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Cheap flights from St. Louis (STL) to South Korea from $648

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — ICN
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
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What is the cheapest month to fly from St. Louis to South Korea?

Flights from St. Louis to South Korea lean towards being more expensive in December. Prices are generally better when you fly from St. Louis to South Korea in February, with the cheapest ticket starting at $1,355.

When is the cheapest time to fly from St. Louis to South Korea (STL - KR)?

When flying from St. Louis to South Korea, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Cathay Pacific flights from St. Louis to South Korea

Explore cheap flight options specifically provided by Cathay Pacific for the route between St. Louis and South Korea. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Consider these cheap Cathay Pacific flights we've found departing from St. Louis to South Korea. Make sure to check back often as deals are often changing.
Sun 9/19:44 amSTL - ICN
2 stops43h 31mCathay Pacific
Sat 9/73:10 pmICN - STL
2 stops42h 48mCathay Pacific
Deal found 5/9$1,353
Tue 10/155:30 pmSTL - ICN
2 stops53h 05mCathay Pacific
Fri 10/258:15 pmICN - STL
2 stops37h 52mCathay Pacific
Deal found 5/8$1,416

Cheap Finnair flights from St. Louis to South Korea

Explore cheap flight options specifically provided by Finnair for the route between St. Louis and South Korea. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Some of the lowest-priced Finnair flights we've found at this time heading from St. Louis to South Korea. Deals frequently update to provide users with more options.
Sat 10/122:05 pmSTL - ICN
2 stops31h 15mFinnair
Mon 10/219:40 pmICN - STL
2 stops34h 41mFinnair
Deal found 5/8$1,364
Fri 10/112:05 pmSTL - ICN
2 stops31h 15mFinnair
Wed 10/239:40 pmICN - STL
2 stops34h 41mFinnair
Deal found 5/8$1,618

Cheap St. Louis to South Korea flights in May & June 2024

Find cheap flight options from St. Louis to South Korea specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Prices were last updated on May 9, 2024.
These are some of the most attractive deals on flights from St. Louis to South Korea in 2024. For more flight deals, be sure to check back very soon.
Mon 5/135:21 amSTL - ICN
1 stop19h 54mAmerican Airlines
Sat 5/255:25 pmICN - STL
1 stop16h 03mAmerican Airlines
Deal found 5/9$1,674
Mon 5/134:20 pmSTL - ICN
2 stops32h 55mAmerican Airlines
Sat 5/255:25 pmICN - STL
2 stops30h 28mAmerican Airlines
Deal found 5/9$1,675
Mon 5/134:20 pmSTL - ICN
2 stops32h 55mAmerican Airlines
Sat 5/185:25 pmICN - STL
1 stop19h 34mAmerican Airlines
Deal found 5/9$1,677
Mon 5/139:43 amSTL - ICN
1 stop39h 32mAmerican Airlines
Sat 5/185:25 pmICN - STL
1 stop19h 34mAmerican Airlines
Deal found 5/9$1,683
Mon 5/137:01 amSTL - GMP
2 stops37h 44mJapan Airlines
Sat 5/1812:05 pmGMP - STL
2 stops25h 12mJapan Airlines
Deal found 5/9$1,717
Sun 5/127:01 amSTL - GMP
2 stops24h 59mJapan Airlines
Tue 5/1412:05 pmGMP - STL
2 stops25h 12mJapan Airlines
Deal found 5/8$1,727
Sat 6/85:25 pmSTL - ICN
2 stops33h 15mKLM
Sat 6/1511:05 pmICN - STL
2 stops28h 21mKLM
Deal found 5/9$1,853
Thu 6/65:38 pmSTL - ICN
2 stops31h 37mAmerican Airlines
Thu 6/135:25 pmICN - STL
2 stops31h 07mAmerican Airlines
Deal found 5/9$1,912
Thu 6/69:44 amSTL - ICN
1 stop39h 31mAmerican Airlines
Thu 6/135:25 pmICN - STL
1 stop19h 32mAmerican Airlines
Deal found 5/9$2,043

