Trip.com
>
Flights
>
Flights to United States
>
Flights to Missouri
>
Flights to St. Louis
>
Seoul to St. Louis flight
>
Incheon Intl. Airport to St. Louis Lambert International Airport flight

Explore the cheapest one-way and round-trip flights from Incheon Intl. Airport to St. Louis Lambert International Airport over the next 90 days, with one-way fares from THB 16,510 and round-trip from THB 34,440. Based on Trip.com's latest 7-day flight data.

    • ICN 12:45 PM
      20h 20m
      1 stop
      STL 6:05 PM
      Seoul - St. Louis | Fri, Nov 13 | United Airlines
      STL 7:05 PM
      30h 10m
      1 stop
      ICN 4:15 PM
      St. Louis - Seoul | Wed, Nov 18 | United Airlines
      THB 34,440 THB 45,470
      24% off
      24% off
      THB 45,470 THB 34,440
    • ICN 8:10 PM
      34h 16m
      1 stop
      STL 3:26 PM
      Seoul - St. Louis | Fri, Dec 25 | Air Canada
      STL 4:05 PM
      35h 20m
      1 stop
      ICN 6:25 PM
      St. Louis - Seoul | Fri, Jan 1 | Air Canada
      THB 37,770 THB 45,470
      17% off
      17% off
      THB 45,470 THB 37,770
    • ICN 6:50 PM
      16h 30m
      1 stop
      STL 8:20 PM
      Seoul - St. Louis | Sun, Nov 22 | American Airlines
      STL 6:00 AM
      19h 45m
      1 stop
      ICN 4:45 PM
      St. Louis - Seoul | Fri, Nov 27 | American Airlines
      THB 38,090 THB 45,470
      16% off
      16% off
      THB 45,470 THB 38,090
    • ICN 6:50 PM
      29h 41m
      1 stop
      STL 9:31 AM
      Seoul - St. Louis | Thu, Nov 26 | American Airlines
      STL 5:00 AM
      20h 45m
      1 stop
      ICN 4:45 PM
      St. Louis - Seoul | Tue, Dec 1 | American Airlines
      THB 38,260
      16% off
      THB 45,470 THB 38,260
    • ICN 8:35 PM
      17h 48m
      1 stop
      STL 11:23 PM
      Seoul - St. Louis | Fri, Nov 13 | Delta Air Lines
      STL 11:20 AM
      37h 30m
      1 stop
      ICN 3:50 PM
      St. Louis - Seoul | Wed, Nov 18 | Delta Air Lines
      THB 38,290
      16% off
      THB 45,470 THB 38,290
    • ICN 6:35 PM
      18h 54m
      1 stop
      STL 10:29 PM
      Seoul - St. Louis | Mon, Nov 23 | American Airlines
      STL 5:17 AM
      20h 8m
      1 stop
      ICN 4:25 PM
      St. Louis - Seoul | Mon, Nov 30 | American Airlines
      THB 39,350
      13% off
      THB 45,470 THB 39,350
    • ICN 8:35 PM
      18h 1m
      1 stop
      STL 11:36 PM
      Seoul - St. Louis | Fri, Dec 25 | Delta Air Lines
      STL 6:45 PM
      30h 5m
      1 stop
      ICN 3:50 PM
      St. Louis - Seoul | Fri, Jan 1 | Delta Air Lines
      THB 40,040
      12% off
      THB 45,470 THB 40,040
    • ICN 9:00 PM
      32h 26m
      1 stop
      STL 2:26 PM
      Seoul - St. Louis | Fri, Nov 27 | Asiana Airlines
      STL 6:41 AM
      31h 39m
      1 stop
      ICN 5:20 AM
      St. Louis - Seoul | Tue, Dec 1 | Alaska Airlines
      THB 40,460
      11% off
      THB 45,470 THB 40,460
    • ICN 6:40 PM
