What is the baggage allowance for Alaska airlines Alaska Airlines typically offers a complimentary checked baggage allowance for economy class passengers, generally allowing one piece of checked luggage with a maximum weight of 50 pounds (23 kg) and dimensions totaling up to 62 linear inches (length + width + height). Additional fees may apply for excess weight or oversized baggage. For carry-on luggage, passengers are typically permitted one piece with dimensions not exceeding 22 x 14 x 9 inches (56 x 36 x 23 cm). However, specific allowances may vary based on fare type, route, and frequent flyer status. Passengers should verify their exact baggage entitlements directly with Alaska Airlines before traveling.