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$387+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ICN
nov. 19 — nov. 261
1 adult
mar. 11/19
mar. 11/26
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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 noviembre 14, 2024.

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 noviembre 14, 2024.

This Delta deal was found by Cheapflights users on 11/14. 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.
jue. 11/146:30 amSTL - ICN
1 stop19h 00mDelta
lun. 11/259:35 amICN - STL
1 stop22h 40mDelta
Deal found 11/14$902
This United Airlines deal was found by Cheapflights users on 11/14. 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.
jue. 11/147:00 pmSTL - ICN
1 stop19h 40mUnited Airlines
lun. 11/2512:45 pmICN - STL
2 stops18h 47mUnited Airlines
Deal found 11/14$907
This Gotogate deal was found by Cheapflights users on 11/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/233:50 pmSTL - ICN
2 stops33h 55mAir Canada
dom. 12/156:20 pmICN - STL
2 stops35h 46mAir Canada
Deal found 11/14$1,224
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/76:46 pmSTL - ICN
2 stops30h 24mMultiple Airlines
vie. 1/101:35 pmICN - STL
1 stop20h 59mMultiple Airlines
Deal found 11/13$1,426
This Korean Air deal was found by Cheapflights users on 11/14. 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.
sáb. 11/236:00 amSTL - ICN
1 stop18h 30mKorean Air
dom. 12/155:50 pmICN - STL
1 stop18h 14mKorean Air
Deal found 11/14$1,576
This Gurufare deal was found by Cheapflights users on 11/13. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/176:17 amSTL - GMP
2 stops25h 03mJapan Airlines
mar. 11/1912:05 pmGMP - STL
2 stops26h 52mJapan Airlines
Deal found 11/13$1,817
This oojo deal was found by Cheapflights users on 11/14. 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.
jue. 12/56:30 amSTL - ICN
2 stops35h 35mTurkish Airlines
mié. 12/1112:10 amICN - STL
2 stops29h 15mTurkish Airlines
Deal found 11/14$1,842
This KLM deal was found by Cheapflights users on 11/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/67:20 amSTL - ICN
2 stops42h 30mKLM
jue. 1/911:05 pmICN - STL
2 stops36h 51mKLM
Deal found 11/13$1,850
This Cathay Pacific deal was found by Cheapflights users on 11/13. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/66:25 amSTL - ICN
2 stops40h 30mCathay Pacific
mié. 1/87:35 pmICN - STL
2 stops35h 45mCathay Pacific
Deal found 11/13$2,067
This Mytrip deal was found by Cheapflights users on 11/13. 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.
sáb. 12/77:14 amSTL - GMP
2 stops24h 06mMultiple Airlines
vie. 12/137:50 amGMP - STL
3 stops23h 35mMultiple Airlines
Deal found 11/13$2,134
This Qatar Airways deal was found by Cheapflights users on 11/14. 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.
vie. 11/221:45 pmSTL - ICN
2 stops36h 30mQatar Airways
sáb. 12/1412:20 amICN - STL
2 stops38h 39mQatar Airways
Deal found 11/14$2,679
This AranGrant deal was found by Cheapflights users on 11/14. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/171:05 pmSTL - GMP
2 stops31h 15mANA
vie. 12/277:50 pmGMP - STL
2 stops29h 57mANA
Deal found 11/14$6,424

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 2,752,363 searches. Data last updated noviembre 14, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

dom. 2/2

3:50 pm-3:15 pm

2 stops32h 25m

Incheon Intl

sáb. 2/8

4:55 pm-3:06 pm

2 stops37h 11m

$864

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

jue. 3/6

3:32 pm-5:40 am

2 stops23h 08m

Incheon Intl

jue. 3/13

11:45 am-10:24 pm

1 stop24h 39m

$902

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

jue. 12/5

6:35 pm-4:15 pm

2 stops30h 40m

Incheon Intl

jue. 12/12

7:30 pm-11:43 pm

2 stops19h 13m

$907

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

sáb. 3/1

7:20 am-5:45 pm

1 stop19h 25m

Incheon Intl

sáb. 3/8

9:40 am-11:39 am

1 stop16h 59m

$992

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

sáb. 4/5

6:30 am-3:20 pm

1 stop18h 50m

Incheon Intl

mar. 4/22

4:25 pm-8:42 pm

1 stop18h 17m

$1,104

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

sáb. 3/1

10:18 am-6:20 pm

2 stops41h 02m

Incheon Intl

vie. 3/7

12:10 am-2:36 pm

2 stops29h 26m

$1,289

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

mié. 4/23

7:51 pm-5:35 pm

2 stops31h 44m

Incheon Intl

mar. 5/20

1:20 am-10:24 pm

2 stops35h 04m

$1,529

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

dom. 4/13

7:24 am-6:00 pm

2 stops20h 36m

Seoul Gimpo Intl

dom. 4/20

7:20 pm-10:54 pm

2 stops41h 34m

$1,642

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

vie. 12/6

7:20 am-4:50 pm

2 stops42h 30m

Incheon Intl

jue. 1/9

11:05 pm-8:56 pm

2 stops36h 51m

$1,850

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

vie. 12/6

6:25 am-1:55 pm

2 stops40h 30m

Incheon Intl

mié. 1/8

7:35 pm-4:20 pm

2 stops35h 45m

$2,067

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 21 results
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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 $1,102). 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 noviembre 14, 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 noviembre 14, 2024.
Read through reviews of airlines operating flights from St. Louis to South Korea, such as Air Canada, Korean Air and United 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
1,036 reviews

Comfort

8.3

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,036 reviews
Korean Air
8.5
Very good
1,036 reviews

Comfort

8.3

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

ANA
8.4
Very good
836 reviews
Korean Air
8.5
Very good
1,036 reviews

Comfort

8.3

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,460 reviews
Korean Air
8.5
Very good
1,036 reviews

Comfort

8.3

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Delta
8.0
Very good
8,788 reviews
Korean Air
8.5
Very good
1,036 reviews

Comfort

8.3

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

KLM
7.8
Good
1,346 reviews
Korean Air
8.5
Very good
1,036 reviews

Comfort

8.3

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

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?

    $506 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Korean Air, with prices starting from $525 and $606, 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 - Jeju City 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 $1,102). 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 2,752,363 searches. Data last updated noviembre 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$870Average$1,236FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$902Average$1,112FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,011Average$1,645FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,168Average$1,632FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$1,331Average$1,492FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$1,469Average$1,908FlexibilityNo cancel feeOn-time81%
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