Cheap Flights from Las Vegas (LAS) to Ulsan (USN)

Popular airlines from Harry Reid Intl. Airport (LAS) to Ulsan (USN)

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Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Ulsan Airport (USN) cost?
Grab a cheap one-way flight or cheap return flight from Harry Reid Intl. Airport (LAS) to Ulsan Airport (USN) 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 Harry Reid Intl. Airport (LAS) to Ulsan Airport (USN)?
is the least expensive month to fly from LAS to USN. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Ulsan Airport (USN)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest LAS to USN flight.
How many flights per day from Harry Reid Intl. Airport (LAS) to Ulsan Airport (USN)?
You'll need to take a flight with a layover when traveling from Harry Reid Intl. Airport (LAS) to Ulsan Airport (USN). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from LAS to USN?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Ulsan Airport (USN)?
To avoid possible delays on the Harry Reid Intl. Airport (LAS) to Ulsan Airport (USN) route, aim to travel 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 Harry Reid Intl. Airport (LAS) to Ulsan Airport (USN) last-minute?
Holding off until just before your trip to book a flight from LAS to USN often results in higher prices. While you might find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of getting a bargain.
Is it cheaper to book a LAS to USN flight and hotel package?
Compared with arranging flights and hotels separately, booking a LAS to USN flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Ulsan Airport (USN)?
It's usually possible to reschedule or cancel your LAS to USN flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Ulsan
Distance
5980 mi

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Las Vegas to Ulsan Flights

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

 

The best time to book a flight from Las Vegas to Ulsan

Sunday is one of the best days to book for cheap flights from Las Vegas 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 Las Vegas 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 Las Vegas 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 Las Vegas 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 Las Vegas 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.

 

Las Vegas to Ulsan Flights

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*Available to One Key members.