes at a high fee. [6] X Research source

Some immunizations require multiple shots and may need to be started weeks in advance. Remember to fill your prescriptions before you pack so you have the medication you need while traveling.

Put all your valuables in your carry-on to avoid them being damaged or stolen. Some passengers like to bring a a first aid kit, just in case any emergencies happen on the plane. Painkillers, anti-nausea medicines, earplugs, and tissues are all great items to bring.

Roll your clothes to avoid awkward wrinkling and have more space. If you can wear it on the flight, do so instead of wasting luggage space. Dress in layers so you can bring more. Wear your jacket or sweatshirt onto the plane to avoid getting charged for the extra weight.

Different airlines have different allowances or restrictions. Even if you’ve traveled before, you’ll want to contact the specific airline for up-to-date policies.

If your flight is especially long, consider packing a pair of sweats for your flight in your carry-on. Change back into your original clothes for the landing.

If car storage isn’t an affordable option for you, use a shuttle service, hire a taxi, or ask a friend/family member to drive you there.

Avoid drinking alcohol or caffeine before and during your flight, as both can lead to dehydration.

Some countries require a customs form for each person traveling while others require one per family. Check beforehand to know which forms you must fill out. Most countries require declaration of: alcoholic drinks, tobacco, animals, seeds, soils, medication, and animal products.