Cheap flight from Ulsan to Seoul from $37

Frequently Asked Questions

• Which airlines offer direct flights from Ulsan to Seoul?

  At the moment, you can catch a nonstop flight from Ulsan to Seoul 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 does it take to fly from Ulsan (USN) to Seoul (SEL) and what is the distance?

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

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Ulsan to Seoul 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 Ulsan to Seoul?

  Based on Trip.com data in the past 4 weeks, there is 28 flight per week flying from Ulsan to Seoul. You can check the weekly schedule for popular airlines on this route below: Korean Air: S/M/T/W/T/F/S -- KE1844 (09:39) Korean Air: S/M/T/W/T/F/S -- KE1848 (20:43)

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

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

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

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Ulsan to Seoul on November 10, 2025 with Jin Air, with prices starting at $29.

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

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

• Is there any time difference between Ulsan and Seoul?

  The time difference between Seoul and Ulsan is 0h.

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

  Tickets can only be changed or canceled 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.