What is the cheapest airline that flies from Missouri to Incheon Intl?

Air Canada, Cathay Pacific, and Delta are the most popular carriers operating from Missouri to Incheon Intl

How long does it take to fly to Incheon Intl Airport?

On average, it takes 19h 20m to fly from Missouri to Incheon Intl Airport if you fly out of St. Louis (the most popular airport in Missouri) and into Incheon Intl Airport (the most popular airport in Incheon Intl Airport). If you’re flying out of Kansas City and into Incheon Intl Airport, then the flight time is around 20h 40m.

What airlines fly to Incheon Intl Airport?

Delta, United Airlines and Asiana Airlines are the top three most popular airlines that fly to Incheon Intl Airport from Missouri according to our data. Delta is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 6 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Missouri to Incheon Intl Airport?

Prices for flights from Missouri to Incheon Intl Airport were last updated today.

How many operators does momondo search for flights from Missouri to Incheon Intl Airport?

As of September 2026, there are 6 operators available to choose from for flights from Missouri to Incheon Intl Airport.

How old do you have to be to fly from Missouri to Incheon Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Incheon Intl Airport.

What documentation or ID do you need to fly to Incheon Intl Airport?

The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$542 Cheap Flights from Missouri to Incheon Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Seoul

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:59 pm - 9:20 pmSTL Lambert-St Louis-ICN Incheon Intl

35h 21m2 stops Denver Intl San Francisco

7:45 pm - 11:19 amICN Incheon Intl-STL Lambert-St Louis

30h 34m2 stops San Francisco Dallas/Fort Worth

$1,060Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

10:32 am - 12:45 pmSGF Springfield-Branson-ICN Incheon Intl

36h 13m2 stops Chicago O'Hare Intl Hong Kong Intl

7:35 pm - 10:41 pmICN Incheon Intl-SGF Springfield-Branson

42h 06m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,091Multiple Airlines

