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$597+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — STL
Nov 19 — Nov 261
1 adult
Tue 11/19
Tue 11/26
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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 November 14, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

August

Cheapest in

November

Round-trip from

$863
(Air Canada)

One-way from

$597
(United Airlines)
Provider with most accurate pricing for Incheon Intl-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-Lambert-St Louis flights.
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High demand for flights, 30% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Incheon Intl to Lambert-St Louis
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One-way flight from Incheon Intl to Lambert-St Louis
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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 November 14, 2024.

This Air Canada deal was found by Cheapflights users on 11/14. 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.
Wed 11/206:20 pmICN - STL
2 stops35h 46mAir Canada
Sat 11/233:50 pmSTL - ICN
2 stops33h 55mAir Canada
Deal found 11/14$890
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Sat 11/2312:45 pmICN - STL
1 stop19h 11mUnited Airlines
Wed 11/277:00 pmSTL - ICN
1 stop19h 40mUnited Airlines
Deal found 11/13$906
This Kiwi.com deal was found by Cheapflights users on 11/13. 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.
Fri 11/2212:20 amICN - STL
2 stops35h 24mMultiple Airlines
Wed 11/276:00 amSTL - ICN
1 stop18h 30mMultiple Airlines
Deal found 11/13$2,001
This Qatar Airways deal was found by Cheapflights users on 11/13. 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.
Sun 12/1512:20 amICN - STL
2 stops47h 23mQatar Airways
Mon 12/305:29 pmSTL - ICN
2 stops32h 46mQatar Airways
Deal found 11/13$2,168

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 2,752,363 searches. Data last updated November 14, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Tue 12/17

12:45 pm-4:29 pm

2 stops18h 44m

Lambert-St Louis

Tue 12/31

5:33 pm-4:15 pm

2 stops31h 42m

$829

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Wed 12/4

6:20 pm-3:06 pm

2 stops35h 46m

Lambert-St Louis

Sat 12/7

3:50 pm-4:45 pm

2 stops33h 55m

$890

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 12/16

12:20 am-8:43 am

2 stops47h 23m

Lambert-St Louis

Tue 12/31

1:45 pm-5:15 pm

2 stops36h 30m

$2,092

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Sun 12/22

12:45 pm-12:26 pm

2 stops38h 41m

$599

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Sun 12/22

10:40 am-8:13 am

3 stops36h 33m

$637

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Sat 12/21

12:20 am-10:43 pm

2 stops37h 23m

$1,338

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Sat 1/18

1:35 pm-11:32 am

2 stops36h 57m

$2,658

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Sat 1/18

6:05 pm-5:36 pm

3 stops62h 31m

$6,166

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

  • 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 November 14, 2024.
Read through reviews of airlines operating flights from Seoul to St. Louis, such as Air Canada and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,460 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 10

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

Japan Airlines
8.3
Very good
1,460 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 10

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

Austrian Airlines
7.6
Good
810 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 10

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

Qatar Airways
7.5
Good
3,861 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 10

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

United Airlines
7.4
Good
9,194 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 10

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

Air Canada
7.0
Good
8,198 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 10

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

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 1 airline. 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 Air Canada is currently your cheapest option to St. Louis, with prices starting at $863. Additional round-trip tickets that might be worth considering are offered by United Airlines and Qatar Airways, with the lowest prices starting at $906 and $2,088, respectively. These flights start at 39% 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 $597. However, be on the lookout for offers from Qatar Airways 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 $357). 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.

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Alternative routes for Incheon Intl to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Incheon Intl to St. Louis

Discover the top airline 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 2,752,363 searches. Data last updated November 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$941Average$1,464FlexibilityNo cancel feeOn-timeN/A
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