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Incheon Intl

$418+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ICN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$855
(American Airlines)

One-way from

$418
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$1,975
From Missouri to Incheon Intl
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One-way flight from Missouri to Incheon Intl
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($71 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

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 9/17:59 pmSTL - ICN
2 stops29h 31mAmerican Airlines
Sat 9/205:25 pmICN - STL
1 stop16h 50mAmerican Airlines
Deal found 6/12$855
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:50 pmSTL - ICN
2 stops21h 30mUnited Airlines
Sun 11/212:45 pmICN - STL
1 stop19h 18mUnited Airlines
Deal found 6/12$871
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.
Fri 9/128:50 amSTL - ICN
1 stop18h 30mDelta
Sat 10/257:40 pmICN - STL
1 stop19h 42mDelta
Deal found 6/12$962
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:00 pmSTL - ICN
2 stops34h 05mAir Canada
Tue 9/305:45 pmICN - STL
2 stops35h 33mAir Canada
Deal found 6/11$998
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:05 pmSTL - ICN
2 stops58h 00mMultiple Airlines
Sun 9/148:30 amICN - STL
2 stops25h 27mMultiple Airlines
Deal found 6/10$1,061
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.
Wed 8/278:23 amSGF - ICN
1 stop17h 07mAmerican Airlines
Wed 9/35:25 pmICN - SGF
1 stop17h 03mAmerican Airlines
Deal found 6/10$1,179
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:00 amMCI - ICN
2 stops25h 35mMultiple Airlines
Tue 10/147:20 pmICN - MCI
1 stop18h 39mMultiple Airlines
Deal found 6/10$1,188
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:33 amMCI - ICN
1 stop19h 57mAmerican Airlines
Wed 9/245:25 pmICN - MCI
1 stop19h 42mAmerican Airlines
Deal found 6/11$1,200
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:00 amSGF - ICN
2 stops21h 20mDelta
Wed 9/34:25 pmICN - SGF
1 stop19h 40mDelta
Deal found 6/10$1,214
This Fareboom 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:59 pmMCI - ICN
2 stops32h 46mEVA Air
Wed 9/247:45 pmICN - MCI
2 stops32h 57mEVA Air
Deal found 6/11$1,252
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:00 amSGF - ICN
2 stops19h 00mUnited Airlines
Wed 9/311:30 amICN - SGF
2 stops24h 27mUnited Airlines
Deal found 6/10$1,259
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:59 pmMCI - ICN
1 stop20h 21mUnited Airlines
Sun 9/2111:30 amICN - MCI
2 stops24h 12mUnited Airlines
Deal found 6/10$1,332

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 June 12, 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

Mon 9/1

7:59 pm-3:30 pm

2 stops29h 31m

Incheon Intl

Sat 9/20

5:25 pm-8:15 pm

1 stop16h 50m

$855

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Fri 10/24

4:50 pm-4:20 am

2 stops21h 30m

Incheon Intl

Sun 11/2

12:45 pm-6:03 pm

1 stop19h 18m

$871

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Fri 9/12

8:50 am-5:20 pm

1 stop18h 30m

Incheon Intl

Sat 10/25

7:40 pm-1:22 am

1 stop19h 42m

$962

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Mon 9/1

4:00 pm-4:05 pm

2 stops34h 05m

Incheon Intl

Tue 9/30

5:45 pm-3:18 pm

2 stops35h 33m

$998

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sat 9/6

4:05 pm-4:05 pm

2 stops58h 00m

Incheon Intl

Sun 9/14

8:30 am-7:57 pm

2 stops25h 27m

$1,061

SpringfieldIncheon

SGF - ICN

SGFICN

Springfield-Branson

Wed 8/27

8:23 am-3:30 pm

1 stop17h 07m

Incheon Intl

Wed 9/3

5:25 pm-8:28 pm

1 stop17h 03m

$1,179

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Sat 7/12

6:00 am-9:35 pm

2 stops25h 35m

Incheon Intl

Tue 10/14

7:20 pm-11:59 pm

1 stop18h 39m

$1,188

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Thu 9/18

5:33 am-3:30 pm

1 stop19h 57m

Incheon Intl

Wed 9/24

5:25 pm-11:07 pm

1 stop19h 42m

$1,200

SpringfieldIncheon

SGF - ICN

SGFICN

Springfield-Branson

Wed 8/27

6:00 am-5:20 pm

2 stops21h 20m

Incheon Intl

Wed 9/3

4:25 pm-10:05 pm

1 stop19h 40m

$1,214

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Thu 9/18

7:59 pm-6:45 pm

2 stops32h 46m

Incheon Intl

Wed 9/24

7:45 pm-2:42 pm

2 stops32h 57m

$1,252

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 39 results
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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 $1,000). Flying from Missouri to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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 June 12, 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 June 12, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Alaska Airlines 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
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Alaska Airlines
8.0
Very good
10,000 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Delta
8.0
Very good
7,950 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Hawaiian Airlines
7.9
Good
2,494 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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?

    $418 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 Delta and Hawaiian Airlines, with prices starting from $494 and $636, 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 $1,000). Flying from Missouri to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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

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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
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John F Kennedy Intl to Gimpo Intl flights
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San Francisco to Gimpo Intl flights
Newark to Gimpo Intl flights
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Reagan-National to Incheon Intl flights
Dulles Intl to Gimpo Intl flights
Seattle to Gimpo Intl flights
O'Hare Intl to Gimpo Intl flights
Honolulu to Incheon Intl flights
Santa Ana to Incheon Intl flights
San Jose to Incheon Intl flights
Las Vegas to Incheon Intl flights
Minneapolis to Incheon Intl flights
Dallas/Fort Worth to Gimpo Intl flights
LaGuardia to Gimpo Intl flights
Oakland to Incheon Intl flights
Salt Lake City to Incheon Intl flights
Orlando to Incheon Intl flights
George Bush Intcntl to Incheon Intl flights
Portland to Incheon Intl flights
Love Field to Incheon Intl flights
Atlanta to Gimpo Intl flights
Philadelphia to Incheon Intl flights
Burbank to Incheon Intl flights
Midway to Incheon Intl flights
Detroit to Incheon Intl flights
Boston to Gimpo Intl flights
Denver to Incheon Intl flights
Reagan-National to Gimpo Intl flights
Sky Harbor Intl to Incheon Intl flights
Baltimore to Gimpo Intl flights
San Jose to Gimpo Intl flights
Honolulu to Gimpo Intl flights
George Bush Intcntl to Gimpo 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$799Average$1,087FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$877Average$1,354FlexibilityNo cancel feeOn-time69%
DeltaCheapest$877Average$1,485FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$976Average$1,737FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,046Average$1,784FlexibilityNo cancel feeOn-time81%

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