724 € Return - Cheap flights to Ulsan Airport

Compare Ulsan Airport flights across hundreds of providers

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

Book the best fare with no fees

Find the cheapest time to fly to Ulsan

Flexible on travel dates? Find the cheapest month – or even day – to fly to Ulsan.

Airports near Ulsan

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

Frequently asked questions

Currently, there are no airlines that fly direct to Ulsan. But we found flights with one or more stops from 724 €.
The cheapest month to fly to Ulsan is usually October.
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.
No airlines currently offer direct flights between Ireland and Ulsan Airport. Most routes have one or more stops.
The best price we found for a return flight to Ulsan is 724 €. 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.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Ulsan Airport is Friday, 17 October 2025.
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.
Currently, Ryanair offers the cheapest flight tickets to Ulsan.

Flying to Ulsan

The things to know before you go.
Cheapest flight found724 €
Cheapest month to flyOctober

Discover Ulsan

How to find cheap flights to Ulsan Airport (USN)

  • Right now, 522 € is the cheapest price for a one-way flight to Ulsan Airport. Or you can book a round-trip plane ticket to USN for 724 €.

  • Stay updated on fares by setting up a Price Alert. The moment prices on tickets to USN fall, you'll get a notification.

  • Don't wait until the last moment. You're more likely to secure the lowest price on tickets to Ulsan, where Ulsan Airport is located, if you book early. Airlines tend to offer some awesome early bird deals.

  • Choose 'Add nearby airports' during your search to boost your chances of securing cheap flights to Ulsan. Doing this will give you more choices for where you take off and touch down, along with different prices.

  • Consider taking a flight with a stop since indirect routes can often save you money. Just uncheck the 'Direct flights' box when searching for your plane tickets to Ulsan Airport.

Best time to go to Ulsan

  • May is generally the cheapest month to catch a flight to Ulsan.

  • To find the cheapest month for flights to USN, use the 'Whole month' tool. If you're flexible with your dates, search for the green prices on the calendar — they show you the lowest available fares.

  • If you'd like to experience Ulsan at its liveliest, lock in your flights to USN for August. Holidaying during peak periods typically means more things to do compared to other times of the year.

  • The quietest time of the year to travel is April. Book your plane tickets to Ulsan then and enjoy the top attractions at a more relaxed pace.

  • Check the weather conditions before you head off. August brings the warmest days in Ulsan, with averages of between 20ºC (68ºF) and 31ºC (88ºF).

  • Ranging from -5ºC (23ºF) to 8ºC (46ºF), January has the lowest temperatures.

  • Don't want to pack a raincoat? January is the driest month in Ulsan, averaging two days of rain.

  • July has the wettest weather. You can expect around 12 days of rainfall if you're heading there then.

Flying to Ulsan Airport (USN): What you need to know

  • Get to Ulsan in one easy hop with Korean Air. Jin Air also has direct flights to Ulsan Airport.

  • Consider booking your USN plane ticket with Korean Air. It's the carrier with the strongest punctuality record, with up to 78% of flights into this airport arriving on time.

  • You'll be arriving in the UTC+9 timezone at USN.

  • Be tucked up in bed not long after your flight to USN. Book a room at any of these hotels close to Ulsan Airport and you'll be snoozing in no time:

  • Pick up a car hire in USN and explore places that require a little more effort to reach. Lotte Rent A Car and Hertz can hook you up with a ride for your travels through Ulsan and beyond.

  • Flights out of Ulsan Airport reach their destination as scheduled 79% of the time. This measure highlights the airport's performance when it comes to punctuality.

  • Ulsan Airport is located in Ulsan, Ulsan, South Korea.

Getting to central Ulsan from Ulsan Airport (USN)

  • USN is about 8 kilometres from central Ulsan.

  • How long it'll take to get to the centre driving depends on the time of day and traffic conditions. Do some research to find the best route ahead of your flight to USN.

  • The journey when using public transport takes roughly 1 hour 35 minutes.

  • Ulsan has you covered when it comes to a place to stay. Here's a lineup of comfortable hotels to consider for your visit:

Ulsan highlights

  • These top sights have to be on your to-do list after hopping off your flight to Ulsan:

    • Cherry Blossom Park: An impressive preview of all the city has to offer, this landmark is around 3 kilometres north of the centre.

    • Jangsaengpo Whale Culture Village: Take a tour of this landmark next. Around 5 kilometres east of the city centre, it's well worth stopping by for the full Ulsan experience.

How to get to Busan from Ulsan Airport (USN)

  • USN serves as a gateway to the nearby city of Busan, which is about 64 kilometres away. The best way to reach the centre will vary depending on when you travel, so plan ahead accordingly.

  • Plan for a travel time of roughly 2 hours 15 minutes when making your way to Busan on public transport.

Travelling from Ulsan Airport (USN) to Daegu

  • Located about 72 kilometres away, Daegu is another city that you can easily reach from Ulsan Airport. It takes around 3 hours 10 minutes to make the journey by public transport from USN.

Explore more of South Korea

  • There's loads more to see and do in South Korea, starting with Busan. Gamcheon Culture Village, Haeundae Beach and Beautiful View Busan - Diamond Bridge are must-sees in this city, which is about 64 kilometres south-west of Ulsan. Gimhae International Airport (PUS) is the major airport in Busan.

  • Daegu is another standout destination in South Korea and is roughly 72 kilometres north-west of Ulsan. Hit some of the best spots right away at Modern Art Statue, Alive Aquarium Daegu and Jung-gu District. Daegu International Airport (TAE) handles most flights into this city.

  • About 193 kilometres north-west of Ulsan, Daejeon brings even more to your adventure. Top reasons to go include 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.