HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Seoul (SEL) to St. Louis (STL) from $736

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 6/17. 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
Jun 16 — Jun 231
From?
To?
Sun 6/16
Sun 6/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 June 11, 2024.

Popular in

May

Cheapest in

August

Average price

$1,679

Round-trip from

$318
High demand for flights, 22% potential price rise
Search Deals
Best time to find cheap flights, 24% potential price drop
Search Deals
Average for round-trip flights in June 2024
Search Deals
From Seoul (SEL) to Lambert-St Louis
Search Deals

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

It’s generally more expensive to depart on a Tuesday, 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, August can be a great choice for travel to St. Louis. Flights to St. Louis from Seoul in August are about $1,574 on average during August, but can be found for as low as $1,192.

What is the cheapest time of day to fly from SEL to STL?

It’s typically best to fly out from Seoul to St. Louis in the morning. Doing so could potentially save you 40% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Find cheap flight options from Seoul to St. Louis specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on June 11, 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.
Mon 7/16:00 pmICN - STL
2 stops35h 21mAir Canada
Sat 10/1212:00 pmSTL - ICN
2 stops38h 05mAir Canada
Deal found 6/11$1,485
Mon 7/16:00 pmICN - STL
2 stops35h 21mAir Canada
Sat 10/124:05 pmSTL - ICN
1 stop35h 25mAir Canada
Deal found 6/11$1,509
Tue 7/166:15 pmICN - STL
1 stop33h 05mMultiple Airlines
Thu 8/87:32 pmSTL - ICN
1 stop32h 13mMultiple Airlines
Deal found 6/9$1,550
Tue 7/166:00 pmICN - STL
2 stops35h 21mAir Canada
Thu 8/84:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 6/9$1,644
Mon 7/86:15 pmICN - STL
1 stop19h 44mMultiple Airlines
Fri 7/127:00 amSTL - ICN
1 stop20h 45mMultiple Airlines
Deal found 6/11$1,647
Mon 7/226:15 pmICN - STL
1 stop19h 44mMultiple Airlines
Fri 7/267:00 amSTL - ICN
1 stop20h 45mMultiple Airlines
Deal found 6/10$1,667
Mon 7/226:00 pmICN - STL
2 stops40h 01mAir Canada
Fri 7/2611:30 amSTL - ICN
1 stop38h 55mAir Canada
Deal found 6/10$1,681
Mon 7/16:15 pmICN - STL
1 stop19h 44mMultiple Airlines
Sat 10/127:15 amSTL - ICN
1 stop31h 15mMultiple Airlines
Deal found 6/11$1,783
Thu 7/256:00 pmICN - STL
2 stops35h 21mAir Canada
Wed 10/2312:00 pmSTL - ICN
1 stop38h 25mAir Canada
Deal found 6/11$1,784

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 3,117,830 searches. Data last updated June 11, 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 10/96:00 pmICN - STL
2 stops35h 20mAir Canada
Wed 10/1612:00 pmSTL - ICN
1 stop38h 25mAir Canada
Deal found 6/10$963
Wed 10/27:20 pmGMP - STL
2 stops34h 49mJapan Airlines
Sat 10/125:30 pmSTL - GMP
2 stops27h 15mJapan Airlines
Deal found 6/9$995
Wed 10/27:05 pmICN - STL
1 stop34h 15mAir Canada
Sat 10/124:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 6/9$1,034
Wed 10/96:00 pmICN - STL
2 stops35h 20mAir Canada
Wed 10/1612:00 pmSTL - ICN
2 stops38h 05mAir Canada
Deal found 6/10$1,048
Wed 9/186:00 pmICN - STL
2 stops35h 20mAir Canada
Wed 10/24:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 6/10$1,053
Wed 9/186:00 pmICN - STL
2 stops35h 20mAir Canada
Wed 10/212:00 pmSTL - ICN
1 stop38h 25mAir Canada
Deal found 6/10$1,065
Thu 9/510:35 amICN - STL
2 stops24h 30mMultiple Airlines
Wed 9/114:05 pmSTL - ICN
2 stops34h 00mMultiple Airlines
Deal found 6/11$1,069
Thu 9/510:35 amICN - STL
2 stops24h 30mMultiple Airlines
Wed 9/114:05 pmSTL - ICN
2 stops34h 00mMultiple Airlines
Deal found 6/9$1,076
Wed 10/26:00 pmICN - STL
2 stops35h 20mAir Canada
Sat 10/1212:00 pmSTL - ICN
2 stops38h 05mAir Canada
Deal found 6/9$1,079

Seoul to St. Louis flights leaving soon

Find last-minute flight options from Seoul to St. Louis 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 3,117,830 searches. Data last updated June 11, 2024.
Users seeking a last-minute flight from Seoul to St. Louis should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Mon 6/1710:35 amICN - STL
1 stop16h 51mMultiple Airlines
Mon 6/177:29 pmSTL - ICN
2 stops33h 31mMultiple Airlines
Deal found 6/11$2,605
Mon 6/1710:35 amICN - STL
1 stop16h 51mKorean Air
Mon 6/177:06 pmSTL - ICN
1 stop31h 44mKorean Air
Deal found 6/11$3,082

