Cheap flights from Seoul (SEL) to St. Louis (STL) from $571

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 5/27. 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.
SEL — STL
May 15 — May 221

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 May 10, 2024.

Popular in

May

Cheapest in

March

Average price

$2,005

Round-trip from

$322
High demand for flights, 19% potential price rise
Best time to find cheap flights, 16% potential price drop
Average for round-trip flights in May 2024
From Seoul (SEL) to Lambert-St Louis

What is the cheapest day to fly round-trip from Seoul to St. Louis?

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Seoul to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, March can be a great choice for travel to St. Louis. Flights to St. Louis from Seoul in March are about $1,620 on average during March, but can be found for as low as $1,359.

When is the cheapest time to fly from Seoul to St. Louis (SEL - STL)?

It’s typically best to fly out from Seoul to St. Louis in the morning. Doing so could potentially save you 33% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Air Canada flights from Seoul to St. Louis

Explore cheap flight options specifically provided by Air Canada for the route between Seoul and St. Louis. 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 10, 2024.
Peruse some of the lowest-priced Air Canada flights we've found from Seoul to St. Louis. Make sure to check back often as deals are often changing.
Wed 10/166:00 pmICN - STL
2 stops35h 20mAir Canada
Mon 10/284:10 pmSTL - ICN
2 stops33h 50mAir Canada
Deal found 5/10$1,096
Fri 9/66:00 pmICN - STL
2 stops35h 20mAir Canada
Thu 9/124:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 5/10$1,235
Tue 7/96:00 pmICN - STL
2 stops35h 21mAir Canada
Tue 7/234:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 5/9$1,369
Wed 9/46:00 pmICN - STL
2 stops35h 20mAir Canada
Thu 9/124:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 5/9$1,413
Mon 7/296:00 pmICN - STL
2 stops35h 21mAir Canada
Wed 8/1412:00 pmSTL - ICN
2 stops38h 05mAir Canada
Deal found 5/9$1,484
Fri 9/206:00 pmICN - STL
2 stops35h 20mAir Canada
Sat 9/284:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 5/8$1,520
Tue 7/166:00 pmICN - STL
2 stops35h 21mAir Canada
Thu 8/84:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 5/10$1,529
Mon 7/156:00 pmICN - STL
2 stops35h 21mAir Canada
Wed 8/1412:00 pmSTL - ICN
2 stops38h 05mAir Canada
Deal found 5/9$1,530
Mon 7/156:00 pmICN - STL
2 stops35h 21mAir Canada
Wed 8/1412:00 pmSTL - ICN
1 stop38h 25mAir Canada
Deal found 5/9$1,552

Cheap Delta flights from Seoul to St. Louis

Explore cheap flight options specifically provided by Delta for the route between Seoul and St. Louis. 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 10, 2024.
Browse through some of the cheapest Delta flights traveling from Seoul to St. Louis. Check back soon if you're not seeing flights that suit your needs.
Fri 10/117:20 pmICN - STL
2 stops31h 56mDelta
Tue 10/153:30 pmSTL - ICN
1 stop33h 50mDelta
Deal found 5/8$1,188
Fri 10/1110:35 amICN - STL
2 stops21h 24mDelta
Tue 10/156:00 amSTL - ICN
2 stops21h 20mDelta
Deal found 5/8$1,233

Cheap Seoul to St. Louis flights in May & June 2024

Find cheap flight options from Seoul to St. Louis 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 10, 2024.
Listed are some of the best fares we've found on flights departing from Seoul to St. Louis in 2024. More deals are always being added, so be sure to check back regularly.
Wed 6/1211:40 amICN - STL
2 stops42h 01mLufthansa
Mon 6/175:31 pmSTL - ICN
2 stops50h 24mLufthansa
Deal found 5/8$1,426
Sat 5/2511:40 amICN - STL
2 stops48h 04mLufthansa
Thu 5/305:31 pmSTL - ICN
2 stops26h 24mLufthansa
Deal found 5/10$1,636
Sat 5/2512:25 pmICN - STL
1 stop39h 05mLufthansa
Thu 5/305:31 pmSTL - ICN
2 stops26h 24mLufthansa
Deal found 5/10$1,647
Fri 6/76:15 pmICN - STL
1 stop33h 21mMultiple Airlines
Thu 6/137:32 pmSTL - ICN
1 stop32h 13mMultiple Airlines
Deal found 5/9$1,654
Tue 6/1811:40 amICN - STL
2 stops42h 01mLufthansa
Sat 6/228:25 amSTL - ICN
2 stops35h 30mLufthansa
Deal found 5/9$1,663
Tue 6/1812:25 pmICN - STL
1 stop39h 05mLufthansa
Sat 6/228:25 amSTL - ICN
2 stops35h 30mLufthansa
Deal found 5/9$1,673
Sat 5/116:00 pmICN - STL
2 stops35h 21mAir Canada
Tue 5/214:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 5/9$1,729
Mon 6/37:40 pmICN - STL
1 stop16h 12mKorean Air
Thu 6/66:11 amSTL - ICN
1 stop19h 09mKorean Air
Deal found 5/10$1,744
Fri 5/106:00 pmICN - STL
2 stops35h 21mAir Canada
Mon 5/1311:00 amSTL - ICN
2 stops40h 30mAir Canada
Deal found 5/9$1,745

