Cheap Flights to St. Louis County from ₩200,600

View ₩200,600 flight on Thu, Jan 29, 2026Opens in a new window

Popular airlines to St. Louis County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

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How much is the cheapest flight to St. Louis County?

Prices were available within the past 7 days and start at ₩200,600 for one-way flights and ₩447,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Feb 7 - Sat, Feb 28
ONT
Ontario
STL
St. Louis
₩447,400 Roundtrip, found 5 days ago
₩447,400
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Feb 7 from Ontario to St. Louis, returning Sat, Feb 28, priced at ₩447,400 found 5 days ago
Delta
Sat, Feb 7 - Sat, Feb 28
LAX
Los Angeles
STL
St. Louis
₩456,100 Roundtrip, found 5 days ago
₩456,100
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Feb 7 from Los Angeles to St. Louis, returning Sat, Feb 28, priced at ₩456,100 found 5 days ago
Hawaiian Airlines
Sat, Feb 7 - Sat, Feb 28
LAX
Los Angeles
STL
St. Louis
₩476,100 Roundtrip, found 5 days ago
₩476,100
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 7 from Los Angeles to St. Louis, returning Sat, Feb 28, priced at ₩476,100 found 5 days ago
United
Sat, Feb 7 - Sat, Feb 28
LAX
Los Angeles
STL
St. Louis
₩586,400 Roundtrip, found 5 days ago
₩586,400
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 7 from Los Angeles to St. Louis, returning Sat, Feb 28, priced at ₩586,400 found 5 days ago
American Airlines
Sat, Feb 14 - Sat, Feb 21
ONT
Ontario
STL
St. Louis
₩608,400 Roundtrip, found 4 days ago
₩608,400
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Feb 14 from Ontario to St. Louis, returning Sat, Feb 21, priced at ₩608,400 found 4 days ago
American Airlines
Sat, Feb 14 - Sat, Feb 21
LAX
Los Angeles
STL
St. Louis
₩616,100 Roundtrip, found 4 days ago
₩616,100
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Feb 14 from Los Angeles to St. Louis, returning Sat, Feb 21, priced at ₩616,100 found 4 days ago
Delta
Sat, May 2 - Sat, Jun 13
IST
Istanbul
STL
St. Louis
₩1,091,300 Roundtrip, found 3 days ago
₩1,091,300
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, May 2 from Istanbul to St. Louis, returning Sat, Jun 13, priced at ₩1,091,300 found 3 days ago
Delta
Fri, Feb 20 - Thu, Feb 26
ICN
Seoul
STL
St. Louis
₩1,120,600 Roundtrip, found 2 days ago
₩1,120,600
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Feb 20 from Seoul to St. Louis, returning Thu, Feb 26, priced at ₩1,120,600 found 2 days ago
Korean Air
Fri, Feb 20 - Thu, Feb 26
ICN
Seoul
STL
St. Louis
₩1,220,600 Roundtrip, found 2 days ago
₩1,220,600
Roundtrip
found 2 days ago
Select Korean Air flight, departing Fri, Feb 20 from Seoul to St. Louis, returning Thu, Feb 26, priced at ₩1,220,600 found 2 days ago
Alaska Airlines
Mon, Mar 30 - Mon, Apr 13
ICN
Seoul
STL
St. Louis
₩1,439,000 Roundtrip, found 6 days ago
₩1,439,000
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Mar 30 from Seoul to St. Louis, returning Mon, Apr 13, priced at ₩1,439,000 found 6 days ago

Trending flights to St. Louis County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Feb 20 - Thu, Feb 26
ICN
Seoul
STL
St. Louis
₩1,120,600 Roundtrip, found 2 days ago
₩1,120,600
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Feb 20 from Seoul to St. Louis, returning Thu, Feb 26, priced at ₩1,120,600 found 2 days ago

Frequently asked questions

How do I find cheap flights to St. Louis County that have flexible change policies?
When it comes to traveling these days, flexibility is key. That's why we have a "No change fee" search function to help you track down cheap and flexible flights to St. Louis County. It's near the top left of your screen directly underneath the "Flexible change policies" heading.
Which airlines fly to St. Louis County?
When you're ready to lock in your seat to or near St. Louis County, these leading airlines are waiting to welcome you aboard:

  • Southwest Airlines - 2,214 flights to or near St. Louis County each month, including 2,214 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 789 flights to or near St. Louis County each month, including 789 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 650 flights to or near St. Louis County each month, including 650 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to St. Louis County?
An excellent strategy for scoring cheap fares is to be flexible with your travel dates. Begin with searching for your flight to St. Louis County, then click on the "flexible dates" box to see prices for nearby days. Want another good tip? Book ahead of time. To give you an idea of costs, ₩447,400 was the best price for a flight to St. Louis County in the last seven days.
How much is a flight to St. Louis County?
There were plenty of budget-friendly fares up for grabs in the last seven days, with the price of a return ticket to St. Louis County ranging between ₩447,400 and ₩1,439,000. Many lucky vacationers nabbed one-way flights from Ontario (ONT) for as low as ₩200,600.
What are the most popular airports to fly into in St. Louis County?
The principal gateway to St. Louis County, around 4,902 flights taxi into Lambert-St. Louis Intl. Airport (STL) each month. Search for an amazing deal, lock in your fare and get set to explore this fantastic region.
When is the cheapest time to fly to St. Louis County?
Leave for St. Louis County earlier in the week and you'll usually be rewarded with lower-priced fares. Tuesday is generally the cheapest day to jump on a plane, with Monday a close second. If you'd like to avoid the most expensive flights, stay away from Saturdays.
How much is a plane ticket to St. Louis County?
In the last seven days, flights to St. Louis County cost between ₩447,400 and ₩1,439,000. Prices depend on a number of things, particularly the departure time, airline, cabin class and how early you make your booking.
What months are the cheapest to book a flight to St. Louis County?
Reserve your ticket in February to enjoy the lowest-priced flights to St. Louis County. The festive month of December is usually the most expensive time to purchase an airfare.

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About St. Louis County

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