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$499+ Cheap flights from South Korea to Missouri

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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — STL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from South Korea to Missouri

Keep the following information in mind while searching for South Korea to Missouri flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$617
(American Airlines)

One-way from

$499
(Kiwi.com)
Provider with most accurate pricing for Seoul (SEL)-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Lambert-St Louis flights.
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From South Korea to Missouri
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One-way flight from South Korea to Missouri
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Find flight deals from South Korea to Missouri

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

This American Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 11/177:15 pmICN - STL
2 stops29h 05mAmerican Airlines
Sun 11/306:13 pmSTL - ICN
1 stop31h 32mAmerican Airlines
Deal found 10/28$618
This Delta deal was found by Cheapflights users on 10/28. 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.
Wed 10/297:30 pmICN - STL
1 stop17h 36mDelta
Tue 12/28:05 pmSTL - ICN
2 stops29h 25mDelta
Deal found 10/28$620
This Delta deal was found by Cheapflights users on 10/30. 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.
Wed 12/248:05 pmICN - MCI
1 stop18h 17mDelta
Sat 1/35:59 pmMCI - ICN
2 stops31h 31mDelta
Deal found 10/30$623
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 10/295:55 pmICN - STL
1 stop16h 58mAmerican Airlines
Tue 12/25:17 amSTL - ICN
1 stop20h 28mAmerican Airlines
Deal found 10/28$624
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/2512:45 pmICN - STL
2 stops24h 37mUnited Airlines
Tue 12/25:27 pmSTL - ICN
2 stops31h 48mUnited Airlines
Deal found 10/28$646
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/147:15 pmICN - STL
1 stop28h 41mAmerican Airlines
Sun 11/306:13 pmSTL - ICN
1 stop31h 32mAmerican Airlines
Deal found 10/28$740
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 12/206:00 pmICN - MCI
2 stops30h 18mUnited Airlines
Sat 1/36:35 pmMCI - ICN
2 stops30h 40mUnited Airlines
Deal found 10/30$763
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:35 pmICN - MCI
1 stop18h 38mAlaska Airlines
Sat 1/36:00 amMCI - ICN
1 stop21h 35mAlaska Airlines
Deal found 10/28$772
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/207:15 pmICN - MCI
1 stop28h 44mAmerican Airlines
Mon 12/298:02 pmMCI - ICN
1 stop29h 43mAmerican Airlines
Deal found 10/28$829
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/217:15 pmICN - MCI
1 stop18h 39mAmerican Airlines
Sun 12/285:04 amMCI - ICN
1 stop20h 41mAmerican Airlines
Deal found 10/30$870
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 12/204:10 pmICN - MCI
2 stops23h 02mDelta
Mon 12/294:05 pmMCI - ICN
1 stop34h 30mDelta
Deal found 10/28$882
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 pmICN - STL
2 stops19h 43mUnited Airlines
Fri 1/28:05 amSTL - ICN
2 stops30h 35mUnited Airlines
Deal found 10/29$950

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Korea to Missouri 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 October 30, 2025.
Use the filters below to find and compare flights from South Korea to Missouri that are best for you.

Fly from

South Korea

Fly to

Missouri

Route

Depart

Return

Price

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Thu 2/5

7:15 pm-10:07 am

2 stops29h 52m

Kansas City

Mon 2/9

5:48 am-4:45 pm

1 stop19h 57m

$617

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 11/17

7:15 pm-8:55 am

1 stop28h 40m

Lambert-St Louis

Sun 11/30

6:13 pm-4:45 pm

1 stop31h 32m

$618

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Thu 2/5

7:30 pm-11:27 pm

1 stop18h 57m

Kansas City

Sun 3/1

7:55 am-4:30 pm

1 stop17h 35m

$620

IncheonSpringfield

ICN - SGF

ICNSGF

Incheon Intl

Fri 3/13

5:00 pm-4:20 pm

2 stops37h 20m

Springfield-Branson

Tue 3/17

1:30 pm-4:40 am

2 stops25h 10m

$645

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Tue 11/25

12:45 pm-10:22 pm

2 stops24h 37m

Lambert-St Louis

Tue 12/2

5:27 pm-4:15 pm

2 stops31h 48m

$646

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Thu 2/12

7:30 pm-9:04 am

2 stops28h 34m

Lambert-St Louis

Mon 2/16

6:30 am-3:30 pm

1 stop18h 00m

$690

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 4/13

4:40 pm-12:36 am

2 stops21h 56m

Lambert-St Louis

Sun 4/19

5:30 pm-5:20 pm

1 stop33h 50m

$690

IncheonSpringfield

ICN - SGF

ICNSGF

Incheon Intl

Fri 3/13

9:35 am-11:14 am

2 stops39h 39m

Springfield-Branson

Tue 3/17

6:45 pm-5:00 am

1 stop20h 15m

$767

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Thu 4/16

7:00 am-11:38 pm

2 stops30h 38m

Lambert-St Louis

Mon 4/20

7:30 am-7:35 pm

2 stops22h 05m

$815

IncheonSpringfield

ICN - SGF

ICNSGF

Incheon Intl

Wed 12/10

10:20 am-3:53 pm

1 stop20h 33m

Springfield-Branson

Mon 12/15

8:00 am-5:35 pm

1 stop18h 35m

$1,168

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 29 results
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Best time to book a flight from South Korea to Missouri

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

Cheapflights Insights

Everything you need to know about your flight from South Korea to Missouri

What is the cheapest month to book a flight from South Korea to Missouri?

Currently, November is the cheapest month in which you can book a flight from South Korea to Missouri (average of $568). Flying from South Korea to Missouri in January is currently the most expensive (average of $1,248). 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 MO?

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

It’s typically best to fly out from South Korea to Missouri at noon. Doing so could potentially save you 59% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from South Korea to Missouri?

Use this chart to determine the cheapest time to fly round-trip from South Korea to Missouri. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their South Korea to Missouri flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from South Korea to Missouri, such as Delta and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Related info for your journey

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

  • How long is the flight from South Korea to Missouri?

    Airlines like American Airlines, Delta, and United Airlines fly from South Korea to Missouri in about 18h 57m. The time it takes to get you to your destination can typically vary by up to 18h 23m. There are 6521 mi between South Korea and Missouri. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from South Korea to Missouri one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $724. Users have also found prices from $1,383 and $1,562 on Qatar Airways and ANA, respectively.

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

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

  • How can I find direct flights from South Korea to Missouri?

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

  • Can I find deals for business class flights from South Korea to Missouri?

    Yes. Cheapflights offers flight deals from South Korea to Missouri 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 Missouri?

    Currently, November is the cheapest month in which you can book a flight from South Korea to Missouri (average of $568). Flying from South Korea to Missouri in January is currently the most expensive (average of $1,248). 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 South Korea to Missouri

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 Missouri

Discover the top 2 airlines that operate flights from South Korea to Missouri. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$568Average$1,552FlexibilityNo cancel feeOn-time71%
DeltaCheapest$648Average$846FlexibilityNo cancel feeOn-timeN/A

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