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Cheap flights from Incheon Intl Airport to St. Louis from $494

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to St. Louis departing on 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Incheon Intl Airport to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Incheon Intl Airport to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Incheon Intl Airport to St. Louis.

Cheap last minute flights

Planning a quick getaway from Incheon Intl Airport to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Incheon Intl Airport to St. Louis

Find recent round-trip train or bus tickets from Incheon Intl Airport to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
12:45 pm - 6:09 pmICN-STL
20h 24m1 stop
9:00 am - 5:40 amSTL-ICN
29h 40m1 stop
$829United Airlines
Find Deal
man., feb. 3 - fre., feb. 21
6:50 pm - 10:56 pmICN-STL
19h 06m1 stop
3:10 pm - 4:45 pmSTL-ICN
34h 35m2 stops
$875American Airlines
Find Deal
lør., feb. 8 - ons., feb. 12
6:50 pm - 10:56 pmICN-STL
19h 06m1 stop
7:00 am - 4:45 pmSTL-ICN
18h 45m1 stop
$880American Airlines
Find Deal
lør., feb. 8 - ons., feb. 12
5:45 pm - 2:59 pmICN-STL
35h 14m2 stops
3:50 pm - 4:05 pmSTL-ICN
34h 15m2 stops
$963Air Canada
Find Deal
tor., apr. 10 - søn., apr. 13
7:05 pm - 2:59 pmICN-STL
33h 54m1 stop
3:50 pm - 4:05 pmSTL-ICN
34h 15m2 stops
$977Air Canada
Find Deal
tor., apr. 10 - søn., apr. 13
7:25 pm - 9:22 amICN-STL
28h 57m1 stop
10:22 am - 3:30 pmSTL-ICN
38h 08m1 stop
$1,660Delta
Find Deal
lør., jan. 18 - lør., feb. 1
7:25 pm - 11:37 pmICN-STL
19h 12m1 stop
6:00 am - 3:30 pmSTL-ICN
18h 30m1 stop
$1,708
Find Deal
lør., jan. 18 - fre., jan. 31
8:40 pm - 1:53 pmICN-STL
32h 13m2 stops
7:00 am - 5:55 pmSTL-ICN
19h 55m1 stop
$1,810
Find Deal
man., jan. 13 - fre., jan. 17
7:30 pm - 11:14 pmICN-STL
18h 44m1 stop
6:00 am - 3:30 pmSTL-ICN
18h 30m1 stop
$1,820Korean Air
Find Deal
man., jan. 13 - fre., jan. 17
7:25 pm - 11:37 pmICN-STL
19h 12m1 stop
6:00 am - 3:30 pmSTL-ICN
18h 30m1 stop
$2,041Korean Air
Find Deal
tir., jan. 7 - ons., jan. 15
6:50 pm - 10:43 pmICN-STL
18h 53m1 stop
$494American Airlines
Find Deal
fre., feb. 14
6:50 pm - 11:56 pmICN-STL
20h 06m2 stops
$498American Airlines
Find Deal
fre., feb. 14
8:45 am - 9:16 amICN-STL
39h 31m3 stops
fre., feb. 14
1:15 am - 6:05 pmICN-STL
31h 50m3 stops
$1,144
Find Deal
tor., feb. 13
12:20 am - 7:29 pmICN-STL
34h 09m2 stops
$1,188Qatar Airways
Find Deal
tor., feb. 13
10:10 am - 11:11 pmICN-STL
27h 01m2 stops
$2,459Japan Airlines
Find Deal
tor., maj 15
6:15 pm - 11:56 pmICN-STL
19h 41m1 stop
$2,529
Find Deal
tor., maj 15
1:00 pm - 11:56 pmICN-STL
24h 56m2 stops
$2,891Japan Airlines
Find Deal
ons., maj 14
4:00 pm - 12:37 amICN-STL
22h 37m2 stops
$3,158Delta
Find Deal
fre., maj 16
1:20 am - 11:23 pmICN-STL
36h 03m2 stops
$4,263Qatar Airways
Find Deal
søn., maj 11

United Airlines flights from Incheon Intl Airport to St. Louis

Our best United Airlines deals on Incheon Intl Airport to St. Louis flight tickets
United Airlines
Feb 3
ICN12:45 pmIncheon Intl
20h 24m
1 stop
STL6:09 pmLambert-St Louis
Feb 21
STL9:00 amLambert-St Louis
29h 40m
1 stop
ICN5:40 amIncheon Intl
United Airlines
Feb 3
ICN12:45 pmIncheon Intl
22h 58m
2 stops
STL8:43 pmLambert-St Louis
Feb 21
STL1:39 pmLambert-St Louis
25h 01m
2 stops
ICN5:40 amIncheon Intl
United Airlines
Jan 18
ICN6:00 pmIncheon Intl
37h 31m
2 stops
STL4:31 pmLambert-St Louis
Jan 31
STL7:00 amLambert-St Louis
31h 40m
1 stop
ICN5:40 amIncheon Intl

American Airlines flights from Incheon Intl Airport to St. Louis

Our best American Airlines deals on Incheon Intl Airport to St. Louis flight tickets
American Airlines
Feb 8
ICN6:50 pmIncheon Intl
19h 06m
1 stop
STL10:56 pmLambert-St Louis
Feb 12
STL3:10 pmLambert-St Louis
34h 35m
2 stops
ICN4:45 pmIncheon Intl
American Airlines
Feb 8
ICN6:50 pmIncheon Intl
19h 06m
1 stop
STL10:56 pmLambert-St Louis
Feb 12
STL7:00 amLambert-St Louis
18h 45m
1 stop
ICN4:45 pmIncheon Intl

See travel insights to St. Louis from

How to get the cheapest flight ticket from Incheon Intl Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $1,203. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,719. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Incheon Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,112 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,719 per ticket.

When to book flights from Incheon Intl Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Incheon Intl Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Incheon Intl Airport to St. Louis (ICN to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to St. Louis

Best Price Found

$494

Fastest flight time

18h 44m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Incheon Intl Airport in the past 72 hours is $494. The best round-trip flight deal from Incheon Intl Airport to St. Louis found on momondo in the last 72 hours is $829.
The fastest flight from Incheon Intl Airport to St. Louis takes 18h 44m
There are no direct flights from Incheon Intl Airport to St. Louis. Popular non-direct route for this connection is Incheon Intl Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Incheon Intl to Lambert-St Louis by plane?

    Lambert-St Louis is 6682.0 mi away from Incheon Intl. By plane, this route typically takes 18h 44m.

  • When did momondo last update prices for flights from Incheon Intl Airport to Lambert-St Louis Airport?

    Prices for flights from Incheon Intl Airport to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from Incheon Intl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Incheon Intl Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Incheon Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Incheon Intl Airport to St. Louis?


Best airlines flying from Incheon Intl Airport to St. Louis

Compare and see reviews for airlines that fly from Incheon Intl Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $941Free CancellationRating
8.0
8,594 reviews
Search Delta flights
Korean AirPriceFrom $1,362Free CancellationRating
8.4
1,025 reviews
Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Seoul.

Can I find flights from Seoul to St. Louis with flexible booking policies on momondo?

Flights from Seoul to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to St. Louis?

Once you have performed a search for Seoul to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seoul to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seoul to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.


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