St. Louis

$469+ Cheap flights from Incheon Intl (ICN) 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — STL
dez 23 — dez 301
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Incheon Intl 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 Incheon Intl to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) 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 dezembro 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$811
(American Airlines)

One-way from

$469
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$1,278
Provider with most accurate pricing for Incheon Intl-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Incheon Intl-Lambert-St Louis flights.
From Incheon Intl to Lambert-St Louis
One-way flight from Incheon Intl to Lambert-St Louis
High demand for flights, 17% potential price rise
Best time to find cheap flights, 4% potential price drop
Average for round-trip flights in December 2024

Find flight deals from Incheon Intl to St. Louis

Cheapest flights from Incheon Intl to St. Louis
Explore the most affordable flight options available from Incheon Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on dezembro 18, 2024.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
ter 12/2412:45 pmICN - STL
1 stop26h 43mUnited Airlines
seg 12/306:25 amSTL - ICN
2 stops32h 15mUnited Airlines
Deal found 12/16$834
This Qatar Airways deal was found by Cheapflights users on 12/17. 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.
qui 12/2612:20 amICN - STL
2 stops34h 10mQatar Airways
sáb 1/253:41 pmSTL - ICN
2 stops34h 34mQatar Airways
Deal found 12/17$2,156
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 12/2411:30 amICN - STL
2 stops43h 42mMultiple Airlines
seg 12/302:23 pmSTL - ICN
1 stop36h 27mMultiple Airlines
Deal found 12/16$5,191
This Air Canada deal was found by Cheapflights users on 12/16. 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.
ter 12/244:55 pmICN - STL
2 stops37h 11mAir Canada
seg 12/3011:30 amSTL - ICN
2 stops36h 45mAir Canada
Deal found 12/16$5,241
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 12/2412:40 pmICN - STL
2 stops22h 17mANA
seg 12/308:00 amSTL - ICN
2 stops23h 20mANA
Deal found 12/16$10,277

Find flights from Incheon Intl to St. Louis within your budget

Customize your flight search to find flights from Incheon Intl 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 dezembro 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

sex 1/31

6:50 pm-10:56 pm

1 stop19h 06m

Lambert-St Louis

sex 2/7

5:03 am-4:45 pm

1 stop20h 42m

$811

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

ter 2/11

6:00 pm-10:47 am

2 stops31h 47m

Lambert-St Louis

sex 2/14

1:39 pm-5:40 am

2 stops25h 01m

$833

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

dom 1/26

8:10 pm-3:06 pm

1 stop33h 56m

Lambert-St Louis

seg 2/10

3:50 pm-6:25 pm

1 stop35h 35m

$1,029

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

sex 1/10

1:35 pm-7:34 pm

1 stop20h 59m

Lambert-St Louis

sex 1/24

7:09 pm-4:10 pm

2 stops30h 01m

$1,207

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

qui 1/23

7:30 pm-11:14 pm

1 stop18h 44m

Lambert-St Louis

sex 2/7

6:00 am-3:30 pm

1 stop18h 30m

$1,508

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

qui 1/30

12:20 am-7:30 pm

2 stops34h 10m

Lambert-St Louis

sex 2/7

11:38 am-5:15 pm

2 stops38h 37m

$2,058

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

seg 3/3

6:55 pm-11:59 pm

2 stops20h 04m

$469

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

sex 3/21

11:45 am-5:53 pm

1 stop20h 08m

$509

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

qua 1/22

8:10 pm-3:06 pm

1 stop33h 56m

$683

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

sex 5/9

1:00 pm-11:56 pm

2 stops24h 56m

$882

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 12 results
1
2

Compare providers for flights from Incheon Intl 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 Incheon Intl 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 Incheon Intl Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-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 Incheon Intl Airport-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 Incheon Intl to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Incheon Intl 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 Incheon Intl to St. Louis

Get recent, data-driven insights about flights from Incheon Intl 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 dezembro 18, 2024.
Read through reviews of airlines operating flights from Seoul to St. Louis, such as Qatar Airways, United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.4
Very good
1,018 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
1,018 reviews
8.4
Very good
1,018 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
1,443 reviews
8.4
Very good
1,018 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
3,798 reviews
8.4
Very good
1,018 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
9,059 reviews
8.4
Very good
1,018 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
1,018 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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 Incheon Intl 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 Incheon Intl?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Incheon Intl. On average, Lambert-St Louis has 0 inbound flights from Incheon Intl per day from 2 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    Flying on American Airlines is currently your cheapest option to St. Louis, with prices starting at $811. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at $833 and $1,029, respectively. These flights start at 43% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $509. However, be on the lookout for offers from Air Canada and Japan Airlines, as they are both options that can get you from Incheon Intl Airport to St. Louis for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl Airport to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to St. Louis (average of $308). Flying from Incheon Intl Airport 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.

Alternative routes for Incheon Intl to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Incheon Intl to St. Louis

Discover the top 2 airlines that operate flights from Incheon Intl 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 dezembro 18, 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.