Korean Air Lines
KE-1595
15:50
2026-10-30
Ulsan (USN)Ulsan
1H :05 M
Non Stop
16:55
2026-10-30
Jeju (CJU)Jeju Airport
USN to CJU
Ulsan to Jeju Flights
Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
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Lowest fare₩137,840Korean Air Lines
Fastest1h 5mgate to gate
Options found25flights on this route
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in KRW
25 flight options
Fares are checked again before payment.
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Eligible flights
Korean Air Lines
KE-1844
09:30
2026-10-30
Ulsan (USN)Ulsan
4H :25 M
1 Stop
GMP
· 2h 10m Seoul (GMP), South Korea
13:55
2026-10-30
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1844
09:30
2026-10-30
Ulsan (USN)Ulsan
4H :55 M
1 Stop
GMP
· 2h 40m Seoul (GMP), South Korea
14:25
2026-10-30
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1844
09:30
2026-10-30
Ulsan (USN)Ulsan
5H :45 M
1 Stop
GMP
· 3h 30m Seoul (GMP), South Korea
15:15
2026-10-30
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1844
09:30
2026-10-30
Ulsan (USN)Ulsan
5H :55 M
1 Stop
GMP
· 3h 40m Seoul (GMP), South Korea
15:25
2026-10-30
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1844
09:30
2026-10-30
Ulsan (USN)Ulsan
7H :40 M
1 Stop
GMP
· 5h 25m Seoul (GMP), South Korea
17:10
2026-10-30
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1844
09:30
2026-10-30
Ulsan (USN)Ulsan
8H :10 M
1 Stop
GMP
· 5h 55m Seoul (GMP), South Korea
17:40
2026-10-30
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1844
09:30
2026-10-30
Ulsan (USN)Ulsan
10H :10 M
1 Stop
GMP
· 7h 55m Seoul (GMP), South Korea
19:40
2026-10-30
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1844
09:30
2026-10-30
Ulsan (USN)Ulsan
10H :35 M
1 Stop
GMP
· 8h 20m Seoul (GMP), South Korea
20:05
2026-10-30
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1844
09:30
2026-10-30
Ulsan (USN)Ulsan
12H :05 M
1 Stop
GMP
· 9h 50m Seoul (GMP), South Korea
21:35
2026-10-30
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1844
09:30
2026-10-30
Ulsan (USN)Ulsan
12H :25 M
1 Stop
GMP
· 10h 10m Seoul (GMP), South Korea
21:55
2026-10-30
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1844
09:30
2026-10-30
Ulsan (USN)Ulsan
12H :45 M
1 Stop
GMP
· 10h 30m Seoul (GMP), South Korea
22:15
2026-10-30
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
17H :05 M
1 Stop
GMP
· 14h 50m Seoul (GMP), South Korea
13:25
2026-10-31
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
17H :35 M
1 Stop
GMP
· 15h 20m Seoul (GMP), South Korea
13:55
2026-10-31
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
18H :05 M
1 Stop
GMP
· 15h 50m Seoul (GMP), South Korea
14:25
2026-10-31
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
18H :55 M
1 Stop
GMP
· 16h 40m Seoul (GMP), South Korea
15:15
2026-10-31
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
19H :05 M
1 Stop
GMP
· 16h 50m Seoul (GMP), South Korea
15:25
2026-10-31
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
20H :50 M
1 Stop
GMP
· 18h 35m Seoul (GMP), South Korea
17:10
2026-10-31
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
21H :10 M
1 Stop
GMP
· 18h 55m Seoul (GMP), South Korea
17:30
2026-10-31
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
21H :20 M
1 Stop
GMP
· 19h 05m Seoul (GMP), South Korea
17:40
2026-10-31
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
23H :20 M
1 Stop
GMP
· 21h 05m Seoul (GMP), South Korea
19:40
2026-10-31
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
23H :45 M
1 Stop
GMP
· 21h 30m Seoul (GMP), South Korea
20:05
2026-10-31
Jeju (CJU)Jeju Airport
Recommended hotels in Jeju
Stay options near the arrival city for the same travel date.
