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

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The best prices from St Louis to Incheon are usually found in October or January, booked 48 days in advance, depart on a Sunday or Thursday and return on a Monday

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 2021: compare St Louis to Incheon flight prices with the expected peak season, weather and rainfall in Incheon.
STL - ICN
Price
$904 - $1,550
ICN
Temperature
35.6 - 84.2 °F
ICN
Rainfall
0.8 - 16.2 inches

Popular in

June

High demand for flights, 29% potential price rise

Cheapest in

October

Best time to find cheap flights, 18% potential price drop

Round-trip from

$904

From St Louis to Incheon

One-way from

$819

One-way flight from St Louis to Incheon

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St Louis to Incheon?

Flights from St Louis to Incheon are found to be more expensive on Thursday. 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.

How far in advance should I book a flight from St Louis to Incheon?

Users have found that booking a flight from St Louis to Incheon at least 61 days early can save you up to 39% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from St Louis to Incheon for as little as $1,193 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,211 for flights departing within the next 3 days.

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

The best pricing can be found in the month of April. Prices to Incheon from St Louis average $1,098. You can even find prices in April for less than $1,098, as users have found deals to Incheon from as low as $549. The month of June appears to be one of the more expensive times to travel to Incheon from St Louis. Flying in the targeted month can save you up to 46%.

When is the cheapest time to fly from St Louis to Incheon (STL - ICN)?

It’s typically best to fly out from St Louis to Incheon in the morning. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.

Cheap flights from St Louis to Incheon in May, June 2021

The best prices found for STL to ICN flights for May, June
28 Jun - 2 Aug
$1,346pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
28 Jun - 2 Aug
$1,412pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
30 Jun - 4 Aug
$1,428pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
United Airlines
   
2 STOPS
STL
Lambert-St Louis

St Louis to Incheon 2021 flight deals

Cheap flights to Incheon from St Louis found for this year
20 Nov - 27 Nov
$836pp
STL
Lambert-St Louis
Air Canada
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Air Canada
 
1 STOP
STL
Lambert-St Louis
6 Jul - 10 Aug
$1,244pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
6 Jul - 11 Aug
$1,245pp
STL
Lambert-St Louis
Korean Air
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Korean Air
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St Louis to Incheon

Late deals on round-trip flights to Incheon from St Louis, departing today and this week
20 May - 7 Jul
$1,575pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
20 May - 7 Jul
$1,578pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
American Airlines
   
2 STOPS
STL
Lambert-St Louis
20 May - 7 Jul
$1,650pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
United Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Incheon from St Louis

The cheapest one-way flights from St Louis to Incheon
12:40 pm - 12:00 am
Delta
1 Stop
21h 20m
STL - ICN
Delta
$820
Delta
12:26 pm - 11:15 am
American Airlines
2 Stops
32h 49m
STL - ICN
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St Louis</span> to <span class="emphasized">Incheon</span> flights.

Flight FAQs

From St Louis to Incheon

Are flight prices decreasing from St Louis to Incheon due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Incheon for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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 Delta, Air Canada, and Korean Air 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 $1,300 on Cheapflights?

Yes, there are multiple flights from St Louis to Incheon for under $1,300. The cheapest flight booked recently is on Multiple Airlines for just $1,244, but on average you can expect to pay $1,319.

Are there nonstop flights from St Louis to Incheon for under $1,200 on Cheapflights?

There are no nonstop flights from St Louis to Incheon, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Incheon for under $1,600?

There are currently 4+ open flights from St Louis to Incheon within the next 7 days for less than $1,600.

Does it rain more in St Louis or Incheon?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in St Louis is roughly similar to Incheon. You can assume this to be the case over the next 18 days.

Is St Louis weather warmer or cooler than Incheon?

Expect the weather to be around 90 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Incheon is generally colder than in St Louis.

How long is the flight from St Louis to Incheon?

A quick flight from St Louis to Incheon can take about 17h 45m. American Airlines provides one of the quickest options available for as low as $1,254. This flight may include one or multiple stops.

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

Korean Air, at $1,245, was found to be the cheapest airline from St Louis to Incheon.Alternate airlines to your destination round-trip include American Airlines and United Airlines.

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

The cheapest airlines for a one-way flight from St Louis to Incheon are American Airlines ($819) and Delta ($820).

Related searches

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Alternative routes for St Louis to Incheon

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Destination information for Incheon

Things to know before you go - useful duration and weather info for your trip from St Louis to Incheon.
Today's exchange rate
$1 = 1,114원
Average temperature for May in Incheon
71.6 °F
Avg rainfall for May in Incheon
4.4 ″

Airports servicing St. Louis

Airports servicing Incheon

Top 5 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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$825 $1,007 No cancel fee 69%
Delta
$902 $1,014 No cancel fee N/A
American Airlines
$821 $1,046 No cancel fee 71%
Air Canada
$810 $1,120 No cancel fee 67%
Korean Air
$887 $1,175 No cancel fee 81%
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