Cheap flights to St. Louis County

View €84 flight on Thu, 5 Mar 2026Opens in a new window

Popular airlines to St. Louis County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • 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 €84 for one-way flights and €208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 7 Mar - Mon, 9 Mar
DFW
Dallas
STL
St. Louis
€208 Return, found 5 days ago
€208
Return
found 5 days ago
Select American Airlines flight, departing Sat, 7 Mar from Dallas to St. Louis, returning Mon, 9 Mar, priced at €208 found 5 days ago
American Airlines
Sat, 7 Mar - Mon, 9 Mar
DFW
Dallas
STL
St. Louis
€217 Return, found 5 days ago
€217
Return
found 5 days ago
Select American Airlines flight, departing Sat, 7 Mar from Dallas to St. Louis, returning Mon, 9 Mar, priced at €217 found 5 days ago
American Airlines
Sat, 7 Mar - Mon, 9 Mar
DFW
Dallas
STL
St. Louis
€239 Return, found 5 days ago
€239
Return
found 5 days ago
Select American Airlines flight, departing Sat, 7 Mar from Dallas to St. Louis, returning Mon, 9 Mar, priced at €239 found 5 days ago
American Airlines
Thu, 5 Mar - Sun, 8 Mar
IAH
Houston
STL
St. Louis
€259 Return, found 6 days ago
€259
Return
found 6 days ago
Select American Airlines flight, departing Thu, 5 Mar from Houston to St. Louis, returning Sun, 8 Mar, priced at €259 found 6 days ago
American Airlines
Tue, 7 Apr - Sat, 16 May
IAH
Houston
STL
St. Louis
€269 Return, found 14 hours ago
€269
Return
found 14 hours ago
Select American Airlines flight, departing Tue, 7 Apr from Houston to St. Louis, returning Sat, 16 May, priced at €269 found 14 hours ago
American Airlines
Tue, 7 Apr - Sat, 16 May
IAH
Houston
STL
St. Louis
€273 Return, found 14 hours ago
€273
Return
found 14 hours ago
Select American Airlines flight, departing Tue, 7 Apr from Houston to St. Louis, returning Sat, 16 May, priced at €273 found 14 hours ago
Delta
Tue, 7 Apr - Sat, 16 May
IAH
Houston
STL
St. Louis
€278 Return, found 14 hours ago
€278
Return
found 14 hours ago
Select Delta flight, departing Tue, 7 Apr from Houston to St. Louis, returning Sat, 16 May, priced at €278 found 14 hours ago
United
Sat, 7 Mar - Mon, 9 Mar
DFW
Dallas
STL
St. Louis
€284 Return, found 5 days ago
€284
Return
found 5 days ago
Select United flight, departing Sat, 7 Mar from Dallas to St. Louis, returning Mon, 9 Mar, priced at €284 found 5 days ago
Air Canada
Thu, 26 Feb - Sun, 1 Mar
YHM
Hamilton
STL
St. Louis
€344 Return, found 15 hours ago
€344
Return
found 15 hours ago
Select Air Canada flight, departing Thu, 26 Feb from Hamilton to St. Louis, returning Sun, 1 Mar, priced at €344 found 15 hours ago
Aer Lingus
Tue, 21 Apr - Fri, 8 May
DUB
Dublin
STL
St. Louis
€640 Return, found 3 days ago
€640
Return
found 3 days ago
Select Aer Lingus flight, departing Tue, 21 Apr from Dublin to St. Louis, returning Fri, 8 May, priced at €640 found 3 days 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, €208 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 €208 and €640. Many lucky holiday makers nabbed one-way flights from Houston (IAH) for as low as €84.
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 €208 and €640. 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, 21 Apr - Fri, 8 May
DUB
Dublin
STL
St. Louis
€640 Return, found 3 days ago
€640
Return
found 3 days ago
Select Aer Lingus flight, departing Tue, 21 Apr from Dublin to St. Louis, returning Fri, 8 May, priced at €640 found 3 days ago
*Available to Expedia members.