Cheap Flights from Seoul to Ulsan

Frequently Asked Questions

• Which airlines offer direct flights from Seoul to Ulsan?

  At the moment, you can catch a direct flight from Seoul to Ulsan with the following airlines, including: Jin Air Korean Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Seoul (SEL) to Ulsan (USN)?

  It takes about 58 minutes to fly from Seoul (SEL) to Ulsan (USN).

• When is the best time to book flights from Seoul to Ulsan?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Ulsan is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Seoul to Ulsan?

  Based on Trip.com data in the past 4 weeks, there is 28 flight per week flying from Seoul to Ulsan. You can check the weekly schedule for popular airlines on this route below: Korean Air: S/M/T/W/T/F/S -- KE5149 (13:10)

• When are flight tickets from Seoul (SEL) to Ulsan (USN) the cheapest?

  The cheapest months to fly from Seoul to Ulsan is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Seoul to Ulsan on?

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Seoul to Ulsan on November 26, 2025 with Jin Air, with prices starting at S$ 35.

• Which airports can I fly to for Ulsan from Seoul?

  You can land at any one of the following hubs in Ulsan, with Gimpo International Airport to Ulsan Airport (GMP-USN) is by far the most common option on this route: Ulsan Airport (USN).

• Is there any time difference between Seoul and Ulsan?

  The time difference between Ulsan and Seoul is 0h.

• How do I change or cancel my ticket from Seoul to Ulsan?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.