Cheap Flights from Ulsan Airport (USN)

View ₩81,498 flight on Tue, Oct 13, 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 ₩81,498 for one-way flights and ₩160,956 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Mon, Oct 12 - Tue, Oct 13
USN
Ulsan
GMP
Seoul
₩160,956 Roundtrip, found 2 hours ago
₩160,956
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Mon, Oct 12 from Ulsan to Seoul, returning Tue, Oct 13, priced at ₩160,956 found 2 hours ago
Korean Air
Tue, Oct 13 - Sat, Oct 17
USN
Ulsan
GMP
Seoul
₩176,256 Roundtrip, found 3 hours ago
₩176,256
Roundtrip
found 3 hours ago
Select Korean Air flight, departing Tue, Oct 13 from Ulsan to Seoul, returning Sat, Oct 17, priced at ₩176,256 found 3 hours ago
Korean Air
Sat, Oct 3 - Sun, Oct 4
USN
Ulsan
GMP
Seoul
₩188,496 Roundtrip, found 1 hour ago
₩188,496
Roundtrip
found 1 hour ago
Select Korean Air flight, departing Sat, Oct 3 from Ulsan to Seoul, returning Sun, Oct 4, priced at ₩188,496 found 1 hour ago
Korean Air
Tue, Oct 13 - Sat, Oct 17
USN
Ulsan
GMP
Seoul
₩190,536 Roundtrip, found 2 days ago
₩190,536
Roundtrip
found 2 days ago
Select Korean Air flight, departing Tue, Oct 13 from Ulsan to Seoul, returning Sat, Oct 17, priced at ₩190,536 found 2 days ago
Korean Air
Sat, Oct 3 - Mon, Oct 5
USN
Ulsan
GMP
Seoul
₩194,616 Roundtrip, found 3 hours ago
₩194,616
Roundtrip
found 3 hours ago
Select Korean Air flight, departing Sat, Oct 3 from Ulsan to Seoul, returning Mon, Oct 5, priced at ₩194,616 found 3 hours ago
Korean Air
Sat, Oct 17 - Sun, Oct 18
USN
Ulsan
GMP
Seoul
₩196,656 Roundtrip, found 3 hours ago
₩196,656
Roundtrip
found 3 hours ago
Select Korean Air flight, departing Sat, Oct 17 from Ulsan to Seoul, returning Sun, Oct 18, priced at ₩196,656 found 3 hours ago
Korean Air
Fri, Oct 2 - Mon, Oct 5
USN
Ulsan
GMP
Seoul
₩202,776 Roundtrip, found 4 hours ago
₩202,776
Roundtrip
found 4 hours ago
Select Korean Air flight, departing Fri, Oct 2 from Ulsan to Seoul, returning Mon, Oct 5, priced at ₩202,776 found 4 hours ago
Korean Air
Thu, Oct 8 - Mon, Oct 12
USN
Ulsan
GMP
Seoul
₩216,036 Roundtrip, found 4 days ago
₩216,036
Roundtrip
found 4 days ago
Select Korean Air flight, departing Thu, Oct 8 from Ulsan to Seoul, returning Mon, Oct 12, priced at ₩216,036 found 4 days ago
Korean Air
Sat, Oct 10 - Mon, Oct 12
USN
Ulsan
GMP
Seoul
₩217,056 Roundtrip, found 4 days ago
₩217,056
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sat, Oct 10 from Ulsan to Seoul, returning Mon, Oct 12, priced at ₩217,056 found 4 days ago
Korean Air
Mon, Oct 19 - Wed, Oct 21
USN
Ulsan
CJU
Jeju City
₩262,752 Roundtrip, found 1 day ago
₩262,752
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Oct 19 from Ulsan to Jeju City, returning Wed, Oct 21, priced at ₩262,752 found 1 day ago
Korean Air
Mon, Oct 19 - Wed, Oct 21
USN
Ulsan
CJU
Jeju City
₩264,792 Roundtrip, found 1 day ago
₩264,792
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Oct 19 from Ulsan to Jeju City, returning Wed, Oct 21, priced at ₩264,792 found 1 day ago
Korean Air
Mon, Oct 19 - Wed, Oct 21
USN
Ulsan
CJU
Jeju City
₩272,952 Roundtrip, found 1 day ago
₩272,952
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Oct 19 from Ulsan to Jeju City, returning Wed, Oct 21, priced at ₩272,952 found 1 day ago
Korean Air
Mon, Oct 19 - Wed, Oct 21
USN
Ulsan
CJU
Jeju City
₩274,992 Roundtrip, found 1 day ago
₩274,992
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Oct 19 from Ulsan to Jeju City, returning Wed, Oct 21, priced at ₩274,992 found 1 day 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 Seoul (GMP) at ₩81,498. 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.

Travel information

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.

*Available to Expedia members.