Cheap Flights from St. Paul (STP) to Ulsan (USN)

Popular airlines from St. Paul, MN (STP-St. Paul Downtown) to Ulsan (USN)

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Flights from St. Paul (STP) to Ulsan (USN)
Origin airport
St. Paul Downtown
Destination airport
Ulsan
Distance
6273 mi

St. Paul to Ulsan Flights

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

 

The best time to book a flight from St. Paul to Ulsan

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

 

Frequently asked questions

How much does a flight from St. Paul Downtown Airport (STP) to Ulsan Airport (USN) cost?
Secure a cheap one-way flight or cheap return flight from St. Paul Downtown Airport (STP) 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 St. Paul Downtown Airport (STP) to Ulsan Airport (USN)?
The cheapest month to fly from STP to USN is , when there's less demand. Off-peak season is usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from St. Paul Downtown Airport (STP) to Ulsan Airport (USN)?
To find the cheapest airline that'll fly you from STP to USN, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from St. Paul Downtown Airport (STP) to Ulsan Airport (USN)?
Nonstop flights from St. Paul Downtown Airport (STP) to Ulsan Airport (USN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STP to USN?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a range 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 St. Paul Downtown Airport (STP) to Ulsan Airport (USN)?
Book a flight from St. Paul Downtown Airport (STP) to Ulsan Airport (USN) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures 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 St. Paul Downtown Airport (STP) to Ulsan Airport (USN) last-minute?
Waiting until right before your break to book a flight from STP to USN generally means paying more. While you may come across some last-minute discounts, there's no guarantee. Be flexible with your travel plans to maximize your chances of getting a bargain.
Is it cheaper to book a STP to USN flight and hotel package?
Opting for a STP to USN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Paul Downtown Airport (STP) to Ulsan Airport (USN)?
It's generally possible to cancel or reschedule your STP to USN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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