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St. Louis Lambert International Airport to Incheon Intl. Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to Incheon Intl. Airport over the next 90 days, with one-way fares from $527 and round-trip from $1,080. Based on Trip.com's latest 7-day flight data.

    • STL 6:00 AM
      21h 20m
      1 stop
      ICN 6:20 PM
      St. Louis - Seoul | Sat, Nov 28 | Korean Air
      ICN 10:35 AM
      17h 53m
      1 stop
      STL 1:28 PM
      Seoul - St. Louis | Sat, Dec 5 | Korean Air
      $1,080 $1,416
      24% off
      24% off
      $1,416 $1,080
    • STL 8:00 AM
      30h 40m
      1 stop
      ICN 5:40 AM
      St. Louis - Seoul | Sat, Nov 28 | United Airlines
      ICN 12:45 PM
      20h 26m
      1 stop
      STL 6:11 PM
      Seoul - St. Louis | Sat, Dec 5 | United Airlines
      $1,087 $1,416
      23% off
      23% off
      $1,416 $1,087
    • STL 6:00 AM
      19h 45m
      1 stop
      ICN 4:45 PM
      St. Louis - Seoul | Sat, Nov 28 | American Airlines
      ICN 6:50 PM
      29h 45m
      1 stop
      STL 9:35 AM
      Seoul - St. Louis | Sat, Dec 5 | American Airlines
      $1,092 $1,416
      23% off
      23% off
      $1,416 $1,092
    • STL 7:00 AM
      20h 20m
      1 stop
      ICN 6:20 PM
      St. Louis - Seoul | Fri, Nov 6 | Korean Air
      ICN 10:35 AM
      26h 7m
      1 stop
      STL 9:42 PM
      Seoul - St. Louis | Fri, Nov 13 | Korean Air
      $1,094
      23% off
      $1,416 $1,094
    • STL 12:00 PM
      26h 45m
      1 stop
      ICN 5:45 AM
      St. Louis - Seoul | Fri, Nov 6 | Delta Air Lines
      ICN 7:25 PM
      19h 31m
      1 stop
      STL 11:56 PM
      Seoul - St. Louis | Fri, Nov 13 | Delta Air Lines
      $1,109
      22% off
      $1,416 $1,109
    • STL 6:40 AM
      19h 10m
      1 stop
      ICN 4:50 PM
      St. Louis - Seoul | Sat, Nov 28 | Delta Air Lines
      ICN 8:35 PM
      17h 51m
      1 stop
      STL 11:26 PM
      Seoul - St. Louis | Sat, Dec 5 | Delta Air Lines
      $1,113
      21% off
      $1,416 $1,113
    • STL 8:00 AM
      30h 40m
      1 stop
      ICN 5:40 AM
      St. Louis - Seoul | Sat, Nov 14 | United Airlines
      ICN 12:45 PM
      20h 20m
      1 stop
      STL 6:05 PM
      Seoul - St. Louis | Sat, Nov 21 | United Airlines
      $1,118
      21% off
      $1,416 $1,118
    • STL 6:00 AM
      19h 25m
      1 stop
      ICN 4:25 PM
      St. Louis - Seoul | Thu, Nov 12 | United Airlines
      ICN 12:45 PM
      20h 20m
      1 stop
      STL 6:05 PM
      Seoul - St. Louis | Thu, Nov 19 | United Airlines
      $1,118
      21% off
      $1,416 $1,118
    • STL 6:00 AM
      19h 25m
      1 stop
      ICN 4:25 PM
      St. Louis - Seoul | Fri, Nov 13 | United Airlines
      ICN 6:30 PM
      36h 47m
      1 stop
      STL 4:17 PM
      Seoul - St. Louis | Fri, Nov 20 | United Airlines
      $1,118
      21% off
      $1,416 $1,118
    • STL 1:00 PM
      17h 25m
      1 stop
      SEL 2:00 PM
      St. Louis - Seoul | Wed, Nov 4 | Normal Airline
      SEL 3:00 PM
      6h
      Nonstop
      STL 4:00 PM
      Seoul - St. Louis | Fri, Nov 6 | Normal Airline
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    • Cheapest
      STL 6:00 AM
      19h 40m
      1 stop
      ICN 4:40 PM
      St. Louis - Seoul | Sun, Nov 15 | Korean Air
      $527 $754
      30% off
      30% off
      $754 $527
    • STL 6:00 AM
      19h 45m
      1 stop
      ICN 4:45 PM
      St. Louis - Seoul | Sun, Nov 15 | American Airlines
      $530 $754
      30% off
      30% off
      $754 $530
    • STL 5:00 AM
      20h 45m
      1 stop
      ICN 4:45 PM
      St. Louis - Seoul | Fri, Nov 13 | American Airlines
      $531 $754
      30% off
      30% off
      $754 $531
    • STL 6:00 AM
      19h 45m
      1 stop
      ICN 4:45 PM
      St. Louis - Seoul | Wed, Nov 25 | American Airlines
      $532
      28% off
      $754 $532
    • STL 7:24 AM
      18h 21m
      1 stop
      ICN 4:45 PM
      St. Louis - Seoul | Sat, Nov 7 | American Airlines
      $541
      28% off
      $754 $541
    • STL 6:00 AM
      18h 30m
      1 stop
      ICN 3:30 PM
      St. Louis - Seoul | Sun, Nov 15 | Delta Air Lines
      $541
      28% off
