Cheap flights from St. Louis to South Korea from $563
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to South Korea departing on 7/3. 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 St. Louis to South Korea
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 month to fly to South Korea?
If you aren’t able to travel to South Korea during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $931.
What is the cheapest day to depart on your flight to South Korea?
On average, the least expensive day to fly to South Korea from St. Louis is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,367. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to South Korea for around $1,713.
What is the cheapest time of day to depart on your flight to South Korea?
Flying to South Korea from St. Louis in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,290 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,673 on average. Flights to South Korea from St. Louis in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to South Korea?
You are more likely to see cheaper flights to South Korea from St. Louis when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,379 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from St. Louis for as low as $1,099 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to South Korea?
United Airlines, WestJet, and Air Canada are the most popular carriers operating from Lambert-St Louis to South Korea
What airlines fly to South Korea?
Air Canada, Delta and American Airlines are the top three most popular airlines that fly to South Korea from St. Louis according to our data. Air Canada is the first choice among our users, with 35% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 6 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.
Cheap St. Louis to South Korea flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to South Korea
When did momondo last update prices for flights from Lambert-St Louis Airport to South Korea?
Prices for flights from Lambert-St Louis Airport to South Korea were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to South Korea?
There are 6 operators available for flights from Lambert-St Louis Airport to South Korea as of April 2025.
How old do you have to be to fly from Lambert-St Louis Airport to South Korea?
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 Lambert-St Louis Airport to South Korea.
What documentation or ID do you need to fly to South Korea?
The necessary travel and health documents for your South Korea trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from St. Louis to South Korea
Compare and see reviews for airlines that fly from St. Louis to South Korea with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $799 | Free Cancellation | Rating 7.0 9,245 reviews | |||
| PriceFrom $902 | Free Cancellation | Rating 8.0 7,936 reviews | |||
| PriceFrom $902 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $996 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,080 | Free Cancellation | Rating 8.4 1,069 reviews | |||
| PriceFrom $1,479 | Free Cancellation | Rating 8.3 1,464 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to South Korea?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to South Korea. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from St. Louis to South Korea with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to South Korea from St. Louis with this policy.
How can momondo help me find flights from St. Louis to South Korea?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to South Korea.
I’m not ready to book a flight from St. Louis to South Korea right now. Can momondo alert me if prices change?
Price alerts on flights to South Korea from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.