Find Flights from Saint Louis to Seoul from USD 1,150*

Discover Flight Deals from Saint Louis to Seoul

Nov 2026
FromUSD 1,380*
Viewed: 1 day ago
Round Trip/Economy Class
Dec 2026
FromUSD 1,380*
Viewed: 6 hrs ago
Round Trip/Economy Class
Jan 2027
FromUSD 1,430*
Viewed: 6 hrs ago
Round Trip/Economy Class
cmp-daily-histogram-bars-legend-min-price-aria-label USD 1.4K
Displaying fares for October-2026
  • STL–ICN: Find Offers
    01

    Sun

    NOV

  • STL–ICN: Find Offers
    02

    Mon

  • STL–ICN: Find Offers
    03

    Tue

  • STL–ICN: Find Offers
    04

    Wed

  • STL–ICN: Find Offers
    05

    Thu

  • STL–ICN: Find Offers
    06

    Fri

  • STL–ICN: Find Offers
    07

    Sat

  • STL–ICN: Find Offers
    08

    Sun

  • STL–ICN: Find Offers
    09

    Mon

  • STL–ICN: Find Offers
    10

    Tue

  • STL–ICN: Find Offers
    11

    Wed

  • STL–ICN: Find Offers
    12

    Thu

  • STL–ICN: Find Offers
    13

    Fri

  • STL–ICN: Find Offers
    14

    Sat

  • STL–ICN: Find Offers
    15

    Sun

  • STL–ICN, Nov 16, 2026 – Dec 20, 2026: From USD 1,380
    16

    Mon

  • STL–ICN, Nov 17, 2026 – Dec 20, 2026: From USD 1,380
    17

    Tue

  • STL–ICN: Find Offers
    18

    Wed

  • STL–ICN: Find Offers
    19

    Thu

  • STL–ICN: Find Offers
    20

    Fri

  • STL–ICN: Find Offers
    21

    Sat

  • STL–ICN: Find Offers
    22

    Sun

  • STL–ICN, Nov 23, 2026 – Dec 23, 2026: From USD 1,431
    23

    Mon

  • STL–ICN: Find Offers
    24

    Tue

  • STL–ICN: Find Offers
    25

    Wed

  • STL–ICN: Find Offers
    26

    Thu

  • STL–ICN: Find Offers
    27

    Fri

  • STL–ICN: Find Offers
    28

    Sat

  • STL–ICN: Find Offers
    29

    Sun

  • STL–ICN: Find Offers
    30

    Mon

    • RangeUSD 1,380-USD 1,431

    • * Fares, fuel surcharges, and various taxes, including airport facility charges at overseas airports, are subject to change depending on the issue date and exchange rates.
    • * Fares are subject to change based on the real-time availability of flight tickets. You can see a list of available fares when selecting your flight in the booking stage.
    • * Fare estimates are based on price per adult, including taxes and fuel surcharges. Additional fees and charges for optional products and services may apply.

    More Flight Deals from Saint Louis to Seoul

    USD
    keyboard_arrow_down
    More Flight Deals from Saint Louis to Seoul
    From
    To
    Fare Type
    Dates
    Price
    Saint Louis (STL)Seoul (ICN)Round Trip
    /
    Economy Class    		May 02, 2027 - May 12, 2027

    From

    USD 1,261

    Viewed: 8 hrs ago

    Saint Louis (STL)Seoul (ICN)Round Trip
    /
    Economy Class    		May 03, 2027 - May 12, 2027

    From

    USD 1,351

    Viewed: 8 hrs ago

    Saint Louis (STL)Seoul (ICN)Round Trip
    /
    Economy Class    		May 03, 2027 - May 18, 2027

    From

    USD 1,379

    Viewed: 8 hrs ago

    Saint Louis (STL)Seoul (ICN)Round Trip
    /
    Economy Class    		May 03, 2027 - May 19, 2027

    From

    USD 1,380

    Viewed: 8 hrs ago

    Saint Louis (STL)Seoul (ICN)Round Trip
    /
    Economy Class    		May 03, 2027 - May 17, 2027

    From

    USD 1,380

    Viewed: 8 hrs ago

    Saint Louis (STL)Seoul (ICN)Round Trip
    /
    Economy Class    		May 03, 2027 - May 20, 2027

    From

    USD 1,380

    Viewed: 8 hrs ago

    • * Fares, fuel surcharges, and various taxes, including airport facility charges at overseas airports, are subject to change depending on the issue date and exchange rates.
    • * Fares are subject to change based on the real-time availability of flight tickets. You can see a list of available fares when selecting your flight in the booking stage.
    • * Fare estimates are based on price per adult, including taxes and fuel surcharges. Additional fees and charges for optional products and services may apply.

    Explore More Flights

    Korean Air's Top-Pick Destinations