Whether flying is cheaper than driving in 2026 depends on the distance, the number of travelers, and "hidden" costs. For a solo traveler on a trip over 600 miles, flying is often more economical and faster when you factor in the "opportunity cost" of your time and the wear and tear on your vehicle. However, for families or groups, driving is almost always cheaper because the cost of gas and tolls is shared among all passengers, whereas flying requires a separate ticket for every person. When calculating the cost of driving, remember to include gas, overnight hotel stays, and meals on the road. For flying, you must account for airfare, baggage fees, airport parking, and the cost of a rental car or rideshares at your destination. If you are traveling a short distance (under 300 miles), the time spent at the airport often makes driving more practical and cost-effective, but for transcontinental journeys, a well-timed flight deal can often beat the cumulative cost of a multi-day road trip.