Someone lands at the airport an hour before their international flight, confident they have enough time. Someone else gets to the check-in counter and discovers their bag is 8kg over the limit. A third person walks through security and watches their full bottle of perfume get dropped into a confiscation bin.
None of these people did anything malicious. They just didn’t know. And the airport has no patience for not knowing.
First-time travellers in Nigeria make the same cluster of mistakes repeatedly. This list covers the ten most common ones, what goes wrong when you make them, and exactly what to do instead.
Quick Summary
- Most airport mistakes by first-time travellers come down to poor timing, wrong packing, and trusting the wrong people.
- Arriving late is the single most avoidable way to miss your flight. Traffic from Lagos Island to MMIA alone can cost you your boarding.
- Carrying prohibited items or someone else’s bag are not just inconveniences, they can result in detention.
- Ignoring baggage allowance and packing oversized liquids are the two most common ways people lose money and items at the checkpoint.
- Read this before your first flight, not while you’re already at the airport.
1. Arriving at the Airport Too Late
What happens: Check-in desks close 45 minutes to 1 hour before departure. Immigration processing and security screening take time on top of that. If you arrive at the airport with only an hour to spare for an international flight, you are already in a difficult position.
From Lagos Island during morning rush hour, the drive to MMIA alone can take 90 minutes or more. People account for the check-in time but forget the traffic.
What to do instead: For international flights, arrive at the airport at least 3 hours before departure. For domestic flights, arrive at least 2 hours before. Add extra time if you’re travelling from a part of Lagos or Abuja that’s prone to traffic at your departure time. Check Google Maps traffic estimate for your departure time the night before, not on the morning itself.
2. Ignoring Your Baggage Allowance Until You’re at the Counter
What happens: You packed what you wanted to pack, you arrive at check-in, and the agent puts your bag on the scale. It’s 10kg over the limit. Now you’re either paying an excess baggage fee on the spot, which can run into tens of thousands of naira depending on the airline and how much you’re over, or you’re opening your bag in front of everyone and trying to redistribute weight while the queue behind you grows.
What to do instead: Check your specific airline’s baggage allowance before you start packing. It’s in your booking confirmation and on the airline’s website. Weigh your bag at home with a luggage scale before you leave. If you know you’ll be over, pay for extra baggage online in advance because pre-purchased extra baggage is almost always cheaper than paying at the counter.
3. Packing Prohibited Items in Your Carry-On
What happens: Sharp objects, full-size liquids, certain aerosols, and other prohibited items get detected at the X-ray machine. They’re confiscated. There’s no negotiation and no retrieval. If the item is valuable, that money is gone. If the item is something more serious, you could face additional questioning or detention.
Common items that catch people out: nail scissors, a Swiss army knife left in a bag from a previous trip, a full-size can of deodorant, a bottle of perfume over 100ml, a lighter packed in a bag instead of on the person (policies vary, check your airline), or a power bank that exceeds the watt-hour limit for carry-on.
What to do instead: Read your airline’s prohibited items list before you pack. Put all full-size liquids, sharp objects, and items you’re unsure about in your checked luggage. When in doubt, check, not guess.
4. Leaving Liquids Unprepared for Security
What happens: You know about the liquids rule but you didn’t implement it. You have a 200ml moisturiser, a full tube of toothpaste, and a perfume bottle all loose in your carry-on bag. The X-ray flags your bag. The officer opens it and confiscates everything over 100ml. You lose items you paid real money for.
This is different from packing prohibited items. These are everyday products that are perfectly legal, just not packaged correctly for security.
What to do instead: Pack all liquids for your carry-on in containers of 100ml or less and put them in one clear resealable plastic bag, one bag per person. Put everything else in your checked luggage. Buy a set of travel-size containers if you need to decant your products. Do this the night before your flight, not in the security queue.
5. Carrying a Bag or Parcel for Someone Else
What happens: A friendly stranger, or even someone you know casually, asks if you can carry a small bag through security for them. They have an explanation: their bag is full, it’s just food for family, it’s a gift. Some of these people are genuine. Some are not.
If there’s anything illegal in that bag, you are the one carrying it. You are the one who gets stopped. You are the one who faces questioning, detention, or worse at the destination. “I didn’t know what was in it” is not a legal defence in most countries, including many Nigerians travel to.
What to do instead: The answer is always no. No explanation required. Don’t feel pressured by friendliness or by the fact that the person looks trustworthy. This is one of the most consistently repeated warnings from every credible travel safety source for a reason.
6. Not Having Your Documents Accessible at Every Checkpoint
What happens: You pass through check-in and stuff your passport and boarding pass to the bottom of your bag. At the next checkpoint, whether it’s immigration or the gate, you have to dig through everything to find them. You hold up the queue. You get flustered. In a worst case, you put them somewhere “safe” and genuinely can’t find them when you need them.
What to do instead: Keep your passport and boarding pass in a consistent, easy-to-reach place throughout your entire time in the airport. A small crossbody bag, a document wallet in your front pocket, or the front pocket of your carry-on that you don’t put anything else in. Every time you leave a checkpoint, confirm you have both documents before you walk away from the counter.
