Jin Air Runs Monthly MY Deal With Up to 15% Off
South Korean low-cost carrier Jin Air (LJ) is holding its recurring Monthly MY Deal promotion across Korean domestic and international routes from 10:00 a.m. on September 3 through September 13, 2026. Bookings made during the window receive up to 15% off eligible fares. The offer is aimed at members, and its biggest advantage is the ability to lock in trips stretching from autumn and winter all the way into early 2027.
Booking and Travel Periods
- Booking window: 10:00 a.m. September 3 to September 13, 2026
- Travel period (Korean domestic): September 3 to December 30, 2026
- Travel period (international): September 3, 2026 to March 27, 2027
- Discount: up to 15% off
- Eligibility: Jin Air members
With international travel valid through March 27, 2027, the sale covers the quiet post-New Year season as well as graduation-trip season and spring break in 2027. However, certain dates are excluded, so travellers targeting peak periods such as autumn holidays, year-end and New Year, or the Lunar New Year should run an actual date search to confirm the discount applies.
What Is the Monthly MY Deal?
The Monthly MY Deal is a members-only discount campaign that Jin Air stages on a regular monthly cycle. Unlike a sudden flash sale, it arrives at roughly the same point each month, which makes it easier to plan ahead for the next round. This is the September edition, and the trailing digits of the domestic promo code, 2609, reflect September 2026. Even so, the discount rate, eligible fare types and travel period change from month to month, so it pays to book when the terms line up with your plans.
Eligible Fares and How the Discount Applies
When purchasing through the Japanese-language website in Japanese yen, eligibility covers selected fares ranging from Flex down to Super Low. Jin Air’s fare ladder runs from Flex, which offers the most flexibility for changes and refunds, to the lowest-priced Super Low, with cheaper fares carrying tighter conditions. This round includes a relatively broad span of fare types.
International bookings via the Japanese site are members only, and the discount is applied automatically once you search and book while logged in. No promo code is needed, but discounted pricing may not display if you are not signed in, so complete registration and log in before searching.
Promo Code Required for Korean Domestic Flights
For Korean domestic routes, centred on services to Jeju, the promotion code “MJIN2609” must be entered before payment. If you forget and pay the standard fare, the discount generally cannot be applied retroactively, so check the code field before proceeding to checkout.
Points to Check Before Booking
- Membership registration and login are required; discounted fares may not appear otherwise
- Korean domestic bookings require promo code MJIN2609
- Blackout dates apply, so not every flight or date is discounted
- Airport taxes and other fees are added on top of the displayed fare
- Lower fare types may charge for or prohibit seat selection, checked baggage and changes or refunds
- Discounted seats are limited and popular routes and dates may sell out early
Using the Sale From Japan
Jin Air operates services linking Incheon and Busan with cities across Japan, making the airline a practical choice for weekend trips to Seoul or Busan and for itineraries connecting through Korea. A 15% cut is not dramatic on its own, but given that LCC base fares are already low and the travel window spans more than six months, it is a genuinely useful discount for anyone who has already settled on a destination and dates.
Summary
Bookings close on September 13. Because international travel is valid through March 27, 2027, anyone planning a year-end or spring holiday should compare prices now. Check route availability, fare conditions and blackout dates on the Jin Air official website (traicy.com/link/LJ).