St. Louis to South Korea 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and South Korea in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
These are some of the most attractive deals on flights from St. Louis to South Korea in 2024. For more flight deals, be sure to check back very soon.
Sun 9/19:44 amSTL - ICN
2 stops43h 31mCathay Pacific
Sat 9/73:10 pmICN - STL
2 stops42h 48mCathay Pacific
Deal found 5/9$1,353
Sun 9/227:31 pmSTL - ICN
2 stops25h 29mMultiple Airlines
Sat 10/512:00 pmICN - STL
2 stops39h 28mMultiple Airlines
Deal found 5/9$1,402
Fri 8/307:00 amSTL - ICN
2 stops39h 35mMultiple Airlines
Fri 9/63:10 pmICN - STL
2 stops38h 30mMultiple Airlines
Deal found 5/9$1,413
Thu 9/511:51 amSTL - ICN
1 stop26h 39mDelta
Thu 9/124:25 pmICN - STL
1 stop18h 14mDelta
Deal found 5/9$1,428
Thu 9/57:10 amSTL - ICN
2 stops20h 10mDelta
Thu 9/127:20 pmICN - STL
2 stops19h 10mDelta
Deal found 5/9$1,432
Fri 8/3012:00 pmSTL - ICN
1 stop38h 25mAir Canada
Fri 9/66:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 5/9$1,471
Sun 9/226:30 amSTL - ICN
1 stop18h 50mDelta
Sat 10/54:25 pmICN - STL
1 stop21h 10mDelta
Deal found 5/9$1,478
Sun 9/226:58 pmSTL - ICN
2 stops30h 17mAmerican Airlines
Sat 10/55:25 pmICN - STL
1 stop18h 59mAmerican Airlines
Deal found 5/9$1,481
Fri 8/306:30 amSTL - ICN
1 stop18h 50mDelta
Fri 9/66:40 pmICN - STL
1 stop18h 59mDelta
Deal found 5/9$1,528

St. Louis to South Korea flights leaving soon

Find last-minute flight options from St. Louis to South Korea for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Check out these flights departing soon from St. Louis to South Korea. Tip: verify your flight details before completing your reservation.
Thu 5/1611:10 amSTL - ICN
2 stops37h 50mUnited Airlines
Fri 7/194:50 pmICN - STL
2 stops35h 46mUnited Airlines
Deal found 5/8$2,145
Fri 5/1711:10 amSTL - ICN
2 stops37h 50mUnited Airlines
Thu 7/2511:30 amICN - STL
2 stops24h 47mUnited Airlines
Deal found 5/8$2,221
Thu 5/166:11 amSTL - ICN
1 stop19h 09mKorean Air
Fri 7/196:40 pmICN - STL
1 stop35h 40mKorean Air
Deal found 5/8$2,332
Thu 5/166:11 amSTL - ICN
1 stop19h 09mDelta
Fri 7/194:35 pmICN - STL
2 stops19h 01mDelta
Deal found 5/8$2,399
Fri 5/176:11 amSTL - ICN
1 stop19h 09mMultiple Airlines
Thu 7/257:40 pmICN - STL
1 stop15h 56mMultiple Airlines
Deal found 5/8$2,484
Fri 5/177:10 pmSTL - ICN
1 stop29h 15mDelta
Thu 7/254:35 pmICN - STL
2 stops22h 04mDelta
Deal found 5/8$2,788
Thu 5/167:20 pmSTL - ICN
2 stops32h 15mQatar Airways
Thu 7/181:20 amICN - STL
2 stops36h 39mQatar Airways
Deal found 5/8$4,600
Fri 5/179:43 amSTL - ICN
2 stops41h 52mQatar Airways
Wed 7/241:20 amICN - STL
2 stops36h 39mQatar Airways
Deal found 5/8$4,777

One-way flights to South Korea from St. Louis

Search for one-way flight options from St. Louis to South Korea. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to South Korea. Those needing a return flight from St. Louis to South Korea can use the search form above.
Mon 8/196:05 pmSTL - ICN
3 stops34h 55mMultiple Airlines
Deal found 5/9$648
Tue 8/209:44 amSTL - ICN
2 stops45h 31mCathay Pacific
Deal found 5/9$717
Sat 5/187:41 pmSTL - ICN
3 stops59h 14mMultiple Airlines
Deal found 5/8$831
Tue 7/165:46 pmSTL - ICN
2 stops31h 29mAmerican Airlines
Deal found 5/8$858
Tue 7/167:00 amSTL - ICN
1 stop18h 15mAmerican Airlines
Deal found 5/8$859
Mon 8/194:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 5/9$869
Sat 9/1412:00 pmSTL - ICN
2 stops38h 05mAir Canada
Deal found 5/8$914
Sat 9/2112:00 pmSTL - ICN
2 stops63h 30mAir Canada
Deal found 5/9$916
Sat 9/144:05 pmSTL - ICN
1 stop35h 25mAir Canada
Deal found 5/8$920

Find flights from St. Louis to South Korea within your budget

Customize your flight search to find flights from St. Louis to South Korea 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 2,717,708 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,320 - $1,651

