Chic, Comfortable, and TSA-Friendly: 5 Long-Flight Outfit Ideas That Never Fail Me
After enough trips, you learn a thing or two.
I used to think airport outfits were either about comfort or style and that you had to pick one. Then I started flying more, dealing with delays, long-haul flights, and those freezing cabins that make you question every outfit decision you've ever made. But the more I travel for work as someone who works in fashion, especially when those flights often stop through CDG in Paris, the more I learn how to combine comfort and style into just one look. The reality is that you need both.
Now, I have a few formulas. They're less about a single perfect look and more about combinations that actually work, pieces you can sit in for hours and layer up or down while still feeling like yourself when you land. Think elevated basics, soft structure, and just enough polish that you don't feel like you gave up entirely. These are the outfits I come back to every single time, tested and proven by yours truly.
The Trench-Coat Combo
Let's start off with my most frequently worn outfit combination.
A trench coat is the ultimate travel layer. It's lightweight and versatile and instantly makes everything underneath look better. Paired with a cardigan and relaxed pants, it creates that effortless "just landed in Europe" energy. This is the look I come back to again and again.
The Elevated Sweat Set
A matching sweat set used to be "canceled" by fashion people, but especially for those flights that take 10-plus hours, they're often essential. The key is choosing one that feels intentional—slightly oversize, perfectly soft, quality materials, and styled with a great tank or tee underneath. It's pulled-together comfort.
The Leather-Jacket Layer
Throwing a leather jacket over a relaxed base instantly sharpens the look. It's also practical. Planes are freezing, and this adds just enough structure without sacrificing comfort. The contrast is what makes it work.
The Tonal-Set Trick
Wearing colors that simply go together always looks more elevated, even if the pieces themselves are simple. A tonal outfit that feels clean, expensive, and easy to style will always be in my reservoir. Plus, it takes the guesswork out of getting dressed at 5 a.m.
The Denim-on-Denim Travel Formula
If you're committed to denim, pairing relaxed jeans with a soft top keeps things comfortable. A denim shirt layered in makes the whole look feel cohesive without trying too hard. It's casual but still considered.

Sierra Mayhew is a fashion editor at Who What Wear, bringing a decade of industry experience to the editorial team. Since joining in 2021, she has made her mark by blending luxury and accessible fashion, decoding runway trends, and curating must-have shopping lists. Before joining Who What Wear, Sierra sharpened her skills at Harper's Bazaar and Elle, with bylines in Bazaar.com and collaborated with iconic brands such as Gucci and Ferragamo. A graduate of the University of Notre Dame, Sierra translates editorial expertise into viral social content, making fashion engaging for a new generation. Her unique perspective is rooted in her love for travel, music, and discovering the hidden gems that make New York City a constant source of inspiration.