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
25H :15 M
1 Stop
GMP
· 23h 00m Seoul (GMP), South Korea
21:35
2026-10-31
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
25H :35 M
1 Stop
GMP
· 23h 20m Seoul (GMP), South Korea
21:55
2026-10-31
Jeju (CJU)Jeju Airport
Korean Air Lines
KE-1848
20:20
2026-10-30
Ulsan (USN)Ulsan
25H :55 M
1 Stop
GMP
· 23h 40m Seoul (GMP), South Korea
22:15
2026-10-31
Jeju (CJU)Jeju Airport
No flights match the selected filters. Clear filters or open full search.
Airfare Highlights
From flights departing on Fri, 30 Oct 2026.
Lowest fare
₩137,840
Korean Air Lines
15:50
Earliest departure
₩303,159
Korean Air Lines
09:30
Shortest duration
₩137,840
Korean Air Lines
15:50
Route forecast
Weather in Ulsan and Jeju
Live forecast for both cities, 12 Oct to 15 Oct.
Ulsan
Thu, 15 Oct22°CClear skyLow 9°
- Mon24° / 19°
- Tue22° / 16°
- Wed21° / 10°
Jeju
Thu, 15 Oct20°CPartly cloudyLow 16°
- Mon25° / 22°
- Tue24° / 20°
- Wed19° / 15°
Forecast data from MET Norway, CC BY 4.0.
Smart travel dates
Holidays and peak dates for Jeju
Fares and hotel rates usually run higher around these dates. Booking earlier or moving your trip by a day or two often costs less.
- 09Oct한글날Friday
- 25Dec크리스마스Friday
- 01Jan새해Friday
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here, so check the exact date for your travel year.
Compare your journey
How to travel Ulsan to Jeju
Ways to make this trip that you can book on FlyX, compared by price and journey time.
OptionFromJourney timeAvailabilityAction
Non-stop flight Fastest₹9,9321h 5m1 flight
Connecting flight₹21,844Longer, includes a stop24 options
Air distance is about 349 km. FlyX does not currently sell a bus on this pair.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from Ulsan to Jeju
Compare fares, stops, baggage and refundability across the airlines flying this route.
Korean Air Lines Flights
- Fares from
- ₩137,840
- Non-stop
- 1 in these results
- Departures
- 25 in the list above
Route Overview & Flight Facts
| Fastest flight duration | 1h 5m · Korean Air Lines |
|---|---|
| First departure of the day | 09:30 · Korean Air Lines |
| Last departure of the day | 20:20 · Korean Air Lines |
| Flight options found | 25 |
| Direct / non-stop options | 1 |
| Airport codes | Ulsan–USN, Jeju–CJU |
Fares and timings are indicative. The exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
The search for Fri, 30 Oct found 25 flight options, 1 of them non-stop. The first flight leaves around 09:30 and the last around 20:20. The fastest flight takes about 1h 5m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Afternoon from ₩137,840, Morning from ₩303,159, Evening from ₩303,159. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares. Prices change with airline seat availability.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.
How to Book Cheap Flights on FlyX
- 1Enter your travel details
Choose one-way or round-trip, pick your dates and travellers in the search form above.
- 2Compare search results
Sort or filter the Ulsan–Jeju results by price, departure time, stops and airline.
- 3Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
- 4Review the final price
Review the refreshed supplier fare, coupon saving and selected payment-method fee before you pay.
- 5Pay securely
UPI, cards, net banking and wallets supported; payment and ticket issuance have separate statuses. If issuance is pending, follow the booking status; the confirmed ticket is sent after issuance.
Why Book Your Flight with FlyX?
Compare the available Ulsan to Jeju options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.
Exclusive Flight Offers & Promo Coupons
| Coupon code | Offer | Max saving |
|---|---|---|
| FLYX20 | Up to 20% Off on Flights | ₹1,500 |
Check coupon eligibility and the final discount on the review page before you pay. View full terms.
Frequently Asked Questions
Is it worth booking Ulsan to Jeju flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. On the Ulsan to Jeju dates shown on this page, the lowest fare is on a Friday at ₩137,840. This can change from week to week.
How far is Ulsan from Jeju by air?
The direct air distance between Ulsan (USN) and Jeju (CJU) is about 349 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from USN to CJU?
Yes. 1 non-stop flight is listed on this page for Ulsan to Jeju. Use the Stops filter to see only those.
Which airlines fly Ulsan to Jeju?
