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

STL — SEL
Oct 10 — Oct 171

How to find the cheapest flight from St. Louis (STL) to Seoul (SEL)

All the information you need to plan the best STL to SEL flight in 2022: compare St. Louis to Seoul flight prices with the expected peak season, weather and rainfall in Seoul.

STL - SEL

Price

$948 - $2,328

SEL

Temperature

35.6 - 77 °F

SEL

Rainfall

1.1 - 10 inches

Popular inJuneHigh demand for flights, 42% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 29% potential price drop
Round-trip from$948From Lambert-St Louis to Seoul (SEL)
One-way from$835One-way flight from Lambert-St Louis to Seoul (SEL)

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

Departing on a Saturday is a good option for securing a great price. You can expect to save up to 52% when planning your travel around this day of the week.

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

Our data shows that February tends to be the cheapest month to fly to Seoul from St. Louis. Users have commonly found prices around $1,344 for the month, but tickets can be as low as $740. Due to multiple factors, prepare for potentially higher prices in June.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 6% on flights from St. Louis to Seoul by exploring options for tickets at noon.

Cheap flights from St. Louis to Seoul in October, November 2022

The best prices found for STL to SEL flights for October, November
Oct 16 - Oct 24
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

21h 12m
ICN

Incheon Intl

STL

Lambert-St Louis

1 stop

17h 32m
$1,224

Delta

Pick Dates

Deal found 4/10/22

Oct 16 - Oct 25
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

21h 12m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

19h 11m
$1,228

Delta

Pick Dates

Deal found 4/10/22

Oct 6 - Oct 13
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

32h 05m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

30h 02m
$1,238

American Airlines

Pick Dates

Deal found 5/10/22

St. Louis to Seoul 2022 flight deals

Cheap flights to Seoul from St. Louis found for this year
Oct 16 - Oct 24
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

21h 12m
ICN

Incheon Intl

STL

Lambert-St Louis

1 stop

17h 32m
$1,224

Delta

Pick Dates

Deal found 4/10/22

Oct 16 - Oct 25
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

21h 12m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

19h 11m
$1,228

Delta

Pick Dates

Deal found 4/10/22

Oct 6 - Oct 13
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

32h 05m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

30h 02m
$1,238

American Airlines

Pick Dates

Deal found 5/10/22

Cheap Air Canada flights from St. Louis to Seoul

Feb 6 - Feb 9
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

34h 15m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

41h 27m
$898

Air Canada

Pick Dates

Deal found 5/10/22

Mar 1 - Mar 10
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

34h 15m
ICN

Incheon Intl

STL

Lambert-St Louis

1 stop

16h 17m
$930

Air Canada

Pick Dates

Deal found 5/10/22

Mar 1 - Mar 10
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

34h 15m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

35h 02m
$950

Air Canada

Pick Dates

Deal found 5/10/22

Cheap American Airlines flights from St. Louis to Seoul

Feb 17 - Feb 28
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

30h 30m
ICN

Incheon Intl

STL

Lambert-St Louis

1 stop

18h 42m
$1,197

American Airlines

Pick Dates

Deal found 4/10/22

Dec 5 - Dec 13
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

32h 39m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

29h 22m
$1,285

American Airlines

Pick Dates

Deal found 5/10/22

Oct 24 - Nov 11
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

32h 05m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

31h 52m
$1,288

American Airlines

Pick Dates

Deal found 3/10/22

Last minute flights from St. Louis to Seoul

Late deals on return flights to Seoul from St. Louis, departing today and this week
Oct 12 - Oct 19
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

36h 37m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

30h 22m
$1,478

American Airlines

Pick Dates

Deal found 3/10/22

Oct 12 - Oct 19
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

30h 15m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

30h 59m
$1,573

American Airlines

Pick Dates

Deal found 4/10/22

Oct 12 - Oct 19
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

30h 15m
ICN

Incheon Intl

STL

Lambert-St Louis

1 stop

17h 36m
$1,598

American Airlines

Pick Dates

Deal found 3/10/22

One-way flights to Seoul from St. Louis

The cheapest one-way flights from St. Louis to Seoul
Jan 18
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

35h 25m
$649

Air Canada

Pick Dates

Deal found 4/10/22

Jan 30
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

34h 15m
$650

Air Canada

Pick Dates

Deal found 3/10/22

Jan 31
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

21h 25m
$651

Air Canada

Pick Dates

Deal found 4/10/22

Related info for your journey

Useful info, stats and facts about St. Louis to Seoul flights.

Which airlines flying from Lambert-St Louis to Seoul have flexible cancellations due to COVID-19?

Some of our airline partners flying from Lambert-St Louis to Seoul have new flexible policies in place due to COVID-19. Korean Air, American Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Korean Air with this kind of flexibility.

Can I find flights from St. Louis to Seoul for under $900 on Cheapflights?

Yes, there are multiple flights from St. Louis to Seoul for under $900. The cheapest flight booked recently is on Air Canada for just $898, but on average you can expect to pay $1,069.

Are there last-minute flights available from St. Louis to Seoul for under $1,500?

There are currently 11+ open flights from St. Louis to Seoul within the next 7 days for less than $1,500.

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

Air Canada, at $898, was found to be the cheapest airline from St. Louis to Seoul.Alternate airlines to your destination round-trip include American Airlines and Delta. These flights start at 33% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from St. Louis to Seoul one-way?

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $649. Japan Airlines flights start at $807 while deals on Delta start at $835 one-way.

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

Before booking your flight from St. Louis to Seoul check out the most popular airlines for this route: American Airlines, Air Canada or Delta.

What are the cheapest flights from St. Louis to Seoul?

While on average a flight from St. Louis to Seoul is generally $4,861, our data shows the cheapest flight currently is $803. When looking at the most popular route, (Lambert-St Louis - Incheon Intl), you can expect to pay $1,006 for that flight.

Alternative routes for St. Louis to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Incheonfrom $1,120 pp
Kansas City to Busanfrom $1,648 pp

Top 4 airlines flying from St. Louis to Seoul

The chart below displays the airlines Cheapflights users traveling from St. Louis to Seoul choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapest$612Average$1,336FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Air CanadaCheapest$838Average$1,009FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
DeltaCheapest$1,027Average$1,324FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Korean AirCheapest$1,129Average$1,434FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Korean Air flights