Cheap Flights from Koumac (KOC) to Ulsan (USN)

Popular airlines from Koumac (KOC) to Ulsan (USN)

Frequently asked questions

How much does a flight from Koumac (KOC) to Ulsan Airport (USN) cost?
Secure a cheap one-way flight or cheap return flight from Koumac (KOC) to Ulsan Airport (USN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Koumac (KOC) to Ulsan Airport (USN)?
Traveling in can help you save, as it's the cheapest month for flights between KOC and USN. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Koumac (KOC) to Ulsan Airport (USN)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest KOC to USN flight.
How many flights per day from Koumac (KOC) to Ulsan Airport (USN)?
Nonstop flights from Koumac (KOC) 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 filters. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from KOC to USN?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Koumac (KOC) to Ulsan Airport (USN)?
Select a flight from Koumac (KOC) to Ulsan Airport (USN) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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.
Is it cheaper to buy a plane ticket from Koumac (KOC) to Ulsan Airport (USN) last-minute?
Holding off until just before your departure to book your flight from KOC to USN generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Keep your travel schedule open to maximize your chances of getting a bargain.
Is it cheaper to book a KOC to USN flight and hotel package?
You'll typically save money by securing a KOC to USN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Koumac (KOC) to Ulsan Airport (USN)?
In most cases, you can cancel or modify your KOC to USN flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like more details, head to our Customer Service portal.

Travel information

Origin airport
Koumac
Destination airport
Ulsan
Distance
4501 mi

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Koumac to Ulsan Flights

The cheapest times to fly from Koumac 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 Koumac to Ulsan are during the month of . You can find some of the cheapest flights from Koumac to Ulsan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Koumac to Ulsan

Sunday is one of the best days to book for cheap flights from Koumac 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 Koumac 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 Koumac to Ulsan in 2025. 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 Koumac 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 Koumac 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.

 

Koumac to Ulsan Flights

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*Available to One Key members.