Korean Air Lines is listed on this route for the dates shown here. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from Ulsan to Jeju?
The quickest non-stop Ulsan to Jeju flight on this page takes about 1h 5m. Journeys with a stop take longer, since the total includes the layover.
What is the baggage allowance on Ulsan to Jeju flights?
Allowance is set by the airline and the fare you pick, not by the route. Fares on this page include 20 KG. Cabin baggage is counted separately, and the exact allowance for the fare you choose is shown in the fare conditions before payment.
What is the cheapest Ulsan to Jeju flight fare?
The lowest Ulsan to Jeju fare on this page is ₩137,840. Fares on the same dates run up to ₩303,159, depending on airline, timing and fare type. Airline prices change often, so search your dates for the current fare.
What time do Ulsan to Jeju flights depart?
On the dates shown here, the first departure is around 09:30 and the last around 20:20, local time at Ulsan. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay. If it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes USN–CJU, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price. Run a search to see what is available for your own dates.
Fares shown are for departures on .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
For payment, ticket issuance or a change request, see FlyX support. About FlyX.
What to Expect When Booking Your Flight
The USN to CJU cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 349.48 km.
Before you book
Compare nearby dates
The date strip opens the complete search result for the route and selected date.
Use filters
Shortlist by price, stops, departure time and refundable fare preference.
Check fare choices
Continue to Booking opens the verified fare choices, including baggage and refundability, before review.
Lowest Ulsan to Jeju airfare, in 30 days and in 90 days
| Cheapest Fare | Fare | Date | Airline | Departure |
|---|---|---|---|---|
| Lowest Airfare | ₩137,840 | 30/10/2026 | Korean Air Lines | 15:50 |
| Cheapest Airfare Within 30 Days | ₩135,078 | 07/11/2026 | Korean Air Lines | 15:50 |
| Cheapest Airfare Within 90 Days | ₩130,942 | 06/01/2027 | Korean Air Lines | 15:50 |
Book Ulsan to Jeju Flight Tickets on FlyX
FlyX lists each Ulsan to Jeju flight in these results with its fare, departure time, stops, layover airport and baggage, so you can compare air tickets side by side. To find a cheap ticket, sort by price and check what baggage the fare includes. The fare is checked with the airline again before you pay.
Ulsan to Jeju Flight Distance, Duration and Time
The aerial distance between Ulsan and Jeju is about 349 KM. In these results, journey times range from 1h 5m to 25h 55m. Flights with a layover take longer because the total includes the connection time.
Ulsan to Jeju Flight Schedule and Timing
The search for these dates returned 25 flight options, 1 of them non-stop. The first departure from Ulsan is at 09:30 and the last is at 20:20. Flights leave from Ulsan and land at Jeju Airport.
Flight Route Details & Analysis
| Flight Details | Information |
|---|---|
| Route | Ulsan to Jeju |
| Aerial Distance | 349 KM |
| Flight Duration | 1h 5m - 25h 55m |
| Airport Codes | Ulsan - USN, Jeju - CJU |
| Total Flights Available | 25 flights1 direct24 with layovers |
| First Flight Departure | Departs at 09:30 |
| Last Flight Departure | Departs at 20:20 |
| Early Morning Flights (12 AM - 8 AM) | No flights in this time slot |
| Morning Flights (8 AM - 12 PM) | 11 flights0 direct11 with layovers |
| Afternoon Flights (12 PM - 4 PM) | 1 flight1 direct0 with layovers |
| Evening Flights (4 PM - 8 PM) | No flights in this time slot |
| Night Flights (8 PM - 12 AM) | 13 flights0 direct13 with layovers |
Airport Information & Terminals
USN: Ulsan airport. Ulsan airport may offer metro, rail, bus and taxi options. Choose public transport for daytime light-luggage arrivals; choose a cab or hotel transfer for family trips and late landings.
CJU: Jeju airport. Jeju airport may offer metro, rail, bus and taxi options. Choose public transport for daytime light-luggage arrivals; choose a cab or hotel transfer for family trips and late landings.
CJU: Jeju airport. Jeju airport may offer metro, rail, bus and taxi options. Choose public transport for daytime light-luggage arrivals; choose a cab or hotel transfer for family trips and late landings.
