In 2026, you can absolutely ask for a snack on a plane, though the availability and cost depend heavily on your airline and flight duration. For most full-service carriers (like Delta or United) on domestic flights over 250 miles, a complimentary small snack like pretzels, Biscoff cookies, or almonds is standard. If you are still hungry after the initial service, you are welcome to press the call button or visit the galley to politely ask a flight attendant for an extra packet; most are happy to oblige if supplies allow. On low-cost carriers (like Spirit or Ryanair), snacks are strictly "buy-on-board," so you must have a credit card ready. For long-haul international flights, many airlines now maintain a "self-service snack bar" in the galley between meal services. It is always a smart move to bring your own solid snacks through TSA, as airline offerings can be limited. Just remember that liquid-based snacks like yogurt or hummus must still follow the 3-1-1 rule (3.4 oz or less) to pass through security.