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St. Louis to Seoul - Flights Starting at NZD 1,309

Book one-way or return flights from St. Louis to Seoul from as little as NZD 1,309. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • STL06:29
        19h 16m
        1 stop
        ICN15:45
        Wed, Jul 24|St. Louis - Seoul|American Airlines
        NZD 1,309NZD 1,754
        25% OFF
        25% OFF
        NZD 1,754NZD 1,309
      • STL08:01
        18h 39m
        1 stop
        ICN16:40
        Tue, Jul 23|St. Louis - Seoul|American Airlines
        NZD 1,392NZD 1,754
        21% OFF
        21% OFF
        NZD 1,754NZD 1,392
      • STL06:00
        18h 25m
        1 stop
        ICN14:25
        Tue, Jul 23|St. Louis - Seoul|Korean Air
        NZD 1,393NZD 1,754
        21% OFF
        21% OFF
        NZD 1,754NZD 1,393
      • STL06:08
        32h 12m
        1 stop
        ICN04:20
        Tue, Jul 23|St. Louis - Seoul|United Airlines
        NZD 1,412
        NZD 1,412
      • STL07:15
        19h 35m
        1 stop
        ICN16:50
        Mon, Jul 29|St. Louis - Seoul|Korean Air
        NZD 1,544
        NZD 1,544
      • STL09:00
        29h 45m
        1 stop
        ICN04:45
        Wed, Aug 7|St. Louis - Seoul|Delta Air Lines
        NZD 1,552
        NZD 1,552
      • STL06:00
        18h 25m
        1 stop
        ICN14:25
        Tue, Jul 23|St. Louis - Seoul|Delta Air Lines
        NZD 1,555
        NZD 1,555
      • STL15:43
        22h 47m
        1 stop
        ICN04:30
        Wed, Jul 24|St. Louis - Seoul|Korean Air
        NZD 1,557
        NZD 1,557
      • STL06:00
        18h 25m
        1 stop
        ICN14:25
        Tue, Jul 16|St. Louis - Seoul|Korean Air
        NZD 1,571
        NZD 1,571
      • STL15:43
        22h 47m
        1 stop
        ICN04:30
        Mon, Jul 29|St. Louis - Seoul|Delta Air Lines
        NZD 1,624
        NZD 1,624
      • STL13:00
        3h 5m
        Direct
        SEL14:00
        Tue, May 21|St. Louis - Seoul|American Airlines
        Find More Flights
        Find More Flights

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

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

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

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from St. Louis to Seoul

View airlines operating flights from St. Louis to Seoul. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

American Airlines
From NZD 1,272
Japan Airlines
From NZD 1,284
All Nippon Airways
From NZD 1,306
United Airlines
From NZD 1,308
Korean Air
From NZD 1,393
Cathay Pacific
From NZD 1,485
Delta Air Lines
From NZD 1,552
Alaska Airlines
From NZD 1,699
Turkish Airlines
From NZD 1,730
Air Canada
From NZD 1,738
ANA airlines

Find more flights and airlines

Alternative Routes from St. Louis to Seoul

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from St. Louis to Seoul.

  • Cheapest
    United Airlines
    STL
    10:19
    22h 6m
    2 transfer
    GMP
    22:25
    St. Louis Lambert International Airport - Gimpo International Airport
    Tue, Jul 16United Airlines
    NZD 1,485
  • Frontier Airlines
    STL
    17:01
    36h 49m
    2 transfer
    ICN
    19:50
    St. Louis Lambert International Airport - Incheon International Airport
    Thu, May 16Frontier Airlines
    NZD 6,561
  • Frontier Airlines
    STL
    17:01
    36h 49m
    2 transfer
    ICN
    19:50
    St. Louis Lambert International Airport - Incheon International Airport
    Thu, May 16Frontier Airlines
    NZD 6,561
    Find More Flights

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 3,662.

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

    • The distance from Incheon International Airport to downtown is about 48km. It takes about 1 hour by taxi.
    • The distance from Gimpo International Airport to downtown is about 15km. 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
St. Louis to Seoul Flight Information

Cheapest nonstop flight price

NZD 1,309

Off-season for travel

January

Peak season for travel

August

Flight distance

10,736.12km

Popular airline

American Airlines

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