Landscape of the Marais Temps Clair wetland conservation area in Saint Charles County Missouri

Cheap flights to St. Clair County

View €232 flight on Mon, 29 Jun 2026Opens in a new window

Popular airlines to St. Clair County

  • American Airlines

  • United

  • Delta

  • Alaska Airlines

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

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Cheap round-trip flights to St. Clair County

Prices were available within the past 7 days and start at €232 for one-way flights and €266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 29 Jun - Tue, 7 Jul
IAD
Washington
SGF
Springfield
€266 Return, found 6 days ago
€266
Return
found 6 days ago
Select American Airlines flight, departing Mon, 29 Jun from Washington to Springfield, returning Tue, 7 Jul, priced at €266 found 6 days ago
Delta
Mon, 29 Jun - Tue, 7 Jul
IAD
Washington
SGF
Springfield
€275 Return, found 6 days ago
€275
Return
found 6 days ago
Select Delta flight, departing Mon, 29 Jun from Washington to Springfield, returning Tue, 7 Jul, priced at €275 found 6 days ago
Delta
Mon, 29 Jun - Tue, 7 Jul
BWI
Baltimore
SGF
Springfield
€305 Return, found 6 days ago
€305
Return
found 6 days ago
Select Delta flight, departing Mon, 29 Jun from Baltimore to Springfield, returning Tue, 7 Jul, priced at €305 found 6 days ago
Delta
Sat, 4 Jul - Fri, 10 Jul
BWI
Baltimore
SGF
Springfield
€320 Return, found 4 days ago
€320
Return
found 4 days ago
Select Delta flight, departing Sat, 4 Jul from Baltimore to Springfield, returning Fri, 10 Jul, priced at €320 found 4 days ago
American Airlines
Mon, 29 Jun - Tue, 7 Jul
IAD
Washington
SGF
Springfield
€322 Return, found 6 days ago
€322
Return
found 6 days ago
Select American Airlines flight, departing Mon, 29 Jun from Washington to Springfield, returning Tue, 7 Jul, priced at €322 found 6 days ago
Delta
Sat, 4 Jul - Fri, 10 Jul
IAD
Washington
SGF
Springfield
€330 Return, found 4 days ago
€330
Return
found 4 days ago
Select Delta flight, departing Sat, 4 Jul from Washington to Springfield, returning Fri, 10 Jul, priced at €330 found 4 days ago
American Airlines
Fri, 11 Sept - Sun, 13 Sept
IAD
Washington
SGF
Springfield
€333 Return, found 9 hours ago
€333
Return
found 9 hours ago
Select American Airlines flight, departing Fri, 11 Sept from Washington to Springfield, returning Sun, 13 Sept, priced at €333 found 9 hours ago
United
Sat, 4 Jul - Fri, 10 Jul
IAD
Washington
SGF
Springfield
€412 Return, found 4 days ago
€412
Return
found 4 days ago
Select United flight, departing Sat, 4 Jul from Washington to Springfield, returning Fri, 10 Jul, priced at €412 found 4 days ago
Iberia
Thu, 13 Aug - Thu, 3 Sept
DUB
Dublin
SGF
Springfield
€918 Return, found 11 hours ago
€918
Return
found 11 hours ago
Select Iberia flight, departing Thu, 13 Aug from Dublin to Springfield, returning Thu, 3 Sept, priced at €918 found 11 hours ago
British Airways
Sun, 5 Jul - Fri, 10 Jul
DUB
Dublin
SGF
Springfield
€981 Return, found 14 hours ago
€981
Return
found 14 hours ago
Select British Airways flight, departing Sun, 5 Jul from Dublin to Springfield, returning Fri, 10 Jul, priced at €981 found 14 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
Thu, 13 Aug - Thu, 3 Sept
DUB
Dublin
SGF
Springfield
€898 Return, found 11 hours ago
€898
Return
found 11 hours ago
Select American Airlines flight, departing Thu, 13 Aug from Dublin to Springfield, returning Thu, 3 Sept, priced at €898 found 11 hours 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 essential. That's why we've added a "No change fee" filter to help you find flexible, low-priced flights to St. Clair County. It's on the left-hand side of your screen directly underneath the "Flexible change policies" heading.
Which airlines fly to St. Clair County?
When you're ready to reserve your seat to or near St. Clair County, these airlines are waiting to welcome you on board:

  • Southwest Airlines - 1,395 flights to or near St. Clair County each month, including 1,395 flights to Kansas City Intl. Airport (MCI) per month.
  • Delta Air Lines - 788 flights to or near St. Clair County each month, including 788 flights to Kansas City Intl. Airport (MCI) per month.
  • American Airlines - 715 flights to or near St. Clair County each month, including 715 flights to Kansas City Intl. Airport (MCI) per month.

How can I find cheap tickets to St. Clair County?
Book well ahead of time, fly to or from nearby airports, avoid school holiday time — you're not short of ways! Another one is to make the most of Expedia's "flexible dates" function. Find your St. Clair County flight, then compare the cheapest prices for nearby dates. In the last seven days, the best price for a flight to St. Clair County was €266.
How much is a flight to St. Clair County?
In the last seven days, return airfares to St. Clair County sold for as low as €266 and reached a maximum price of €981. For one-way trips leaving Washington (IAD), the lowest amount paid during this time was just €232.
What are the most popular airports to fly into in St. Clair County?
Deciding on an airport comes down to factors including your budget and carrier. These are your two options in St. Clair County:

  • Kansas City Intl. Airport (MCI) - 3,714 flights per month.
  • Charles B. Wheeler Downtown Airport (MKC) - 4 flights per month.

How much is a plane ticket to St. Clair County?
In the last seven days, airfares to St. Clair County fluctuated between €266 and €981. Prices tend to rise over time, so secure a top deal today.
What is the best time to go to St. Clair County?
Appleton City, St. Clair County's main city, is a fantastic location to explore at anytime. Not a big fan of cooler weather? Then travel here from June 20 onward during the summer months, when temperatures vary from 18ºC to 29ºC. June, July and November is when Appleton City is really buzzing.
What months are the cheapest to book a flight to St. Clair County?
An inexpensive month to find a fabulous deal to St. Clair County is February, while prices are at their highest in December. Try to avoid this month if you're on a tight budget.

Book with confidence

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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