      $754 $541
    • STL 5:00 AM
      20h 45m
      1 stop
      ICN 4:45 PM
      St. Louis - Seoul | Tue, Nov 24 | American Airlines
      $542
      28% off
      $754 $542
    • STL 12:29 PM
      26h 16m
      1 stop
      ICN 5:45 AM
      St. Louis - Seoul | Thu, Nov 26 | Delta Air Lines
      $591
      22% off
      $754 $591
    • STL 9:59 AM
      39h 26m
      1 stop
      ICN 4:25 PM
      St. Louis - Seoul | Sun, Nov 15 | United Airlines
      $591
      22% off
      $754 $591
    • STL 1:00 PM
      17h 25m
      1 stop
      SEL 2:00 PM
      St. Louis - Seoul | Wed, Nov 4 | Normal Airline
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    • STL 5:00 AM
      20h 45m
      1 stop
      ICN 4:45 PM
      St. Louis - Seoul | Tue, Nov 24 | American Airlines
      $542 $1,106
      51% off
      51% off
      $1,106 $542
    • STL 6:06 AM
      19h 19m
      1 stop
      ICN 4:25 PM
      St. Louis - Seoul | Mon, Jan 25 | United Airlines
      $581 $1,106
      47% off
      47% off
      $1,106 $581
    • STL 6:05 AM
      19h 20m
      1 stop
      ICN 4:25 PM
      St. Louis - Seoul | Wed, Jan 13 | United Airlines
      $586 $1,106
      47% off
      47% off
      $1,106 $586
    • STL 6:40 AM
      19h 10m
      1 stop
      ICN 4:50 PM
      St. Louis - Seoul | Thu, Nov 26 | Delta Air Lines
      $591
      47% off
      $1,106 $591
    • STL 6:10 AM
      18h 40m
      1 stop
      ICN 3:50 PM
      St. Louis - Seoul | Mon, Jan 25 | Delta Air Lines
      $594
      46% off
      $1,106 $594
    • STL 6:00 AM
      19h 25m
      1 stop
      ICN 4:25 PM
      St. Louis - Seoul | Wed, Nov 18 | United Airlines
      $595
      46% off
      $1,106 $595
    • STL 6:45 AM
      19h 5m
      1 stop
      ICN 4:50 PM
      St. Louis - Seoul | Wed, Jan 13 | Delta Air Lines
      $597
      46% off
      $1,106 $597
    • STL 6:40 AM
      19h 10m
      1 stop
      ICN 4:50 PM
      St. Louis - Seoul | Wed, Nov 18 | Delta Air Lines
      $603
      45% off
      $1,106 $603
    • STL 6:00 AM
      19h 40m
      1 stop
      ICN 4:40 PM
      St. Louis - Seoul | Wed, Jan 6 | Korean Air
      $777
      30% off
      $1,106 $777
    • STL 1:00 PM
      17h 25m
      1 stop
      SEL 2:00 PM
      St. Louis - Seoul | Wed, Nov 4 | Normal Airline
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    • STL 8:05 AM
      18h 10m
      1 stop
      ICN 5:15 PM
      St. Louis - Seoul | Fri, Jan 1 | United Airlines
      $958 $2,298
      57% off
      57% off
      $2,298 $958
    • STL 8:05 AM
      18h 10m
      1 stop
      ICN 5:15 PM
      St. Louis - Seoul | Sat, Dec 26 | United Airlines
      $1,362 $2,298
      41% off
      41% off
      $2,298 $1,362
    • STL 8:05 AM
      18h 10m
      1 stop
      ICN 5:15 PM
      St. Louis - Seoul | Thu, Dec 17 | United Airlines
      $1,815 $2,298
      21% off
      21% off
      $2,298 $1,815
    • STL 7:08 AM
      18h 12m
      1 stop
      ICN 4:20 PM
      St. Louis - Seoul | Sat, Nov 14 | Delta Air Lines
      $660
      71% off
      $2,298 $660
    • STL 7:08 AM
      18h 12m
      1 stop
      ICN 4:20 PM
      St. Louis - Seoul | Wed, Nov 18 | Delta Air Lines
      $688
      70% off
      $2,298 $688
    • STL 7:08 AM
      18h 12m
      1 stop
      ICN 4:20 PM
      St. Louis - Seoul | Mon, Nov 30 | Delta Air Lines
      $829
      64% off
      $2,298 $829
    • STL 6:30 AM
      18h 20m
      1 stop
      ICN 3:50 PM
      St. Louis - Seoul | Tue, Dec 29 | Delta Air Lines
      $822
      64% off
      $2,298 $822
    • STL 6:30 AM
      18h 20m
      1 stop
      ICN 3:50 PM
      St. Louis - Seoul | Wed, Jan 6 | Delta Air Lines
      $834
      64% off
      $2,298 $834
    • STL 6:30 AM
      18h 20m
      1 stop
      ICN 3:50 PM
      St. Louis - Seoul | Tue, Jan 5 | Delta Air Lines
      $836
      64% off
      $2,298 $836
    • STL 1:00 PM
      17h 25m
      1 stop
      SEL 2:00 PM
      St. Louis - Seoul | Wed, Nov 4 | Normal Airline
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Displayed flight fares from St. Louis to Seoul are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from St. Louis Lambert International Airport to Incheon Intl. Airport

