Cheap Flights from Ulsan Airport (USN)

View ₩42,840 flight on Wed, Feb 4, 2026Opens in a new window

Popular airlines from Ulsan (USN)

  • Korean Air

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Flights from Ulsan Airport

Prices were available within the past 7 days and start at ₩42,840 for one-way flights and ₩96,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Tue, Feb 3 - Thu, Feb 5
USN
Ulsan
CJU
Jeju City
₩96,900 Roundtrip, found 4 days ago
₩96,900
Roundtrip
found 4 days ago
Select Korean Air flight, departing Tue, Feb 3 from Ulsan to Jeju City, returning Thu, Feb 5, priced at ₩96,900 found 4 days ago
Korean Air
Tue, Jan 27 - Thu, Feb 5
USN
Ulsan
CJU
Jeju City
₩100,980 Roundtrip, found 12 hours ago
₩100,980
Roundtrip
found 12 hours ago
Select Korean Air flight, departing Tue, Jan 27 from Ulsan to Jeju City, returning Thu, Feb 5, priced at ₩100,980 found 12 hours ago
Korean Air
Tue, Jan 27 - Thu, Feb 5
USN
Ulsan
CJU
Jeju City
₩103,020 Roundtrip, found 12 hours ago
₩103,020
Roundtrip
found 12 hours ago
Select Korean Air flight, departing Tue, Jan 27 from Ulsan to Jeju City, returning Thu, Feb 5, priced at ₩103,020 found 12 hours ago
Korean Air
Tue, Jan 27 - Thu, Jan 29
USN
Ulsan
CJU
Jeju City
₩104,040 Roundtrip, found 1 day ago
₩104,040
Roundtrip
found 1 day ago
Select Korean Air flight, departing Tue, Jan 27 from Ulsan to Jeju City, returning Thu, Jan 29, priced at ₩104,040 found 1 day ago
Korean Air
Tue, Feb 3 - Sat, Feb 7
USN
Ulsan
CJU
Jeju City
₩107,100 Roundtrip, found 5 days ago
₩107,100
Roundtrip
found 5 days ago
Select Korean Air flight, departing Tue, Feb 3 from Ulsan to Jeju City, returning Sat, Feb 7, priced at ₩107,100 found 5 days ago
Korean Air
Wed, Feb 4 - Mon, Feb 9
USN
Ulsan
GMP
Seoul
₩108,120 Roundtrip, found 3 days ago
₩108,120
Roundtrip
found 3 days ago
Select Korean Air flight, departing Wed, Feb 4 from Ulsan to Seoul, returning Mon, Feb 9, priced at ₩108,120 found 3 days ago
Korean Air
Tue, Feb 3 - Sat, Feb 7
USN
Ulsan
CJU
Jeju City
₩109,140 Roundtrip, found 1 day ago
₩109,140
Roundtrip
found 1 day ago
Select Korean Air flight, departing Tue, Feb 3 from Ulsan to Jeju City, returning Sat, Feb 7, priced at ₩109,140 found 1 day ago
Korean Air
Thu, Feb 5 - Thu, Feb 12
USN
Ulsan
CJU
Jeju City
₩110,160 Roundtrip, found 2 days ago
₩110,160
Roundtrip
found 2 days ago
Select Korean Air flight, departing Thu, Feb 5 from Ulsan to Jeju City, returning Thu, Feb 12, priced at ₩110,160 found 2 days ago
Korean Air
Tue, Feb 3 - Sat, Feb 7
USN
Ulsan
CJU
Jeju City
₩111,180 Roundtrip, found 1 day ago
₩111,180
Roundtrip
found 1 day ago
Select Korean Air flight, departing Tue, Feb 3 from Ulsan to Jeju City, returning Sat, Feb 7, priced at ₩111,180 found 1 day ago
KLM
Mon, Mar 9 - Mon, Mar 16
USN
Ulsan
AMS
Amsterdam
₩2,127,900 Roundtrip, found 14 hours ago
₩2,127,900
Roundtrip
found 14 hours ago
Select KLM flight, departing Mon, Mar 9 from Ulsan to Amsterdam, returning Mon, Mar 16, priced at ₩2,127,900 found 14 hours ago

Ulsan Airport Information

Airport Name
Airport Location
Airport Code
Latitude
Longitude
Altitude
UlsanUlsan, KRIATA: USN, ICAO: RKPU, GPS: RKPU35.593498129.35200545ft

Ulsan, also known by IATA (International Air Transport Association) code USN and ICAO (International Civil Aviation Organization) code RKPU, offers flights from multiple airline carriers to many popular global destinations. Above you'll find some useful information about Ulsan's airport that can help you in planning your next trip. Expedia offers flights from USN airport on multiple airline carriers, and makes it easy and affordable for you to book low cost Ulsan flights.

Frequently asked questions

What is the airport code for Ulsan Airport (USN)?
Ulsan Airport (USN) uses the airport code: USN.
Does Ulsan Airport (USN) have a hotel?
Ulsan Airport (USN) doesn't have any accommodations in the immediate area, but that doesn't mean you'll have to sleep on a bench in the terminal. You're bound to find someplace comfortable to stay before your flight if you look farther afield. While the Hotel Daoom and the Hotel Daum might not be right beside the terminals, they won't take too long to reach either — a short drive at most. The first property offers access to a cafe, a down comforter and buffet breakfasts. The second features a cafe, a restaurant and free WiFi.
Are there private lounges in Ulsan Airport (USN)?
Visit the website of your chosen airline to find out if it has a lounge at Ulsan. If an airport you're flying out of doesn't have this facility, or if you don't have member access, keep yourself occupied checking out any restaurants and cafés within the terminal or doing a little window shopping.
What airlines fly out of Ulsan Airport?
Kick off your vacation the right way by securing a trip out of USN with one of these quality domestic air carriers:

  • Korean Air
  • Jin Air

How many flights per day fly out of USN?
There are 5 flights a day jetting out of Ulsan Airport (USN). That's 5 opportunities to discover someplace new if you're long overdue for a vacation.
How to find cheap flights from USN with Expedia?
After you've entered your destination and travel dates, you can sort your results by lowest price, along with filter by baggage inclusions, airlines and more. The cheapest one-way flight from Ulsan (USN) was to Jeju City (CJU) at ₩42,840. These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. One of the best ways to score a cheap flight is to be flexible with your dates. Start by searching for flights on the dates you'd like, then click "Flexible dates" at the top of the page. This will show you the lowest prices for the days surrounding your trip. You can also filter your search results by specific flight times, airline preference, nonstop flights and more.
Where can you fly to from USN?
Ulsan Airport (USN) has a variety of destinations to select from. Whether you'd like to go somewhere new or return to an old haunt, allow yourself to be inspired by the international flight deals at the top of this page. Rather stay within the country? Seoul stands above the rest as the most-frequented domestic destination.
What is the cancellation policy on flights and how do I cancel my flight on Expedia?
Most flights are free to cancel within 24 hours of making the reservation. However, some flights are non-refundable, and you may receive a flight credit from the airline to use for a future booking. For more information, please visit our Customer Service Portal.
*Available to Expedia members.