If you’re wondering What Terminal is AJet Airlines at ARN , the airline operates from Terminal 1 at Stockholm Arlanda Airport. AJet Airlines ARN Terminal provides a seamless and convenient travel experience, with speedy check-in counters, efficient security screening, and comfortable lounges to rest before your departure. Passengers can find a range of dining and shopping options in Terminal 1, making their wait more comfortable and stress-free. Whether you're flying for business or pleasure, AJet Airlines Terminal at ARN provides exceptional service, modern amenities, and convenient airport access.