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

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

  • 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 rewards

The Annual Vacation Sale

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

Frequently asked questions

How much is a flight from Lambert Field to Gimhae Airport (PUS)?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Lambert Field to PUS start from . Book today to get the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STL to Busan Airport?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Lambert Field to PUS that have flexible change policies?
Select our "No change fees" filter to find flexible ticketing options for your flight from STL to Busan Airport. This allows you to lock in a low rate in advance and still have the freedom to reschedule without any extra fees. Fare adjustments may apply if your new flight is more expensive.
How far is the flight from STL to PUS?
You'll have 10,900 kilometres to cover on the long-haul St. Louis to Busan route. Dress in layers of comfy clothes and consider taking some noise-cancelling headphones and a sleep mask.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to PUS?
If you want to travel straight from Lambert-St. Louis Intl. Airport (STL) to Busan Airport, you'll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.
Are Lambert-St. Louis Intl. Airport (STL) to Busan Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Lambert-St. Louis Intl. Airport (STL) to PUS at the last minute could be your ticket to a cheap deal. However, it might cost you a whole lot more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Gimhae
Distance
10792 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.