As it turns out, you may not want to book the window seat for your next flight because of the damage it can do to your skin. Most of us are aware of the dangers of excessive sun exposure.

While the window seat offers stunning views and a solid wall to lean against for sleep, there is a hidden health risk that many 2026 travelers overlook: increased UV radiation exposure. At a typical cruising altitude of 30,000 to 35,000 feet, the atmosphere is significantly thinner, and the sun's intensity increases by nearly 10% for every 1,000 feet of elevation. While aircraft windows are designed to block most UVB rays, they are far less effective at filtering out UVA rays, which penetrate deep into the skin and contribute to premature aging and increased skin cancer risk. Studies have shown that pilots and frequent flyers have a higher incidence of melanoma due to this cumulative exposure. If you are devoted to the window seat, the "pro-tip" for 2026 is to wear a broad-spectrum SPF 30+ sunscreen even while indoors on the plane or to keep the window shade closed during the sunniest portions of your flight to protect your skin's long-term health.