Cheap Flights to St. Louis County from ₩203,900

Popular airlines to St. Louis County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier 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 ₩203,900 for one-way flights and ₩403,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Nov 9 - Wed, Dec 3
ONT
Ontario
STL
St. Louis
₩403,400 Roundtrip, found 3 hours ago
₩403,400
Roundtrip
found 3 hours ago
Select Delta flight, departing Sun, Nov 9 from Ontario to St. Louis, returning Wed, Dec 3, priced at ₩403,400 found 3 hours ago
Delta
Wed, Oct 15 - Wed, Oct 22
ONT
Ontario
STL
St. Louis
₩407,700 Roundtrip, found 2 days ago
₩407,700
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 15 from Ontario to St. Louis, returning Wed, Oct 22, priced at ₩407,700 found 2 days ago
Delta
Tue, Nov 18 - Wed, Nov 19
ONT
Ontario
STL
St. Louis
₩408,300 Roundtrip, found 1 day ago
₩408,300
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 18 from Ontario to St. Louis, returning Wed, Nov 19, priced at ₩408,300 found 1 day ago
Delta
Wed, Oct 15 - Wed, Oct 22
LAX
Los Angeles
STL
St. Louis
₩413,200 Roundtrip, found 2 days ago
₩413,200
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 15 from Los Angeles to St. Louis, returning Wed, Oct 22, priced at ₩413,200 found 2 days ago
Hawaiian Airlines
Wed, Oct 8 - Wed, Oct 15
LAX
Los Angeles
STL
St. Louis
₩460,100 Roundtrip, found 2 days ago
₩460,100
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Oct 8 from Los Angeles to St. Louis, returning Wed, Oct 15, priced at ₩460,100 found 2 days ago
American Airlines
Tue, Nov 18 - Wed, Nov 19
LAX
Los Angeles
STL
St. Louis
₩512,300 Roundtrip, found 1 day ago
₩512,300
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 18 from Los Angeles to St. Louis, returning Wed, Nov 19, priced at ₩512,300 found 1 day ago
Delta
Mon, Nov 10 - Tue, Nov 11
LAS
Las Vegas
STL
St. Louis
₩528,000 Roundtrip, found 1 day ago
₩528,000
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 10 from Las Vegas to St. Louis, returning Tue, Nov 11, priced at ₩528,000 found 1 day ago
United
Tue, Nov 18 - Wed, Nov 19
ONT
Ontario
STL
St. Louis
₩533,900 Roundtrip, found 1 day ago
₩533,900
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 18 from Ontario to St. Louis, returning Wed, Nov 19, priced at ₩533,900 found 1 day ago
Delta
Thu, Feb 12 - Wed, Feb 18
YYZ
Toronto
STL
St. Louis
₩680,800 Roundtrip, found 21 hours ago
₩680,800
Roundtrip
found 21 hours ago
Select Delta flight, departing Thu, Feb 12 from Toronto to St. Louis, returning Wed, Feb 18, priced at ₩680,800 found 21 hours ago
Air Canada
Thu, Feb 12 - Wed, Feb 18
YYZ
Toronto
STL
St. Louis
₩695,500 Roundtrip, found 21 hours ago
₩695,500
Roundtrip
found 21 hours ago
Select Air Canada flight, departing Thu, Feb 12 from Toronto to St. Louis, returning Wed, Feb 18, priced at ₩695,500 found 21 hours ago

About St. Louis County

Expedia offers flights to St. Louis County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to St. Louis County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

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, ₩403,400 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 ₩403,400 and ₩840,500. Many lucky vacationers nabbed one-way flights from Ontario (ONT) for as low as ₩203,900.
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 ₩403,400 and ₩840,500. 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.

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.

American Airlines
Mon, Oct 13 - Mon, Oct 20
ICN
Seoul
STL
St. Louis
₩840,500 Roundtrip, found 5 hours ago
₩840,500
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Mon, Oct 13 from Seoul to St. Louis, returning Mon, Oct 20, priced at ₩840,500 found 5 hours ago
*Available to Expedia members.