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C$719 Cheap Flights from Seoul (SELA) to St Louis (STL)

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Flight deals from Seoul to St Louis

Looking for a cheap last-minute deal or the best return flight from Seoul to St Louis Airport? If you want to travel next month, return fares start from C$1,885. Find the lowest prices on one-way and return tickets right here.
St Louis.C$719 per passenger.Departing Mon., Aug. 24.One-way flight with Peach.Outbound indirect flight with Peach, departs from Incheon International on Mon., Aug. 24, arriving in St Louis.Price includes taxes and charges.From C$719, select.
St Louis.C$862 per passenger.Departing Tue., Sep. 15.One-way flight with Zipair.Outbound indirect flight with Zipair, departs from Incheon International on Tue., Sep. 15, arriving in St Louis.Price includes taxes and charges.From C$862, select.
St Louis.C$909 per passenger.Departing Fri., Oct. 16.One-way flight with Xiamen Airlines.Outbound indirect flight with Xiamen Airlines, departs from Incheon International on Fri., Oct. 16, arriving in St Louis.Price includes taxes and charges.From C$909, select.
St Louis.C$1,015 per passenger.Departing Thu., Nov. 5.One-way flight with Xiamen Airlines.Outbound indirect flight with Xiamen Airlines, departs from Incheon International on Thu., Nov. 5, arriving in St Louis.Price includes taxes and charges.From C$1,015, select.
St Louis.C$1,164 per passenger.Departing Tue., Jun. 23.One-way flight with EVA Air.Outbound indirect flight with EVA Air, departs from Incheon International on Tue., Jun. 23, arriving in St Louis.Price includes taxes and charges.From C$1,164, select.
St Louis.C$1,183 per passenger.Departing Wed., Jul. 1.One-way flight with Hong Kong Airlines.Outbound indirect flight with Hong Kong Airlines, departs from Incheon International on Wed., Jul. 1, arriving in St Louis.Price includes taxes and charges.From C$1,183, select.
St Louis.C$1,189 per passenger.Departing Mon., Feb. 15.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Mon., Feb. 15, arriving in St Louis.Price includes taxes and charges.From C$1,189, select.
St Louis.C$1,249 per passenger.Departing Sat., Jan. 23.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Sat., Jan. 23, arriving in St Louis.Price includes taxes and charges.From C$1,249, select.
St Louis.C$1,282 per passenger.Departing Mon., Apr. 5.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Mon., Apr. 5, arriving in St Louis.Price includes taxes and charges.From C$1,282, select.
St Louis.C$1,386 per passenger.Departing Sat., Dec. 26.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Sat., Dec. 26, arriving in St Louis.Price includes taxes and charges.From C$1,386, select.

Find the cheapest month to fly from Seoul to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seoul to St Louis flights are currently cheapest in August.
Jun.
from C$1,164
Jul.
from C$1,183
Aug.
from C$719
Sep.
from C$862
Oct.
from C$909
Nov.
from C$1,015
Dec.
from C$1,386
Jan.
from C$1,249
Feb.
from C$1,189
Mar.
Find prices
Apr.
from C$1,282
May
Find prices

Seoul to St Louis: Alternative routes

Compare routes from Seoul to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

St Louis

20km from central St Louis
ClosestCheapest
from C$719
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Belleville

32km from central St Louis
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Sparta Community

69km from central St Louis
Search flights

Seoul to St Louis: Flight information

The things to know before you go.
Cheapest flight foundC$719
Cheapest month to flyAugust

Finding cheap flights from Seoul to St Louis: Frequently asked questions

The best price we found for a return flight from Seoul to St Louis is C$1,708. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seoul to St Louis. But we found flights with one stop from C$1,705.
As of June 2026, there are no flights flying from Seoul to St Louis.
The cheapest month to fly from Seoul to St Louis is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to St Louis Airport on Thursday, July 23, 2026.
No airlines currently offer direct flights between Seoul and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to St Louis is Hong Kong Airlines .

Flying from Seoul to Lambert-St. Louis International Airport (STL): what you need to know

  • There are two main airports you can fly out of in Seoul. Explore your options leaving from Incheon International Airport (ICN) or Gimpo International Airport (GMP) when searching for a flight from Seoul to Lambert-St. Louis International Airport (STL).

  • Lambert-St. Louis International Airport is located in St Louis. The city operates in the UTC-5 timezone and is 14 hours behind Seoul.

  • Give yourself plenty of time to get on your flight from Seoul to STL. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience bigger queues during popular months like July and other peak seasons. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you plenty of time for security and boarding.

Gimpo International Airport (GMP)

  • Get the most out of your vacation with a stopover on your flight from Seoul to Lambert-St. Louis International Airport. Visit friends or family or tick another city off your bucket list. Whatever you decide to do, check out these stops between Gimpo International Airport and STL:

    • Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

    • O'Hare International Airport (ORD)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

  • From central Seoul, GMP is around 16 kilometres away. When planning the best way to get there, find out whether public transport is available or if it's more convenient to drive.

  • Get a head start on your vacation with an additional night away from home. Before catching your flight from Seoul to STL, take things easy in one of these hotels close to Gimpo International Airport:

About Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • From Lambert-St. Louis International Airport, St Louis is approximately 26 kilometres away. It takes around 21 minutes to get to the centre driving.

  • Getting there on public transport will take you roughly 36 minutes.

How to find the cheapest flights from Seoul to Lambert-St. Louis International Airport (STL)

  • Pick up a one-way ticket from Seoul to Lambert-St. Louis International Airport from C$719 or travel return from just C$1,705. Prices are accurate at the time of listing and may change based on availability when you book.

  • To pick up flight tickets from Seoul to STL, book early. Airlines tend to offer their best fares when flights are first released.

  • Finding flight tickets from Seoul to Lambert-St. Louis International Airport is easier if you can be flexible with your dates. Use the 'Whole month' search tool to see the lowest prices across each month and land a great deal.

  • Set up a Price Alert and track any changes on this route through push notifications or email. You'll be the first to know when prices drop. Timing is key when finding flight tickets from Seoul to STL.

  • Take advantage of the filters to find your ideal journey. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Seoul to Lambert-St. Louis International Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

The best time to fly from Seoul to Lambert-St. Louis International Airport (STL)

  • July is the busiest month to catch a flight from Seoul to Lambert-St. Louis International Airport while April is the quietest. To work out the ideal time to go to St Louis, consider whether you prefer a lively vibe or a quieter pace.

  • The warmest month in St Louis is July, with the temperature ranging between 17ºC and 33ºC. Book your flights from Seoul to STL in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between -8ºC and 7ºC. Look for cheap flights from Seoul to Lambert-St. Louis International Airport around that time if you like travelling in cooler conditions.

More about St Louis

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in St Louis right here. Browse these hotels once you've booked your flight from Seoul to Lambert-St. Louis International Airport:

  • The Gateway Arch and Forest Park are just a couple of the big attractions to put on your St Louis travel itinerary. Keep the adventure rolling by checking out St. Louis Zoo.

Complete your St Louis trip with a car rental

  • We use the same magic that helped you find your cheap flight from Seoul to Lambert-St. Louis International Airport to track down your perfect ride. Browse our car rentals in St Louis and easily compare your options. Plus you'll find all the info you need to know, from the most popular rental company to the best time to book.

Plan the rest of your trip from Seoul to St Louis

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.