# SUM Air — SUM Air Official Booking App > Official booking app for domestic flights in Korea with mobile boarding passes and payment options. (iPhone/iPad app by SUMAIR Co., Ltd..) - Source: https://appshunter.io/ios/app/sum-air/id6759547908 (this page in markdown: same URL + `.md`) - Developer: [SUMAIR Co., Ltd.](https://appshunter.io/developer/1700207324) - Category: Travel, Business - Price: Free - Age rating: 4+ - Requires: iOS 15.1 · 24 MB - Languages: Korean, American English - Released: 2026-05-20 - Data updated: 2026-09-03 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/sum-air/id6759547908/reviews.md ## What is 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) ## Key features - Real-time flight booking - Manage bookings and cancellations - Mobile boarding pass - Multiple payment options - App-exclusive promotions - Real-time push notifications ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/sum-air/id6759547908/reviews.md ### 5/5 — 좋습니다! *2026-06-25* 매번 인터넷 사이트 들어가서 예매하고 이용하기 번거로웠는데 앱이 생겨서 좋습니다! 감사합니다~ ## Frequently asked questions about SUM Air ### How do I book a flight with SUM Air? You can book a flight directly through the SUM Air app by checking seat availability for routes like Gimpo-Sacheon and completing the booking process. The app offers real-time booking capabilities for a quick and easy experience. ### Can I manage my existing bookings in the SUM Air app? Yes, the SUM Air app allows you to manage your trips by viewing your booking history and processing cancellations directly within the application. This provides a convenient way to handle your travel arrangements. ### Does SUM Air offer mobile boarding passes? Yes, SUM Air provides a mobile boarding pass feature. You can check in via the app and use your mobile pass to board directly, skipping airport counter lines for a faster and more convenient airport experience. ### What payment methods does SUM Air support? SUM Air supports its dedicated SUM Air PAY, as well as popular payment services like Kakao Pay, Naver Pay, and Toss Pay. This offers flexibility for users to complete their bookings. ### Are there any benefits to using the SUM Air app? The SUM Air app offers app-exclusive benefits, including access to special promotions with ultra-low fares available only to app users. You will also receive real-time push notifications for important updates. ### Is SUM Air suitable for business travel? SUM Air is designed to be a fast and convenient travel option, particularly for the Seoul Metropolitan Area and Gyeongnam region, making it a good choice for busy schedules. It offers a quicker and more comfortable alternative to other transport methods. ### What devices is SUM Air available on? SUM Air is available on iPhone, iPad, and iPod. The app is designed to provide a seamless experience across these Apple devices. ### How often is SUM Air updated? The latest version of SUM Air is 1.2.4, and it was last updated on June 24, 2026. Updates typically include improvements to features and performance. ## Version history (last 5 releases) ### 1.2.7 — 2026-08-31 • Improved boarding pass saving — share via KakaoTalk/SMS, save images to your photo library • Stability improvements and bug fixes ### 1.2.6 — 2026-08-10 - Usability improvements and enhanced stability - Bug fixes ### 1.2.5 — 2026-07-14 Bug fixes and stability improvements. ### 1.2.4 — 2026-06-24 - Added swipe-back gesture - Improvements and stability fixes ### 1.2.3 — 2026-06-15 Improved app stability and usability. ## Related topics [korean air my](https://appshunter.io/ios/topics/korean-air-my) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-03.*