August is by far the best month, wherein you can get cheapest flights for Ulsan to Seoul. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Ulsan
09:00
Ulsan
Ulsan Airport
Sat , 26 Sep 2026

Seoul
10:00
Seoul
Gimpo International Airport
Sat, 26 Sep 2026

Ulsan
09:00
Ulsan
Ulsan Airport
Thu , 20 Aug 2026

Seoul
10:00
Seoul
Gimpo International Airport
Thu, 20 Aug 2026










Flying from Ulsan to Seoul has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Ulsan to Seoul is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Ulsan Airport (USN) and Gimpo International Airport (GMP). You can expect a flight distance of approximately 316 km, and most direct services cover it in around 01:00.
Let’s take a closer look at everything you need to know before booking your flight from Ulsan to Seoul.
| Flight Details | Information |
|---|---|
| Route Distance | 316 km |
| Average Flight Time | 01:00 hrs |
| Departure Airport | Ulsan Airport (USN) |
| Arrival Airport | Gimpo International Airport (GMP) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | YES |
| Common Airlines | Korean Air |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.