Seoul to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Seoul and St. Louis 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 10, 2024.
Listed are some of the best fares we've found on flights departing from Seoul to St. Louis in 2024. More deals are always being added, so be sure to check back regularly.
Fri 11/157:50 amGMP - STL
2 stops23h 21mJapan Airlines
Tue 11/197:24 amSTL - GMP
2 stops36h 31mJapan Airlines
Deal found 5/9$1,014
Fri 11/157:50 amGMP - STL
2 stops21h 44mJapan Airlines
Tue 11/197:24 amSTL - GMP
2 stops36h 31mJapan Airlines
Deal found 5/8$1,016
Wed 10/166:00 pmICN - STL
2 stops35h 20mAir Canada
Mon 10/284:10 pmSTL - ICN
2 stops33h 50mAir Canada
Deal found 5/10$1,096
Fri 10/117:40 pmICN - STL
1 stop28h 10mDelta
Tue 10/156:30 amSTL - ICN
1 stop18h 50mDelta
Deal found 5/8$1,188
Fri 9/67:55 amGMP - STL
2 stops19h 04mJapan Airlines
Thu 9/129:56 amSTL - GMP
2 stops22h 04mJapan Airlines
Deal found 5/10$1,215
Fri 10/1110:35 amICN - STL
2 stops21h 24mDelta
Tue 10/156:00 amSTL - ICN
2 stops21h 20mDelta
Deal found 5/8$1,233
Fri 9/66:00 pmICN - STL
2 stops35h 20mAir Canada
Thu 9/124:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 5/10$1,235
Wed 10/167:40 pmICN - STL
1 stop15h 51mKorean Air
Mon 10/286:30 amSTL - ICN
1 stop19h 00mKorean Air
Deal found 5/10$1,259
Thu 9/1910:35 amICN - STL
1 stop16h 33mKorean Air
Sat 9/286:30 amSTL - ICN
1 stop18h 50mKorean Air
Deal found 5/8$1,339

One-way flights to St. Louis from Seoul

Search for one-way flight options from Seoul to St. Louis. 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 10, 2024.
Take a look at some of the best available options we've come across on one-way flights from Seoul to St. Louis. Those needing a return flight from Seoul to St. Louis can use the search form above.
Mon 5/2712:50 pmICN - STL
2 stops59h 56mMultiple Airlines
Deal found 5/10$571
Fri 5/177:25 amICN - STL
3 stops49h 16mMultiple Airlines
Deal found 5/9$675
Mon 5/276:40 pmICN - STL
3 stops35h 25mMultiple Airlines
Deal found 5/10$715
Fri 5/1712:50 pmICN - STL
2 stops25h 09mMultiple Airlines
Deal found 5/9$851
Fri 5/177:20 pmICN - STL
1 stop18h 39mMultiple Airlines
Deal found 5/9$1,006
Mon 5/274:25 pmICN - STL
1 stop18h 00mKorean Air
Deal found 5/10$1,029
Wed 11/612:15 amICN - STL
2 stops37h 56mQatar Airways
Deal found 5/9$1,139
Wed 7/311:50 pmICN - STL
2 stops32h 42mSingapore Airlines
Deal found 5/9$1,165
Thu 5/161:20 amICN - STL
2 stops35h 59mQatar Airways
Deal found 5/9$1,186

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 2,717,708 searches. Data last updated May 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,096 - $1,951

