St. Clair County Flights - Book Cheap Flights to St. Clair County

View RM1,214 flight on Sun, 19 Apr 2026Opens in a new window

Popular airlines to St. Clair County

  • AirAsia

  • Firefly

  • Malaysia Airlines

  • Scoot

  • Malindo Air

  • AirAsiaX

  • Thai AirAsia

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to St. Clair County

Prices were available within the past 7 days and start at RM1,214 for one-way flights and RM2,206 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 19 Apr - Sun, 26 Apr
PHL
Philadelphia
STL
St. Louis
RM2,206 Return, found 1 day ago
RM2,206
Return
found 1 day ago
Select United flight, departing Sun, 19 Apr from Philadelphia to St. Louis, returning Sun, 26 Apr, priced at RM2,206 found 1 day ago
American Airlines
Sun, 19 Apr - Sun, 26 Apr
PHL
Philadelphia
STL
St. Louis
RM2,234 Return, found 1 day ago
RM2,234
Return
found 1 day ago
Select American Airlines flight, departing Sun, 19 Apr from Philadelphia to St. Louis, returning Sun, 26 Apr, priced at RM2,234 found 1 day ago
American Airlines
Sun, 19 Apr - Sun, 26 Apr
PHL
Philadelphia
STL
St. Louis
RM2,273 Return, found 1 day ago
RM2,273
Return
found 1 day ago
Select American Airlines flight, departing Sun, 19 Apr from Philadelphia to St. Louis, returning Sun, 26 Apr, priced at RM2,273 found 1 day ago
United
Sun, 19 Apr - Sun, 26 Apr
PHL
Philadelphia
STL
St. Louis
RM2,323 Return, found 1 day ago
RM2,323
Return
found 1 day ago
Select United flight, departing Sun, 19 Apr from Philadelphia to St. Louis, returning Sun, 26 Apr, priced at RM2,323 found 1 day ago
Delta
Sun, 19 Apr - Sun, 26 Apr
PHL
Philadelphia
STL
St. Louis
RM2,363 Return, found 1 day ago
RM2,363
Return
found 1 day ago
Select Delta flight, departing Sun, 19 Apr from Philadelphia to St. Louis, returning Sun, 26 Apr, priced at RM2,363 found 1 day ago
Qatar Airways
Sun, 10 May - Wed, 19 Aug
KUL
Kuala Lumpur
STL
St. Louis
RM4,680 Return, found 2 days ago
RM4,680
Return
found 2 days ago
Select Qatar Airways flight, departing Sun, 10 May from Kuala Lumpur to St. Louis, returning Wed, 19 Aug, priced at RM4,680 found 2 days ago
Qatar Airways
Thu, 24 Sept - Mon, 5 Oct
SIN
Singapore
STL
St. Louis
RM5,335 Return, found 18 hours ago
RM5,335
Return
found 18 hours ago
Select Qatar Airways flight, departing Thu, 24 Sept from Singapore to St. Louis, returning Mon, 5 Oct, priced at RM5,335 found 18 hours ago
Cathay Pacific
Fri, 25 Sept - Mon, 5 Oct
SIN
Singapore
STL
St. Louis
RM6,015 Return, found 3 days ago
RM6,015
Return
found 3 days ago
Select Cathay Pacific flight, departing Fri, 25 Sept from Singapore to St. Louis, returning Mon, 5 Oct, priced at RM6,015 found 3 days ago
Air Canada
Tue, 8 Sept - Sun, 27 Sept
KUL
Kuala Lumpur
STL
St. Louis
RM6,205 Return, found 2 hours ago
RM6,205
Return
found 2 hours ago
Select Air Canada flight, departing Tue, 8 Sept from Kuala Lumpur to St. Louis, returning Sun, 27 Sept, priced at RM6,205 found 2 hours ago
Japan Airlines
Fri, 25 Sept - Mon, 5 Oct
SIN
Singapore
STL
St. Louis
RM6,377 Return, found 3 days ago
RM6,377
Return
found 3 days ago
Select Japan Airlines flight, departing Fri, 25 Sept from Singapore to St. Louis, returning Mon, 5 Oct, priced at RM6,377 found 3 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.

Qatar Airways
Sun, 10 May - Wed, 19 Aug
KUL
Kuala Lumpur
STL
St. Louis
RM4,680 Return, found 2 days ago
RM4,680
Return
found 2 days ago
Select Qatar Airways flight, departing Sun, 10 May from Kuala Lumpur to St. Louis, returning Wed, 19 Aug, priced at RM4,680 found 2 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, RM2,206 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 RM2,206 and peaked at RM6,377. For one-way trips taking off from Philadelphia (PHL), the lowest amount paid during this time was just RM1,214.
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 RM2,206 and RM6,377. 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

About St. Clair County

Expedia offers flights to St. Clair County to meet every traveler'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

Explore a world of travel with Expedia

*Available to Expedia members.