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 3,117,830 searches. Data last updated June 11, 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 6/176:40 pmICN - STL
2 stops30h 17mMultiple Airlines
Deal found 6/11$736
Mon 6/1710:35 pmICN - STL
3 stops50h 07mMultiple Airlines
Deal found 6/11$754
Mon 6/1712:50 pmICN - STL
1 stop24h 08mMultiple Airlines
Deal found 6/11$972
Tue 7/237:35 amICN - STL
3 stops43h 45mMultiple Airlines
Deal found 6/11$1,034
Sun 6/308:35 amICN - STL
3 stops28h 22mMultiple Airlines
Deal found 6/10$1,036
Tue 7/236:00 pmICN - STL
2 stops40h 01mAir Canada
Deal found 6/11$1,187
Tue 8/611:30 amICN - STL
2 stops40h 48mUnited Airlines
Deal found 6/10$1,211
Sun 6/309:25 pmICN - STL
2 stops27h 49mMultiple Airlines
Deal found 6/10$1,231
Tue 7/236:15 pmICN - STL
1 stop38h 17mMultiple Airlines
Deal found 6/11$1,252

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 3,117,830 searches. Data last updated June 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$963 - $1,651

Route

Depart

Return

Price

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Wed 10/9

2 stops35h 20m

Lambert-St Louis

Wed 10/16

1 stop38h 25m

$963

Seoul Gimpo IntlLambert-St Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Wed 10/2

2 stops34h 49m

Lambert-St Louis

Sat 10/12

2 stops27h 15m

$995

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Wed 10/2

1 stop34h 15m

Lambert-St Louis

Sat 10/12

2 stops34h 00m

$1,034

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Thu 9/5

2 stops24h 30m

Lambert-St Louis

Wed 9/11

2 stops34h 00m

$1,069

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Thu 9/5

2 stops24h 30m

Lambert-St Louis

Wed 9/11

2 stops34h 00m

$1,076

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Wed 9/18

1 stop17h 47m

Lambert-St Louis

Wed 10/2

1 stop31h 15m

$1,188

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Thu 10/3

1 stop16h 17m

Lambert-St Louis

Fri 10/11

1 stop18h 25m

$1,500

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Tue 10/8

2 stops31h 08m

Lambert-St Louis

Wed 10/16

2 stops40h 50m

$1,579

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Sat 8/17

2 stops31h 35m

Lambert-St Louis

Sat 8/24

1 stop31h 05m

$1,651

Flights are sorted by cheapest first

Deals found on 6/10

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

Use this chart to determine the cheapest time to fly round-trip from Seoul to St. Louis. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seoul to St. Louis flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

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

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 June 11, 2024.
Peruse reviews from past customers who have flown with Air Canada, Qatar Airways and Asiana 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.
Korean Air
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Korean Air
8.5
Very good
1,132 reviews
Korean Air
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Asiana Airlines
8.4
Very good
565 reviews
Korean Air
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Japan Airlines
8.3
Very good
1,456 reviews
Korean Air
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Qatar Airways
7.7
Good
4,301 reviews
Korean Air
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Turkish Airlines
7.4
Good
3,714 reviews
Korean Air
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

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 $1,000 on Cheapflights?

    Yes, there are multiple flights from Seoul to St. Louis for under $1,000. The cheapest flight booked recently is on Air Canada for just $963, but on average you can expect to pay $1,112.

  • Are there last-minute flights available from Seoul to St. Louis for under $2,700?

    There are currently 2+ open flights from Seoul to St. Louis within the next 7 days for less than $2,700.

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

    Currently priced at $963, 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 Japan Airlines and Asiana Airlines - these airlines can fly you to your destination from $995 and $1,188, respectively. Air Canada is priced at 38% 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 Air Canada ($1,187), United Airlines ($1,211), and Turkish Airlines ($1,311).

  • 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 6/11.

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

    American Airlines, Delta and Korean Air are the most popular airlines when flying from Seoul to St. Louis.

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

    Currently, September is the cheapest month in which you can book a flight from Seoul to St. Louis (average of $318). Flying from Seoul to St. Louis in July is currently the most expensive (average of $362). 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 Seoul to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.

Incheon Intl to Kansas City flights
Gimpo Intl to Kansas City flights
Busan to St. Louis flights
Incheon Intl to Springfield flights
Gimpo Intl to St. Louis flights
Incheon Intl to St. Louis flights

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 3,117,830 searches. Data last updated June 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$893Average$897FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,221Average$1,429FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,291Average$1,493FlexibilityNo cancel feeOn-time81%
Austin to Seattle flights
Dallas to Denver flights
Los Angeles to Minneapolis flights
Austin to Las Vegas flights
Philadelphia to Miami flights
Houston to Monterrey flights
USA to Tokyo flights
Houston to Miami flights
San Francisco to Sydney flights
Minneapolis to Tampa flights
Cleveland to Tampa flights
Seoul to Santa Rosa 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.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Gaziantep
Flights to Miyakojima Hirara
Flights to Figari-Sud Corse
Flights to Mason City
Flights to Komatsu
Flights to Sendai
Flights to Rhinelander Oneida County
Flights to Constanţa Mihail Kogalniceanu
Flights to Brainerd Crow Wing County
Flights to Reus
Flights to Virac
Flights to Neiva La Marguita
Flights to Pellston Emmet County
Flights to Urumqi
Flights to Bastia Poretta
Flights to Samos
Flights to Hyannis Barnstable
Flights to Provincetown
Flights to Alghero-Fertilia
Flights to Laayoune Hassan I
Flights to Devils Lake
Flights to Vava'u Lupepau'U
Flights to Hakodate
Flights to Edremit/Korfez
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.
View all available airlines