      33h 52m
      1 stop
      STL 1:32 PM
      Seoul - St. Louis | Thu, Nov 5 | Delta Air Lines
      STL 6:21 AM
      18h 29m
      1 stop
      ICN 3:50 PM
      St. Louis - Seoul | Sun, Nov 8 | Delta Air Lines
      THB 40,480
      11% off
      THB 45,470 THB 40,480
    • SEL 1:00 PM
      17h 25m
      1 stop
      STL 2:00 PM
      Seoul - St. Louis | Mon, Nov 2 | Normal Airline
      STL 3:00 PM
      6h
      Nonstop
      SEL 4:00 PM
      St. Louis - Seoul | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      ICN 9:55 PM
      37h 35m
      1 stop
      STL 8:30 PM
      Seoul - St. Louis | Sun, Nov 15 | Air Premia
      THB 16,510 THB 27,940
      41% off
      41% off
      THB 27,940 THB 16,510
    • ICN 9:55 PM
      37h 19m
      1 stop
      STL 8:14 PM
      Seoul - St. Louis | Mon, Nov 9 | Air Premia
      THB 17,750 THB 27,940
      36% off
      36% off
      THB 27,940 THB 17,750
    • ICN 9:55 PM
      36h 15m
      1 stop
      STL 7:10 PM
      Seoul - St. Louis | Sat, Nov 7 | Air Premia
      THB 18,030 THB 27,940
      35% off
      35% off
      THB 27,940 THB 18,030
    • ICN 9:55 PM
      37h 35m
      1 stop
      STL 8:30 PM
      Seoul - St. Louis | Thu, Nov 26 | Air Premia
      THB 18,210
      35% off
      THB 27,940 THB 18,210
    • ICN 9:55 PM
      32h
      1 stop
      STL 2:55 PM
      Seoul - St. Louis | Sat, Nov 21 | Air Premia
      THB 18,280
      35% off
      THB 27,940 THB 18,280
    • ICN 9:55 PM
      26h 15m
      1 stop
      STL 9:10 AM
      Seoul - St. Louis | Sun, Nov 8 | Air Premia
      THB 18,710
      33% off
      THB 27,940 THB 18,710
    • ICN 1:20 PM
      37h 30m
      1 stop
      STL 11:50 AM
      Seoul - St. Louis | Sun, Dec 13 | Air Premia
      THB 20,180
      28% off
      THB 27,940 THB 20,180
    • ICN 12:30 PM
      27h
      1 stop
      STL 12:30 AM
      Seoul - St. Louis | Fri, Nov 27 | Asiana Airlines
      THB 23,840
      15% off
      THB 27,940 THB 23,840
    • ICN 9:55 PM
      39h 10m
      1 stop
      STL 10:05 PM
      Seoul - St. Louis | Thu, Nov 19 | Air Premia
      THB 24,400
      13% off
      THB 27,940 THB 24,400
    • SEL 1:00 PM
      17h 25m
      1 stop
      STL 2:00 PM
      Seoul - St. Louis | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • ICN 9:30 PM
      18h
      1 stop
      STL 12:30 AM
      Seoul - St. Louis | Mon, Nov 23 | Asiana Airlines
      THB 24,250 THB 37,150
      35% off
      35% off
      THB 37,150 THB 24,250
    • ICN 12:30 PM
      19h 55m
      1 stop
      STL 5:25 PM
      Seoul - St. Louis | Fri, Dec 4 | Asiana Airlines
      THB 25,140 THB 37,150
      32% off
      32% off
      THB 37,150 THB 25,140
    • ICN 1:20 PM
      19h 5m
      1 stop
      STL 5:25 PM
      Seoul - St. Louis | Fri, Dec 4 | Air Premia
      THB 27,200 THB 37,150
      27% off
      27% off
      THB 37,150 THB 27,200
    • ICN 1:20 PM
