Cheap flights from South Korea to St. Louis from $567
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Korea to St. Louis departing on 11/12. 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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How to get the cheapest flight ticket from South Korea 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 South Korea 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.
Cheap South Korea to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from South Korea to St. Louis
When did momondo last update prices for flights from South Korea to Lambert-St Louis Airport?
Prices for flights from South Korea to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from South Korea to Lambert-St Louis Airport?
As of July 2025, there is 1 operator available to choose from for flights from South Korea to Lambert-St Louis Airport.
How old do you have to be to fly from South Korea to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Korea to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from South Korea to St. Louis
Compare and see reviews for airlines that fly from South Korea to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $687 | Free Cancellation | Rating 8.0 7,973 reviews |
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Why should I use momondo to find a flight deal from South Korea to St. Louis?
It is quick and easy to find South Korea to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.
Can I find flights from South Korea to St. Louis with flexible booking policies on momondo?
All flight searches from South Korea to St. Louis on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from South Korea to St. Louis?
momondo provides multiple filters to help you find the best flight to St. Louis from South Korea. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from South Korea to St. Louis right now. Can momondo alert me if prices change?
If you are not ready to book a flight from South Korea 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.