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Busan

$1,413+ Cheap flights from St. Louis (STL) to Busan (PUS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PUS
Jul 16 — Jul 231
Wed 7/16
Wed 7/23
1 adult, Economy
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Cheap flight deals from St. Louis to Busan

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Busan (PUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 11, 2025.

Round-trip from

$1,413
(oojo)
From Lambert-St Louis to Busan Gimhae
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Find flight deals from St. Louis to Busan

Cheapest flights from St. Louis to Busan
Explore the most affordable flight options available from St. Louis to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

This oojo deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amSTL - PUS
2 stops39h 15mChina Airlines
Sat 8/3010:20 amPUS - STL
2 stops42h 19mChina Airlines
Deal found 7/9$1,413
This Mytrip deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/231:30 pmSTL - PUS
2 stops52h 15mMultiple Airlines
Tue 3/174:10 pmPUS - STL
2 stops37h 19mMultiple Airlines
Deal found 7/9$1,484

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Busan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 11, 2025.
Use the filters below to find and compare flights from St. Louis to Busan that are best for you.

Fly from

St. Louis

Fly to

Busan

Route

Depart

Return

Price

St. LouisBusan

STL - PUS

STLPUS

Lambert-St Louis

Sat 8/23

6:00 am-11:15 am

2 stops39h 15m

Busan Gimhae

Sat 8/30

10:20 am-2:39 pm

2 stops42h 19m

$1,413

St. LouisBusan

STL - PUS

STLPUS

Lambert-St Louis

Wed 7/23

1:30 pm-7:45 am

2 stops52h 15m

Busan Gimhae

Tue 3/17

4:10 pm-3:29 pm

2 stops37h 19m

$1,484

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Best time to book a flight from St. Louis to Busan

Have a flexible travel schedule? Discover the best time to fly to Busan from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Busan

Get insights into the airlines that provide service to Busan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Busan. Reviews last updated July 11, 2025.
Read reviews from past customers who have flown China Airlines from St. Louis to Busan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
744 reviews

Entertainment

8.0

Comfort

8.0

Crew

8.5

Boarding

8.3

Overall

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very good
744 reviews
China Airlines
8.3
Very good
744 reviews

Entertainment

8.0

Comfort

8.0

Crew

8.5

Boarding

8.3

Overall

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Busan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from St. Louis to Busan that include hotel bookings?

    Yes. In addition to deals on St. Louis to Busan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Busan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Busan.

  • Can I find deals for business class flights from St. Louis to Busan?

    Yes. Cheapflights offers flight deals from St. Louis to Busan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Busan?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Busan (average of $1,166). Flying from St. Louis to Busan in December is currently the most expensive (average of $2,247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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