Cheap Flights from Ulsan Airport (USN)

View ₩67,218 flight on Mon, Sep 21, 2026Opens in a new window

Popular airlines from Ulsan (USN)

  • Korean Air

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Flights from Ulsan Airport

Prices were available within the past 7 days and start at ₩67,218 for one-way flights and ₩157,896 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Tue, Sep 22 - Tue, Sep 29
USN
Ulsan
GMP
Seoul
₩157,896 Roundtrip, found 8 hours ago
₩157,896
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Tue, Sep 22 from Ulsan to Seoul, returning Tue, Sep 29, priced at ₩157,896 found 8 hours ago
Korean Air
Mon, Sep 21 - Mon, Sep 28
USN
Ulsan
GMP
Seoul
₩175,236 Roundtrip, found 8 hours ago
₩175,236
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Mon, Sep 21 from Ulsan to Seoul, returning Mon, Sep 28, priced at ₩175,236 found 8 hours ago
Korean Air
Sun, Sep 13 - Mon, Sep 14
USN
Ulsan
GMP
Seoul
₩176,256 Roundtrip, found 2 days ago
₩176,256
Roundtrip
found 2 days ago
Select Korean Air flight, departing Sun, Sep 13 from Ulsan to Seoul, returning Mon, Sep 14, priced at ₩176,256 found 2 days ago
Korean Air
Sat, Sep 12 - Mon, Sep 14
USN
Ulsan
GMP
Seoul
₩182,376 Roundtrip, found 8 hours ago
₩182,376
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Sat, Sep 12 from Ulsan to Seoul, returning Mon, Sep 14, priced at ₩182,376 found 8 hours ago
Korean Air
Sun, Sep 13 - Mon, Sep 14
USN
Ulsan
GMP
Seoul
₩190,536 Roundtrip, found 8 hours ago
₩190,536
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Sun, Sep 13 from Ulsan to Seoul, returning Mon, Sep 14, priced at ₩190,536 found 8 hours ago
Korean Air
Fri, Sep 11 - Sun, Sep 13
USN
Ulsan
GMP
Seoul
₩196,656 Roundtrip, found 8 hours ago
₩196,656
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Fri, Sep 11 from Ulsan to Seoul, returning Sun, Sep 13, priced at ₩196,656 found 8 hours ago
Korean Air
Tue, Sep 22 - Mon, Sep 28
USN
Ulsan
GMP
Seoul
₩198,696 Roundtrip, found 8 hours ago
₩198,696
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Tue, Sep 22 from Ulsan to Seoul, returning Mon, Sep 28, priced at ₩198,696 found 8 hours ago
Korean Air
Fri, Sep 18 - Sun, Sep 20
USN
Ulsan
GMP
Seoul
₩201,756 Roundtrip, found 8 hours ago
₩201,756
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Fri, Sep 18 from Ulsan to Seoul, returning Sun, Sep 20, priced at ₩201,756 found 8 hours ago
Korean Air
Thu, Oct 1 - Mon, Oct 5
USN
Ulsan
GMP
Seoul
₩207,876 Roundtrip, found 8 hours ago
₩207,876
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Thu, Oct 1 from Ulsan to Seoul, returning Mon, Oct 5, priced at ₩207,876 found 8 hours ago
Korean Air
Sat, Sep 12 - Sat, Sep 19
USN
Ulsan
GMP
Seoul
₩209,916 Roundtrip, found 2 days ago
₩209,916
Roundtrip
found 2 days ago
Select Korean Air flight, departing Sat, Sep 12 from Ulsan to Seoul, returning Sat, Sep 19, priced at ₩209,916 found 2 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 Seoul (GMP) at ₩67,218. 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.