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.
USNCJUSat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fare₩309,381Korean Air Lines
Fastest8h 50mgate to gate
Options found15flights on this route
Find your flightUSN → CJU
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in KRW
15 flight options
Fares are checked again before payment.
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Today's Airfare Highlights
Selected flight highlights for 03 Oct 2026.
Lowest fare₩309,381Korean Air Lines09:00
Earliest departure₩309,381Korean Air Lines09:00
Shortest duration₩309,381Korean Air Lines09:00
Night
00:00-05:59
No optionOpen full search for moreMorning
06:00-11:59
₩309,381Korean Air Lines at 09:00Afternoon
12:00-17:59
No optionOpen full search for moreEvening
18:00-23:59
₩309,381Korean Air Lines at 20:35
Departure & Arrival Airport Details
Ulsan (USN)
Ulsan
South Korea
GMT 9
Latitude: 35.59349823
Longitude: 129.352005005
Jeju (CJU)
Jeju Airport
South Korea
GMT 9
Latitude: 33.51129913330078
Longitude: 126.49299621582031
Distance: Ulsan (USN), South Korea to Jeju (CJU), South Korea - 349.48 km
Flights shown for 03 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier — or shifting a day or two — often costs less.
24Sep추석Thursday · in 12 daysPeak
25Sep추석Friday · in 13 daysPeak
26Sep추석Saturday · in 14 daysPeak
05Oct개천절Monday · in 23 daysPeak
09Oct한글날Friday · in 27 daysPeak
25Dec크리스마스Friday · in 104 days
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here — check the exact date for your travel year.
Compare your journey
How to travel Ulsan to Jeju
Every option we can actually book for you, compared on price and journey time.
OptionFromJourney timeAvailability
Connecting flight₹21,960Longer — includes a stop15 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.
KO
Korean Air Lines Flights
from ₩309,38115 flights
Fares from
₩309,381
Non-stop
None in these results
Departures
15 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
8h 50m · Korean Air Lines
First departure of the day
09:00 · Korean Air Lines
Last departure of the day
20:35 · Korean Air Lines
Options in this snapshot
15
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
Around 15 flights appear in the dated route snapshot. Departures run through the day — the first flight leaves around 09:00 and the last around 20:35. The fastest flight takes about 8h 50m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Morning from ₩309,381, Evening from ₩309,381. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
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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
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How to Book Cheap Flights on FlyX
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5
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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.
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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. Across the dates currently loaded for Ulsan to Jeju, Saturday shows the lowest fare at ₩309,381. That is an observed snapshot for these dates, not a rule that holds every 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?
Not for the dates currently loaded - every Ulsan to Jeju option showing right now has at least one stop. Non-stop service can differ by season and by day, so it is worth checking nearby dates before you decide.
Which airlines fly Ulsan to Jeju?
Korean Air Lines is showing on this route for the dates currently loaded. 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?
Every option currently loaded has at least one stop, and the shortest total journey time is about 8h 50m including the layover. Non-stop service on this route can vary by season and by day.
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 showing right now 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 fare showing on Ulsan to Jeju for the dates currently loaded is ₩309,381. Airline pricing moves continuously, so treat this as a dated observation rather than a fixed price.
What time do Ulsan to Jeju flights depart?
For the dates currently loaded the first departure is around 09:00 and the last is around 20:35, 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.
Last checked .
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.
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.
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Lowest Ulsan to Jeju airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
₩309,381
03/10/2026
Korean Air Lines
09:00
Cheapest Airfare Within 30 Days
₩303,196
12/10/2026
Korean Air Lines
09:00
Cheapest Airfare Within 90 Days
₩293,912
11/12/2026
Korean Air Lines
09:00
Book Ulsan to Jeju Flight Tickets on FlyX
Planning to fly from Ulsan to Jeju? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
Ulsan to Jeju Flight Distance, Duration and Time
The aerial distance between Ulsan and Jeju is approximately 349 KM. The flight duration ranges from 8H :50 M up to 23H :20 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
Ulsan to Jeju Flight Schedule and Timing
Around 15 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Ulsan at 09:00, while the last night flight leaves at 20:35. Flights depart from Ulsan and land at Jeju Airport.
Flight Route Details & Analysis
Flight Details
Information
Route
Ulsan to Jeju
Aerial Distance
349 KM
Flight Duration
8H :50 M - 23H :20 M
Airport Codes
Ulsan - USN, Jeju - CJU
Total Flights Available
15 flights (0 direct)
First Flight Departure
Departs at 09:00
Last Flight Departure
Departs at 20:35
Early Morning Flights (12 AM - 8 AM)
0 direct/indirect flights
Morning Flights (8 AM - 12 PM)
4 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
0 direct/indirect flights
Evening Flights (4 PM - 8 PM)
0 direct/indirect flights
Night Flights (8 PM - 12 AM)
11 direct/indirect flights
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.
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