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$586+ Cheap flights from South Korea 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — STL
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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Cheap flight deals from South Korea to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from South Korea (KR0) 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 enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$831
(Air Canada)

One-way from

$586
(Air Canada)
Provider with most accurate pricing for Seoul (SEL)-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Lambert-St Louis flights.
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From South Korea to Lambert-St Louis
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One-way flight from South Korea to Lambert-St Louis
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Find flight deals from South Korea to St. Louis

Cheapest flights from South Korea to St. Louis
Explore the most affordable flight options available from South Korea to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 30, 2025.

This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:50 pmICN - STL
1 stop30h 58mAmerican Airlines
dom. 2/96:29 pmSTL - ICN
2 stops31h 16mAmerican Airlines
Deal found 1/30$797
This Air Canada deal was found by Cheapflights users on 1/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/104:55 pmICN - STL
2 stops37h 11mAir Canada
dom. 2/163:50 pmSTL - ICN
2 stops32h 25mAir Canada
Deal found 1/29$831
This Air Canada deal was found by Cheapflights users on 1/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/38:10 pmICN - STL
2 stops29h 37mMultiple Airlines
dom. 2/93:50 pmSTL - ICN
2 stops32h 25mMultiple Airlines
Deal found 1/30$931
This Korean Air deal was found by Cheapflights users on 1/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/107:30 pmICN - STL
1 stop18h 39mKorean Air
dom. 2/166:00 amSTL - ICN
1 stop18h 30mKorean Air
Deal found 1/29$1,028
This Mytrip deal was found by Cheapflights users on 1/30. 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.
lun. 10/138:55 pmICN - STL
1 stop17h 32mAsiana Airlines
vie. 10/246:00 pmSTL - ICN
1 stop20h 30mAsiana Airlines
Deal found 1/30$1,106
This Flighttix deal was found by Cheapflights users on 1/30. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/312:05 pmGMP - STL
2 stops25h 58mJapan Airlines
dom. 2/97:00 amSTL - GMP
2 stops24h 20mJapan Airlines
Deal found 1/30$1,108
This Delta deal was found by Cheapflights users on 1/30. 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.
dom. 3/164:10 pmPUS - STL
2 stops38h 38mDelta
dom. 3/233:30 pmSTL - PUS
2 stops37h 55mDelta
Deal found 1/30$1,150
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/14:50 pmICN - STL
3 stops35h 52mUnited Airlines
vie. 4/118:48 amSTL - ICN
2 stops29h 32mUnited Airlines
Deal found 1/30$1,314
This Qatar Airways deal was found by Cheapflights users on 1/30. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/2512:20 amICN - STL
2 stops47h 27mQatar Airways
mar. 3/412:00 pmSTL - ICN
2 stops38h 15mQatar Airways
Deal found 1/30$1,536
This Mytrip deal was found by Cheapflights users on 1/30. 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.
dom. 3/1610:50 amPUS - STL
3 stops39h 22mMultiple Airlines
dom. 3/235:33 pmSTL - PUS
3 stops37h 12mMultiple Airlines
Deal found 1/30$2,686
This Delta deal was found by Cheapflights users on 1/30. 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.
mar. 4/84:40 pmICN - STL
2 stops20h 24mDelta
sáb. 5/246:30 amSTL - ICN
2 stops20h 10mDelta
Deal found 1/30$3,567
This Air France deal was found by Cheapflights users on 1/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/78:30 amICN - STL
2 stops27h 06mAir France
sáb. 5/244:00 pmSTL - ICN
2 stops48h 30mAir France
Deal found 1/30$9,312

Find flights from South Korea to St. Louis within your budget

Customize your flight search to find flights from South Korea 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 enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

lun. 2/10

4:55 pm-3:06 pm

2 stops37h 11m

Lambert-St Louis

dom. 2/16

3:50 pm-3:15 pm

2 stops32h 25m

$831

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

lun. 2/10

7:30 pm-11:09 pm

1 stop18h 39m

Lambert-St Louis

dom. 2/16

6:00 am-3:30 pm

1 stop18h 30m

$1,028

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

dom. 3/16

4:10 pm-4:48 pm

2 stops38h 38m

Lambert-St Louis

dom. 3/23

3:30 pm-7:25 pm

2 stops37h 55m

$1,150

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

lun. 2/17

7:30 pm-10:17 pm

1 stop17h 47m

Lambert-St Louis

dom. 3/2

7:00 am-3:55 pm

1 stop17h 55m

$1,211

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

mar. 4/1

4:50 pm-2:42 pm

3 stops35h 52m

Lambert-St Louis

vie. 4/11

8:48 am-4:20 am

2 stops29h 32m

$1,314

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

mar. 2/25

12:20 am-8:47 am

2 stops47h 27m

Lambert-St Louis

mar. 3/4

12:00 pm-5:15 pm

2 stops38h 15m

$1,536

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

mié. 2/26

7:50 am-11:21 am

2 stops18h 31m

Lambert-St Louis

mar. 3/4

5:45 am-6:20 pm

2 stops21h 35m

$1,725

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

dom. 3/16

10:50 am-12:12 pm

3 stops39h 22m

Lambert-St Louis

dom. 3/23

5:33 pm-8:45 pm

3 stops37h 12m

$2,686

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

mar. 4/8

4:40 pm-11:04 pm

2 stops20h 24m

Lambert-St Louis

sáb. 5/24

6:30 am-4:40 pm

2 stops20h 10m

$3,567

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

dom. 4/6

5:25 pm-11:24 pm

2 stops19h 59m

Lambert-St Louis

mar. 5/20

5:00 am-3:30 pm

2 stops20h 30m

$3,707

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 15 results
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Best time to book a flight from South Korea to St. Louis

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

Travel insights for flights from South Korea to St. Louis

Get recent, data-driven insights about flights from South Korea to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from South Korea to St. Louis?

Currently, August is the cheapest month in which you can book a flight from South Korea to St. Louis (average of $311). Flying from South Korea 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.

What is the cheapest time of day to fly from KR to STL?

Find hourly flight availability from South Korea to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 30, 2025.

When flying from South Korea to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 enero 30, 2025.
Read through reviews of airlines operating flights from South Korea to St. Louis, such as Korean Air, ANA and Japan Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
844 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,445 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,450 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Qatar Airways
7.5
Good
3,715 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

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

  • What airport do you fly into for flights to St. Louis from South Korea?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from South Korea.

  • What are the cheapest airlines to fly from South Korea to St. Louis one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $586. However, be on the lookout for offers from Qatar Airways and United Airlines, as they are both options that can get you from South Korea to St. Louis for a low price.

  • What are the most popular routes from South Korea to St. Louis?

    The most popular route from South Korea to St. Louis is Seoul Gimpo Intl - Lambert-St Louis. You may also consider Incheon Intl - Lambert-St Louis or Busan Gimhae - Lambert-St Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from South Korea 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 South Korea to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from South Korea to St. Louis (average of $311). Flying from South Korea 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 South Korea?

Book flights to South Korea if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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Alternative routes for South Korea to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from South Korea to St. Louis

Discover the top 2 airlines that operate flights from South Korea to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$941Average$1,464FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,362Average$1,482FlexibilityNo cancel feeOn-time81%
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