Most accurate provider | AranGrant 3 stars |
---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $1,004 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $1,162 |
Fly from
Fly to
Route
Depart
Return
Price
St. LouisIncheon
STL - ICN
STLICN
Lambert-St Louis
Thu 9/25
5:43 pm-4:20 am
1 stop20h 37m
Incheon Intl
Thu 10/30
11:45 am-5:03 pm
1 stop19h 18m
St. LouisIncheon
STL - ICN
STLICN
Lambert-St Louis
Wed 10/1
8:50 am-6:45 pm
2 stops19h 55m
Incheon Intl
Mon 10/6
8:45 pm-12:25 pm
2 stops29h 40m
St. LouisIncheon
STL - ICN
STLICN
Lambert-St Louis
Mon 9/1
7:36 pm-11:00 am
2 stops25h 24m
Incheon Intl
Tue 9/30
7:45 pm-2:17 pm
2 stops32h 32m
St. LouisIncheon
STL - ICN
STLICN
Lambert-St Louis
Fri 5/2
7:35 am-12:40 pm
2 stops39h 05m
Incheon Intl
Mon 5/12
3:10 pm-11:04 pm
2 stops45h 54m
St. LouisIncheon
STL - ICN
STLICN
Lambert-St Louis
Wed 10/1
9:15 am-5:30 pm
1 stop18h 15m
Incheon Intl
Mon 10/6
7:05 pm-7:33 pm
1 stop38h 28m
St. LouisIncheon
STL - ICN
STLICN
Lambert-St Louis
Fri 5/2
6:50 am-4:25 pm
1 stop19h 35m
Incheon Intl
Mon 5/12
4:25 pm-11:38 pm
1 stop21h 13m
St. LouisIncheon
STL - ICN
STLICN
Lambert-St Louis
Thu 9/25
4:17 pm-5:05 pm
2 stops34h 48m
Incheon Intl
Wed 10/29
12:20 am-11:56 pm
2 stops37h 36m
St. LouisIncheon
STL - ICN
STLICN
Lambert-St Louis
Mon 6/30
12:28 pm-11:20 am
2 stops32h 52m
Incheon Intl
Sun 7/13
9:50 pm-6:33 pm
2 stops34h 43m
St. LouisIncheon
STL - ICN
STLICN
Lambert-St Louis
Fri 6/13
11:17 am-5:20 pm
1 stop16h 03m
Incheon Intl
Tue 7/22
7:40 pm-12:38 am
1 stop18h 58m
St. LouisIncheon
STL - ICN
STLICN
Lambert-St Louis
Sat 7/12
7:32 pm-7:00 pm
2 stops33h 28m
Incheon Intl
Mon 7/14
9:25 pm-11:59 pm
2 stops40h 34m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
Booking 9 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from St. Louis to Incheon Intl Airport (average of $1,001). Flying from St. Louis to Incheon Intl Airport in June is currently the most expensive (average of $1,650). 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.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Incheon Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight at noon.
In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.
If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$799 | Average$1,076 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$902 | Average$1,682 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$902 | Average$1,532 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$996 | Average$1,637 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$1,080 | Average$1,889 | FlexibilityNo cancel fee | On-time81% |