Cheap Flights from Ulsan Airport (USN)

View ₩67,218 flight on Thu, Sep 10, 2026Opens in a new window

Popular airlines from Ulsan (USN)

  • Korean Air

  • KLM

  • 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 ₩134,436 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, Sep 10 - Wed, Sep 16
USN
Ulsan
GMP
Seoul
₩134,436 Roundtrip, just found
₩134,436
Roundtrip
just found
Select Korean Air flight, departing Thu, Sep 10 from Ulsan to Seoul, returning Wed, Sep 16, priced at ₩134,436 just found
Korean Air
Tue, Sep 15 - Thu, Sep 17
USN
Ulsan
GMP
Seoul
₩154,020 Roundtrip, found 4 days ago
₩154,020
Roundtrip
found 4 days ago
Select Korean Air flight, departing Tue, Sep 15 from Ulsan to Seoul, returning Thu, Sep 17, priced at ₩154,020 found 4 days ago
Korean Air
Thu, Sep 17 - Mon, Sep 21
USN
Ulsan
GMP
Seoul
₩162,996 Roundtrip, just found
₩162,996
Roundtrip
just found
Select Korean Air flight, departing Thu, Sep 17 from Ulsan to Seoul, returning Mon, Sep 21, priced at ₩162,996 just found
Korean Air
Mon, Sep 7 - Fri, Sep 11
USN
Ulsan
GMP
Seoul
₩168,096 Roundtrip, found 2 days ago
₩168,096
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Sep 7 from Ulsan to Seoul, returning Fri, Sep 11, priced at ₩168,096 found 2 days ago
Korean Air
Thu, Sep 17 - Mon, Sep 21
USN
Ulsan
GMP
Seoul
₩172,176 Roundtrip, found 2 days ago
₩172,176
Roundtrip
found 2 days ago
Select Korean Air flight, departing Thu, Sep 17 from Ulsan to Seoul, returning Mon, Sep 21, priced at ₩172,176 found 2 days ago
Korean Air
Mon, Sep 7 - Sat, Sep 12
USN
Ulsan
GMP
Seoul
₩176,256 Roundtrip, just found
₩176,256
Roundtrip
just found
Select Korean Air flight, departing Mon, Sep 7 from Ulsan to Seoul, returning Sat, Sep 12, priced at ₩176,256 just found
Korean Air
Sun, Sep 6 - Mon, Sep 7
USN
Ulsan
GMP
Seoul
₩181,560 Roundtrip, found 5 days ago
₩181,560
Roundtrip
found 5 days ago
Select Korean Air flight, departing Sun, Sep 6 from Ulsan to Seoul, returning Mon, Sep 7, priced at ₩181,560 found 5 days ago
Korean Air
Sun, Sep 13 - Mon, Sep 21
USN
Ulsan
GMP
Seoul
₩190,536 Roundtrip, just found
₩190,536
Roundtrip
just found
Select Korean Air flight, departing Sun, Sep 13 from Ulsan to Seoul, returning Mon, Sep 21, priced at ₩190,536 just found
Korean Air
Sun, Sep 6 - Mon, Sep 7
USN
Ulsan
GMP
Seoul
₩190,740 Roundtrip, found 4 days ago
₩190,740
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sun, Sep 6 from Ulsan to Seoul, returning Mon, Sep 7, priced at ₩190,740 found 4 days ago
Korean Air
Tue, Sep 22 - Mon, Sep 28
USN
Ulsan
GMP
Seoul
₩198,696 Roundtrip, just found
₩198,696
Roundtrip
just found
Select Korean Air flight, departing Tue, Sep 22 from Ulsan to Seoul, returning Mon, Sep 28, priced at ₩198,696 just found

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.