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Cheap flights to St. Clair County

View €140 flight on Thu, 20 Aug 2026Opens in a new window

Popular airlines to St. Clair County

  • Allegiant Air

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Cheap round-trip flights to St. Clair County

Prices were available within the past 7 days and start at €140 for one-way flights and €261 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 17 Sept - Sat, 26 Sept
ALB
Albany
STL
St. Louis
€261 Return, found 16 hours ago
€261
Return
found 16 hours ago
Select Delta flight, departing Thu, 17 Sept from Albany to St. Louis, returning Sat, 26 Sept, priced at €261 found 16 hours ago
American Airlines
Thu, 17 Sept - Sat, 26 Sept
ALB
Albany
STL
St. Louis
€261 Return, found 16 hours ago
€261
Return
found 16 hours ago
Select American Airlines flight, departing Thu, 17 Sept from Albany to St. Louis, returning Sat, 26 Sept, priced at €261 found 16 hours ago
American Airlines
Thu, 27 Aug - Mon, 31 Aug
BOS
Boston
STL
St. Louis
€262 Return, found 2 days ago
€262
Return
found 2 days ago
Select American Airlines flight, departing Thu, 27 Aug from Boston to St. Louis, returning Mon, 31 Aug, priced at €262 found 2 days ago
Delta
Thu, 17 Sept - Sat, 26 Sept
ALB
Albany
STL
St. Louis
€265 Return, found 16 hours ago
€265
Return
found 16 hours ago
Select Delta flight, departing Thu, 17 Sept from Albany to St. Louis, returning Sat, 26 Sept, priced at €265 found 16 hours ago
American Airlines
Thu, 27 Aug - Mon, 31 Aug
BOS
Boston
STL
St. Louis
€270 Return, found 2 days ago
€270
Return
found 2 days ago
Select American Airlines flight, departing Thu, 27 Aug from Boston to St. Louis, returning Mon, 31 Aug, priced at €270 found 2 days ago
American Airlines
Thu, 17 Sept - Sat, 26 Sept
ALB
Albany
STL
St. Louis
€274 Return, found 16 hours ago
€274
Return
found 16 hours ago
Select American Airlines flight, departing Thu, 17 Sept from Albany to St. Louis, returning Sat, 26 Sept, priced at €274 found 16 hours ago
United
Thu, 17 Sept - Sat, 26 Sept
ALB
Albany
STL
St. Louis
€327 Return, found 16 hours ago
€327
Return
found 16 hours ago
Select United flight, departing Thu, 17 Sept from Albany to St. Louis, returning Sat, 26 Sept, priced at €327 found 16 hours ago
Air Serbia
Fri, 20 Nov - Tue, 24 Nov
BEG
Belgrade
STL
St. Louis
€844 Return, found 4 days ago
€844
Return
found 4 days ago
Select Air Serbia flight, departing Fri, 20 Nov from Belgrade to St. Louis, returning Tue, 24 Nov, priced at €844 found 4 days ago
Lufthansa
Mon, 31 Aug - Mon, 7 Sept
ZAG
Zagreb
STL
St. Louis
€865 Return, found 14 hours ago
€865
Return
found 14 hours ago
Select Lufthansa flight, departing Mon, 31 Aug from Zagreb to St. Louis, returning Mon, 7 Sept, priced at €865 found 14 hours ago
Iberia
Fri, 27 Nov - Tue, 1 Dec
DUB
Dublin
STL
St. Louis
€878 Return, found 1 day ago
€878
Return
found 1 day ago
Select Iberia flight, departing Fri, 27 Nov from Dublin to St. Louis, returning Tue, 1 Dec, priced at €878 found 1 day 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.

Iberia
Fri, 27 Nov - Tue, 1 Dec
DUB
Dublin
STL
St. Louis
€878 Return, found 1 day ago
€878
Return
found 1 day ago
Select Iberia flight, departing Fri, 27 Nov from Dublin to St. Louis, returning Tue, 1 Dec, priced at €878 found 1 day 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, €261 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 €261 and peaked at €878. For one-way trips taking off from Boston (BOS), the lowest amount paid during this time was just €140.
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 €261 and €878. 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

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.
About St. Clair County
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