What to Know Before Flying Internationally: 17 FAQS Answered

Traveling internationally is your gateway to becoming a world citizen. You have the freedom to hop on a plane and visit places you’ve never seen before, taste exotic foods and learn foreign languages, go to sleep mid-flight and wake up on the opposite side of the world.

First step to adventure? Preparing for an international flight.

But international travel isn’t all fun and games. Between visas, security checks, long haul flights, and the drama of packing, international travel can be overwhelming—whether it’s your first time flying internationally or not.

It’s natural to have questions as you’re preparing for an international flight. Learn what to know before flying internationally, so you can begin your travel plans with confidence and ease.

If it is your first time flying internationally alone, you may be wondering, “” Who can help you navigate the nitty gritty of international travel? Lucky for you, every question you could imagine is right here at your fingertips.

What is the difference between domestic and international flights?

While domestic flights take you to other destinations within the same country, international flights take you overseas. If you’re planning to travel abroad, it’s important to know that you’ll be flying internationally.

Airports typically have separate domestic and international departures, with airport procedures before take off looking quite different. Keep reading to find out what to know when flying internationally.

How early do you need to be at the airport for international flights?

When preparing for an international flight, you’ll need to arrive at the airport at least three hours before your departure time. Three hours might seem like a long time, but between checking your bags, moving through various security checkpoints that may have you waiting in enormous lines, and finding your way to your gate, you’ll be happy you allowed yourself plenty of time.

Most international flights begin boarding between 40 and 60 minutes before take-off, leaving you only about two of those hours to get to your plane. Worst-case scenario? You arrive early and get to kill time in the food court or grab a quick beverage at the airport bar.

Dig into a pre-flight meal while you wait for your flight to board.

What do I need to fly internationally?

Flying internationally requires a lot more than just your passport. While , most countries require your passport to be valid for at least six months longer than the dates of your trip. Some places also require you to have a certain number of blank pages to allow for visas and stamps.

Depending on where you’re headed, you may also , proof of onward or return travel, or proof of immunizations. The truth is, every destination will have different travel regulations, so it’s important to check with your destination when preparing for an international flight.

FAQs about preparing for an international flight

1. How to pack for international flight

can be overwhelming, no matter how long you plan to be away. The very first step is to check your baggage allowance with the airline. How many bags are you allowed to bring on board? How big can they be and how much can they weigh?

Once you figure out how much you can bring, separate your checked and carry on bags:

• In your checked luggage, pack classic clothing items that can be mixed and matched to save space—even better if they’re lightweight and quick-drying fabrics. Remember that less is more, especially because you’ll want to leave a little extra room for souvenirs.
• In your carry on, pack your essentials, all your travel documents, and anything you might need while in flight.

Don't forget to weigh your bags after packing to make sure you aren’t hit with outrageous luggage fees at the airport.

2. How to prepare for a long international flight

When preparing for an international flight, you can do a few things to make sure you’re ready for the long haul:

• Get lots of rest in the lead up to your trip—flying can be exhausting!
• Take your Vitamin C to boost your immune system.
• Move your body before the flight so you feel prepared to sit for longer periods of time.
• Load up on entertainment—music, movies, TV shows, and books—to keep you busy in flight.
• Set your phone to the local time zone of your destination as soon as you get on your flight so you can minimize jet lag.

Remember, the more prepared you are, the when it comes time to travel.

3. What to do before an international flight

If it’s your first time flying internationally, making a to-do list will help ease your mind.

Make yourself a checklist. Do you have your passport, visa, and all your travel documents easily accessible? Have you purchased ? It’s always a to protect yourself during international travel, just in case.

Next, make sure you let your bank know you’ll be traveling overseas. Having your bank freeze your credit card for unexpected transactions while you’re abroad is one .

So, notify your bank that you’ll be traveling. While you’re at it, check the international transaction fee policy so you know what to expect, and perhaps get some cash converted so you have it on hand when you land. ATM fees are usually most expensive at the airport, so it’s always comforting to have cash on arrival.

Last but not least, check the for your destination so you can ensure you’re safe when preparing for an international flight.

4. What to bring to the airport when traveling internationally

If it’s your , there’s no such thing as preparing too much. Make sure you bring all of your travel documents with you, and if you have time, make digital copies of your travel documents too. You’ll want to bring all of these to the airport with you along with your carry on and checked luggage—and your comfiest clothes to wear in flight.

FAQs about documents needed for an international flight

1. What are the documents required for international travel?

When flying internationally, having a valid passport is non-negotiable. However, every country has different travel requirements beyond that.

If your destination country requires a visa, you will need to show this at the airport when you check in for your flight. , you may also need to show proof of vaccination for travel.

Check out the policies of your departure, arrival, and any transiting countries so you know exactly what documents are required for each leg of your trip.

2. Can you travel internationally with just a passport?

Ready to start collecting passport stamps? Yeah, we thought so.

This depends on where you’re traveling. Some countries allow departure and entry with just a passport, but many international destinations require a visa in some capacity.

Some countries allow you to get a visa on entry, with some visas free and others obtained with a fee. This is another big one to check on your destination’s immigration website before you depart so you know exactly what to expect when flying internationally.

3. Do I need my driver's license to travel internationally?

Typically, you’ll only need to show your passport when checking in for a flight, but it’s always a good idea to bring a driver’s license or another form of ID just in case.

