Cheap Flights from Houston (HOU) to Ulsan (USN)

Popular airlines from Houston William Hobby Airport (HOU) to Ulsan (USN)

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Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Ulsan Airport (USN) cost?
Snag a cheap one-way flight or cheap return flight from William P. Hobby Airport (HOU) 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 William P. Hobby Airport (HOU) to Ulsan Airport (USN)?
Flying in can help you save, as it's the cheapest month for flights between HOU and USN. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Ulsan Airport (USN)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest HOU to USN flight.
How many flights per day from William P. Hobby Airport (HOU) to Ulsan Airport (USN)?
There are no daily direct flights departing from William P. Hobby Airport (HOU) to Ulsan Airport (USN). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from HOU to USN?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Ulsan Airport (USN)?
To arrive at Ulsan Airport (USN) without delays, book a flight that takes off from William P. Hobby Airport (HOU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 William P. Hobby Airport (HOU) to Ulsan Airport (USN) last-minute?
Booking your ticket from HOU to USN shortly before your getaway is typically more expensive. But if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a HOU to USN flight and hotel package?
You'll typically save money by securing a HOU 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 easy to manage everything in one convenient place. Once you've selected your ideal flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Ulsan Airport (USN)?
In most cases, you can reschedule or cancel your HOU to USN flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want further information, visit our Customer Service portal.

Travel information

Origin airport
William P. Hobby
Destination airport
Ulsan
Distance
7075 mi

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Houston to Ulsan Flights

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

 

The best time to book a flight from Houston to Ulsan

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

 

Houston to Ulsan Flights

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