St. Louis

$494+ Cheap flights from Seoul (SEL) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — STL
Dec 27 — Jan 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seoul to St. Louis with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seoul to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$829
(United Airlines)

One-way from

$494
(American Airlines)
Provider with most accurate pricing for Seoul (SEL)-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Seoul (SEL)-Lambert-St Louis flights.
From Seoul (SEL) to Lambert-St Louis
One-way flight from Seoul (SEL) to Lambert-St Louis

Find flight deals from Seoul to St. Louis

Best flights from Seoul to St. Louis
Discover carefully curated flight deals from Seoul to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

This United Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/312:45 pmICN - STL
1 stop20h 24mUnited Airlines
Fri 2/219:00 amSTL - ICN
1 stop29h 40mUnited Airlines
Deal found 12/22$829
This Air Canada deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/105:45 pmICN - STL
2 stops35h 14mAir Canada
Sun 4/133:50 pmSTL - ICN
2 stops34h 15mAir Canada
Deal found 12/21$963
This Qatar Airways deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/91:20 amICN - STL
2 stops36h 39mQatar Airways
Fri 4/187:51 pmSTL - ICN
2 stops31h 44mQatar Airways
Deal found 12/21$2,056
This Korean Air deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/67:25 pmICN - STL
1 stop19h 12mKorean Air
Fri 1/246:00 amSTL - ICN
1 stop18h 30mKorean Air
Deal found 12/22$2,578

Find flights from Seoul to St. Louis within your budget

Customize your flight search to find flights from Seoul to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 2/3

12:45 pm-6:09 pm

1 stop20h 24m

Lambert-St Louis

Fri 2/21

9:00 am-5:40 am

1 stop29h 40m

$829

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Thu 4/10

5:45 pm-2:59 pm

2 stops35h 14m

Lambert-St Louis

Sun 4/13

3:50 pm-4:05 pm

2 stops34h 15m

$963

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Wed 4/9

1:20 am-11:59 pm

2 stops36h 39m

Lambert-St Louis

Fri 4/18

7:51 pm-5:35 pm

2 stops31h 44m

$2,056

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 1/6

7:25 pm-11:37 pm

1 stop19h 12m

Lambert-St Louis

Fri 1/24

6:00 am-3:30 pm

1 stop18h 30m

$2,578

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Fri 2/14

6:50 pm-10:43 pm

1 stop18h 53m

$494

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Fri 2/14

8:45 am-9:16 am

3 stops39h 31m

$614

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Fri 2/14

7:50 am-11:25 am

2 stops18h 35m

$726

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Fri 2/14

7:50 am-4:45 pm

3 stops23h 55m

$746

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Thu 2/13

12:20 am-7:29 pm

2 stops34h 09m

$1,188

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Compare providers for flights from Seoul to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to St. Louis in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seoul-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seoul to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Seoul with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seoul to St. Louis

Get recent, data-driven insights about flights from Seoul to St. Louis including ideal travel times, pricing trends, and more.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated December 22, 2024.
8.4
Very good
1,025 reviews

Crew

8.7

Comfort

8.3

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

8.4
Very good
1,025 reviews
8.4
Very good
1,025 reviews

Crew

8.7

Comfort

8.3

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

8.3
Very good
1,440 reviews
8.4
Very good
1,025 reviews

Crew

8.7

Comfort

8.3

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

7.5
Good
3,789 reviews
8.4
Very good
1,025 reviews

Crew

8.7

Comfort

8.3

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

7.4
Good
9,028 reviews
8.4
Very good
1,025 reviews

Crew

8.7

Comfort

8.3

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

7.2
Good
10,000 reviews
8.4
Very good
1,025 reviews

Crew

8.7

Comfort

8.3

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Seoul to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to St. Louis from Seoul?

    If you book a flight to St. Louis from Seoul, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Seoul to Lambert-St Louis per day from 2 different airlines.

  • What are the cheapest airlines flying from Seoul to St. Louis round-trip?

    Currently priced at $829, United Airlines will fly you from Seoul to St. Louis and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Qatar Airways - these airlines can fly you to your destination from $963 and $2,056, respectively.

  • What are the cheapest airlines to fly from Seoul to St. Louis one-way?

    The cheapest airlines for a one-way flight from Seoul to St. Louis are American Airlines ($494), Japan Airlines ($726), and Qatar Airways ($1,188).

  • Can I find deals for flights from Seoul to St. Louis that include hotel bookings?

    Yes. In addition to deals on Seoul to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seoul to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to St. Louis.

  • Can I find deals for business class flights from Seoul to St. Louis?

    Yes. Cheapflights offers flight deals from Seoul to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seoul to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Seoul to St. Louis (average of $311). Flying from Seoul to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Seoul to St. Louis

Discover the top 2 airlines that operate flights from Seoul to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$941Average$1,396FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,362Average$1,482FlexibilityNo cancel feeOn-time81%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.