SUM Air

SUM Air: Regional Air Mobility! Book Gimpo-Sacheon flights in real-time. Get exclusive deals, mobile check-in, and the fastest sky route. Download the SUM Air app now!

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)