Flight to St. Clair County

View S$326 flight on Sun, 21 Jun, 2026Opens in a new window

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Cheap round-trip flights to St. Clair County

Prices were available within the past 7 days and start at S$326 for one-way flights and S$695 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 27 May - Wed, 3 Jun
CUN
Cancun
STL
St. Louis
S$695 Return, found 12 hours ago
S$695
Return
found 12 hours ago
Select Air Canada flight, departing Wed, 27 May from Cancun to St. Louis, returning Wed, 3 Jun, priced at S$695 found 12 hours ago
Air Canada
Wed, 27 May - Wed, 3 Jun
CUN
Cancun
STL
St. Louis
S$701 Return, found 12 hours ago
S$701
Return
found 12 hours ago
Select Air Canada flight, departing Wed, 27 May from Cancun to St. Louis, returning Wed, 3 Jun, priced at S$701 found 12 hours ago
Delta
Mon, 25 May - Sat, 30 May
CUN
Cancun
STL
St. Louis
S$923 Return, found 17 hours ago
S$923
Return
found 17 hours ago
Select Delta flight, departing Mon, 25 May from Cancun to St. Louis, returning Sat, 30 May, priced at S$923 found 17 hours ago
Delta
Tue, 26 May - Tue, 2 Jun
YYZ
Toronto
STL
St. Louis
S$983 Return, found 1 day ago
S$983
Return
found 1 day ago
Select Delta flight, departing Tue, 26 May from Toronto to St. Louis, returning Tue, 2 Jun, priced at S$983 found 1 day ago
American Airlines
Tue, 26 May - Tue, 2 Jun
YYZ
Toronto
STL
St. Louis
S$1,139 Return, found 1 day ago
S$1,139
Return
found 1 day ago
Select American Airlines flight, departing Tue, 26 May from Toronto to St. Louis, returning Tue, 2 Jun, priced at S$1,139 found 1 day ago
United
Wed, 27 May - Wed, 3 Jun
CUN
Cancun
STL
St. Louis
S$1,184 Return, found 12 hours ago
S$1,184
Return
found 12 hours ago
Select United flight, departing Wed, 27 May from Cancun to St. Louis, returning Wed, 3 Jun, priced at S$1,184 found 12 hours ago
Air Canada
Tue, 26 May - Tue, 2 Jun
YYZ
Toronto
STL
St. Louis
S$1,324 Return, found 1 day ago
S$1,324
Return
found 1 day ago
Select Air Canada flight, departing Tue, 26 May from Toronto to St. Louis, returning Tue, 2 Jun, priced at S$1,324 found 1 day ago
Air Canada
Tue, 9 Jun - Thu, 16 Jul
SIN
Singapore
STL
St. Louis
S$1,661 Return, found 1 day ago
S$1,661
Return
found 1 day ago
Select Air Canada flight, departing Tue, 9 Jun from Singapore to St. Louis, returning Thu, 16 Jul, priced at S$1,661 found 1 day ago
Japan Airlines
Sun, 28 Jun - Mon, 6 Jul
SIN
Singapore
STL
St. Louis
S$1,704 Return, found 2 days ago
S$1,704
Return
found 2 days ago
Select Japan Airlines flight, departing Sun, 28 Jun from Singapore to St. Louis, returning Mon, 6 Jul, priced at S$1,704 found 2 days ago
Cathay Pacific
Fri, 4 Sept - Sun, 13 Sept
SIN
Singapore
STL
St. Louis
S$1,808 Return, found 5 days ago
S$1,808
Return
found 5 days ago
Select Cathay Pacific flight, departing Fri, 4 Sept from Singapore to St. Louis, returning Sun, 13 Sept, priced at S$1,808 found 5 days 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.

Air Canada
Tue, 9 Jun - Thu, 16 Jul
SIN
Singapore
STL
St. Louis
S$1,661 Return, found 1 day ago
S$1,661
Return
found 1 day ago
Select Air Canada flight, departing Tue, 9 Jun from Singapore to St. Louis, returning Thu, 16 Jul, priced at S$1,661 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, S$695 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 S$695 and peaked at S$1,808. For one-way trips taking off from Cancun (CUN), the lowest amount paid during this time was just S$326.
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.
When is the cheapest time to fly to St. Clair County?
Fly out on a Tuesday to improve your chances of nabbing the cheapest airfare to St. Clair County. Mondays are usually the second most affordable day to depart. Saturday is generally the priciest day to fly anywhere.
How much is a plane ticket to St. Clair County?
In the last seven days, seats ranged between S$695 and S$1,808. 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.

Book with confidence

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.

Travel information

St. Clair County Flights Information

Airlines serving
Air Canada, United, American Airlines, Delta, Cathay Pacific, Qatar Airways, Japan Airlines
Roundtrip price
from S$695
St. Clair County Flights Information
*Available to Expedia members.