Cheap flights from St. Louis (STL) to Incheon (ICN)

STL — ICN
Sep 27 — Oct 41

The best prices from Lambert-St Louis to Incheon Intl are usually found in February or October, booked 14 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

How to find the cheapest flight from St. Louis (STL) to Incheon (ICN)

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

STL - ICN

Price

$1,047 - $2,281

ICN

Temperature

28.4 - 77 °F

ICN

Rainfall

0.8 - 10.2 inches

Popular inJuneHigh demand for flights, 38% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 25% potential price drop
Round-trip from$1,047From Lambert-St Louis to Incheon Intl
One-way from$816One-way flight from Lambert-St Louis to Incheon Intl

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

Sunday flights are found to be more expensive to fly from St. Louis to Incheon. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Incheon.

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

Our data shows that February tends to be the cheapest month to fly to Incheon 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 Incheon (STL - ICN)?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Incheon in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight at noon.

Cheap flights from St. Louis to Incheon in September, October 2022

The best prices found for STL to ICN flights for September, October
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 9/20/22

Oct 16 - Oct 25
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

21h 12m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

27h 45m
$1,228

Delta

Pick Dates

Deal found 9/20/22

Sep 22 - Oct 8
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

19h 55m
ICN

Incheon Intl

STL

Lambert-St Louis

1 stop

17h 32m
$1,244

Delta

Pick Dates

Deal found 9/19/22

St. Louis to Incheon 2022 flight deals

Cheap flights to Incheon from St. Louis found for this year
Nov 16 - Nov 24
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

17h 55m
ICN

Incheon Intl

STL

Lambert-St Louis

1 stop

38h 37m
$966

Air Canada

Pick Dates

Deal found 9/19/22

Nov 16 - Nov 24
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

40h 45m
ICN

Incheon Intl

STL

Lambert-St Louis

1 stop

38h 37m
$1,078

Air Canada

Pick Dates

Deal found 9/19/22

Nov 20 - Nov 26
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

40h 45m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

25h 47m
$1,150

Multiple Airlines

Pick Dates

Deal found 9/20/22

Cheap American Airlines flights from St. Louis to Incheon

Nov 30 - Dec 19
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

18h 15m
ICN

Incheon Intl

STL

Lambert-St Louis

1 stop

17h 37m
$1,264

American Airlines

Pick Dates

Deal found 9/22/22

Nov 21 - Nov 28
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

18h 15m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

32h 55m
$1,267

American Airlines

Pick Dates

Deal found 9/21/22

Jan 3 - Jan 27
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

32h 33m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

32h 26m
$1,279

American Airlines

Pick Dates

Deal found 9/20/22

Cheap Air Canada flights from St. Louis to Incheon

Mar 1 - Mar 12
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

35h 25m
ICN

Incheon Intl

STL

Lambert-St Louis

1 stop

16h 17m
$966

Air Canada

Pick Dates

Deal found 9/19/22

Mar 1 - Mar 29
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

34h 15m
ICN

Incheon Intl

STL

Lambert-St Louis

2 stops

34h 57m
$987

Air Canada

Pick Dates

Deal found 9/21/22

Mar 1 - Mar 10
STL

Lambert-St Louis

ICN

Incheon Intl

2 stops

34h 15m
ICN

Incheon Intl

STL

Lambert-St Louis

1 stop

33h 52m
$1,004

Air Canada

Pick Dates

Deal found 9/21/22

One-way flights to Incheon from St. Louis

The cheapest one-way flights from St. Louis to Incheon
Nov 1
STL

Lambert-St Louis

ICN

Incheon Intl

3 stops

41h 15m
$616

Multiple Airlines

Pick Dates

Deal found 9/19/22

Oct 19
STL

Lambert-St Louis

ICN

Incheon Intl

3 stops

28h 51m
$640

Multiple Airlines

Pick Dates

Deal found 9/19/22

Jan 18
STL

Lambert-St Louis

ICN

Incheon Intl

1 stop

35h 25m
$649

Air Canada

Pick Dates

Deal found 9/22/22

Related info for your journey

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

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

Due to the rapidly changing circumstances due to COVID-19, airlines like Korean Air, American Airlines, and Delta flying from Lambert-St Louis to Incheon Intl have implemented new flexible cancellation policies.

Can I find flights from St. Louis to Incheon for under $1,000 on Cheapflights?

Yes, there are multiple flights from St. Louis to Incheon for under $1,000. The cheapest flight booked recently is on Air Canada for just $966, but on average you can expect to pay $1,099.

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

Currently priced at $966, Air Canada will fly you from St. Louis to Incheon and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Finnair - these airlines can fly you to your destination from $1,224 and $1,238, respectively. You may be able to fly from St. Louis to Incheon for 31% less than the average price by searching for these airlines.

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

One-way options have recently been found by users for as low as $649 on Air Canada. Other airlines that offer cheap prices include Korean Air from $794 and American Airlines from $1,122 one-way.

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

The most popular airlines flying from St. Louis to Incheon are American Airlines, Air Canada and Delta. Something to consider prior to booking your flight.

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

On average you can expect to pay $4,825 for a flight from St. Louis to Incheon. The cheapest flight overall is $878 while the most popular route, (Lambert-St Louis - Incheon Intl) is currently priced at $1,036.

Flights to Incheon from St. Louis

Alternative routes for St. Louis to Incheon

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from St. Louis to Incheon

The chart below displays the airlines Cheapflights users traveling from St. Louis to Incheon 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$1,295FlexibilityNo 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