Cheap flights to St. Clair County

View €82 flight on Sat, 14 Feb 2026Opens in a new window

Popular airlines to St. Clair County

  • Aer Lingus

  • Lufthansa

  • British Airways

  • Turkish Airlines

  • American Airlines

  • Air Serbia

  • Swiss International Air Lines

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Cheap round-trip flights to St. Clair County

Prices were available within the past 7 days and start at €82 for one-way flights and €210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 14 Feb - Mon, 16 Feb
CLE
Cleveland
STL
St. Louis
€210 Return, found 8 hours ago
€210
Return
found 8 hours ago
Select American Airlines flight, departing Sat, 14 Feb from Cleveland to St. Louis, returning Mon, 16 Feb, priced at €210 found 8 hours ago
American Airlines
Sat, 7 Feb - Mon, 9 Feb
ORD
Chicago
STL
St. Louis
€222 Return, found 5 days ago
€222
Return
found 5 days ago
Select American Airlines flight, departing Sat, 7 Feb from Chicago to St. Louis, returning Mon, 9 Feb, priced at €222 found 5 days ago
Delta
Sat, 14 Mar - Mon, 16 Mar
ORD
Chicago
STL
St. Louis
€233 Return, found 15 hours ago
€233
Return
found 15 hours ago
Select Delta flight, departing Sat, 14 Mar from Chicago to St. Louis, returning Mon, 16 Mar, priced at €233 found 15 hours ago
Delta
Sat, 7 Feb - Mon, 9 Feb
MDW
Chicago
STL
St. Louis
€238 Return, found 5 days ago
€238
Return
found 5 days ago
Select Delta flight, departing Sat, 7 Feb from Chicago to St. Louis, returning Mon, 9 Feb, priced at €238 found 5 days ago
United
Sat, 14 Feb - Mon, 16 Feb
CLE
Cleveland
STL
St. Louis
€277 Return, found 8 hours ago
€277
Return
found 8 hours ago
Select United flight, departing Sat, 14 Feb from Cleveland to St. Louis, returning Mon, 16 Feb, priced at €277 found 8 hours ago
American Airlines
Fri, 6 Mar - Sat, 7 Mar
PHL
Philadelphia
STL
St. Louis
€344 Return, found 8 hours ago
€344
Return
found 8 hours ago
Select American Airlines flight, departing Fri, 6 Mar from Philadelphia to St. Louis, returning Sat, 7 Mar, priced at €344 found 8 hours ago
Aer Lingus
Wed, 22 Apr - Sun, 3 May
DUB
Dublin
STL
St. Louis
€542 Return, found 6 days ago
€542
Return
found 6 days ago
Select Aer Lingus flight, departing Wed, 22 Apr from Dublin to St. Louis, returning Sun, 3 May, priced at €542 found 6 days ago
British Airways
Thu, 5 Feb - Mon, 9 Feb
OTP
Bucharest
STL
St. Louis
€565 Return, found 1 day ago
€565
Return
found 1 day ago
Select British Airways flight, departing Thu, 5 Feb from Bucharest to St. Louis, returning Mon, 9 Feb, priced at €565 found 1 day ago
Air France
Wed, 4 Feb - Sun, 8 Feb
OTP
Bucharest
STL
St. Louis
€698 Return, found 3 days ago
€698
Return
found 3 days ago
Select Air France flight, departing Wed, 4 Feb from Bucharest to St. Louis, returning Sun, 8 Feb, priced at €698 found 3 days ago
KLM
Thu, 5 Feb - Mon, 9 Feb
OTP
Bucharest
STL
St. Louis
€699 Return, found 1 day ago
€699
Return
found 1 day ago
Select KLM flight, departing Thu, 5 Feb from Bucharest to St. Louis, returning Mon, 9 Feb, priced at €699 found 1 day ago

About St. Clair County

Expedia offers flights to St. Clair County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to St. Clair 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. Clair County that have flexible change policies?
When it comes to flying these days, flexibility is important. That's why we have a "No change fee" search function to help you track down flexible, low-priced flights to St. Clair County. It's on the left-hand side of your screen directly under the "Flexible change policies" subheading.
Which airlines fly to St. Clair County?
Let Allegiant Air take you there. This well-known carrier provides 125 services every month to MidAmerica-St. Louis Airport (BLV), a St. Clair County gateway.
How can I find cheap tickets to St. Clair County?
A good strategy for walking away with cheap airfares is to be flexible with your dates. Start by searching for your flight to St. Clair County, then click on the "flexible dates" link for a list of prices for nearby days. Another good tip? Book ahead of time. For an idea of fares, €210 was the best price for a flight to St. Clair County in the last seven days.
How much is a flight to St. Clair County?
In the last seven days, return flights to St. Clair County sold for as little as €210 and peaked at €699. For one-way trips taking off from Cleveland (CLE), the lowest amount paid during this time was just €82.
What are the most popular airports to fly into in St. Clair County?
Pack your bags and fly into MidAmerica-St. Louis Airport (BLV), St. Clair County's main flight hub. Book a ticket on one of the 125 flights that touch down at this well-known destination every month.
How much is a plane ticket to St. Clair County?
In the last seven days, seats ranged between €210 and €699. Swipe through our amazing deals to St. Clair County, pick your favourite and then get packing!
What is the best time to go to St. Clair County?
Mascoutah, St. Clair County's main city, is a terrific destination to explore at anytime. Don't like cold weather? Then journey here from June 20 onward in summer, when temperatures vary from 18ºC to 29ºC. March, May and June is when Mascoutah is really lively.
What months are the cheapest to book a flight to St. Clair County?
The ideal month to reserve a fabulous deal to St. Clair County is February, whereas prices are at their highest in December. Give this month a miss if you're counting your pennies.

Trending flights to St. Clair 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
Wed, 22 Apr - Sun, 3 May
DUB
Dublin
STL
St. Louis
€542 Return, found 6 days ago
€542
Return
found 6 days ago
Select Aer Lingus flight, departing Wed, 22 Apr from Dublin to St. Louis, returning Sun, 3 May, priced at €542 found 6 days ago
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