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St. Louis

$765+ Cheap flights from Busan (PUS) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — STL
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Busan to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Busan (PUS) to St. Louis (STL). 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 March 28, 2025.

Round-trip from

$1,283
(Delta)

One-way from

$765
(Flightnetwork)
From Busan Gimhae to Lambert-St Louis
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One-way flight from Busan Gimhae to Lambert-St Louis
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Find flight deals from Busan to St. Louis

Cheapest flights from Busan to St. Louis
Explore the most affordable flight options available from Busan to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/114:30 pmPUS - STL
2 stops38h 17mDelta
Sun 5/187:05 amSTL - PUS
2 stops36h 25mDelta
Deal found 3/27$1,283
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:45 amPUS - STL
3 stops41h 51mMultiple Airlines
Sun 5/187:30 amSTL - PUS
2 stops24h 05mMultiple Airlines
Deal found 3/27$1,593

Cheapflights Fare Finder

Customize your flight search to find flights from Busan to St. Louis 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 March 28, 2025.
Use the filters below to find and compare flights from Busan to St. Louis that are best for you.

Fly from

Busan

Fly to

St. Louis

Route

Depart

Return

Price

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Sun 5/11

4:30 pm-4:47 pm

2 stops38h 17m

Lambert-St Louis

Sun 5/18

7:05 am-9:30 am

2 stops36h 25m

$1,283

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Sun 5/11

8:45 am-12:36 pm

3 stops41h 51m

Lambert-St Louis

Sun 5/18

7:30 am-9:35 pm

2 stops24h 05m

$1,593

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Sun 5/11

8:05 am-12:36 pm

2 stops42h 31m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Busan 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.

Cheapflights Insights

Everything you need to know about your flight from Busan to St. Louis

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Busan to St. Louis. 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 Busan to St. Louis that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Busan to St. Louis 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 Busan to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Busan to St. Louis (average of $311). Flying from Busan to St. Louis in March is currently the most expensive (average of $356). 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.

See more FAQs

Traveling to a place near Busan?

Book flights to Busan if you plan to visit one of these locations
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Fairview Heights
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Wentzville
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Farmington
Chesterfield

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