What is the cheapest month for one-way flights from St. Louis Lambert International Airport to Incheon Intl. Airport?

Data is based on average one-way flight prices from St. Louis Lambert International Airport to Incheon Intl. Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from St. Louis Lambert International Airport to Incheon Intl. Airport, the best time to buy is in February, with an average price of $444. You’ll want to avoid December, when the average price can reach as high as $872.

$872
$658
$444
$230
    Cheapest
  • $622
    Jun
  • $626
    Jul
  • $683
    Aug
  • $509
    Sep
  • $533
    Oct
  • $858
    Nov
  • $872
    Dec
  • $515
    Jan
  • $444
    Feb
  • $696
    Mar
  • $810
    Apr
  • $818
    May

What is the cheapest day of the week to fly from St. Louis Lambert International Airport to Incheon Intl. Airport?

The data is based on the past 12 months and shows the average ticket prices from St. Louis Lambert International Airport to Incheon Intl. Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from St. Louis Lambert International Airport to Incheon Intl. Airport is Monday, with average fares typically lower than other days. You’ll want to avoid flying on Friday, as ticket prices are usually the highest that day.

$990
$812
$633
$455
  • $633
    Mon
  • $695
    Tue
  • $636
    Wed
  • $717
    Thu
  • $990
    Fri
  • $739
    Sat
  • $710
    Sun

Which airline offers the cheapest flights from St. Louis Lambert International Airport to Incheon Intl. Airport?

The cheapest airline flying from St. Louis Lambert International Airport to Incheon Intl. Airport is Frontier Airlines (from $504) among 9 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From $504
Delta Air Lines
From $504
American Airlines
From $530
Korean Air
From $535
Air Canada
From $559
United Airlines
From $590
WestJet
From $602
Cathay Pacific
From $622
Alaska Airlines
From $637

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What is the flight schedule from St. Louis Lambert International Airport to Incheon Intl. Airport?

