After more than 30 years of living and working in Manhattan, I have spent a significant amount of time on the road — navigating international airports, checking into hotels across multiple time zones, and learning exactly what works when you are packing for a trip. I have also learned what does not. I have made the most common packing mistakes right alongside everyone else: the overstuffed bag I could barely lift, the carry-on bags that would not close, and the shoes I wore the first day that ruined my feet for the rest of the trip.
Here is what I know now that I wish I had known earlier: packing mistakes are not random. They are predictable. They are the same ones, made by the same type of traveler, for the same reasons. And once you can name them, they are entirely avoidable.
This is the post I wish I had had when I started traveling heavily. Everything here comes from years of experience — not from a list I read somewhere else, but from the hard way, and occasionally the very hard way.
Mistake #1: Too Many Pairs of Shoes
Let us start with the single biggest packing mistake on almost every list, and the one women are most reluctant to fix: overpacking shoes.
I understand the impulse entirely. You are going somewhere new, you are mentally running through every possible scenario — the long dinner, the rainy afternoon, the unexpected rooftop bar — and you want options. But pairs of shoes are the heaviest, most space-consuming items in your luggage. They leave no extra space for the things that actually matter, and they rarely all get worn.
Travel experts generally agree on a three-shoe rule for trips under ten days, and I follow it exactly: one pair of travel shoes I can walk comfortably in all day, one pair that transitions between daytime and dinner, and one flat or sandal for warmer moments or casual settings. That is it. An extra pair of shoes is rarely justified by how often it actually gets worn.
The cardinal rule that applies in every case, with no exceptions: never pack new shoes. New shoes need to be broken in before they travel. Wearing new shoes on travel days — or even on your first full day in a new place — is a guaranteed way to spend your first hours somewhere beautiful hunting down a pharmacy for bandages.
Packing Mistakes: Skipping a Real Packing List
A surprising number of people pack without a real packing list — or they rely on the same mental checklist they have always used, complete with the same gaps. Years of experience have taught me that the mental list is exactly where the most common packing mistakes live.
A written, category-by-category packing list is one of the easiest ways to pack with genuine intention. Not a quick note in your phone, but a real document: outfits organized by day, travel shoes and alternate pairs listed separately, makeup products itemized, documents accounted for. The list is also a great way to catch yourself overpacking before it has already happened — when everything is written down, the redundancy becomes obvious
Start your packing list at least four days before you leave. This gives you time to spot what you are missing and what you are doubling up on, without a departure morning looming over every decision. It also gives you space to make smarter edits — swapping out an item that does not actually work with anything else in your bag, or realizing the extra pair of shoes you planned to bring is not earning its space.
Mistake #3: Packing at the Last Minute
Last-minute packing is how most packing mistakes actually happen. You are rushing, second-guessing yourself, and throwing in backup outfits and extra layers just to quiet the anxiety. By the time your carry-on bags are zipped, you have packed for three trips instead of one, and nothing is where you need it to be. The easiest ways to avoid this mistake are the simplest ones: build your list early, lay things out the day before, and treat packing as a decision-making process — not a last-minute scramble.
The fix requires only a small amount of discipline: have your bag mostly packed the night before you leave. The last thing you want to be doing the morning of departure is making decisions. That is exactly when the shoes you never actually wear end up in the overhead bin and the clean clothes you planned to wear on day one get left behind on the bathroom floor.
If you have built a solid packing list in advance, last-minute packing becomes almost impossible — because the decisions are already made.
Packing Mistakes: Overpacking Makeup Products
The toiletry bag is where packing mistakes live quietly, taking up weight and space without anyone noticing until everything else is already packed.
Makeup products are the biggest offenders. Full-size foundations, multiple palettes, redundant lip shades — they add up quickly and eat into the space you will miss. The most common packing mistakes in the beauty category come from packing products “in case” rather than the ones you genuinely use every single day.
I found this skincare travel kit several years ago, and I swear by it. It has everything I need to take care of my skin on the road, plus it is super affordable.
Edit ruthlessly. Decant into smaller containers or invest in travel-sized versions of your real products rather than cheap substitutes you will resent using. Use plastic bags for your liquids — they keep airport security fast, organize your toiletries, and contain spills before they become a disaster. A dedicated packing cube for beauty means you can find everything without demolishing your entire bag every morning.
Mistake #5: Forgetting the Little Things
The little things are where even experienced travelers slip up. Not the big obvious items — those make it onto the list. It is the hair ties sitting on your bathroom counter. The reusable water bottle still on the kitchen shelf. The charger you unplugged the night before and forgot to return to the bag. The lip balm you were absolutely certain you packed (you did not).
Here is the hard way to learn this lesson: arrive in a new country and spend your first morning finding a pharmacy to buy things you already own at home. Here is the easier way: add a dedicated last-check section to your packing list specifically for the little things — and run through it both the night before and the morning you leave.
Hair ties are a small example, but they represent a larger principle. The little things that feel too obvious to write down are exactly the ones that get left behind. Build the habit of treating that last-check section as non-negotiable — same as checking for your passport — and you will rarely arrive somewhere wishing you had packed differently.
Packing Mistakes: Ignoring Your Day Bag
Your day bag is the bag you actually live out of once you arrive — the one going to museums, markets, restaurants, and long walks through a new place you have never explored before. And yet the day bag is almost always the last thing women think about when packing.
A well-organized day bag makes a huge difference in how comfortable and confident you feel moving through a city. It should hold your basics: wallet, phone, sunglasses, a light sweater for temperature changes, your reusable water bottle, and a small pouch with essentials. If your day involves any security lines, keeping your day bag streamlined will also speed up the process considerably — nobody wants to be the person unpacking a chaotic tote at the checkpoint.
Mistake #7: Wearing New Shoes on Travel Days
I touched on new shoes under the overpacking section, but this mistake deserves its own moment because it is one of the most common packing mistakes I see women make — and it can genuinely derail the start of a trip.
Travel days are long, physically demanding, and unpredictable. You are hauling carry-on bags in and out of overhead bins. You are navigating security lines, walking through terminals, and standing through delays. Wearing new shoes through all of that is how blisters happen. And blisters in a new country — or at the very beginning of a trip — are not a minor annoyance. They change what you can and cannot do for days.
Wear your most comfortable, proven travel shoes to the airport. Save the debut of anything new for a day when you know your itinerary, you have options nearby, and you are not dependent on covering significant ground.
What to Do Instead: The Short Version
Here is how to avoid the biggest packing mistakes, condensed into what actually works:
- Build a real packing list and start it four days before you travel.
- Cap yourself at three pairs of shoes. Make every pair a proven travel shoe.
- Edit your makeup products down to what you will genuinely use. Use a packing cube for beauty.
- Use plastic bags for all liquids: airport security compliance and organization handled at once.
- Add a last-check section to your list for the little things: hair ties, your reusable water bottle, the charger you unplugged.
- Pack backup outfits only if each piece works with other items already in the bag.
- Never put on new shoes on travel days — or your first day in a new place.
- Think through your day bag and what you need to carry for long days away from your hotel.
Packing well is not about packing light for the sake of minimalism. It is about packing right — with a system, with intention, and with enough years of experience behind you to know which possible scenario is actually worth planning for and which one never materializes.
That is the difference between a bag that works for you across every travel day and a bag you spend the entire trip working around. The goal is always to arrive somewhere feeling ready — not to spend your first hours unpacking and reorganizing everything you packed in a panic.
I write a series each month on what to pack for NYC. It works for everywhere where the weather is similar (Paris, London, Rome, Milan, Zurich, Boston, Chicago…you get the idea). Be sure to check it out for packing ideas.
