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Cheap flight deals from St. Louis to Seoul Starting at NZD 856

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • STL07:00 am
        18h 15m
        1 stop
        ICN04:15 pm
        Thu, Mar 6|St. Louis - Seoul|United Airlines
        NZD 856NZD 1,227
        30% OFF
        30% OFF
        NZD 1,227NZD 856

        Choose United Airlines flights from St. Louis to Seoul. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Thu, Mar 6, arriving at Incheon International Airport. One-way Prices start from NZD 856 including taxes and charges.

      • STL06:30 am
        19h
        1 stop
        ICN04:30 pm
        Thu, Mar 6|St. Louis - Seoul|Delta Air Lines
        NZD 889NZD 1,227
        28% OFF
        28% OFF
        NZD 1,227NZD 889

        Choose Delta Air Lines flights from St. Louis to Seoul. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Thu, Mar 6, arriving at Incheon International Airport. One-way Prices start from NZD 889 including taxes and charges.

      • STL05:50 pm
        20h 30m
        1 stop
        ICN04:20 am
        Sun, Mar 30|St. Louis - Seoul|United Airlines
        NZD 894NZD 1,227
        27% OFF
        27% OFF
        NZD 1,227NZD 894

        Choose United Airlines flights from St. Louis to Seoul. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Sun, Mar 30, arriving at Incheon International Airport. One-way Prices start from NZD 894 including taxes and charges.

      • STL04:00 pm
        22h
        1 stop
        ICN04:00 am
        Wed, Apr 16|St. Louis - Seoul|Delta Air Lines
        NZD 895
        NZD 895

        Choose Delta Air Lines flights from St. Louis to Seoul. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Wed, Apr 16, arriving at Incheon International Airport. One-way Prices start from NZD 895 including taxes and charges.

      • STL05:54 pm
        20h 26m
        1 stop
        ICN04:20 am
        Fri, Apr 4|St. Louis - Seoul|United Airlines
        NZD 897
        NZD 897

        Choose United Airlines flights from St. Louis to Seoul. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Fri, Apr 4, arriving at Incheon International Airport. One-way Prices start from NZD 897 including taxes and charges.

      • STL05:58 pm
        20h 22m
        1 stop
        ICN04:20 am
        Sat, Apr 5|St. Louis - Seoul|United Airlines
        NZD 897
        NZD 897

        Choose United Airlines flights from St. Louis to Seoul. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Sat, Apr 5, arriving at Incheon International Airport. One-way Prices start from NZD 897 including taxes and charges.

      • STL07:00 am
        18h 15m
        1 stop
        ICN03:15 pm
        Tue, Mar 25|St. Louis - Seoul|United Airlines
        NZD 903
        NZD 903

        Choose United Airlines flights from St. Louis to Seoul. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Tue, Mar 25, arriving at Incheon International Airport. One-way Prices start from NZD 903 including taxes and charges.

      • STL10:19 am
        28h 41m
        1 stop
        ICN05:00 am
        Tue, Mar 25|St. Louis - Seoul|Delta Air Lines
        NZD 904
        NZD 904

        Choose Delta Air Lines flights from St. Louis to Seoul. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Tue, Mar 25, arriving at Incheon International Airport. One-way Prices start from NZD 904 including taxes and charges.

      • STL09:00 am
        40h 15m
        1 stop
        ICN04:15 pm
        Fri, Feb 21|St. Louis - Seoul|United Airlines
        NZD 905
        NZD 905

        Choose United Airlines flights from St. Louis to Seoul. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Fri, Feb 21, arriving at Incheon International Airport. One-way Prices start from NZD 905 including taxes and charges.

