We've gone through them all to help you find the right flight for you. If you can't find what you're looking for, consider widening your search by looking at flights from a different airport.
Both flight prices and accommodation rates fluctuate throughout the year, but searching by month will reveal the cheapest times to fly.
Last-minute deals can be cheaper, but it's risky. It's best to book flights to Ulsan in advance to avoid disappointment.
Did you know you can also compare hotel and car hire prices in South Korea with Netflights? Take a look to get an idea of prices in Ulsan.