Route

Depart

Return

Price

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Thu 9/5

2 stops30h 40m

Incheon Intl

Mon 9/9

2 stops33h 25m

$1,320

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sun 9/1

2 stops43h 31m

Incheon Intl

Sat 9/7

2 stops42h 48m

$1,353

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sat 10/12

2 stops31h 15m

Incheon Intl

Mon 10/21

2 stops34h 41m

$1,364

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sun 10/13

1 stop38h 25m

Incheon Intl

Tue 10/22

2 stops35h 20m

$1,369

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sun 10/13

1 stop29h 10m

Incheon Intl

Tue 10/22

1 stop18h 55m

$1,428

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sun 10/13

2 stops34h 37m

Incheon Intl

Tue 10/22

2 stops30h 39m

$1,430

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Thu 8/8

2 stops24h 35m

Incheon Intl

Fri 8/16

2 stops36h 34m

$1,584

Lambert-St LouisSeoul Gimpo Intl

STL - GMP

STLGMP

Lambert-St Louis

Thu 9/5

2 stops24h 30m

Seoul Gimpo Intl

Thu 9/12

2 stops21h 37m

$1,594

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Fri 10/18

2 stops44h 35m

Incheon Intl

Fri 11/1

2 stops52h 12m

$1,651

Flights are sorted by cheapest first

Deals found on 5/8

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated May 9, 2024.
Read through reviews of airlines operating flights from St. Louis to South Korea, such as Cathay Pacific, Finnair and Air Canada. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,181 reviews
Check prices

Food

8.2

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Korean Air
8.5
Very good
1,181 reviews
Korean Air
8.5
Very good
1,181 reviews
Check prices

Food

8.2

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

ANA
8.5
Very good
926 reviews
Korean Air
8.5
Very good
1,181 reviews
Check prices

Food

8.2

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Japan Airlines
8.3
Very good
1,476 reviews
Korean Air
8.5
Very good
1,181 reviews
Check prices

Food

8.2

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Delta
8.0
Very good
10,778 reviews
Korean Air
8.5
Very good
1,181 reviews
Check prices

Food

8.2

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

KLM
7.9
Good
1,590 reviews
Korean Air
8.5
Very good
1,181 reviews
Check prices

Food

8.2

Entertainment

8.2

Boarding

8.6

Overall

8.5

Comfort

8.3

Crew

8.8

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to South Korea. 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 from for flights from St. Louis to South Korea?

    If you book a flight to South Korea from St. Louis, you will be flying from 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.

  • Can I find flights from St. Louis to South Korea for under $1,400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to South Korea for under $1,400. The cheapest flight booked recently is on Multiple Airlines for just $1,320, but on average you can expect to pay $1,424.

  • Are there last-minute flights available from St. Louis to South Korea for under $2,200?

    There are currently 8+ open flights from St. Louis to South Korea within the next 7 days for less than $2,200.

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

    $717 is the cheapest one-way deal found within the past few days, from Cathay Pacific. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from $858 and $869, respectively.

  • What are the most popular routes from St. Louis to South Korea?

    When deciding which route to take from St. Louis to South Korea consider Lambert-St Louis - Incheon Intl, Lambert-St Louis - Seoul Gimpo Intl or Lambert-St Louis - Jeju City as they are the most popular.

  • What are the most popular airlines that fly from St. Louis to South Korea?

    Consider American Airlines, Air Canada or Delta when booking your flight. These represent the most popular airlines when flying from St. Louis to South Korea.

  • What does STL to ICN mean?

    STL and ICN are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to ICN refers to a flight route from Lambert-St Louis Airport to Incheon Intl Airport. Busan Gimhae Airport (PUS), Seoul Gimpo Intl Airport (GMP), Daegu Airport (TAE), Cheongju Airport (CJJ), Jeju City Airport (CJU) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from St. Louis to South Korea that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to South Korea flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to South Korea with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to South Korea flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from St. Louis to South Korea that allow pets onboard?

    Many airlines flying from St. Louis to South Korea offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to South Korea?

    Yes, you can often find last-minute deals on St. Louis to South Korea flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to South Korea flight deals updated?

    The St. Louis to South Korea flight deals you see on this page were last updated on 5/9.

See more FAQs

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Alternative routes for St. Louis to South Korea
See prices for flight routes from nearby airports that may be better suited for you.

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Top 5 airlines flying from St. Louis to South Korea

Discover the top 5 airlines that operate flights from St. Louis to South Korea. 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 2,717,708 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,217Average$1,349FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,335Average$1,750FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$1,386Average$1,631FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$1,555Average$1,762FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapest$1,784Average$1,961FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
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Search flights from St. Louis to South Korea by cabin class

Find flights from St. Louis to South Korea, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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How does Cheapflights help users find flights from St. Louis to South Korea?

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Why should you use Cheapflights to find cheap flight tickets from St. Louis to South Korea?

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Can Cheapflights find flights from St. Louis to South Korea with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to South Korea flexibly with Cheapflights today.

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Of course! You can now track prices for flights from St. Louis to South Korea and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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