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$529+ Cheap flights from St. Louis (STL) to South Korea

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ICN
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from St. Louis to South Korea

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to South Korea (KR0). 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 December 18, 2024.

Round-trip from

$815
(Trip.com)

One-way from

$529
(Kiwi.com)
From Lambert-St Louis to South Korea
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One-way flight from Lambert-St Louis to South Korea
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Find flight deals from St. Louis to South Korea

Cheapest flights from St. Louis to South Korea
Explore the most affordable flight options available from St. Louis to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/248:00 amSTL - ICN
2 stops30h 40mUnited Airlines
Tue 12/3112:45 pmICN - STL
2 stops22h 41mUnited Airlines
Deal found 12/16$2,041
This Turkish Airlines deal was found by Cheapflights users on 12/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:30 pmSTL - ICN
2 stops57h 50mMultiple Airlines
Mon 12/3012:10 amICN - STL
2 stops30h 37mMultiple Airlines
Deal found 12/16$2,269
This Delta deal was found by Cheapflights users on 12/16. 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.
Mon 12/236:04 amSTL - ICN
1 stop18h 26mDelta
Tue 12/317:30 pmICN - STL
1 stop17h 36mDelta
Deal found 12/16$2,287
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/217:07 pmSTL - ICN
1 stop29h 43mKorean Air
Mon 12/237:30 pmICN - STL
1 stop17h 36mKorean Air
Deal found 12/17$2,586
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/216:40 pmSTL - ICN
2 stops32h 05mWestJet
Mon 12/2310:50 pmICN - STL
2 stops38h 16mWestJet
Deal found 12/17$2,913
This Finnair deal was found by Cheapflights users on 12/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/241:45 pmSTL - ICN
2 stops31h 35mFinnair
Mon 1/611:00 pmICN - STL
2 stops38h 17mFinnair
Deal found 12/16$2,975
This Qatar Airways deal was found by Cheapflights users on 12/16. 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.
Sun 12/222:00 pmSTL - ICN
2 stops36h 15mQatar Airways
Mon 12/3012:20 amICN - STL
2 stops38h 39mQatar Airways
Deal found 12/16$3,015
This Air Canada deal was found by Cheapflights users on 12/16. 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.
Wed 12/253:50 pmSTL - ICN
2 stops32h 25mAir Canada
Sun 1/54:55 pmICN - STL
2 stops39h 56mAir Canada
Deal found 12/16$3,272
This Japan Airlines deal was found by Cheapflights users on 12/16. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/226:30 amSTL - GMP
2 stops24h 50mMultiple Airlines
Tue 12/317:50 amGMP - STL
2 stops17h 55mMultiple Airlines
Deal found 12/16$3,351
This Japan Airlines deal was found by Cheapflights users on 12/16. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/235:45 amSTL - GMP
2 stops21h 35mJapan Airlines
Mon 1/67:40 pmGMP - STL
2 stops33h 42mJapan Airlines
Deal found 12/16$6,891
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/216:00 amSTL - GMP
2 stops25h 30mANA
Mon 12/237:50 pmGMP - STL
2 stops29h 57mANA
Deal found 12/17$7,154

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

Customize your flight search to find flights from St. Louis to South Korea 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sat 1/18

7:09 pm-8:30 pm

2 stops34h 21m

Incheon Intl

Sun 1/26

6:55 pm-9:16 am

2 stops29h 21m

$815

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Mon 3/24

5:10 am-3:55 pm

1 stop20h 45m

Incheon Intl

Thu 4/24

5:25 pm-10:26 pm

1 stop19h 01m

$877

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sun 1/12

3:50 pm-3:15 pm

2 stops32h 25m

Incheon Intl

Wed 1/22

8:10 pm-3:06 pm

1 stop33h 56m

$1,196

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Wed 3/12

11:39 am-12:20 pm

2 stops34h 41m

Incheon Intl

Sun 3/30

9:50 pm-6:19 pm

2 stops34h 29m

$1,393

St. LouisBusan

STL - PUS

STLPUS

Lambert-St Louis

Wed 4/16

3:50 pm-8:45 pm

2 stops38h 55m

Busan Gimhae

Wed 4/30

7:00 am-7:43 pm

2 stops50h 43m

$1,427

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Mon 5/12

6:19 pm-2:10 pm

2 stops29h 51m

Incheon Intl

Fri 5/23

10:10 am-11:11 pm

2 stops27h 01m

$1,501

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Mon 3/24

3:50 pm-10:30 pm

2 stops40h 40m

Seoul Gimpo Intl

Thu 4/24

6:40 pm-2:59 pm

2 stops58h 19m

$1,503

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Tue 1/14

5:40 am-6:20 pm

2 stops21h 40m

Seoul Gimpo Intl

Tue 1/21

7:50 am-11:23 am

2 stops18h 33m

$1,507

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sat 5/10

3:44 pm-5:40 pm

2 stops35h 56m

Incheon Intl

Sat 5/24

9:30 am-2:18 pm

2 stops66h 48m

$1,537

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sun 4/6

5:18 pm-3:00 pm

2 stops31h 42m

Incheon Intl

Wed 4/23

4:50 pm-2:18 pm

3 stops35h 28m

$1,539

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 20 results
1
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Best time to book a flight from St. Louis to South Korea

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

Travel insights for flights from St. Louis to South Korea

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

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

Currently, October is the cheapest month in which you can book a flight from St. Louis to South Korea (average of $1,086). Flying from St. Louis to South Korea in June is currently the most expensive (average of $1,708). 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 STL to KR?

Find hourly flight availability from St. Louis to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

When flying from St. Louis to South Korea, 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 South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated December 18, 2024.
Read through reviews of airlines operating flights from St. Louis to South Korea, such as Air Canada, United Airlines and Qatar Airways. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
839 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA
8.4
Very good
839 reviews
ANA
8.4
Very good
839 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Korean Air
8.4
Very good
1,018 reviews
ANA
8.4
Very good
839 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Japan Airlines
8.3
Very good
1,443 reviews
ANA
8.4
Very good
839 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Delta
8.0
Very good
8,604 reviews
ANA
8.4
Very good
839 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Finnair
7.7
Good
1,285 reviews
ANA
8.4
Very good
839 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Entertainment

7.9

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Related info for your journey

Find useful and relevant information for your journey from St. Louis to South Korea. 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 from for flights from St. Louis to South Korea?

    If you book a flight to South Korea from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

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

    $756 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and ANA, with prices starting from $1,216 and $1,393, respectively.

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

    When deciding which route to take from St. Louis to South Korea consider Lambert-St Louis - Incheon Intl, Lambert-St Louis - Seoul Gimpo Intl or Lambert-St Louis - Busan Gimhae as they are the most popular.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from St. Louis to South Korea (average of $1,086). Flying from St. Louis to South Korea in June is currently the most expensive (average of $1,708). 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

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Alternative routes for St. Louis to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from St. Louis to South Korea

Discover the top 6 airlines that operate flights from St. Louis to South Korea. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$870Average$1,236FlexibilityNo cancel feeOn-time67%
DeltaCheapest$902Average$1,603FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$902Average$1,249FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,011Average$1,487FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$1,269Average$1,491FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$1,469Average$1,883FlexibilityNo cancel feeOn-time81%
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