      18h
      1 stop
      STL 4:20 PM
      Seoul - St. Louis | Sat, Dec 12 | Air Premia
      THB 28,560
      23% off
      THB 37,150 THB 28,560
    • ICN 1:20 PM
      19h 5m
      1 stop
      STL 5:25 PM
      Seoul - St. Louis | Mon, Nov 16 | Air Premia
      THB 29,070
      22% off
      THB 37,150 THB 29,070
    • ICN 1:20 PM
      19h 5m
      1 stop
      STL 5:25 PM
      Seoul - St. Louis | Thu, Nov 19 | Air Premia
      THB 29,090
      22% off
      THB 37,150 THB 29,090
    • ICN 1:20 PM
      18h 15m
      1 stop
      STL 4:35 PM
      Seoul - St. Louis | Wed, Jan 13 | Air Premia
      THB 30,420
      18% off
      THB 37,150 THB 30,420
    • ICN 6:50 PM
      16h 11m
      1 stop
      STL 8:01 PM
      Seoul - St. Louis | Wed, Jan 13 | American Airlines
      THB 33,430
      10% off
      THB 37,150 THB 33,430
    • SEL 1:00 PM
      17h 25m
      1 stop
      STL 2:00 PM
      Seoul - St. Louis | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • ICN 4:10 PM
      15h 30m
      1 stop
      STL 4:40 PM
      Seoul - St. Louis | Wed, Dec 2 | Korean Air
      THB 37,460 THB 53,520
      30% off
      30% off
      THB 53,520 THB 37,460
    • ICN 4:10 PM
      15h 30m
      1 stop
      STL 4:40 PM
      Seoul - St. Louis | Sat, Dec 12 | Korean Air
      THB 39,780 THB 53,520
      26% off
      26% off
      THB 53,520 THB 39,780
    • ICN 8:35 PM
      15h 50m
      1 stop
      STL 9:25 PM
      Seoul - St. Louis | Tue, Nov 3 | Korean Air
      THB 40,110 THB 53,520
      25% off
      25% off
      THB 53,520 THB 40,110
    • ICN 8:35 PM
      15h 50m
      1 stop
      STL 9:25 PM
      Seoul - St. Louis | Wed, Nov 4 | Korean Air
      THB 40,300
      25% off
      THB 53,520 THB 40,300
    • ICN 6:50 PM
      16h 6m
      1 stop
      STL 7:56 PM
      Seoul - St. Louis | Thu, Dec 17 | American Airlines
      THB 32,940
      38% off
      THB 53,520 THB 32,940
    • ICN 8:35 PM
      16h 6m
      1 stop
      STL 9:41 PM
      Seoul - St. Louis | Fri, Dec 25 | Korean Air
      THB 37,520
      30% off
      THB 53,520 THB 37,520
    • ICN 8:35 PM
      16h 6m
      1 stop
      STL 9:41 PM
      Seoul - St. Louis | Thu, Dec 24 | Korean Air
      THB 37,540
      30% off
      THB 53,520 THB 37,540
    • ICN 9:00 PM
      16h 15m
      1 stop
      STL 10:15 PM
      Seoul - St. Louis | Sun, Nov 1 | Asiana Airlines
      THB 44,910
      16% off
      THB 53,520 THB 44,910
    • ICN 6:50 PM
      16h 27m
      1 stop
      STL 8:17 PM
      Seoul - St. Louis | Mon, Nov 23 | American Airlines
      THB 33,310
      38% off
      THB 53,520 THB 33,310
    • SEL 1:00 PM
      17h 25m
      1 stop
      STL 2:00 PM
      Seoul - St. Louis | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Seoul to St. Louis 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 Incheon Intl. Airport to St. Louis Lambert International Airport

