$217 Cheap Flights from Ulsan (USN) to Osaka (KIX)

View $217 flight on Sun, Dec 14, 2025Opens in a new window

Popular airlines from Ulsan (USN) to Kansai Intl. Airport (KIX)

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Cheap Flights from Ulsan to Osaka (USN-KIX)

Prices were available within the past 7 days and start at $217 for one-way flights and $356 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Wed, Nov 26 - Tue, Dec 23
USN
Ulsan
KIX
Osaka
$356 Roundtrip, found 2 days ago
$356
Roundtrip
found 2 days ago
Select Korean Air flight, departing Wed, Nov 26 from Ulsan to Osaka, returning Tue, Dec 23, priced at $356 found 2 days ago
Korean Air
Mon, Nov 17 - Fri, Nov 21
USN
Ulsan
KIX
Osaka
$388 Roundtrip, found 2 days ago
$388
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Nov 17 from Ulsan to Osaka, returning Fri, Nov 21, priced at $388 found 2 days ago
Korean Air
Mon, Nov 17 - Fri, Nov 21
USN
Ulsan
KIX
Osaka
$405 Roundtrip, found 2 days ago
$405
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Nov 17 from Ulsan to Osaka, returning Fri, Nov 21, priced at $405 found 2 days ago
Korean Air
Mon, Nov 17 - Fri, Nov 21
USN
Ulsan
KIX
Osaka
$416 Roundtrip, found 2 days ago
$416
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Nov 17 from Ulsan to Osaka, returning Fri, Nov 21, priced at $416 found 2 days ago
Korean Air
Mon, Nov 17 - Fri, Nov 21
USN
Ulsan
KIX
Osaka
$433 Roundtrip, found 2 days ago
$433
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Nov 17 from Ulsan to Osaka, returning Fri, Nov 21, priced at $433 found 2 days ago
Korean Air
Tue, Jan 6 - Sat, Jan 10
USN
Ulsan
KIX
Osaka
$437 Roundtrip, found 2 days ago
$437
Roundtrip
found 2 days ago
Select Korean Air flight, departing Tue, Jan 6 from Ulsan to Osaka, returning Sat, Jan 10, priced at $437 found 2 days ago
Korean Air
Mon, Nov 17 - Fri, Nov 21
USN
Ulsan
KIX
Osaka
$440 Roundtrip, found 2 days ago
$440
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Nov 17 from Ulsan to Osaka, returning Fri, Nov 21, priced at $440 found 2 days ago
Korean Air
Tue, Jan 6 - Sat, Jan 10
USN
Ulsan
KIX
Osaka
$444 Roundtrip, found 2 days ago
$444
Roundtrip
found 2 days ago
Select Korean Air flight, departing Tue, Jan 6 from Ulsan to Osaka, returning Sat, Jan 10, priced at $444 found 2 days ago
Korean Air
Tue, Jan 6 - Sat, Jan 10
USN
Ulsan
KIX
Osaka
$458 Roundtrip, found 2 days ago
$458
Roundtrip
found 2 days ago
Select Korean Air flight, departing Tue, Jan 6 from Ulsan to Osaka, returning Sat, Jan 10, priced at $458 found 2 days ago
Korean Air
Tue, Jan 6 - Sat, Jan 10
USN
Ulsan
KIX
Osaka
$465 Roundtrip, found 2 days ago
$465
Roundtrip
found 2 days ago
Select Korean Air flight, departing Tue, Jan 6 from Ulsan to Osaka, returning Sat, Jan 10, priced at $465 found 2 days ago
Korean Air
Mon, Nov 17 - Fri, Nov 21
USN
Ulsan
KIX
Osaka
$468 Roundtrip, found 2 days ago
$468
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Nov 17 from Ulsan to Osaka, returning Fri, Nov 21, priced at $468 found 2 days ago

Frequently asked questions

How much does a flight from Ulsan Airport (USN) to Kansai Intl. Airport (KIX) cost?
Lock in a cheap one-way flight from $217 or cheap return flight from $356 from Ulsan Airport (USN) to Kansai Intl. Airport (KIX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ulsan Airport (USN) to Kansai Intl. Airport (KIX)?
November is the least expensive month to fly from USN to KIX. Traveling during an off-peak travel window is often the key to finding better deals on flights.
Which airlines fly direct from Ulsan Airport (USN) to Kansai Intl. Airport (KIX)?
Although Ulsan (USN) doesn't offer any direct flights to Kansai Intl. Airport (KIX), other airports have nonstop options. Leaving from Gimhae Airport (PUS) will get you to Osaka without any detours.
What is the cheapest airline that flies from Ulsan Airport (USN) to Kansai Intl. Airport (KIX)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest USN to KIX flight.
How many flights per day from Ulsan Airport (USN) to Kansai Intl. Airport (KIX)?
You'll need to hop on a flight with a layover if you're traveling from Ulsan Airport (USN) to Kansai Intl. Airport (KIX). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from USN to KIX?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the airline, season 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 Ulsan Airport (USN) to Kansai Intl. Airport (KIX)?
To avoid possible delays on the Ulsan Airport (USN) to Kansai Intl. Airport (KIX) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Ulsan Airport (USN) to Kansai Intl. Airport (KIX) last-minute?
Holding off until just before your departure to book a flight from USN to KIX generally means paying more. While you might find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book an USN to KIX flight and hotel package?
You can save money by securing an USN to KIX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Ulsan Airport (USN) to Kansai Intl. Airport (KIX)?
Generally, it's possible to reschedule or cancel your USN to KIX flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Ulsan
Destination airport
Kansai Intl.
Roundtrip price
$355
Distance
342 mi

Book with confidence

Ulsan to Osaka Flights

The cheapest times to fly from Ulsan to Osaka

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

 

The best time to book a flight from Ulsan to Osaka

Sunday is one of the best days to book for cheap flights from Ulsan to Osaka: 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 Ulsan to Osaka

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 Ulsan to Osaka in 2025. You can also book with separate airlines for your outbound and return journeys, from $217 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 Ulsan to Osaka 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 Ulsan to Osaka 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.

 

Ulsan to Osaka Flights

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*Available to One Key members.