Your driver’s license may come in handy more when you arrive at your destination, as carrying your passport around in a foreign country comes with some risks. You might want to put your passport away, lock it in your hotel safe, and use another form of identification when you’re out and about abroad.

4. Do you need two forms of ID to fly internationally?

Though you typically will not need two forms of ID to board a flight, if you have a second form of ID, bring it with you. If you are requested to show a backup ID or lose your passport while abroad, it’s always a good idea to have multiple proofs of identification on hand.

FAQs about international connections and baggage

1. What is allowed in carry on luggage on international flights?

Most airlines have a limit to how much onto a plane as well as limits on the size, shape, and weight of your bags. Many airlines allow one piece of carry on luggage plus a personal item like a purse or backpack that can fit under your seat, but it’s always best to check with your airline.

You’ll always need to limit the amount of liquids you carry on to small bottles of 100 mL or less. All bottles will need to fit into one quart-size resealable bag.

Other regulated items include:

• Food
• Sharp objects
• Flammables
• Household items and tools
• Firearms
• Medical equipment

When packing your carry on, .

2. What to pack in a carry on for an international flight

Your favorite clothes are just the top of your must-have packing list.

Use this checklist for packing your carry on to feel prepared for your international adventure:

• All travel documents (passport, visa, etc.) plus copies of each.
• Small toiletries that you’ll need for a long haul—think toothbrush, toothpaste, and deodorant at least.
• Any medications needed abroad, stored in their original containers.
• An eye mask, ear plugs, and pillow to get a good night’s sleep.
• An empty water bottle that’s easy to refill.
• Your electronics (laptop, phone, kindle, headphones) and their chargers.
• Snacks to tide you over, especially if you won’t have meals served on your flight.
• Spare undies and a change of clothes—just in case!
• A pen for your customs forms.
• Any other valuables.

3. Do I have to recheck my luggage on an international flight?

If you’re wondering what to know before flying internationally with layovers, it’s always best to check with your specific airline. Most international flights will check your luggage all the way through to your final destination, but this could change depending on your flight route.

For example, some countries require you to recheck your bag at the first point of entry, which means you’d need to pick up your bag, go through customs, and then recheck your suitcase for your next flight. When you first check your luggage at the departure terminal, ask the airline staff and they will let you know if your particular flight path requires you to recheck your luggage.

4. How much time do you need between connecting flights internationally?

If you want to be safe, allow at least two hours between connecting flights. Sometimes you can get away with shorter layovers, but it will undoubtedly be stressful.

Remember you may need to go through security if your connection is in another country, and it’s common for flights to be delayed—two hours will go by in a flash.

5. When do you go through customs on international flights?

Usually, you go through customs when you exit the airport at your final destination. However, if you have a layover in a different city in your destination country, you may need to go through customs before your connecting flight.

How to board international flight step by step

You’ve got this! Memories to last a lifetime wait on the other side of your flight.

Now that you know what to expect when flying internationally, it’s just a matter of showing up at the airport and going through the process to check in and get to your gate. Don’t be intimidated, it’s actually quite simple!

1. Check in for your flight.

Sometimes you can check in online, but if you have enough time and have questions, checking in at the airport can ease your nerves. This way, you can speak to your airline staff and ask any questions about your journey that you haven’t answered already. Make your way to the international terminal and find your airline’s check-in stand to get started.

2. Check your baggage and get your ticket.

When checking in for your flight, you’ll have an opportunity to check your luggage. The airline staff will give you your boarding pass and a tracking sticker that matches the one on your luggage. Keep these safe and tucked into your passport for easy access throughout the airport.

3. Go through the security checkpoint.

Now that you’ve lightened your load, it’s time to go through security. Follow the airport signs or ask the airline staff where to get in line for the security checkpoint. Typically, this involves waiting in line, scanning your carry on luggage, and showing your passport and boarding pass to enter the terminal.

4. Go through immigration.

If you’re flying internationally, you may need to go through a second security screening before your flight: immigration. All you’ll need to do here is show your passport and follow the instructions from the immigration staff. This is the last step before you can walk to your gate for your flight.

5. Find your gate.

You’re in! Your boarding pass will usually tell you the gate where you’ll board, but if it doesn’t, check the screens just past immigration. These screens list all destinations and their boarding gates. You may also want to double-check the information on your boarding pass—gates sometimes change.

Make your way to your gate and relax. If you arrive with time to spare, you may wish to explore your terminal a bit more, shop for snacks or books, or grab a meal and drink at one of the bars or restaurants nearby.

6. Board your flight.

About 40 to 60 minutes before your international flight, you will hear the airline staff announce boarding. Make sure you are at your gate and ready to board. Many airlines will board in groups, so check your boarding pass for your boarding group or zone, wait to be called, and line up. Have your passport and boarding pass ready to show the flight attendant, find your seat, and enjoy the ride!

Don’t panic—flying internationally is so much easier than it seems

The world awaits, so where will your first international flight take you?

While there’s a lot more to flying internationally than traveling on a domestic flight, it’s actually so much easier than it seems. Give yourself plenty of time to prepare for that first time flying internationally to make sure you have everything you need, and don’t be afraid to ask questions if you’re in doubt. Once you know what to expect when flying internationally, those long flights will seem like a breeze and .

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