Overview of Jeju Air’s 48-Hour Flash Sale
Jeju Air, a South Korean low-cost carrier (LCC), is running a “48-Hour Flash Sale” on Japan–Korea routes from October 28 to October 30, 2026. One-way fares start from ¥14,730 total, and the displayed prices already include fuel surcharges, airport fees and other charges. The STANDARD fare includes 15kg of checked baggage, so as long as your luggage stays within 15kg, you can compare fares without worrying about extra baggage fees.
- Sale name: 48-Hour Flash Sale
- Booking period: October 28 – October 30, 2026
- Travel period: October 28 – November 30, 2026
- Eligible routes: 9 routes to/from Seoul (Incheon) and 3 routes to/from Busan (12 in total)
- Fare type: STANDARD fare (15kg checked baggage included) *BASIC fare applies only to Nagoya (Chubu)–Seoul (Incheon)
- Lowest one-way fares: ¥14,730–¥19,070 (including fuel surcharges, airport fees, etc.)
Lowest One-Way Fares: Seoul (Incheon) Routes
Incheon International Airport, Seoul’s main gateway, has nine routes to and from Japanese airports included in the sale. The lowest one-way fares (all-in) are as follows:
- Fukuoka – Seoul (Incheon): ¥14,730
- Kagoshima – Seoul (Incheon): ¥15,230
- Shizuoka – Seoul (Incheon): ¥15,550
- Nagoya (Chubu) – Seoul (Incheon): ¥15,680 (BASIC fare)
- Osaka (Kansai) – Seoul (Incheon): ¥16,770
- Kobe – Seoul (Incheon): ¥17,040
- Oita – Seoul (Incheon): ¥17,730
- Sapporo (New Chitose) – Seoul (Incheon): ¥18,650
- Tokyo (Narita) – Seoul (Incheon): ¥19,070
The cheapest is Fukuoka at ¥14,730 and the most expensive is Tokyo (Narita) at ¥19,070, a difference of ¥4,340. Routes from regional airports such as Kagoshima, Shizuoka, Kobe and Oita are also included, which is a big advantage: you can fly straight to Seoul from your local airport without traveling to a major hub. Saving on domestic travel time and transport costs also makes it easier to keep your overall trip budget down.
Lowest One-Way Fares: Busan Routes
For Busan, South Korea’s second-largest city, the following three routes are on sale:
- Fukuoka – Busan: ¥14,730
- Osaka (Kansai) – Busan: ¥16,770
- Tokyo (Narita) – Busan: ¥19,070
Busan fares are set at the same level as Seoul (Incheon) fares from the same Japanese airport. If you are flying from Fukuoka, Osaka (Kansai) or Tokyo (Narita), the lowest fare is the same whether you choose Seoul or Busan, so you can pick your destination based on your travel plans. Since fares are priced one-way, you could also consider flying into Seoul (Incheon) and returning from Busan, touring Korea along the way.
Estimated Round-Trip Cost
Sale fares are one-way, so if you secure the lowest fare in both directions, the round-trip total is roughly double. That works out to ¥29,460 for Fukuoka–Seoul (Incheon), ¥33,540 for Osaka (Kansai)–Seoul (Incheon) and ¥38,140 for Tokyo (Narita)–Seoul (Incheon). However, seats at the lowest fare are limited on each flight and date, so the amount you actually pay will depend on the flights you choose. Check the fares for both your outbound and return flights before booking.
Note the Difference Between STANDARD and BASIC Fares
The sale prices are the lowest one-way STANDARD fares, which include 15kg of checked baggage. If you plan to check a suitcase, not having to pay a separate baggage fee is a major plus.
On the other hand, the Nagoya (Chubu)–Seoul (Incheon) route is offered at the BASIC fare only. Because BASIC fare conditions differ from STANDARD, be sure to check on the official website before booking whether checked baggage is included and how much it costs to add. If you plan to check bags, compare the total including baggage fees against other routes and airlines.
Travel Period and Trip Planning Tips
The travel period runs from October 28 to November 30, about one month. Flights from the very first day of the sale are eligible, making this sale handy even for spur-of-the-moment trips to Korea.
The period includes the November 3 (Tuesday, Culture Day) national holiday and the three-day weekend from November 21 (Saturday) to November 23 (Monday, Labor Thanksgiving Day). Demand rises over holidays and the lowest-fare seats may sell out first, so if your dates are set, booking early is the safer bet.
Things to Check Before Booking
- The booking window is short, running only from October 28 to 30. Check the official website for the exact end time.
- Listed prices are the lowest one-way fares and vary by flight and date. Seats are limited.
- Displayed fares include fuel surcharges and airport fees, but adding optional services not included in the fare will increase the total.
- Review the fare rules on the booking screen in advance, including whether changes and refunds are allowed and any applicable fees.
- Check the latest entry requirements for Korea, such as required procedures and passport validity, before departure.
How to Book
Bookings can be made on Jeju Air’s official website (Japanese version). Enter your origin, destination and travel date, then check the fare type shown (STANDARD/BASIC) and the total price before completing your booking.
Official website: https://www.jejuair.net/ja/main/base/index.do
Summary
Jeju Air’s 48-Hour Flash Sale covers 12 routes connecting nine Japanese airports with Seoul (Incheon) and Busan, with one-way fares from ¥14,730 all-in. With bookings open only until October 30 and travel valid until November 30, anyone considering a trip to Korea in November should check it out soon.
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