HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$540+ Cheap flights from Missouri to Incheon Intl (ICN)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ICN
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Incheon Intl 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 Missouri to Incheon Intl

Keep the following information in mind while searching for Missouri to Incheon Intl flight deals. Data was last updated April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,222
(Priceline)

One-way from

$540
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,253
Provider with most accurate pricing for Kansas City-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-Seoul (SEL) flights.
Search Deals
From Missouri to Incheon Intl
Search Deals
One-way flight from Missouri to Incheon Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Missouri to Incheon Intl

Cheapest flights from Missouri to Incheon Intl
Explore the most affordable flight options available from Missouri to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/31:30 pmSTL - ICN
2 stops36h 35mAir Canada
Sat 5/175:45 pmICN - STL
2 stops32h 51mAir Canada
Deal found 3/30$1,222
This Expedia deal was found by Cheapflights users on 3/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/223:08 pmSTL - ICN
2 stops38h 27mMultiple Airlines
Tue 5/68:35 pmICN - STL
2 stops31h 33mMultiple Airlines
Deal found 3/31$1,242
This Delta deal was found by Cheapflights users on 3/31. 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 9/76:42 pmMCI - ICN
1 stop29h 28mDelta
Tue 9/164:25 pmICN - MCI
1 stop18h 39mDelta
Deal found 3/31$1,330
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:29 pmMCI - ICN
2 stops30h 31mUnited Airlines
Tue 9/1611:30 amICN - MCI
2 stops25h 58mUnited Airlines
Deal found 3/31$1,335
This Gurufare deal was found by Cheapflights users on 3/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:20 pmMCI - ICN
2 stops34h 25mWestJet
Sun 9/218:45 pmICN - MCI
2 stops28h 43mWestJet
Deal found 3/31$1,371
This Delta deal was found by Cheapflights users on 3/31. 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.
Tue 4/2211:15 amSTL - ICN
1 stop16h 05mDelta
Tue 5/64:25 pmICN - STL
1 stop21h 11mDelta
Deal found 3/31$1,409
This Fareboom deal was found by Cheapflights users on 3/31. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/156:44 amSTL - ICN
2 stops46h 01mEVA Air
Mon 4/287:45 pmICN - STL
2 stops32h 23mEVA Air
Deal found 3/31$1,424
This American Airlines deal was found by Cheapflights users on 3/31. 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 12/15:34 amMCI - ICN
1 stop20h 11mAmerican Airlines
Sat 1/316:50 pmICN - MCI
1 stop18h 35mAmerican Airlines
Deal found 3/31$1,430
This American Airlines deal was found by Cheapflights users on 4/1. 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 7/57:38 pmSTL - ICN
1 stop29h 52mAmerican Airlines
Mon 7/215:25 pmICN - STL
1 stop17h 23mAmerican Airlines
Deal found 4/1$1,643
This Gurufare deal was found by Cheapflights users on 4/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/31:09 pmSTL - ICN
2 stops39h 36mWestJet
Mon 6/98:45 pmICN - STL
2 stops37h 52mWestJet
Deal found 4/1$1,657
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:59 pmSTL - ICN
2 stops31h 06mQatar Airways
Fri 9/121:20 amICN - STL
2 stops50h 43mQatar Airways
Deal found 3/31$1,668
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/78:07 pmMCI - ICN
2 stops30h 58mQatar Airways
Mon 9/151:20 amICN - MCI
2 stops32h 56mQatar Airways
Deal found 3/31$1,704

Cheapflights Fare Finder

Customize your flight search to find flights from Missouri to Incheon Intl 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 April 1, 2025.
Use the filters below to find and compare flights from Missouri to Incheon Intl Airport that are best for you.

Fly from

Missouri

Fly to

Incheon Intl

Route

Depart

Return

Price

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sat 5/3

1:30 pm-4:05 pm

2 stops36h 35m

Incheon Intl

Sat 5/17

5:45 pm-12:36 pm

2 stops32h 51m

$1,222

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Tue 4/22

3:08 pm-7:35 pm

2 stops38h 27m

Incheon Intl

Tue 5/6

8:35 pm-2:08 pm

2 stops31h 33m

$1,242

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Sun 9/7

6:42 pm-2:10 pm

1 stop29h 28m

Incheon Intl

Tue 9/16

4:25 pm-9:04 pm

1 stop18h 39m

$1,330

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Sun 9/7

6:29 pm-3:00 pm

2 stops30h 31m

Incheon Intl

Tue 9/16

11:30 am-11:28 pm

2 stops25h 58m

$1,335

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Sun 9/7

6:20 pm-6:45 pm

2 stops34h 25m

Incheon Intl

Sun 9/21

8:45 pm-11:28 am

2 stops28h 43m

$1,371

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Tue 4/22

11:15 am-5:20 pm

1 stop16h 05m

Incheon Intl

Tue 5/6

4:25 pm-11:36 pm

1 stop21h 11m

$1,409

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Tue 4/15

6:44 am-6:45 pm

2 stops46h 01m

Incheon Intl

Mon 4/28

7:45 pm-2:08 pm

2 stops32h 23m

$1,424

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Mon 7/14

5:25 am-3:30 pm

1 stop20h 05m

Incheon Intl

Fri 7/18

5:25 pm-8:56 am

1 stop29h 31m

$1,618

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sat 7/5

7:38 pm-3:30 pm

1 stop29h 52m

Incheon Intl

Mon 7/21

5:25 pm-8:48 pm

1 stop17h 23m

$1,643

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Tue 6/3

1:09 pm-6:45 pm

2 stops39h 36m

Incheon Intl

Mon 6/9

8:45 pm-8:37 pm

2 stops37h 52m

$1,657

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 32 results
1
2
3
4

Best time to book a flight from Missouri to Incheon Intl

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

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

Currently, February is the cheapest month in which you can book a flight from Missouri to Incheon Intl Airport (average of $1,002). Flying from Missouri to Incheon Intl Airport in June is currently the most expensive (average of $1,661). 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 MO to ICN?

Find hourly flight availability from Missouri to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Incheon Intl Airport as you normally would.

Rainfall in Incheon Intl by month

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

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

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

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 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 Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated April 1, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Delta from Missouri to Seoul. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,170 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,170 reviews
EVA Air
8.4
Very good
1,170 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,052 reviews
EVA Air
8.4
Very good
1,170 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Delta
8.0
Very good
7,898 reviews
EVA Air
8.4
Very good
1,170 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Finnair
7.6
Good
1,267 reviews
EVA Air
8.4
Very good
1,170 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Cathay Pacific
7.5
Good
841 reviews
EVA Air
8.4
Very good
1,170 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Incheon Intl. 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 Missouri to Incheon Intl Airport one-way?

    $582 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Korean Air and Cathay Pacific, with prices starting from $735 and $764, respectively.

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

    While some choose either Kansas City - Incheon Intl or Springfield-Branson - Incheon Intl, Lambert-St Louis - Incheon Intl is the most popular route from Missouri to Incheon Intl Airport.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Missouri to Incheon Intl Airport (average of $1,002). Flying from Missouri to Incheon Intl Airport in June is currently the most expensive (average of $1,661). 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

Traveling to a place near Missouri?

Book flights to Missouri if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

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 Missouri to Incheon Intl

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

Top 5 airlines flying from Missouri to Incheon Intl

Discover the top 5 airlines that operate flights from Missouri to Incheon Intl. 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$799Average$1,052FlexibilityNo cancel feeOn-time67%
DeltaCheapest$877Average$1,546FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$881Average$1,494FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$996Average$1,506FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,058Average$1,832FlexibilityNo cancel feeOn-time81%
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.