Check the schedule for flights from St. Louis to Seoul and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2103

    St. Louis Lambert International Airport

    8:29 AM

    STL

    2h 9m

    Nonstop

    10:38 AM

    DFW

    S M T W T F S
    Search

  2. AA281

    Dallas Fort Worth International Airport

    10:40 AM

    DFW

    15h 5m

    Nonstop

    4:45 PM

    ICN

    S M T W T F S

  3. DL1524

    St. Louis Lambert International Airport

    6:00 AM

    STL

    1h 40m

    Nonstop

    8:40 AM

    ATL

    S M T W T F S
    Search

  4. DL189

    Hartsfield–Jackson Atlanta International Airport

    9:45 AM

    ATL

    14h 25m

    Nonstop

    2:10 PM

    ICN

    S M T W T F S

  5. UA1344

    St. Louis Lambert International Airport

    6:09 AM

    STL

    2h 20m

    Nonstop

    9:29 AM

    EWR

    S M T W T F S
    Search

  6. UA285

    Newark Liberty Intl. Airport Airport

    10:35 AM

    EWR

    14h 45m

    Nonstop

    3:20 PM

    ICN

    S M T W T F S

  7. DL1393

    St. Louis Lambert International Airport

    7:05 PM

    STL

    1h 42m

    Nonstop

    9:47 PM

    ATL

    S - - - - - S
    Search

  8. DL027

    Hartsfield–Jackson Atlanta International Airport

    11:50 PM

    ATL

    14h 10m

    Nonstop

    4:00 AM

    ICN

    S M T W T F S

  9. KE3735

    St. Louis Lambert International Airport

    6:00 AM

    STL

    1h 40m

    Nonstop

    8:40 AM

    ATL

    S M T W T F S
    Search

  10. KE034

    Hartsfield–Jackson Atlanta International Airport

    10:45 AM

    ATL

    15h 55m

    Nonstop

    4:40 PM

    ICN

    S M T W T F S

  11. AA1410

    St. Louis Lambert International Airport

    5:54 AM

    STL

    2h 8m

    Nonstop

    8:02 AM

    DFW

    S M T W T F S
    Search

  12. AA281

    Dallas Fort Worth International Airport

    10:40 AM

    DFW

    15h 5m

    Nonstop

    4:45 PM

    ICN

    S M T W T F S

  13. KE7036

    St. Louis Lambert International Airport

    7:20 AM

    STL

    1h 39m

    Nonstop

    9:59 AM

    ATL

    S M T W T F S
    Search

  14. KE036

    Hartsfield–Jackson Atlanta International Airport

    12:25 PM

    ATL

    15h 55m

    Nonstop

    6:20 PM

    ICN

    S M T W T F S

  15. AA2261

    St. Louis Lambert International Airport

    5:00 AM

    STL

    2h 8m

    Nonstop

    7:08 AM

    DFW

    S M T W T F S
    Search

  16. AA281

    Dallas Fort Worth International Airport

    10:40 AM

    DFW

    15h 5m

    Nonstop

    4:45 PM

    ICN

    S M T W T F S

  17. DL1102

    St. Louis Lambert International Airport

    4:00 PM

    STL

    1h 36m

    Nonstop

    6:36 PM

    ATL

    S M T W T F S
    Search

  18. DL027

    Hartsfield–Jackson Atlanta International Airport

    11:50 PM

    ATL

    14h 10m

    Nonstop

    4:00 AM

    ICN

    S M T W T F S

  19. F94567

    St. Louis Lambert International Airport

    4:21 PM

    STL

    2h 31m

    Nonstop

    5:52 PM

    DEN

    S - T - T F -
    Search

  20. F94339

    Denver International Airport

    10:29 PM

    DEN

    2h 28m

    Nonstop

    11:57 PM

    LAX

    S M T W T F S

  21. YP102

    Los Angeles Intl. Airport

    2:50 PM

    LAX

    13h 25m

    Nonstop

    8:15 PM

    ICN

    S M T W T F S
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About St. Louis Lambert International Airport and Incheon Intl. Airport

Learn about St. Louis Lambert International Airport (STL) and Incheon Intl. Airport (ICN) — including location, terminals, transportation, and travel tips.

Flight distance 10,755.04 km
Cheapest one-way ticket price $527
Cheapest return ticket price $1,080

FAQs for St. Louis Lambert International Airport to Incheon Intl. Airport Flights

  • What is the transportation method from the main airport to downtown in Seoul?

    • The distance from Incheon International Airport to downtown is about 48 km. It takes about 1 hour by taxi.
    • The distance from Gimpo International Airport to downtown is about 15 km. It takes about 30 minutes by taxi.
  • One-way flights from St. Louis Lambert International Airport to Incheon Intl. Airport currently start from $527, and round-trip fares start from $1,080. The current lowest fare is a Korean Air flight departing on Sun, Nov 15; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from St. Louis Lambert International Airport to Incheon Intl. Airport is $756. Prices may vary depending on the departure date, airline, and availability.
  • Enter St. Louis Lambert International Airport and Incheon Intl. Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.