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

Data is based on average one-way flight prices from Incheon Intl. Airport to St. Louis Lambert International 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 Incheon Intl. Airport to St. Louis Lambert International Airport, the best time to buy is in February, with an average price of THB 17,130. You’ll want to avoid July, when the average price can reach as high as THB 43,160.

THB 43,160
THB 30,145
THB 17,130
THB 4,115
    Cheapest
  • THB 33,340
    Oct
  • THB 27,230
    Nov
  • THB 25,330
    Dec
  • THB 42,270
    Jan
  • THB 17,130
    Feb
  • THB 24,680
    Mar
  • THB 41,360
    Apr
  • THB 35,700
    May
  • THB 38,250
    Jun
  • THB 43,160
    Jul
  • THB 42,000
    Aug
  • THB 36,960
    Sep

What’s the cheapest month to fly round-trip from Incheon Intl. Airport to St. Louis Lambert International Airport?

The data is based on the past 12 months and shows the average monthly round-trip fares from Incheon Intl. Airport to St. Louis Lambert International Airport in the Trip.com database.

Based on Trip.com’s data from the past 12 months, October is typically the cheapest month to find flights from Incheon Intl. Airport to St. Louis Lambert International Airport, with an average price of THB 28,200. In contrast, August is usually the most expensive month, with average fares reaching THB 88,830.

THB 88,830
THB 58,515
THB 28,200
0
  • THB 28,200
    Oct
  • THB 34,300
    Nov
  • THB 33,360
    Dec
  • THB 65,050
    Jan
  • THB 31,030
    Feb
  • THB 38,650
    Mar
  • THB 33,930
    Apr
  • THB 38,400
    May
  • THB 57,180
    Jun
  • THB 57,670
    Jul
  • THB 88,830
    Aug
  • THB 55,580
    Sep

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

The data is based on the past 12 months and shows the average ticket prices from Incheon Intl. Airport to St. Louis Lambert International 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 Incheon Intl. Airport to St. Louis Lambert International Airport is Friday, with average fares typically lower than other days. You’ll want to avoid flying on Saturday, as ticket prices are usually the highest that day.

THB 43,390
THB 33,785
THB 24,180
THB 14,575
    Cheapest
  • THB 37,710
    Mon
  • THB 34,610
    Tue
  • THB 36,550
    Wed
  • THB 38,090
    Thu
  • THB 24,180
    Fri
  • THB 43,390
    Sat
  • THB 34,030
    Sun

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

The cheapest airline flying from Incheon Intl. Airport to St. Louis Lambert International Airport is Air Premia (from THB 16,510) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Air Premia
From THB 16,510
Trinity Airways
From THB 18,290
Air China
From THB 19,600
Philippine Airlines
From THB 20,940
Hong Kong Airlines
From THB 21,250
Air Canada
From THB 21,420
Asiana Airlines
From THB 21,720
Alaska Airlines
From THB 22,200
Cathay Pacific
From THB 25,400
China Airlines
From THB 26,640

