How does KAYAK find such low prices on flights from Missouri to Incheon?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Incheon.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Incheon?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Incheon from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Missouri to Incheon?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Incheon with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Incheon?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Incheon from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$542 CHEAP FLIGHTS from Missouri to Incheon (ICN)

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Flight Deals

Cheap Flights from Missouri to Incheon

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Missouri to Incheon

Sat, Oct 31 - Sat, Nov 7

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

Wed, Mar 24 - Thu, Apr 1

7:00 am - 12:40 amSTL Lambert-St Louis-ICN Incheon Intl

27h 40m2 stops Seattle/Tacoma Intl Hong Kong Intl

8:00 am - 11:44 pmICN Incheon Intl-STL Lambert-St Louis

29h 44m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,091Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

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

Mon, Oct 26 - Wed, Nov 25

6:47 am - 4:50 pmSTL Lambert-St Louis-ICN Incheon Intl

20h 03m1 stop Detroit Metropolitan Wayne County

9:35 am - 8:29 pmICN Incheon Intl-STL Lambert-St Louis

25h 54m1 stop Detroit Metropolitan Wayne County

$1,096Delta

Tue, Oct 27 - Tue, Nov 3

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

Thu, Nov 12 - Thu, Nov 19

10:53 am - 5:40 amSTL Lambert-St Louis-ICN Incheon Intl

27h 47m2 stops Chicago O'Hare Intl San Francisco

12:45 pm - 9:52 pmICN Incheon Intl-STL Lambert-St Louis

24h 07m2 stops San Francisco Newark

$1,100United Airlines

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

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

Sat, Mar 13 - Wed, Mar 24

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

Thu, Dec 24 - Sun, Dec 27

7:00 am - 5:40 amMCI Kansas City-ICN Incheon Intl

31h 40m1 stop San Francisco

6:00 pm - 5:30 amICN Incheon Intl-MCI Kansas City

26h 30m1 stop San Francisco

$1,629Asiana Airlines

Recent last minute flight deals from Missouri to Incheon

Mon, Oct 5 - Wed, Nov 4

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

Wed, Oct 7 - Wed, Oct 14

9:47 am - 5:20 pmSTL Lambert-St Louis-ICN Incheon Intl

17h 33m1 stop Minneapolis St Paul

10:15 am - 5:19 pmICN Incheon Intl-STL Lambert-St Louis

21h 04m1 stop Detroit Metropolitan Wayne County

$1,096Delta

Wed, Oct 7 - Wed, Oct 14

5:10 am - 3:00 pmSTL Lambert-St Louis-ICN Incheon Intl

19h 50m2 stops Denver Intl San Francisco

11:30 am - 6:43 pmICN Incheon Intl-STL Lambert-St Louis

21h 13m1 stop San Francisco

$1,096United Airlines

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

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

Fri, Oct 2 - Fri, Oct 9

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

Wed, Oct 7 - Thu, Oct 22

4:03 pm - 7:15 pmMCI Kansas City-ICN Incheon Intl

37h 12m2 stops Los Angeles Manila Ninoy Aquino Intl

8:30 pm - 11:46 pmICN Incheon Intl-MCI Kansas City

41h 16m2 stops Manila Ninoy Aquino Intl Los Angeles

$1,315Multiple Airlines

Mon, Oct 5 - Wed, Nov 4

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

Fri, Oct 2 - Fri, Oct 9

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

Mon, Oct 5 - Wed, Nov 4

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

Useful Info

Low season	January
High season	April
Cheapest flight	$542

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly and prices are also 11% lower on average.

Flight from St. Louis to Incheon

How does KAYAK find such low prices on flights from Missouri to Incheon?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Incheon.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Incheon?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Incheon from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Missouri to Incheon?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Incheon with an airline and back to Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Incheon?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Incheon from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.