Flight Destinations in St. Louis County

View ฿6,470 flight on Fri, 3 Jul 2026Opens in a new window

Popular airlines to St. Louis County

  • American Airlines

  • Delta

  • United

  • Frontier Airlines

  • Southwest Airlines

  • Alaska Airlines

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to St. Louis County

Prices were available within the past 7 days and start at ฿6,470 for one-way flights and ฿11,880 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 12 Aug - Sat, 29 Aug
LAX
Los Angeles
STL
St. Louis
฿11,880 Return, found 5 days ago
฿11,880
Return
found 5 days ago
Select United flight, departing Wed, 12 Aug from Los Angeles to St. Louis, returning Sat, 29 Aug, priced at ฿11,880 found 5 days ago
Delta
Fri, 3 Jul - Tue, 15 Sept
LAX
Los Angeles
STL
St. Louis
฿13,430 Return, found 5 days ago
฿13,430
Return
found 5 days ago
Select Delta flight, departing Fri, 3 Jul from Los Angeles to St. Louis, returning Tue, 15 Sept, priced at ฿13,430 found 5 days ago
Delta
Mon, 6 Jul - Wed, 16 Sept
LAX
Los Angeles
STL
St. Louis
฿13,500 Return, found 5 days ago
฿13,500
Return
found 5 days ago
Select Delta flight, departing Mon, 6 Jul from Los Angeles to St. Louis, returning Wed, 16 Sept, priced at ฿13,500 found 5 days ago
Delta
Tue, 7 Jul - Tue, 15 Sept
LAX
Los Angeles
STL
St. Louis
฿13,920 Return, found 5 days ago
฿13,920
Return
found 5 days ago
Select Delta flight, departing Tue, 7 Jul from Los Angeles to St. Louis, returning Tue, 15 Sept, priced at ฿13,920 found 5 days ago
Delta
Mon, 6 Jul - Wed, 16 Sept
LAX
Los Angeles
STL
St. Louis
฿14,090 Return, found 5 days ago
฿14,090
Return
found 5 days ago
Select Delta flight, departing Mon, 6 Jul from Los Angeles to St. Louis, returning Wed, 16 Sept, priced at ฿14,090 found 5 days ago
American Airlines
Tue, 7 Jul - Wed, 8 Jul
LAX
Los Angeles
STL
St. Louis
฿15,705 Return, found 5 days ago
฿15,705
Return
found 5 days ago
Select American Airlines flight, departing Tue, 7 Jul from Los Angeles to St. Louis, returning Wed, 8 Jul, priced at ฿15,705 found 5 days ago
Qatar Airways
Sun, 17 May - Wed, 12 Aug
AUH
Abu Dhabi
STL
St. Louis
฿38,310 Return, found 1 day ago
฿38,310
Return
found 1 day ago
Select Qatar Airways flight, departing Sun, 17 May from Abu Dhabi to St. Louis, returning Wed, 12 Aug, priced at ฿38,310 found 1 day ago
Air Canada
Tue, 16 Jun - Thu, 10 Sept
BKK
Bangkok
STL
St. Louis
฿39,035 Return, found 2 days ago
฿39,035
Return
found 2 days ago
Select Air Canada flight, departing Tue, 16 Jun from Bangkok to St. Louis, returning Thu, 10 Sept, priced at ฿39,035 found 2 days ago
Qatar Airways
Wed, 20 May - Mon, 17 Aug
DXB
Dubai
STL
St. Louis
฿40,750 Return, found 23 hours ago
฿40,750
Return
found 23 hours ago
Select Qatar Airways flight, departing Wed, 20 May from Dubai to St. Louis, returning Mon, 17 Aug, priced at ฿40,750 found 23 hours ago
Qatar Airways
Sun, 17 May - Wed, 12 Aug
AUH
Abu Dhabi
STL
St. Louis
฿40,750 Return, found 1 day ago
฿40,750
Return
found 1 day ago
Select Qatar Airways flight, departing Sun, 17 May from Abu Dhabi to St. Louis, returning Wed, 12 Aug, priced at ฿40,750 found 1 day ago

Trending flights to St. Louis County

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

Air Canada
Tue, 16 Jun - Thu, 10 Sept
BKK
Bangkok
STL
St. Louis
฿39,035 Return, found 2 days ago
฿39,035
Return
found 2 days ago
Select Air Canada flight, departing Tue, 16 Jun from Bangkok to St. Louis, returning Thu, 10 Sept, priced at ฿39,035 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 travelling 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, ฿11,880 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 ฿11,880 and ฿40,750. Many lucky holiday makers nabbed one-way flights from Los Angeles (LAX) for as low as ฿6,470.
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.
How much is a plane ticket to St. Louis County?
In the last seven days, flights to St. Louis County cost between ฿11,880 and ฿40,750. 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.

Book with confidence

About St. Louis County

Expedia offers flights to St. Louis County to meet every traveller'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.
About St. Louis County
*Available to Expedia members.