Mon, Oct 26 - Wed, Nov 18

7:20 pm - 4:45 amSTL Lambert-St Louis-ICN Incheon Intl

19h 25m1 stop Atlanta Hartsfield-Jackson

9:35 am - 3:37 pmICN Incheon Intl-STL Lambert-St Louis

21h 02m1 stop Detroit Metropolitan Wayne County

$1,096Delta

Tue, Oct 27 - Tue, Nov 3

6:40 am - 4:50 pmSTL Lambert-St Louis-ICN Incheon Intl

19h 10m1 stop Detroit Metropolitan Wayne County

7:25 pm - 12:05 amICN Incheon Intl-STL Lambert-St Louis

19h 40m1 stop Atlanta Hartsfield-Jackson

$1,096Delta

Wed, Nov 11 - Thu, Dec 10

6:00 am - 4:25 pmSTL Lambert-St Louis-ICN Incheon Intl

19h 25m1 stop Newark

12:45 pm - 6:11 pmICN Incheon Intl-STL Lambert-St Louis

20h 26m1 stop San Francisco

$1,096United Airlines

Mon, Nov 9 - Tue, Dec 8

5:00 am - 4:15 pmSTL Lambert-St Louis-ICN Incheon Intl

21h 15m2 stops Chicago O'Hare Intl San Francisco

6:30 pm - 9:52 pmICN Incheon Intl-STL Lambert-St Louis

18h 22m1 stop Newark

$1,096United Airlines

Tue, Oct 27 - Tue, Nov 3

4:05 pm - 5:10 pmSTL Lambert-St Louis-ICN Incheon Intl

34h 05m2 stops Toronto Pearson Intl Vancouver Intl

6:55 pm - 3:26 pmICN Incheon Intl-STL Lambert-St Louis

35h 31m2 stops Vancouver Intl Toronto Pearson Intl

$1,177Air Canada

Fri, Jan 22 - Fri, Feb 5

4:05 pm - 5:10 pmSTL Lambert-St Louis-ICN Incheon Intl

34h 05m2 stops Toronto Pearson Intl Vancouver Intl

8:10 pm - 3:26 pmICN Incheon Intl-STL Lambert-St Louis

34h 16m1 stop Toronto Pearson Intl

$1,177Air Canada

Fri, Jan 22 - Fri, Feb 5

8:26 am - 4:45 pmSGF Springfield-Branson-ICN Incheon Intl

18h 19m1 stop Dallas/Fort Worth

6:50 pm - 8:42 amICN Incheon Intl-SGF Springfield-Branson

28h 52m1 stop Dallas/Fort Worth

$1,202American Airlines

Mon, Oct 26 - Wed, Nov 18

4:30 pm - 5:40 amMCI Kansas City-ICN Incheon Intl

22h 10m2 stops Houston George Bush Intcntl San Francisco

11:45 am - 8:52 pmICN Incheon Intl-MCI Kansas City

23h 07m2 stops San Francisco Denver Intl

$1,461Asiana Airlines

Sat, Mar 13 - Wed, Mar 24

Cheap last minute flights

Enter your travel dates to find the best prices.

