Cheap flights to St. Louis County

View €79 flight on Mon, 9 Feb 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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Cheap round-trip flights to St. Louis County

Prices were available within the past 7 days and start at €79 for one-way flights and €161 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southern Airways Express
Mon, 9 Feb - Mon, 16 Feb
BNA
Nashville
STL
St. Louis
€161 Return, found 17 hours ago
€161
Return
found 17 hours ago
Select Southern Airways Express flight, departing Mon, 9 Feb from Nashville to St. Louis, returning Mon, 16 Feb, priced at €161 found 17 hours ago
Delta
Thu, 19 Feb - Mon, 23 Feb
BNA
Nashville
STL
St. Louis
€173 Return, found 1 day ago
€173
Return
found 1 day ago
Select Delta flight, departing Thu, 19 Feb from Nashville to St. Louis, returning Mon, 23 Feb, priced at €173 found 1 day ago
United
Thu, 19 Feb - Mon, 23 Feb
BNA
Nashville
STL
St. Louis
€232 Return, found 1 day ago
€232
Return
found 1 day ago
Select United flight, departing Thu, 19 Feb from Nashville to St. Louis, returning Mon, 23 Feb, priced at €232 found 1 day ago
American Airlines
Mon, 9 Feb - Mon, 16 Feb
BNA
Nashville
STL
St. Louis
€246 Return, found 17 hours ago
€246
Return
found 17 hours ago
Select American Airlines flight, departing Mon, 9 Feb from Nashville to St. Louis, returning Mon, 16 Feb, priced at €246 found 17 hours ago
American Airlines
Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€262 Return, found 9 hours ago
€262
Return
found 9 hours ago
Select American Airlines flight, departing Sat, 17 Jan from Boston to St. Louis, returning Sun, 18 Jan, priced at €262 found 9 hours ago
American Airlines
Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€287 Return, found 9 hours ago
€287
Return
found 9 hours ago
Select American Airlines flight, departing Sat, 17 Jan from Boston to St. Louis, returning Sun, 18 Jan, priced at €287 found 9 hours ago
American Airlines
Sat, 7 Feb - Sat, 14 Feb
LAX
Los Angeles
STL
St. Louis
€295 Return, found 6 days ago
€295
Return
found 6 days ago
Select American Airlines flight, departing Sat, 7 Feb from Los Angeles to St. Louis, returning Sat, 14 Feb, priced at €295 found 6 days ago
British Airways
Fri, 16 Jan - Fri, 30 Jan
FRA
Frankfurt
STL
St. Louis
€537 Return, found 14 hours ago
€537
Return
found 14 hours ago
Select British Airways flight, departing Fri, 16 Jan from Frankfurt to St. Louis, returning Fri, 30 Jan, priced at €537 found 14 hours ago
Iberia
Fri, 24 Apr - Sat, 2 May
FRA
Frankfurt
STL
St. Louis
€567 Return, found 13 hours ago
€567
Return
found 13 hours ago
Select Iberia flight, departing Fri, 24 Apr from Frankfurt to St. Louis, returning Sat, 2 May, priced at €567 found 13 hours ago
Lufthansa
Fri, 16 Jan - Fri, 30 Jan
FRA
Frankfurt
STL
St. Louis
€603 Return, found 14 hours ago
€603
Return
found 14 hours ago
Select Lufthansa flight, departing Fri, 16 Jan from Frankfurt to St. Louis, returning Fri, 30 Jan, priced at €603 found 14 hours ago

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.

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, €161 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 €161 and €722. Many lucky holiday makers nabbed one-way flights from Nashville (BNA) for as low as €79.
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 €161 and €722. 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, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Tue, 5 May - Tue, 12 May
DUB
Dublin
STL
St. Louis
€722 Return, found 5 days ago
€722
Return
found 5 days ago
Select Aer Lingus flight, departing Tue, 5 May from Dublin to St. Louis, returning Tue, 12 May, priced at €722 found 5 days ago
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