HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missouri

$552+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — STL
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Incheon Intl to Missouri with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 30, 2025.

Round-trip from

$701
(United Airlines)

One-way from

$552
(Kiwi.com)
From Incheon Intl to Missouri
Search Deals
One-way flight from Incheon Intl to Missouri
Search Deals

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 30, 2025.

This United Airlines deal was found by Cheapflights users on 6/30. 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.
Mon 9/2211:30 amICN - STL
1 stop19h 23mUnited Airlines
Fri 9/263:23 pmSTL - ICN
2 stops22h 57mUnited Airlines
Deal found 6/30$701
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/154:40 pmICN - STL
2 stops21h 58mDelta
Tue 10/146:30 amSTL - ICN
2 stops20h 10mDelta
Deal found 6/29$754
This Korean Air deal was found by Cheapflights users on 6/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:40 pmICN - STL
1 stop18h 29mMultiple Airlines
Tue 10/148:50 amSTL - ICN
1 stop18h 30mMultiple Airlines
Deal found 6/29$758
This American Airlines deal was found by Cheapflights users on 6/28. 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 9/155:25 pmICN - STL
1 stop19h 25mAmerican Airlines
Tue 10/145:28 amSTL - ICN
1 stop20h 02mAmerican Airlines
Deal found 6/28$801
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1412:45 pmICN - MCI
1 stop25h 27mMultiple Airlines
Fri 8/292:56 pmMCI - ICN
1 stop34h 49mMultiple Airlines
Deal found 6/30$823
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:45 pmICN - STL
2 stops35h 33mAir Canada
Thu 10/304:05 pmSTL - ICN
2 stops34h 05mAir Canada
Deal found 6/30$846
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Mon 10/65:25 pmICN - SGF
1 stop20h 28mAmerican Airlines
Sat 10/187:37 pmSGF - ICN
2 stops29h 53mAmerican Airlines
Deal found 6/30$874
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:40 pmICN - STL
1 stop18h 29mKorean Air
Tue 10/148:50 amSTL - ICN
1 stop18h 30mKorean Air
Deal found 6/30$878
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:55 pmICN - MCI
2 stops36h 08mAir Canada
Wed 1/281:45 pmMCI - ICN
2 stops36h 25mAir Canada
Deal found 6/28$1,010
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:40 pmICN - MCI
1 stop18h 29mAsiana Airlines
Wed 1/213:50 pmMCI - ICN
1 stop21h 40mAsiana Airlines
Deal found 6/28$1,048
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 12/258:35 pmICN - MCI
1 stop18h 22mAlaska Airlines
Wed 1/215:55 pmMCI - ICN
2 stops34h 30mAlaska Airlines
Deal found 6/28$1,097
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 10/14:50 pmICN - MCI
2 stops20h 40mUnited Airlines
Fri 10/106:00 pmMCI - ICN
1 stop20h 20mUnited Airlines
Deal found 6/28$1,100

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 30, 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 9/22

11:30 am-10:02 am

2 stops36h 32m

Lambert-St Louis

Fri 9/26

8:25 am-4:20 am

2 stops29h 55m

$701

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 9/15

4:40 pm-12:38 am

2 stops21h 58m

Lambert-St Louis

Tue 10/14

6:30 am-4:40 pm

2 stops20h 10m

$754

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 9/15

6:40 pm-11:09 pm

1 stop18h 29m

Lambert-St Louis

Tue 10/14

8:50 am-5:20 pm

1 stop18h 30m

$758

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

5:28 am-3:30 pm

1 stop20h 02m

$801

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Mon 7/14

12:45 pm-12:12 am

1 stop25h 27m

Kansas City

Fri 8/29

2:56 pm-3:45 pm

1 stop34h 49m

$823

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Tue 10/21

5:45 pm-3:18 pm

2 stops35h 33m

Lambert-St Louis

Thu 10/30

4:05 pm-4:10 pm

2 stops34h 05m

$846

IncheonSpringfield

ICN - SGF

ICNSGF

Incheon Intl

Mon 10/6

5:25 pm-11:53 pm

1 stop20h 28m

Springfield-Branson

Sat 10/18

7:37 pm-3:30 pm

2 stops29h 53m

$874

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 9/15

6:40 pm-11:09 pm

1 stop18h 29m

Lambert-St Louis

Tue 10/14

8:50 am-5:20 pm

1 stop18h 30m

$878

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Fri 12/26

6:55 pm-4:03 pm

2 stops36h 08m

Kansas City

Wed 1/28

1:45 pm-5:10 pm

2 stops36h 25m

$1,010

IncheonKansas City

ICN - MCI

ICNMCI

Incheon Intl

Thu 12/25

8:40 pm-12:09 am

1 stop18h 29m

Kansas City

Wed 1/21

3:50 pm-4:30 am

1 stop21h 40m

$1,048

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 36 results
1
2
3
4

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 30, 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.

How much does it cost to fly round-trip from Incheon Intl Airport to Missouri?

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 30, 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines, and Alaska Airlines 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.
Korean Air
8.4
Very good
1,101 reviews

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

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
1,101 reviews
Korean Air
8.4
Very good
1,101 reviews

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

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
449 reviews
Korean Air
8.4
Very good
1,101 reviews

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

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
1,101 reviews

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

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
7,969 reviews
Korean Air
8.4
Very good
1,101 reviews

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

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.
Qatar Airways
7.4
Good
3,596 reviews
Korean Air
8.4
Very good
1,101 reviews

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Crew

8.7

Comfort

8.3

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?

    $774 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 WestJet and Korean Air, with prices starting from $947 and $948, 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 - Lambert-St Louis, Incheon Intl - Kansas City 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Incheon Intl to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to John F Kennedy Intl flights
Incheon Intl to Newark flights
Incheon Intl to LaGuardia flights
Incheon Intl to Los Angeles flights
Incheon Intl to Dallas/Fort Worth flights
Incheon Intl to Honolulu flights
Incheon Intl to San Francisco flights
Incheon Intl to O'Hare Intl flights
Incheon Intl to Dulles Intl flights
Gimpo Intl to John F Kennedy Intl flights
Gimpo Intl to Honolulu flights
Incheon Intl to Seattle flights
Gimpo Intl to Los Angeles flights
Incheon Intl to Atlanta flights
Incheon Intl to Las Vegas flights
Incheon Intl to Love Field flights
Incheon Intl to Detroit flights
Incheon Intl to Boston flights
Incheon Intl to Ontario flights
Gimpo Intl to Newark flights
Gimpo Intl to San Francisco flights
Incheon Intl to Reagan-National flights
Incheon Intl to Baltimore flights
Incheon Intl to Midway flights
Incheon Intl to Santa Ana flights
Gimpo Intl to O'Hare Intl flights
Incheon Intl to Austin flights
Incheon Intl to Hobby flights
Incheon Intl to San Jose flights
Gimpo Intl to Boston flights
Incheon Intl to Denver flights
Incheon Intl to Orlando flights
Incheon Intl to George Bush Intcntl flights
Incheon Intl to Burbank flights
Incheon Intl to Salt Lake City flights
Incheon Intl to Tampa flights
Incheon Intl to Albuquerque flights
Incheon Intl to Jacksonville flights
Incheon Intl to Oakland flights
Incheon Intl to San Diego flights
Incheon Intl to Minneapolis flights
Incheon Intl to Eugene flights
Gimpo Intl to Atlanta flights
Incheon Intl to Portland flights

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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$609Average$919FlexibilityNo cancel feeOn-time69%
DeltaCheapest$687Average$1,085FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.