6:40 am - 4:25 pmSTL Lambert-St Louis-ICN Incheon Intl

19h 45m1 stop Detroit Metropolitan Wayne County

5:40 pm - 9:59 pmICN Incheon Intl-STL Lambert-St Louis

19h 19m1 stop Atlanta Hartsfield-Jackson

$1,096Delta

Mon, Oct 5 - Wed, Nov 4

6:15 am - 5:20 pmSTL Lambert-St Louis-ICN Incheon Intl

21h 05m1 stop Minneapolis St Paul

5:40 pm - 9:59 pmICN Incheon Intl-STL Lambert-St Louis

19h 19m1 stop Atlanta Hartsfield-Jackson

$1,096Delta

Mon, Oct 5 - Wed, Nov 4

7:08 am - 3:00 pmSTL Lambert-St Louis-ICN Incheon Intl

17h 52m1 stop San Francisco

12:45 pm - 6:38 pmICN Incheon Intl-STL Lambert-St Louis

20h 53m2 stops San Francisco Houston George Bush Intcntl

$1,100United Airlines

Mon, Oct 5 - Wed, Nov 4

1:29 pm - 4:20 amSTL Lambert-St Louis-ICN Incheon Intl

24h 51m2 stops Chicago O'Hare Intl San Francisco

12:45 pm - 4:59 pmICN Incheon Intl-STL Lambert-St Louis

19h 14m2 stops San Francisco Chicago O'Hare Intl

$1,100United Airlines

Mon, Oct 5 - Wed, Nov 4

7:08 am - 3:00 pmSTL Lambert-St Louis-ICN Incheon Intl

17h 52m1 stop San Francisco

6:00 pm - 10:02 amICN Incheon Intl-STL Lambert-St Louis

31h 02m2 stops San Francisco Houston George Bush Intcntl

$1,150Asiana Airlines

Mon, Oct 5 - Wed, Nov 4

6:30 am - 12:25 amSTL Lambert-St Louis-ICN Incheon Intl

27h 55m2 stops Los Angeles Hong Kong Intl

8:00 am - 9:59 pmICN Incheon Intl-STL Lambert-St Louis

27h 59m2 stops Hong Kong Intl Dallas/Fort Worth

$1,191Multiple Airlines

Fri, Oct 2 - Fri, Oct 9

7:26 am - 6:00 amMCI Kansas City-ICN Incheon Intl

32h 34m2 stops Los Angeles Manila Ninoy Aquino Intl

8:30 pm - 11:25 pmICN Incheon Intl-MCI Kansas City

40h 55m2 stops Manila Ninoy Aquino Intl Los Angeles

$1,309Multiple Airlines

Thu, Oct 1 - Sat, Oct 3

2:40 pm - 4:05 pmSTL Lambert-St Louis-ICN Incheon Intl

35h 25m2 stops Toronto Pearson Intl Vancouver Intl

6:55 pm - 3:26 pmICN Incheon Intl-STL Lambert-St Louis

35h 31m2 stops Vancouver Intl Toronto Pearson Intl

$1,341Air Canada

Mon, Oct 5 - Wed, Nov 4

12:10 pm - 4:05 pmSTL Lambert-St Louis-ICN Incheon Intl

37h 55m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

6:00 pm - 6:41 pmICN Incheon Intl-STL Lambert-St Louis

38h 41m1 stop Montreal Pierre Elliott Trudeau Intl

$1,367Air Canada

Fri, Oct 2 - Fri, Oct 9

6:40 am - 4:25 pmSTL Lambert-St Louis-ICN Incheon Intl

19h 45m1 stop Detroit Metropolitan Wayne County

8:35 pm - 9:25 pmICN Incheon Intl-STL Lambert-St Louis

15h 50m1 stop Minneapolis St Paul

$1,379Korean Air

Mon, Oct 5 - Wed, Nov 4

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Delta flights from Missouri to Incheon Intl Airport

Our best Delta deals on Missouri to Incheon Intl Airport flight tickets

Delta

Nov 10

STL7:18 pmLambert-St Louis

19h 27m

1 stop

ICN5:45 amIncheon Intl

Dec 8

ICN5:40 pmIncheon Intl

18h 58m

1 stop

STL9:38 pmLambert-St Louis

$1,096

Delta

Nov 24

STL2:31 pmLambert-St Louis

24h 14m

1 stop

ICN5:45 amIncheon Intl

Dec 4

ICN9:35 amIncheon Intl

25h 57m

1 stop

STL8:32 pmLambert-St Louis

$1,146

Delta

Oct 22

STL6:47 amLambert-St Louis

19h 38m

1 stop

ICN4:25 pmIncheon Intl

Oct 25

ICN5:40 pmIncheon Intl

20h 14m

1 stop

STL11:54 pmLambert-St Louis

$1,196

Air Canada flights from Missouri to Incheon Intl Airport

Our best Air Canada deals on Missouri to Incheon Intl Airport flight tickets

Air Canada

Oct 24

STL12:10 pmLambert-St Louis

38h 00m

2 stops

ICN4:10 pmIncheon Intl

Oct 27

ICN5:55 pmIncheon Intl

35h 28m

2 stops

STL3:23 pmLambert-St Louis

$1,202

Air Canada

Dec 1

STL4:05 pmLambert-St Louis

34h 05m

2 stops

ICN5:10 pmIncheon Intl

Dec 7

ICN6:55 pmIncheon Intl

35h 31m

2 stops

STL3:26 pmLambert-St Louis

$1,207

Air Canada

Nov 1

STL4:05 pmLambert-St Louis

34h 05m

2 stops

ICN5:10 pmIncheon Intl

Nov 7

ICN8:10 pmIncheon Intl

34h 16m

1 stop

STL3:26 pmLambert-St Louis

$1,267

momondo Fare Finder

Use the filters below to find and compare flights from Missouri to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Sat 10/31

