$565 Cheap Flights from St. Louis to Busan (STL to PUS)

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Cheap flight deals from St. Louis to Busan Starting at $565

Whether you’re going for a one-way or round-trip to Busan, we’ve got you covered! Check out these different flight options from St. Louis below.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from St. Louis to Busan?

Explore the best time to buy affordable tickets to Busan with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Alternative Cheap Routes from St. Louis to Busan

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Busan from St. Louis which could help you save money and time.

Cheapest
STL
09:00 am
44h 5m
2 transfer
PUS
08:05 pm
St. Louis Lambert International Airport - Gimhae International Airport
Mon, Feb 24United Airlines
$565
STL
09:00 am
44h 5m
2 transfer
PUS
08:05 pm
St. Louis Lambert International Airport - Gimhae International Airport
Mon, Feb 24United Airlines
$565
Find More Flights

Frequently Asked Questions

When are flight tickets from St. Louis (STL) to Busan (PUS) the cheapest?
Airlines adjust prices for flights from St. Louis to Busan based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from St. Louis (STL) to Busan (PUS) cost?
According to Trip.com's data, the lowest price is around $1,537.
What is the transportation method from the main airport to downtown in Busan?
- The distance from Gimhae International Airport to downtown is about 10 km. It takes about 30 minutes by taxi.

How to find a cheap flight from St. Louis to Busan

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com