₩1,601,500 Cheap Flights from Busan (PUS) to St. Louis (STL)

View ₩1,601,500 flight on Thu, Dec 24, 2026Opens in a new window

Popular airlines from Gimhae Airport (PUS) to St. Louis Lambert Intl. Airport (STL)

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

Prices were available within the past 7 days and start at ₩1,601,500 for one-way flights and ₩2,126,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Dec 24 - Mon, Feb 22
PUS
Busan
STL
St. Louis
₩2,126,000 Roundtrip, found 2 hours ago
₩2,126,000
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Dec 24 from Busan to St. Louis, returning Mon, Feb 22, priced at ₩2,126,000 found 2 hours ago
Delta
Thu, Dec 24 - Mon, Feb 22
PUS
Busan
STL
St. Louis
₩2,127,000 Roundtrip, found 2 hours ago
₩2,127,000
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Dec 24 from Busan to St. Louis, returning Mon, Feb 22, priced at ₩2,127,000 found 2 hours ago
Korean Air
Thu, Dec 24 - Mon, Feb 22
PUS
Busan
STL
St. Louis
₩2,153,000 Roundtrip, found 2 hours ago
₩2,153,000
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Thu, Dec 24 from Busan to St. Louis, returning Mon, Feb 22, priced at ₩2,153,000 found 2 hours ago
Korean Air
Thu, Dec 24 - Mon, Feb 22
PUS
Busan
STL
St. Louis
₩2,303,000 Roundtrip, found 2 hours ago
₩2,303,000
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Thu, Dec 24 from Busan to St. Louis, returning Mon, Feb 22, priced at ₩2,303,000 found 2 hours ago
Korean Air
Thu, Dec 24 - Mon, Feb 22
PUS
Busan
STL
St. Louis
₩2,304,000 Roundtrip, found 2 hours ago
₩2,304,000
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Thu, Dec 24 from Busan to St. Louis, returning Mon, Feb 22, priced at ₩2,304,000 found 2 hours ago
Delta
Thu, Dec 24 - Mon, Feb 22
PUS
Busan
STL
St. Louis
₩2,330,000 Roundtrip, found 2 hours ago
₩2,330,000
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Dec 24 from Busan to St. Louis, returning Mon, Feb 22, priced at ₩2,330,000 found 2 hours ago
Korean Air
Thu, Dec 24 - Mon, Feb 22
PUS
Busan
STL
St. Louis
₩2,480,000 Roundtrip, found 2 hours ago
₩2,480,000
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Thu, Dec 24 from Busan to St. Louis, returning Mon, Feb 22, priced at ₩2,480,000 found 2 hours ago
Korean Air
Thu, Dec 24 - Mon, Feb 22
PUS
Busan
STL
St. Louis
₩2,557,300 Roundtrip, found 2 hours ago
₩2,557,300
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Thu, Dec 24 from Busan to St. Louis, returning Mon, Feb 22, priced at ₩2,557,300 found 2 hours ago
Delta
Thu, Dec 24 - Mon, Feb 22
PUS
Busan
STL
St. Louis
₩2,584,300 Roundtrip, found 2 hours ago
₩2,584,300
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Dec 24 from Busan to St. Louis, returning Mon, Feb 22, priced at ₩2,584,300 found 2 hours ago
Korean Air
Mon, Jan 11 - Mon, Feb 22
PUS
Busan
STL
St. Louis
₩2,687,300 Roundtrip, found 1 hour ago
₩2,687,300
Roundtrip
found 1 hour ago
Select Korean Air flight, departing Mon, Jan 11 from Busan to St. Louis, returning Mon, Feb 22, priced at ₩2,687,300 found 1 hour ago

Frequently asked questions

How much is a flight from Gimhae Airport (PUS) to Lambert-St. Louis Intl. Airport (STL)?
The lowest price advertised for a round-trip flight between Busan Airport and STL is ₩2,126,000. But you better act soon. This figure is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Gimhae Airport (PUS) to St. Louis Lambert International Airport?
When it comes to cancellation fees, each airline has different terms and conditions. If you decide to cancel your vacation, head to our Customer Service Portal.
How do I find cheap flights from Busan Airport to St. Louis Lambert International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Gimhae Airport (PUS) to Lambert Field flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PUS to STL?
The distance is around 10,900 kilometers, so pack your carry-on bag with all the items you need to make the long journey comfortable. Not sure what to take on board your Busan to St. Louis flight? Earplugs, a sleep mask and a travel pillow are a few essentials.
Which airlines fly direct from PUS to STL?
If you want to travel straight from Busan Airport to Lambert Field, you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly on this route.
Are PUS to STL flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes find a bargain, with some of the cheapest fares from Gimhae Airport (PUS) to Lambert-St. Louis Intl. Airport (STL) appearing a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines quote prices so far in advance.

Travel information

Origin airport
Gimhae
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
₩2,126,000
Distance
10792 km
*Available to Expedia members.