7. Not Preparing for Security Before You Reach the Belt
What happens: The person at the front of the security queue only starts removing their belt, digging out their laptop, and emptying their pockets once they’re standing at the X-ray machine. The officer is waiting. Everyone behind them is waiting. They’re flustered and forget to remove something. The scanner goes off. The whole process takes twice as long as it needs to.
What to do instead: Start preparing while you’re still in the queue. By the time you reach the belt, your laptop should be out of your bag, your belt and watch already in hand, your pockets completely empty, and your liquids bag accessible. The actual checkpoint process takes about 30 seconds when you’re ready.
8. Wandering Away From Your Gate After Boarding Is Called
What happens: You’re at your gate. An announcement calls your flight for boarding. You think you have time to quickly grab something from a shop two gates down. Boarding continues. Your zone is called. You’re not there. By the time you get back, the gate agent is looking at their watch. Final boarding is announced. If you’re lucky, you make it back in time. If not, the gate closes and you’ve missed your flight.
Nigerian domestic airlines especially are known for tight boarding windows. Budget international carriers are the same. They will not hold the flight.
What to do instead: Once boarding for your flight is announced, stay at or near your gate. If you need food, a bathroom, or anything else, do it as soon as you sit down after clearing security, not when boarding starts. If the gate is far from the shops and you want to eat, buy food and bring it back to the gate area.
9. Overpacking Your Carry-On and Ignoring Size Limits
What happens: Your checked bag was within the weight limit but your carry-on is bulging. It won’t fit in the overhead bin. The gate agent measures it and it exceeds the allowed dimensions. You’re asked to check it at the gate and pay the applicable fee, which is usually higher than what you’d have paid in advance.
Alternatively, your carry-on is within size but so heavy it’s over the weight limit. Some airlines weigh carry-ons at the gate. Excess weight fees apply here too.
What to do instead: Check your airline’s carry-on size and weight restrictions before you pack. Most airlines allow one bag up to 55cm x 40cm x 20cm roughly, and up to 7kg to 10kg, but this varies. Measure your bag when it’s packed, not empty. If it’s borderline, check it rather than risk the gate fee.
10. Making Jokes or Inappropriate Comments at Security or Immigration
What happens: Someone makes an offhand comment about bombs, weapons, or anything security-related. Maybe they’re nervous and it slips out. Maybe they think it’s funny. It is never, under any circumstances, funny to airport security or immigration officers. Even a comment clearly intended as a joke can result in being pulled aside, questioned at length, missing your flight, or in serious cases, being detained.
This applies to comments made in any language, including Yoruba, Igbo, Hausa, or Pidgin. Officers have heard it all.
What to do instead: Keep all conversation with security and immigration officers factual and direct. Answer questions asked of you. Don’t volunteer additional commentary. If you’re nervous, that’s fine, just stay quiet and cooperative. Save the jokes for when you’re in the air.
FAQs
What happens if I genuinely miss my flight because of a queue or airport delay? If the delay was caused by the airport or airline, for example a security queue that was unusually long due to understaffing, speak to your airline’s customer service desk immediately. Document the time. Airlines handle these situations case by case. If the delay was your own, such as arriving late or getting stuck in traffic, you’ll generally need to buy a new ticket or pay a rebooking fee.
Can I buy liquids after security and bring them on the plane? Yes. Any liquids you buy in the airside area (past security) can be brought on the plane, including drinks, duty-free items, and toiletries. They don’t fall under the 100ml carry-on restriction because they’ve already been purchased in a secure zone. Keep your receipt in case you’re asked about them at a connecting airport.
What’s the fastest way to get through security if I’m running late? There is no guaranteed way to skip the queue. Some airports have priority security lanes for business class passengers or certain frequent flyer card holders. If you have none of those, your best option is to be completely prepared before you reach the belt so you move through as fast as possible. Being rude or trying to push to the front will not help and may result in additional scrutiny.
I was given something to carry by someone I know and trust. Is it still a risk? Yes. You don’t know with certainty what’s in a bag someone else packed, regardless of the relationship. If something is found in that bag at security or at a border, the legal liability falls on the person carrying it. The safest position is always to travel only with bags you packed yourself and know the contents of completely.
Can I be turned away at the gate for any reason other than a late arrival? Yes. You can be denied boarding if your travel documents are incomplete or incorrect for your destination, if your passport doesn’t have sufficient validity, if you’re flagged in a security system, or if the airline determines you’re unfit to fly (for example, visibly intoxicated). Always confirm your destination’s entry requirements before you travel, not at the gate.
Prepare Like Someone Who’s Done It Before
The airport doesn’t reward improvisation. It rewards people who show up prepared, on time, with the right documents and the right mindset.
Every mistake on this list has a simple fix that takes a few minutes to sort out at home the night before. Do the prep work there, not at the departure hall.
If you’re getting ready for your first international trip as part of your japa plans, DeyWithMe has the full picture, from passport applications to visa guides to settling into your destination country. Start with the basics and build from there.
