Cheap Flights from Ulsan Airport (USN)

View ₩46,614 flight on Mon, Jun 15, 2026Opens in a new window

Popular airlines from Ulsan (USN)

  • Korean Air

  • KLM

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Flights from Ulsan Airport

Prices were available within the past 7 days and start at ₩46,614 for one-way flights and ₩101,388 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, Jun 18 - Tue, Jun 23
USN
Ulsan
CJU
Jeju City
₩101,388 Roundtrip, found 5 days ago
₩101,388
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Jun 18 from Ulsan to Jeju City, returning Tue, Jun 23, priced at ₩101,388 found 5 days ago
Korean Air
Thu, Jun 18 - Thu, Jun 25
USN
Ulsan
CJU
Jeju City
₩105,468 Roundtrip, found 1 day ago
₩105,468
Roundtrip
found 1 day ago
Select Korean Air flight, departing Thu, Jun 18 from Ulsan to Jeju City, returning Thu, Jun 25, priced at ₩105,468 found 1 day ago
Korean Air
Thu, Jun 18 - Tue, Jun 23
USN
Ulsan
CJU
Jeju City
₩108,528 Roundtrip, found 1 day ago
₩108,528
Roundtrip
found 1 day ago
Select Korean Air flight, departing Thu, Jun 18 from Ulsan to Jeju City, returning Tue, Jun 23, priced at ₩108,528 found 1 day ago
Korean Air
Sun, Jul 5 - Wed, Jul 8
USN
Ulsan
CJU
Jeju City
₩110,568 Roundtrip, found 2 hours ago
₩110,568
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Sun, Jul 5 from Ulsan to Jeju City, returning Wed, Jul 8, priced at ₩110,568 found 2 hours ago
Korean Air
Tue, Apr 28 - Thu, Jun 25
USN
Ulsan
CJU
Jeju City
₩112,608 Roundtrip, found 3 days ago
₩112,608
Roundtrip
found 3 days ago
Select Korean Air flight, departing Tue, Apr 28 from Ulsan to Jeju City, returning Thu, Jun 25, priced at ₩112,608 found 3 days ago
Korean Air
Mon, May 18 - Sun, May 31
USN
Ulsan
GMP
Seoul
₩113,628 Roundtrip, found 2 days ago
₩113,628
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, May 18 from Ulsan to Seoul, returning Sun, May 31, priced at ₩113,628 found 2 days ago
Korean Air
Sun, Jun 28 - Wed, Jul 1
USN
Ulsan
CJU
Jeju City
₩115,668 Roundtrip, found 3 days ago
₩115,668
Roundtrip
found 3 days ago
Select Korean Air flight, departing Sun, Jun 28 from Ulsan to Jeju City, returning Wed, Jul 1, priced at ₩115,668 found 3 days ago
Korean Air
Thu, Jun 25 - Mon, Jun 29
USN
Ulsan
CJU
Jeju City
₩116,688 Roundtrip, found 3 days ago
₩116,688
Roundtrip
found 3 days ago
Select Korean Air flight, departing Thu, Jun 25 from Ulsan to Jeju City, returning Mon, Jun 29, priced at ₩116,688 found 3 days ago
Korean Air
Tue, May 12 - Thu, Jun 25
USN
Ulsan
CJU
Jeju City
₩117,708 Roundtrip, found 2 days ago
₩117,708
Roundtrip
found 2 days ago
Select Korean Air flight, departing Tue, May 12 from Ulsan to Jeju City, returning Thu, Jun 25, priced at ₩117,708 found 2 days ago
Korean Air
Tue, May 12 - Tue, May 19
USN
Ulsan
GMP
Seoul
₩123,828 Roundtrip, found 3 days ago
₩123,828
Roundtrip
found 3 days ago
Select Korean Air flight, departing Tue, May 12 from Ulsan to Seoul, returning Tue, May 19, priced at ₩123,828 found 3 days ago

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 ₩46,614. 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.