      • STL05:54 pm
        20h 26m
        1 stop
        ICN04:20 am
        Mon, Mar 31|St. Louis - Seoul|United Airlines
        NZD 907
        NZD 907

        Choose United Airlines flights from St. Louis to Seoul. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Mon, Mar 31, arriving at Incheon International Airport. One-way Prices start from NZD 907 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        SEL02:00 pm
        Fri, Feb 28|St. Louis - Seoul|United Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

St. Louis to Seoul Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA4566

    United Airlines

    01:03 pm

    STL

    1.5h

    02:35 pm

    ORD

    SMTWTFS
    Search

  2. UA2409

    United Airlines

    04:00 pm

    ORD

    5.0h

    07:00 pm

    SFO

    SMTWTFS

  3. UA805

    United Airlines

    11:40 pm

    SFO

    12.7h

    04:20 am

    ICN

    SMTWTFS

  4. UA1004

    United Airlines

    04:30 pm

    STL

    2.3h

    05:50 pm

    DEN

    SMTWTFS
    Search

  5. UA2681

    United Airlines

    07:16 pm

    DEN

    2.8h

    09:05 pm

    SFO

    SMTWTFS

  6. UA805

    United Airlines

    11:40 pm

    SFO

    12.7h

    04:20 am

    ICN

    SMTWTFS

  7. AA2261

    American Airlines

    05:15 am

    STL

    1.9h

    07:09 am

    DFW

    S-TWTFS
    Search

  8. AA281

    American Airlines

    10:20 am

    DFW

    15.2h

    03:30 pm

    ICN

    SMTWTFS

  9. DL1485

    Delta Air Lines

    05:40 pm

    STL

    1.8h

    08:25 pm

    ATL

    SMTWTFS
    Search

  10. DL027

    Delta Air Lines

    11:35 pm

    ATL

    15.4h

    04:00 am

    ICN

    SMTWTFS

  11. DL1597

    Delta Air Lines

    06:30 am

    STL

    1.5h

    08:02 am

    MSP

    SMTWTFS
    Search

  12. DL868

    Delta Air Lines

    08:50 am

    MSP

    3.9h

    10:45 am

    SEA

    SMTWTFS

  13. DL197

    Delta Air Lines

    12:50 pm

    SEA

    11.7h

    04:30 pm

    ICN

    SMTWTFS

  14. DL1626

    Delta Air Lines

    06:45 am

    STL

    1.5h

    09:15 am

    DTW

    SMTWTFS
    Search

  15. DL159

    Delta Air Lines

    12:45 pm

    DTW

    14.7h

    04:25 pm

    ICN

    SMTWTFS

  16. AA537

    American Airlines

    07:04 am

    STL

    2.2h

    09:14 am

    DFW

    SMTWTFS
    Search

  17. AA281

    American Airlines

    10:20 am

    DFW

    15.2h

    03:30 pm

    ICN

    SMTWTFS

  18. UA1314

    United Airlines

    09:00 am

    STL

    4.6h

    11:38 am

    SFO

    SMTWTFS
    Search

  19. UA805

    United Airlines

    11:40 pm

    SFO

    12.7h

    04:20 am

    ICN

    SMTWTFS

  20. DL1571

    Delta Air Lines

    10:10 am

    STL

    1.6h

    12:46 pm

    ATL

    SMTWTFS
    Search

  21. DL027

    Delta Air Lines

    11:35 pm

    ATL

    15.4h

    04:00 am

    ICN

    SMTWTFS

  22. UA6213

    United Airlines

    10:55 am

    STL

    2.4h

    01:21 pm

    IAH

    SMTWTFS
    Search

  23. UA2458

    United Airlines

    02:40 pm

    IAH

    4.6h

    05:14 pm

    SFO

    SMTWTFS

  24. UA805

    United Airlines

    11:40 pm

    SFO

    12.7h

    04:20 am

    ICN

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from St. Louis to Seoul?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from St. Louis (STL) to Seoul (SEL) the cheapest?

    Airlines adjust prices for flights from St. Louis to Seoul based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Seoul (SEL) cost?

    According to Trip.com's data, the lowest price is around NZD 2,434.

  • 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.

How to find a cheap flight from St. Louis to Seoul

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Seoul. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | St. Louis to Seoul

Cheapest nonstop flight priceNZD 856
Off-season for travelFebruary
Peak season for travelMay
Flight distance10,736.12 km
Popular airlineAmerican Airlines

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