Cheap Flights from Seoul to Ulsan

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Find the cheapest month or even day of the year to fly to Ulsan

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Flight deals from Seoul to Ulsan

Looking for a cheap last-minute deal or the best return flight from Seoul to Ulsan? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seoul to Ulsan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seoul to Ulsan flights are currently cheapest in October.

Direct flights from Seoul to Ulsan

Seoul to Ulsan: Alternative routes

Compare routes from Seoul to Ulsan below. You may find an airport to fly into that's cheaper, faster, or easier than Ulsan.

Seoul to Ulsan: Flight information

The things to know before you go.
Cheapest flight foundR 633
Cheapest month to flyOctober
Average flight time1 hr, 2 mins
Most popular airlineKorean Air
Average flights per week20

Finding cheap flights from Seoul to Ulsan: Frequently asked questions

The best price we found for a return flight from Seoul to Ulsan is R 1,296. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 2 minutes is the average flight time from Seoul to Ulsan.
Korean Air, KLM and Jin Air fly direct from Seoul to Ulsan.
As of July 2025, there are 40 flights per week flying from Seoul to Ulsan.
The cheapest month to fly from Seoul to Ulsan is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Ulsan Airport on Wednesday, 10 September 2025.
Yes – the average flight time is 1 hour and 2 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ulsan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ulsan is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Ulsan is Jin Air .

Travelling from Seoul to Ulsan Airport (USN): What you need to know

  • Kick off your journey at one of Seoul's main airports, Incheon International Airport (ICN) or Gimpo International Airport (GMP). Explore your options for booking a flight from Seoul to Ulsan Airport (USN) departing from either of these.

  • Ulsan (where Ulsan Airport is located) and Seoul share the UTC+9 timezone. You'll have no time difference to factor in for your trip.

  • Your flight from Seoul to USN won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Heading away during a peak time like public or school holidays? Expect longer queues at check-in and security. To play it safe, arrive up to four hours before international flights and two hours ahead of domestic departures.

Airports in Seoul

Incheon International Airport (ICN)

  • ICN is about 48 kilometres from the centre of Seoul. To help work out how to get there, use Google Maps. This essential traveller tool will show you the best route and available public transport options.

  • In search of a convenient hotel near Incheon International Airport? If you've booked an early flight from Seoul to Ulsan Airport, these stays will have you sleeping moments from check-in:

  • Of the flights that depart from Incheon International Airport, 54.5% land on schedule at their destination.

Gimpo International Airport (GMP)

  • You can book a direct Seoul to Ulsan Airport (USN) plane ticket with departures from Gimpo International Airport (GMP). Decide if leaving from GMP is a better fit for your trip.

  • Korean Air offers direct flights from Seoul to USN departing from GMP. Book your favourite aisle (or window) seat and reach your destination in a single stretch.

  • On the GMP to USN route, Korean Air is the favourite choice for most passengers.

  • Among the carriers operating flights between Gimpo International Airport and Ulsan Airport, Korean Air has the most consistent on-time performance.

  • The distance from Seoul's city centre to GMP is about 16 kilometres. Consider transport options and potential delays when planning the fastest way to get to the airport.

  • Want to enjoy an extra night away before catching your Seoul to USN flight? Check in to a hotel near Gimpo International Airport before your break officially begins. These stays have your key waiting:

  • 75.94% of flights out of Gimpo International Airport meet their expected arrival time.

About Ulsan Airport (USN)

  • The last thing you need is a long journey to your hotel if you're arriving on a late flight from Seoul to Ulsan Airport. Make yourself comfy at one of these accommodation options near USN instead:

Getting from Ulsan Airport (USN) to central Ulsan

  • Central Ulsan is roughly 11 kilometres from Ulsan Airport. Travel times by car hire or cab will vary depending on time of day and traffic conditions, so do a little research before your trip.

  • If you're using public transport, expect a journey of around 1 hour 35 minutes.

How to find the cheapest flights from Seoul to Ulsan Airport (USN)

  • The lowest price we've found for a one-way ticket from Seoul to Ulsan Airport is R 633. For a return flight on this route, the best price is R 1,296. Depending on when and how early you book, these fares may change.

  • Lock in cheap flights from Seoul to USN by booking 11 months ahead. Based on our research, that's the ideal time frame for finding the biggest deals.

  • April is when you're most likely to find a good deal on a Seoul to Ulsan Airport ticket. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Never miss a deal on plane tickets from Seoul to USN by setting up a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Tailor your trip using filters. Select your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Seoul to Ulsan Airport.

The best time to fly from Seoul to Ulsan Airport (USN)

  • Picture the kind of break you want when planning your trip dates. April is the quietest month to visit Ulsan. August is when most people book flights from Seoul to Ulsan Airport (USN), which may be ideal if you're chasing more action.

  • The warmest month in Ulsan is August, with temperatures ranging between 20ºC (68ºF) and 31ºC (88ºF). Lock in your Seoul to USN plane ticket then if you enjoy this type of weather.

  • January has temperatures of between -5ºC (23ºF) and 8ºC (46ºF). Search for cheap tickets from Seoul to Ulsan Airport around that time if you like travelling in cooler conditions.

More about Ulsan

  • After booking your flight from Seoul to Ulsan Airport, find a hotel that offers a good mix of location and comfort. Make one of these accommodation options your base for exploring Ulsan:

  • Your trip to Ulsan isn't complete without checking out the sights. Major attractions you won't want to miss include Cherry Blossom Park, Taehwa River Seepri Bamboo Grove and Jangsaengpo Whale Culture Village.

Explore more of South Korea

  • You've seen Ulsan, now it's time to discover other corners of South Korea. Journey about 306 kilometres north-west to Seoul to check off its top sights. From Gyeongbokgung Palace to Bukchon Hanok Village and N Seoul Tower, your itinerary will be busy.

  • Daejeon is another standout destination in South Korea and is around 193 kilometres north-west of Ulsan. No trip is complete without a visit to Temi Park, National Science Museum and Yuseong Hot Springs.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.