Family travel can be expensive, and costs can quickly add up, especially at the airport. A smart, budget-savvy approach to packing your carry-on can save you a significant amount of money while ensuring your family has everything they need for a comfortable journey. Here are six essentials that are kind to your wallet and perfect for a long flight.

First and most importantly, pack your own food and drinks. Airport food courts and in-flight snack boxes are notoriously overpriced. You can save a small fortune by bringing snacks from your local grocery store and filling up reusable water bottles at a fountain past security. This is the single biggest money-saving hack for family air travel.

Next, curate your own free entertainment library. Don’t rely on expensive in-flight Wi-Fi or paid entertainment options. Before you leave, use your home internet to download a wealth of free content from services like Netflix, Disney+, and your local library’s app (for e-books and audiobooks) onto a tablet. Pack crayons and paper from home for a classic, free activity.

Create comfort with items you already own. There’s no need to buy expensive travel-specific gear. A child’s favorite small blanket from their bed is more comforting than a store-bought one. A small pillow from your couch or even a rolled-up hoodie can work just as well as a pricey neck pillow. Pack a spare set of clothes you already have on hand.

Build a first-aid kit from your home medicine cabinet. You likely already have bandages, pain relievers, and antiseptic wipes. Portion them out into a small, travel-sized container instead of buying a pre-made, marked-up travel kit.

Finally, safeguard your documents and devices without extra expense. A simple zip-top bag or a basic folder can keep your documents just as organized as a fancy travel wallet. And while a power bank is a necessary investment, it’s a one-time purchase that will save you from ever having to pay for airport charging station access.

Check your credit card benefits before you travel. Many cards offer perks like free checked bags, airport lounge access (which often includes free food and drinks), or travel insurance, all of which can save you a significant amount of money and hassle.