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. YP101

    Incheon Intl. Airport

    5:50 PM

    ICN

    10h 55m

    Nonstop

    12:45 PM

    LAX

    S M T W T F S
    Search

  2. AA6502

    Los Angeles Intl. Airport

    3:16 PM

    LAX

    3h 40m

    Nonstop

    8:56 PM

    STL

    S M T W T - S

  3. TW531

    Incheon Intl. Airport

    8:40 PM

    ICN

    10h 15m

    Nonstop

    2:55 PM

    YVR

    - M - W - F S
    Search

  4. WS124

    Vancouver Intl. Airport

    5:40 PM

    YVR

    1h 30m

    Nonstop

    8:10 PM

    YYC

    S M T W T F S

  5. WS1992

    Calgary Intl. Airport

    1:25 AM

    YYC

    4h 20m

    Nonstop

    6:45 AM

    ATL

    S M T W T F S

  6. WS7777

    Hartsfield–Jackson Atlanta International Airport

    8:25 AM

    ATL

    1h 44m

    Nonstop

    9:09 AM

    STL

    S M T W T F S

  7. YP131

    Incheon Intl. Airport

    9:40 PM

    ICN

    13h 35m

    Nonstop

    10:15 PM

    EWR

    S M T W T F S
    Search

  8. F94601

    Newark Liberty Intl. Airport Airport

    11:35 AM

    EWR

    2h 40m

    Nonstop

    2:15 PM

    ATL

    S M T W T F S

  9. F94473

    Hartsfield–Jackson Atlanta International Airport

    4:47 PM

    ATL

    1h 53m

    Nonstop

    5:40 PM

    STL

    S - T - T - -

  10. MU2044

    Incheon Intl. Airport

    8:30 AM

    ICN

    1h 45m

    Nonstop

    9:15 AM

    TAO

    S M T W T F S
    Search

  11. MU5564

    Qingdao Jiaodong International Airport

    12:50 PM

    TAO

    1h 50m

    Nonstop

    2:40 PM

    PVG

    S M T W T F S

  12. AA128

    Pudong Intl. Airport

    5:20 PM

    PVG

    13h 40m

    Nonstop

    6:00 PM

    DFW

    S M T W T F S

  13. AA1010

    Dallas Fort Worth International Airport

    8:13 PM

    DFW

    1h 46m

    Nonstop

    9:59 PM

    STL

    S M T W T - S

  14. YP111

    Incheon Intl. Airport

    7:15 PM

    ICN

    11h

    Nonstop

    2:15 PM

    SFO

    - - T - T F S
    Search

  15. F91448

    San Francisco Intl. Airport

    12:20 AM

    SFO

    5h 6m

    Nonstop

    8:26 AM

    ATL

    S M T W T F S

  16. F94473

    Hartsfield–Jackson Atlanta International Airport

    4:47 PM

    ATL

    1h 53m

    Nonstop

    5:40 PM

    STL

    S - T - T - -

  17. YP111

    Incheon Intl. Airport

    7:15 PM

    ICN

    11h

    Nonstop

    2:15 PM

    SFO

    - - T - T F S
    Search

  18. F94402

    San Francisco Intl. Airport

    7:58 PM

    SFO

    1h 38m

    Nonstop

    9:36 PM

    LAS

    - M T - - - -

  19. F93108

    Harry Reid Intl. Airport

    7:15 AM

    LAS

    3h 18m

    Nonstop

    12:33 PM

    STL

    S - - W T - S

  20. YP131

    Incheon Intl. Airport

    9:40 PM

    ICN

    13h 35m

    Nonstop

    10:15 PM

    EWR

    S M T W T F S
    Search

  21. DL4926

    LaGuardia Airport

    6:55 PM

    LGA

    2h 56m

    Nonstop

    8:51 PM

    STL

    S M T W T - S

  22. HX629

    Incheon Intl. Airport

    2:45 PM

    ICN

    4h 5m

    Nonstop

    5:50 PM

    HKG

    S M T W T F S
    Search

  23. HX080

    Hong Kong Intl. Airport

    10:55 PM

    HKG

    12h 20m

    Nonstop

    8:15 PM

    YVR

    S M T W T F S

  24. AC100

    Vancouver Intl. Airport

    5:30 AM

    YVR

    4h 35m

    Nonstop

    1:05 PM

    YYZ

    S M T W T F S

  25. AC8889

    Toronto Pearson International Airport

    12:00 PM

    YYZ

    2h 5m

    Nonstop

    1:05 PM

    STL

    S M T W T F S

  26. CA132

    Incheon Intl. Airport

    3:30 PM

    ICN

    2h 10m

    Nonstop

    4:40 PM

    PKX

    S M T W T F S
    Search

  27. CA991

    Beijing Capital Intl. Airport

    1:55 PM

    PEK

    11h 5m

    Nonstop

    10:00 AM

    YVR

    S - T W T - S

  28. AS1603

    Vancouver Intl. Airport

    2:35 PM

    YVR

    1h 5m

    Nonstop

    2:40 PM

    SEA

    S M T W T - S

  29. AS647

    Seattle Tacoma Intl. Airport

    6:07 PM

    SEA

    3h 52m

    Nonstop

    11:59 PM

    STL

    S - - W T F S

  30. OZ222

    Incheon Intl. Airport

    8:25 AM

    ICN

    14h 35m

    Nonstop

    10:00 AM

    JFK

    S M T - T F S
    Search

  31. F94601

    Newark Liberty Intl. Airport Airport

    11:35 AM

    EWR

    2h 40m

    Nonstop

    2:15 PM

    ATL

    S M T W T F S

  32. F94473

    Hartsfield–Jackson Atlanta International Airport

    4:47 PM

    ATL

    1h 53m

    Nonstop

    5:40 PM

    STL

    S - T - T - -
Find more flights and airlines

About Incheon Intl. Airport and St. Louis Lambert International Airport

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

Flight distance 10,755.04 km
Cheapest one-way ticket price THB 16,510
Cheapest return ticket price THB 34,440

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

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20 km. It takes about 40 minutes by taxi.
  • One-way flights from Incheon Intl. Airport to St. Louis Lambert International Airport currently start from THB 16,510, and round-trip fares start from THB 34,440. The current lowest fare is a Air Premia 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 Incheon Intl. Airport to St. Louis Lambert International Airport is THB 37,480. Prices may vary depending on the departure date, airline, and availability.
  • Enter Incheon Intl. Airport and St. Louis Lambert International 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.