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$429+ Cheap flights from Incheon Intl (ICN) 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — STL
nov. 13 — nov. 201
jue. 11/13
jue. 11/20
1 adult, Economy
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Cheap flight deals from Incheon Intl to Missouri

Keep the following information in mind while searching for Incheon Intl to Missouri flight deals. Data was last updated octubre 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$617
(American Airlines)

One-way from

$429
(Kiwi.com)
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 Incheon Intl to Missouri
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One-way flight from Incheon Intl to Missouri
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Find flight deals from Incheon Intl to Missouri

Cheapest flights from Incheon Intl to Missouri
Explore the most affordable flight options available from Incheon Intl to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 14, 2025.

This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/278:05 pmICN - MCI
2 stops28h 47mDelta
jue. 12/47:55 amMCI - ICN
1 stop17h 35mDelta
Deal found 10/13$620
This Delta deal was found by Cheapflights users on 10/11. 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.
mié. 11/58:05 pmICN - STL
2 stops19h 19mDelta
dom. 11/96:00 amSTL - ICN
1 stop18h 30mDelta
Deal found 10/11$620
This Delta deal was found by Cheapflights users on 10/14. 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. 11/207:30 pmICN - STL
2 stops19h 14mDelta
mié. 12/36:00 amSTL - ICN
2 stops19h 30mDelta
Deal found 10/14$622
This American Airlines deal was found by Cheapflights users on 10/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/207:15 pmICN - STL
1 stop18h 19mAmerican Airlines
mié. 12/37:00 amSTL - ICN
1 stop18h 45mAmerican Airlines
Deal found 10/14$626
This American Airlines deal was found by Cheapflights users on 10/12. 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.
mié. 11/267:15 pmICN - STL
1 stop18h 19mAmerican Airlines
mié. 12/35:10 amSTL - ICN
1 stop20h 35mAmerican Airlines
Deal found 10/12$630
This American Airlines deal was found by Cheapflights users on 10/12. 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.
vie. 11/77:15 pmICN - STL
2 stops27h 53mAmerican Airlines
vie. 11/145:17 amSTL - ICN
1 stop20h 28mAmerican Airlines
Deal found 10/12$634
This United Airlines deal was found by Cheapflights users on 10/11. 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.
mié. 11/512:45 pmICN - STL
2 stops24h 37mUnited Airlines
dom. 11/96:43 pmSTL - ICN
2 stops30h 32mUnited Airlines
Deal found 10/11$645
This Hanatour deal was found by Cheapflights users on 10/14. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/256:40 pmICN - STL
1 stop18h 26mDelta
lun. 11/106:34 amSTL - ICN
1 stop18h 46mDelta
Deal found 10/14$652
This Delta deal was found by Cheapflights users on 10/14. 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.
sáb. 10/256:40 pmICN - STL
1 stop28h 11mDelta
sáb. 11/85:22 pmSTL - ICN
2 stops31h 08mDelta
Deal found 10/14$675
This American Airlines deal was found by Cheapflights users on 10/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/227:15 pmICN - MCI
1 stop18h 35mAmerican Airlines
vie. 2/65:48 amMCI - ICN
1 stop19h 57mAmerican Airlines
Deal found 10/13$683
This SmartFares deal was found by Cheapflights users on 10/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/258:35 pmICN - MCI
1 stop18h 38mAlaska Airlines
vie. 1/26:00 amMCI - ICN
1 stop21h 35mAlaska Airlines
Deal found 10/13$689
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/226:00 pmICN - MCI
2 stops31h 34mUnited Airlines
vie. 2/63:00 pmMCI - ICN
2 stops23h 40mUnited Airlines
Deal found 10/13$698

Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl 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 octubre 14, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Missouri that are best for you.

Fly from

Incheon Intl

Fly to

Missouri

Route

Depart

Return

Price

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

jue. 2/5

6:50 pm-11:05 am

1 stop31h 15m

Kansas City

lun. 2/9

5:48 am-4:45 pm

1 stop19h 57m

$617

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

jue. 2/5

8:05 pm-10:59 pm

1 stop17h 54m

Kansas City

dom. 3/1

5:40 pm-3:30 pm

1 stop30h 50m

$620

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

jue. 11/27

7:30 pm-9:52 am

1 stop29h 22m

Kansas City

jue. 12/4

7:55 am-4:30 pm

1 stop17h 35m

$620

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

mié. 12/24

8:05 pm-9:44 am

2 stops28h 39m

Kansas City

dom. 1/4

7:33 am-4:30 pm

1 stop17h 57m

$620

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

mar. 2/17

7:30 pm-11:40 pm

2 stops19h 10m

Lambert-St Louis

mar. 3/17

2:15 pm-4:30 pm

2 stops36h 15m

$620

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

mié. 2/18

7:30 pm-11:40 pm

2 stops19h 10m

Lambert-St Louis

sáb. 3/21

6:45 pm-4:30 pm

2 stops31h 45m

$620

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

mié. 11/26

7:30 pm-11:23 pm

1 stop18h 53m

Lambert-St Louis

mié. 12/3

6:00 am-4:30 pm

2 stops19h 30m

$620

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

mié. 11/5

8:05 pm-12:24 am

2 stops19h 19m

Lambert-St Louis

dom. 11/9

6:00 am-3:30 pm

1 stop18h 30m

$620

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

mié. 2/18

7:30 pm-11:40 pm

2 stops19h 10m

Lambert-St Louis

dom. 3/22

6:30 am-4:30 pm

2 stops20h 00m

$620

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

jue. 11/20

7:30 pm-8:55 am

1 stop28h 25m

Lambert-St Louis

mié. 12/3

6:00 am-4:30 pm

2 stops19h 30m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

Showing 1-10 of 28 results
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Best time to book a flight from Incheon Intl to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Incheon Intl 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 Incheon Intl Airport to Missouri

What is the cheapest month to book a flight from Incheon Intl Airport to Missouri?

Currently, October is the cheapest month in which you can book a flight from Incheon Intl Airport to Missouri (average of $602). Flying from Incheon Intl Airport 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 ICN to MO?

Find hourly flight availability from Incheon Intl 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 octubre 14, 2025.

It’s typically best to fly out from Incheon Intl Airport to Missouri in the afternoon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

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 octubre 14, 2025.
Peruse reviews from past customers who have flown with Delta from Incheon Intl Airport to Missouri to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl 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 Incheon Intl Airport to Missouri?

    There are many flights that can get you from Incheon Intl Airport to Missouri in 17h 54m. Fly via American Airlines, Delta, or United Airlines to get the fastest option. There are 6521 mi between Incheon Intl Airport and Missouri. This flight may include one or multiple stops.

  • What are the most popular routes from Incheon Intl Airport to Missouri?

    The most popular flight routes from Incheon Intl Airport to Missouri are Incheon Intl - Kansas City, Incheon Intl - Lambert-St Louis and Incheon Intl - Springfield-Branson.

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

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

  • How can I find direct flights from Incheon Intl to Missouri?

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl Airport to Missouri?

    Currently, October is the cheapest month in which you can book a flight from Incheon Intl Airport to Missouri (average of $602). Flying from Incheon Intl Airport 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 Incheon Intl to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Incheon Intl to Missouri

Discover the top airline that operate flights from Incheon Intl 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 octubre 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$648Average$846FlexibilityNo cancel feeOn-timeN/A

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