SUM Air

Fly Light and Easy with SUM Air! From flight bookings to mobile boarding passes and simple payments—start your journey faster and lighter with the SUM Air App. Experience a new way of flying that connects every corner of Korea. [Key Services] Flight Booking & Management - Real-time Booking: Check seat availability for the Gimpo-Sacheon route and book instantly. - Manage Your Trip: View your booking history or process cancellations easily within the app. - Flight Status: Access real-time flight schedules and arrival/departure information. Fast & Convenient Boarding - Web Check-in & Mobile Boarding Pass: Skip the airport counter lines. Check in via the app and board immediately with your mobile pass. - Additional Services: Select your preferred seat or purchase extra baggage allowance with just one click. Simple Payment & Login - SUM Air PAY: Support for our dedicated SUM Air PAY, as well as Kakao Pay, Naver Pay, and Toss Pay. - 3-Second Login: Sign up instantly using your Kakao, Naver, or Google accounts. App-Exclusive Benefits - Special Promotions: Be the first to access ultra-low fares available only to app users. - Real-time Push Notifications: Get instant updates on booking status, check-in reminders, and weather-related flight changes. [A Special Journey with SUM Air] - Business Success: The fastest way to travel between the Seoul Metropolitan Area and Gyeongnam for your busy schedule. - Start Your Adventure: Arrive comfortably at Sacheon Airport, the gateway to the beautiful South Coast. - A Lifeline for Locals: Experience a premium transportation service that is faster and more comfortable than the KTX. [Access Permissions] SUM Air only requests the minimum permissions necessary to provide our services. - (Optional) Notifications: Used for booking confirmations, check-in reminders, flight status, and promotional benefits. [Customer Support] - Website: https://www.sumair.kr - Reservation Center: 1877-4325 (09:00 - 18:00)