Cheap Flights from Busan (PUS) to Ulsan (USN)

Popular airlines from Gimhae Airport (PUS) to Ulsan (USN)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Frequently asked questions

How much does a flight from Gimhae Airport (PUS) to Ulsan Airport (USN) cost?
Grab a cheap one-way flight or cheap return flight from Gimhae Airport (PUS) 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 Gimhae Airport (PUS) to Ulsan Airport (USN)?
The cheapest month to fly from PUS to USN is , when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Gimhae Airport (PUS) to Ulsan Airport (USN)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from PUS to USN. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Gimhae Airport (PUS) to Ulsan Airport (USN)?
Direct flights from Gimhae Airport (PUS) 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 travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PUS to USN?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, carrier 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 Gimhae Airport (PUS) to Ulsan Airport (USN)?
Book a flight from Gimhae Airport (PUS) to Ulsan Airport (USN) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be 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 Gimhae Airport (PUS) to Ulsan Airport (USN) last-minute?
Booking your ticket from PUS to USN just before your getaway is typically more expensive. However, if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a PUS to USN flight and hotel package?
Compared with arranging flights and hotels separately, booking a PUS to USN flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the stress out of travel planning. Simply secure your flights and select from our extensive range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Gimhae Airport (PUS) to Ulsan Airport (USN)?
Typically, it's possible to cancel or reschedule your PUS to USN flight. However, if it's been more than 24 hours since booking, additional charges 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 further details on our Customer Service portal.

Travel information

Origin airport
Gimhae
Destination airport
Ulsan
Distance
37 mi

Book with confidence

Busan to Ulsan Flights

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

 

The best time to book a flight from Busan to Ulsan

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

 

Busan to Ulsan Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.