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$540+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — STL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$751
(United Airlines)

One-way from

$540
(American Airlines)
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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 12/1512:45 pmICN - STL
1 stop20h 08mUnited Airlines
Fri 1/307:05 amSTL - ICN
1 stop18h 10mUnited Airlines
Deal found 6/11$735
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 9/155:25 pmICN - STL
1 stop19h 25mAmerican Airlines
Tue 10/147:19 amSTL - ICN
1 stop18h 11mAmerican Airlines
Deal found 6/12$828
This Asiana Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/198:55 pmICN - STL
1 stop33h 58mMultiple Airlines
Sun 11/165:29 pmSTL - ICN
2 stops33h 06mMultiple Airlines
Deal found 6/10$872
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1012:45 pmICN - MCI
1 stop25h 27mMultiple Airlines
Wed 7/166:00 amMCI - ICN
1 stop32h 50mMultiple Airlines
Deal found 6/10$880
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 7/105:25 pmICN - MCI
2 stops29h 05mAmerican Airlines
Wed 7/167:20 pmMCI - ICN
2 stops30h 10mAmerican Airlines
Deal found 6/10$904
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:50 pmICN - STL
2 stops35h 36mAir Canada
Thu 11/204:15 pmSTL - ICN
2 stops33h 50mAir Canada
Deal found 6/11$927
This Gotogate deal was found by Cheapflights users on 6/9. 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.
Tue 11/186:50 pmICN - MCI
2 stops30h 51mAir Canada
Sat 11/226:00 amMCI - ICN
2 stops20h 05mAir Canada
Deal found 6/9$970
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/38:55 pmICN - STL
1 stop21h 59mAsiana Airlines
Sat 7/266:00 amSTL - ICN
1 stop32h 00mAsiana Airlines
Deal found 6/12$973
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 9/264:50 pmICN - MCI
1 stop38h 25mUnited Airlines
Fri 10/175:18 pmMCI - ICN
2 stops21h 02mUnited Airlines
Deal found 6/11$1,097
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 10/118:35 pmICN - MCI
2 stops33h 47mAlaska Airlines
Sat 10/255:57 pmMCI - ICN
3 stops34h 38mAlaska Airlines
Deal found 6/10$1,165
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:05 pmICN - MCI
2 stops19h 27mDelta
Sat 1/36:13 pmMCI - ICN
2 stops31h 17mDelta
Deal found 6/12$1,201
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1712:45 pmICN - SGF
1 stop36h 36mMultiple Airlines
Mon 8/111:21 pmSGF - ICN
2 stops42h 14mMultiple Airlines
Deal found 6/11$1,328

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 June 12, 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

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 9/15

11:30 am-4:53 pm

1 stop19h 23m

Lambert-St Louis

Tue 10/14

5:47 pm-4:20 am

1 stop20h 33m

$751

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 9/15

5:25 pm-10:50 pm

1 stop19h 25m

Lambert-St Louis

Tue 10/14

7:19 am-3:30 pm

1 stop18h 11m

$828

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Tue 8/19

8:55 pm-4:53 pm

1 stop33h 58m

Lambert-St Louis

Sun 11/16

5:29 pm-5:35 pm

2 stops33h 06m

$872

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Thu 7/10

12:45 pm-12:12 am

1 stop25h 27m

Kansas City

Wed 7/16

6:00 am-4:50 am

1 stop32h 50m

$880

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Thu 7/10

5:25 pm-8:30 am

2 stops29h 05m

Kansas City

Wed 7/16

7:20 pm-3:30 pm

2 stops30h 10m

$904

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 11/17

6:50 pm-3:26 pm

2 stops35h 36m

Lambert-St Louis

Thu 11/20

4:15 pm-5:05 pm

2 stops33h 50m

$927

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Tue 11/18

6:50 pm-10:41 am

2 stops30h 51m

Kansas City

Sat 11/22

6:00 am-5:05 pm

2 stops20h 05m

$970

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Thu 7/3

8:55 pm-4:54 am

1 stop21h 59m

Lambert-St Louis

Sat 7/26

6:00 am-4:00 am

1 stop32h 00m

$973

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Fri 9/26

4:50 pm-5:15 pm

1 stop38h 25m

Kansas City

Fri 10/17

5:18 pm-4:20 am

2 stops21h 02m

$1,097

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Sat 10/11

8:35 pm-4:22 pm

2 stops33h 47m

Kansas City

Sat 10/25

5:57 pm-6:35 pm

3 stops34h 38m

$1,165

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 43 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, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Missouri (average of $311). Flying from Incheon Intl Airport to Missouri in March is currently the most expensive (average of $356). 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 June 12, 2025.

When flying from Incheon Intl Airport to Missouri, 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 Missouri by month

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

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

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

If weather is an important factor for your trip to Missouri, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 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 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 June 12, 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines and Alaska Airlines from Seoul to Missouri to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very good
1,088 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Asiana Airlines
8.2
Very good
440 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Alaska Airlines
8.0
Very good
10,000 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Delta
8.0
Very good
7,950 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Hawaiian Airlines
7.9
Good
2,494 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

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.

  • What are the cheapest airlines to fly from Incheon Intl Airport to Missouri one-way?

    $540 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and WestJet, with prices starting from $654 and $798, respectively.

  • 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, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Missouri (average of $311). Flying from Incheon Intl Airport to Missouri in March is currently the most expensive (average of $356). 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 Incheon Intl 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 Incheon Intl to Missouri

Discover the top 2 airlines 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$609Average$919FlexibilityNo cancel feeOn-time69%
DeltaCheapest$687Average$1,206FlexibilityNo cancel feeOn-timeN/A

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