Cheap flights to St. Clair County

View €114 flight on Mon, 10 Aug 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 €114 for one-way flights and €227 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 6 Aug - Mon, 10 Aug
ORD
Chicago
STL
St. Louis
€227 Return, found 12 hours ago
€227
Return
found 12 hours ago
Select American Airlines flight, departing Thu, 6 Aug from Chicago to St. Louis, returning Mon, 10 Aug, priced at €227 found 12 hours ago
American Airlines
Tue, 7 Jul - Tue, 14 Jul
EWR
New York
STL
St. Louis
€272 Return, found 1 day ago
€272
Return
found 1 day ago
Select American Airlines flight, departing Tue, 7 Jul from New York to St. Louis, returning Tue, 14 Jul, priced at €272 found 1 day ago
Delta
Sat, 1 Aug - Sat, 29 Aug
ORD
Chicago
STL
St. Louis
€278 Return, found 2 days ago
€278
Return
found 2 days ago
Select Delta flight, departing Sat, 1 Aug from Chicago to St. Louis, returning Sat, 29 Aug, priced at €278 found 2 days ago
Delta
Thu, 6 Aug - Mon, 10 Aug
LGA
New York
STL
St. Louis
€279 Return, found 4 hours ago
€279
Return
found 4 hours ago
Select Delta flight, departing Thu, 6 Aug from New York to St. Louis, returning Mon, 10 Aug, priced at €279 found 4 hours ago
Delta
Thu, 6 Aug - Mon, 10 Aug
JFK
New York
STL
St. Louis
€320 Return, found 4 hours ago
€320
Return
found 4 hours ago
Select Delta flight, departing Thu, 6 Aug from New York to St. Louis, returning Mon, 10 Aug, priced at €320 found 4 hours ago
United
Sat, 1 Aug - Sat, 29 Aug
ORD
Chicago
STL
St. Louis
€321 Return, found 2 days ago
€321
Return
found 2 days ago
Select United flight, departing Sat, 1 Aug from Chicago to St. Louis, returning Sat, 29 Aug, priced at €321 found 2 days ago
Lufthansa
Sat, 27 Mar - Tue, 6 Apr
SOF
Sofia
STL
St. Louis
€737 Return, found 1 day ago
€737
Return
found 1 day ago
Select Lufthansa flight, departing Sat, 27 Mar from Sofia to St. Louis, returning Tue, 6 Apr, priced at €737 found 1 day ago
British Airways
Sun, 20 Sept - Thu, 8 Oct
MAD
Madrid
STL
St. Louis
€745 Return, found 22 hours ago
€745
Return
found 22 hours ago
Select British Airways flight, departing Sun, 20 Sept from Madrid to St. Louis, returning Thu, 8 Oct, priced at €745 found 22 hours ago
Air Canada
Sat, 27 Mar - Tue, 6 Apr
SOF
Sofia
STL
St. Louis
€746 Return, found 1 day ago
€746
Return
found 1 day ago
Select Air Canada flight, departing Sat, 27 Mar from Sofia to St. Louis, returning Tue, 6 Apr, priced at €746 found 1 day ago
Lufthansa
Thu, 2 Jul - Sun, 30 Aug
RMO
Chișinău
STL
St. Louis
€750 Return, found 19 hours ago
€750
Return
found 19 hours ago
Select Lufthansa flight, departing Thu, 2 Jul from Chișinău to St. Louis, returning Sun, 30 Aug, priced at €750 found 19 hours ago

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.

American Airlines
Sun, 25 Oct - Sun, 1 Nov
DUB
Dublin
STL
St. Louis
€837 Return, found 5 days ago
€837
Return
found 5 days ago
Select American Airlines flight, departing Sun, 25 Oct from Dublin to St. Louis, returning Sun, 1 Nov, priced at €837 found 5 days ago

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, €227 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 €227 and peaked at €837. For one-way trips taking off from Chicago (ORD), the lowest amount paid during this time was just €114.
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 €227 and €837. 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.

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About St. Clair County

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About St. Clair County
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