7:59 pm-9:20 pm

2 stops35h 21m

Incheon Intl

Sat 11/7

7:45 pm-11:19 am

2 stops30h 34m

$1,060

SpringfieldIncheon

SGF Springfield-Branson - ICN Incheon Intl

SGFICN

Springfield-Branson

Mon 10/26

10:32 am-12:45 pm

2 stops36h 13m

Incheon Intl

Wed 11/18

7:35 pm-10:41 pm

2 stops42h 06m

$1,091

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 10/27

7:20 pm-4:45 am

1 stop19h 25m

Incheon Intl

Tue 11/3

9:35 am-3:37 pm

1 stop21h 02m

$1,096

Quickest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 11/11

6:40 am-4:50 pm

1 stop19h 10m

Incheon Intl

Thu 12/10

7:25 pm-12:05 am

1 stop19h 40m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 11/9

6:00 am-4:25 pm

1 stop19h 25m

Incheon Intl

Tue 12/8

12:45 pm-6:11 pm

1 stop20h 26m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 10/27

5:00 am-4:15 pm

2 stops21h 15m

Incheon Intl

Tue 11/3

6:30 pm-9:52 pm

1 stop18h 22m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Fri 1/22

4:05 pm-5:10 pm

2 stops34h 05m

Incheon Intl

Fri 2/5

6:55 pm-3:26 pm

2 stops35h 31m

$1,177

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Fri 1/22

4:05 pm-5:10 pm

2 stops34h 05m

Incheon Intl

Fri 2/5

8:10 pm-3:26 pm

1 stop34h 16m

$1,177

SpringfieldIncheon

SGF Springfield-Branson - ICN Incheon Intl

SGFICN

Springfield-Branson

Mon 10/26

8:26 am-4:45 pm

1 stop18h 19m

Incheon Intl

Wed 11/18

6:50 pm-8:42 am

1 stop28h 52m

$1,202

Kansas CityIncheon

MCI Kansas City - ICN Incheon Intl

MCIICN

Kansas City

Sat 3/13

4:30 pm-5:40 am

2 stops22h 10m

Incheon Intl

Wed 3/24

11:45 am-8:52 pm

2 stops23h 07m

$1,461

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Incheon Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Missouri is in February. Flight prices, which tend to average around $868, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of February, then departing from Missouri during the month October is also very affordable. Most momondo users find prices during this month for around $1,207.

Can stopping save me money on Missouri to Incheon Intl Airport flights?

You could potentially save up to 27% on your flight if you consider stops on a Missouri to Incheon Intl Airport flight.

Cheap Missouri to Incheon Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Incheon Intl Airport

Best Price Found	$542
Fastest flight time	19h 20m
Direct flights	None

The best one-way flight to Incheon Intl Airport from Missouri in the past 72 hours is $542. The best round-trip flight deal from Missouri to Incheon Intl Airport found on momondo in the last 72 hours is $1,060.

The fastest flight from Missouri to Incheon Intl Airport takes 19h 20m

There are no direct flights from Missouri to Incheon Intl Airport. There are no popular flight routes from Missouri to Incheon Intl Airport.

Search flight deals

Frequently asked questions about flying from Missouri to Incheon Intl Airport

When did momondo last update prices for flights from Missouri to Incheon Intl Airport?
Prices for flights from Missouri to Incheon Intl Airport were last updated today.
How many operators does momondo search for flights from Missouri to Incheon Intl Airport?
As of September 2026, there are 6 operators available to choose from for flights from Missouri to Incheon Intl Airport.
How old do you have to be to fly from Missouri to Incheon Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Incheon Intl Airport.
What documentation or ID do you need to fly to Incheon Intl Airport?
The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Incheon Intl Airport

Compare and see reviews for airlines that fly from Missouri to Incheon Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $769	Free Cancellation	Rating 7.8 8,611 reviews	Search Delta flights
American Airlines	PriceFrom $846	Free Cancellation	Rating 7.0 12,097 reviews	Search American Airlines flights
United Airlines	PriceFrom $865	Free Cancellation	Rating 7.4 10,270 reviews	Search United Airlines flights
Korean Air	PriceFrom $999	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
Air Canada	PriceFrom $1,083	Free Cancellation	Rating 7.1 11,707 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $1,204	Free Cancellation	Rating 8.1 563 reviews	Search Asiana Airlines flights

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Anyang

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Yes. momondo allows you to filter the results for Missouri to Seoul flights to just show those with flexible booking policies.

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Cheap flights from Missouri to Seoul from $542

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Seoul departing on 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Missouri to Incheon Intl Airport

Our best Delta deals on Missouri to Incheon Intl Airport flight tickets

Air Canada flights from Missouri to Incheon Intl Airport

Our best Air Canada deals on Missouri to Incheon Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Missouri to Incheon Intl Airport that are best for you.

See travel insights to Seoul from

How to get the cheapest flight ticket from Missouri to Incheon Intl Airport

What is the cheapest month to fly to Incheon Intl Airport?

Can stopping save me money on Missouri to Incheon Intl Airport flights?

What is the cheapest airline that flies from Missouri to Incheon Intl?

What airlines fly to Incheon Intl Airport?

How long does it take to fly to Incheon Intl Airport?

Cheap Missouri to Incheon Intl Airport flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Missouri to Incheon Intl Airport

Best airlines flying from Missouri to Incheon Intl Airport

Compare and see reviews for airlines that fly from Missouri to Incheon Intl Airport with momondo

Traveling to a place near Seoul?

Why use momondo?

An easier way to manage your Incheon Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Seoul

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Missouri flight routes

According to popular flight searches on momondo this year

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List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

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