Cheap Flights from Singapore (SIN) to Ulsan (USN)

Popular airlines from Singapore to Ulsan (USN)

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Frequently asked questions

How much does a flight from Changi Airport (SIN) to Ulsan Airport (USN) cost?
Snag a cheap one-way flight or cheap return flight from Changi Airport (SIN) to Ulsan Airport (USN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Changi Airport (SIN) to Ulsan Airport (USN)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between SIN and USN. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Changi Airport (SIN) to Ulsan Airport (USN)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SIN to USN flight.
How many flights per day from Changi Airport (SIN) to Ulsan Airport (USN)?
Direct flights from Changi Airport (SIN) to Ulsan Airport (USN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SIN to USN?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Changi Airport (SIN) to Ulsan Airport (USN)?
To arrive at Ulsan Airport (USN) on time, select a flight that leaves from Changi Airport (SIN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Ulsan from Changi Airport (SIN)?
Check out your flight options from Changi Airport (SIN) to Gimhae Airport (PUS). This is the only airport in Ulsan you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Changi Airport (SIN) to Ulsan Airport (USN) last-minute?
Last-minute bookings from SIN to USN are usually more expensive. For the lowest rates, start looking for flights as early as possible. That being said, if your travel plans are flexible, you may score a cheap fare right before you leave.
Is it cheaper to book a SIN to USN flight and hotel package?
Compared with arranging hotels and flights separately, booking a SIN to USN flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place takes the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Changi Airport (SIN) to Ulsan Airport (USN)?
If you booked your SIN to USN flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Changi
Destination airport
Ulsan
Distance
2870 mi

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Singapore to Ulsan Flights

The cheapest times to fly from Singapore to Ulsan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Singapore to Ulsan are during the month of . You can find some of the cheapest flights from Singapore to Ulsan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Singapore to Ulsan

Sunday is one of the best days to book for cheap flights from Singapore to Ulsan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Singapore to Ulsan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Singapore to Ulsan in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Singapore to Ulsan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Singapore to Ulsan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Singapore to Ulsan Flights

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*Available to One Key members.