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$532+ Cheap flights from Seoul (SEL) 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — MCI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Seoul to Missouri

Cheapest flights from Seoul to Missouri
Explore the most affordable flight options available from Seoul to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:45 pmICN - STL
1 stop18h 59mUnited Airlines
Mon 1/55:45 pmSTL - ICN
2 stops31h 30mUnited Airlines
Deal found 12/17$661
This Asiana Airlines 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:00 pmICN - STL
1 stop17h 59mMultiple Airlines
Mon 1/55:26 pmSTL - ICN
1 stop20h 54mMultiple Airlines
Deal found 12/17$698
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.
Sat 12/206:00 pmICN - MCI
2 stops30h 18mUnited Airlines
Sat 1/35:46 pmMCI - ICN
2 stops31h 29mUnited Airlines
Deal found 12/16$776
This Delta deal was found by Cheapflights users on 12/18. 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 12/217:30 pmICN - MCI
1 stop29h 14mDelta
Sun 12/285:59 pmMCI - ICN
1 stop30h 31mDelta
Deal found 12/18$1,046
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Sun 12/216:00 pmICN - MCI
2 stops35h 38mUnited Airlines
Sun 12/287:40 amMCI - ICN
2 stops41h 35mUnited Airlines
Deal found 12/18$1,090
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:05 pmICN - MCI
1 stop18h 17mDelta
Sat 1/36:00 amMCI - ICN
1 stop18h 30mDelta
Deal found 12/17$1,099
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:05 pmGMP - STL
2 stops22h 34mJapan Airlines
Mon 1/56:20 amSTL - GMP
2 stops24h 45mJapan Airlines
Deal found 12/17$1,568
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.
Fri 12/1912:45 pmICN - SGF
2 stops22h 37mUnited Airlines
Thu 1/153:00 pmSGF - ICN
2 stops34h 15mUnited Airlines
Deal found 12/16$3,342
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:25 pmICN - SGF
1 stop17h 50mMultiple Airlines
Thu 1/157:00 amSGF - ICN
1 stop19h 15mMultiple Airlines
Deal found 12/16$3,836
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:25 pmICN - SGF
1 stop17h 50mDelta
Thu 1/155:00 pmSGF - ICN
2 stops33h 15mDelta
Deal found 12/17$4,626

Find flight deals from Seoul to Missouri

Keep the following information in mind while searching for Seoul to Missouri flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$592
(American Airlines)

One-way from

$532
(Delta)
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.
Search Deals
From Seoul (SEL) to Missouri
Search Deals
One-way flight from Seoul (SEL) to Missouri
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul 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 December 18, 2025.
Use the filters below to find and compare flights from Seoul to Missouri that are best for you.

Fly from

Seoul

Fly to

Missouri

Route

Depart

Return

Price

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Thu 4/9

5:25 pm-10:29 pm

1 stop19h 04m

Lambert-St Louis

Mon 4/20

5:34 am-3:30 pm

1 stop19h 56m

$629

IncheonSpringfield

ICN - SGF

ICNSGF

Incheon Intl

Tue 2/3

7:15 pm-10:47 pm

1 stop18h 32m

Springfield-Branson

Sat 2/7

5:00 pm-4:45 pm

2 stops56h 45m

$630

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Thu 2/5

8:05 pm-11:23 pm

1 stop18h 18m

Kansas City

Sun 3/1

7:00 am-4:30 pm

1 stop18h 30m

$631

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Tue 4/28

7:20 pm-12:20 am

1 stop19h 00m

Kansas City

Mon 5/4

2:15 pm-3:20 pm

1 stop35h 05m

$631

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Tue 4/14

5:25 pm-8:05 am

2 stops28h 40m

Lambert-St Louis

Tue 4/21

7:20 am-3:30 pm

1 stop18h 10m

$632

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Thu 3/12

8:05 pm-11:15 pm

1 stop17h 10m

Kansas City

Sat 4/18

5:40 pm-5:20 pm

1 stop33h 40m

$634

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Thu 3/12

8:05 pm-8:49 am

2 stops26h 44m

Kansas City

Mon 4/13

7:55 am-4:50 pm

1 stop18h 55m

$634

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Fri 4/10

5:25 pm-8:55 am

1 stop29h 30m

Lambert-St Louis

Mon 4/20

5:34 am-3:30 pm

1 stop19h 56m

$634

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Wed 3/11

8:05 pm-12:41 am

2 stops18h 36m

Kansas City

Tue 4/14

5:40 am-5:20 pm

2 stops21h 40m

$634

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 4/13

5:25 pm-8:55 am

1 stop29h 30m

Lambert-St Louis

Sun 4/19

6:00 pm-3:30 pm

1 stop31h 30m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 39 results
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Best time to book a flight from Seoul to Missouri

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

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

Currently, November is the cheapest month in which you can book a flight from Seoul to Missouri (average of $568). Flying from Seoul 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.

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 December 18, 2025.
Get a feel of what it's like to fly with Delta and American Airlines from Seoul to Missouri by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seoul 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 Seoul to Missouri?

    Airlines like American Airlines, Delta, and Japan Airlines fly from Seoul to Missouri in about 18h 18m. The time it takes to get you to your destination can typically vary by up to 1h 33m. The distance between Seoul and Missouri is about 6521 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Seoul to Missouri?

    When deciding which route to take from Seoul to Missouri consider Incheon Intl - Lambert-St Louis, Incheon Intl - Kansas City or Seoul Gimpo Intl - Kansas City as they are the most popular.

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

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

  • How can I find direct flights from Seoul to Missouri?

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

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

    Yes. Cheapflights offers flight deals from Seoul 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 Seoul to Missouri?

    Currently, November is the cheapest month in which you can book a flight from Seoul to Missouri (average of $568). Flying from Seoul 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.

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Alternative routes for Seoul 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 Seoul to Missouri

Discover the top 2 airlines that operate flights from Seoul 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$568Average$1,621FlexibilityNo cancel feeOn-time71%
DeltaCheapest$630Average$846FlexibilityNo cancel feeOn-timeN/A

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