Route

Depart

Return

Price

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Wed 10/16

2 stops35h 20m

Lambert-St Louis

Mon 10/28

2 stops33h 50m

$1,096

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Fri 10/11

2 stops31h 56m

Lambert-St Louis

Tue 10/15

1 stop33h 50m

$1,188

Seoul Gimpo IntlLambert-St Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Fri 9/6

2 stops19h 04m

Lambert-St Louis

Thu 9/12

2 stops22h 04m

$1,215

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Fri 10/11

2 stops21h 24m

Lambert-St Louis

Tue 10/15

2 stops21h 20m

$1,233

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Wed 10/16

1 stop15h 51m

Lambert-St Louis

Mon 10/28

1 stop19h 00m

$1,259

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Wed 10/16

2 stops24h 30m

Lambert-St Louis

Mon 10/28

1 stop35h 15m

$1,400

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Tue 7/16

2 stops24h 41m

Lambert-St Louis

Tue 8/6

2 stops23h 10m

$1,418

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Wed 6/12

2 stops42h 01m

Lambert-St Louis

Mon 6/17

2 stops50h 24m

$1,426

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Tue 10/15

2 stops32h 51m

Lambert-St Louis

Mon 10/28

2 stops36h 14m

$1,951

Flights are sorted by cheapest first

Deals found on 5/10

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

Average price of flights to St. Louis by month

Plan your trip from Seoul to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Seoul to St. Louis is currently $926 while a round-trip flight costs $1,354. Price data was last updated on May 5, 2024.

Currently, September is the cheapest month in which you can book a flight from Seoul to St. Louis (average of $322). Flying from Seoul to St. Louis in July is currently the most expensive (average of $372). 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.

January

$326

February

$331

March

$357

April

$337

May

$342

June

$369

July

$372

August

$336

September

$322

October

$324

November

$336

December

$326

Temperature and rainfall in St. Louis by month

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

STL

Temperature

32 - 80.6 °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 May 10, 2024.
Peruse reviews from past customers who have flown with Air Canada, Delta and Japan Airlines from Seoul to St. Louis to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very good
1,179 reviews

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Crew

8.8

Overall

8.5

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

8.5
Very good
1,179 reviews
8.5
Very good
1,179 reviews

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Crew

8.8

Overall

8.5

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

8.3
Very good
1,479 reviews
8.5
Very good
1,179 reviews

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Crew

8.8

Overall

8.5

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

8.3
Very good
1,454 reviews
8.5
Very good
1,179 reviews

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Crew

8.8

Overall

8.5

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

8.1
Very good
10,768 reviews
8.5
Very good
1,179 reviews

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Crew

8.8

Overall

8.5

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

7.9
Good
1,589 reviews
8.5
Very good
1,179 reviews

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Crew

8.8

Overall

8.5

Reviews

1 / 10

Airbus is more safer, crews are friendly and food is nice.

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 3 different airlines.

  • Can I find flights from Seoul to St. Louis for under $1,100 on Cheapflights?

    Yes, there are multiple flights from Seoul to St. Louis for under $1,100. The cheapest flight booked recently is on Air Canada for just $1,096, but on average you can expect to pay $1,366.

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

    Currently priced at $1,096, Air Canada will fly you from Seoul to St. Louis and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Japan Airlines - these airlines can fly you to your destination from $1,188 and $1,215, respectively. Air Canada is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • 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 Korean Air ($1,029), Qatar Airways ($1,139), and Singapore Airlines ($1,165).

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

  • What does ICN to STL mean?

    Incheon Intl Airport is ICN and Lambert-St Louis Airport is STL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

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

    The amount of baggage you can bring on your Seoul to St. Louis 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 Seoul to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seoul to St. Louis 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 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.

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

    Many airlines flying from Seoul to St. Louis 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 Seoul to St. Louis?

    Yes, you can often find last-minute deals on Seoul to St. Louis 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 Seoul to St. Louis flight deals updated?

    The Seoul to St. Louis flight deals you see on this page were last updated on 5/10.

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 3 airlines flying from Seoul to St. Louis

Discover the top 3 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 2,717,708 searches. Data last updated May 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$896Average$1,031FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$1,221Average$1,408FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Korean AirCheapest$1,291Average$1,482FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Search flights from Seoul to St. Louis by cabin class

Find flights from Seoul to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Seoul to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to St. Louis from Seoul by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to St. Louis from Seoul? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seoul to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from Seoul to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.