Cheap flights to St. Charles County

View €84 flight on Sat, 18 Apr 2026Opens in a new window

Popular airlines to St. Charles County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Air Canada

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Cheap round-trip flights to St. Charles County

Prices were available within the past 7 days and start at €84 for one-way flights and €166 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 18 Apr - Mon, 20 Apr
ORD
Chicago
STL
St. Louis
€166 Return, found 18 hours ago
€166
Return
found 18 hours ago
Select American Airlines flight, departing Sat, 18 Apr from Chicago to St. Louis, returning Mon, 20 Apr, priced at €166 found 18 hours ago
Delta
Sat, 18 Apr - Mon, 20 Apr
ATL
Atlanta
STL
St. Louis
€172 Return, found 19 hours ago
€172
Return
found 19 hours ago
Select Delta flight, departing Sat, 18 Apr from Atlanta to St. Louis, returning Mon, 20 Apr, priced at €172 found 19 hours ago
Delta
Sat, 18 Apr - Mon, 20 Apr
CLE
Cleveland
STL
St. Louis
€174 Return, found 1 day ago
€174
Return
found 1 day ago
Select Delta flight, departing Sat, 18 Apr from Cleveland to St. Louis, returning Mon, 20 Apr, priced at €174 found 1 day ago
United
Sat, 18 Apr - Mon, 20 Apr
ORD
Chicago
STL
St. Louis
€226 Return, found 18 hours ago
€226
Return
found 18 hours ago
Select United flight, departing Sat, 18 Apr from Chicago to St. Louis, returning Mon, 20 Apr, priced at €226 found 18 hours ago
Delta
Thu, 7 May - Thu, 14 May
LGA
New York
STL
St. Louis
€254 Return, found 4 days ago
€254
Return
found 4 days ago
Select Delta flight, departing Thu, 7 May from New York to St. Louis, returning Thu, 14 May, priced at €254 found 4 days ago
Delta
Sat, 18 Apr - Mon, 20 Apr
JFK
New York
STL
St. Louis
€290 Return, just found
€290
Return
just found
Select Delta flight, departing Sat, 18 Apr from New York to St. Louis, returning Mon, 20 Apr, priced at €290 just found
Delta
Sat, 18 Apr - Mon, 20 Apr
EWR
New York
STL
St. Louis
€290 Return, just found
€290
Return
just found
Select Delta flight, departing Sat, 18 Apr from New York to St. Louis, returning Mon, 20 Apr, priced at €290 just found
American Airlines
Sun, 5 Apr - Sun, 19 Apr
FRA
Frankfurt
STL
St. Louis
€695 Return, found 1 day ago
€695
Return
found 1 day ago
Select American Airlines flight, departing Sun, 5 Apr from Frankfurt to St. Louis, returning Sun, 19 Apr, priced at €695 found 1 day ago
Aer Lingus
Wed, 22 Apr - Wed, 29 Apr
DUB
Dublin
STL
St. Louis
€742 Return, found 6 days ago
€742
Return
found 6 days ago
Select Aer Lingus flight, departing Wed, 22 Apr from Dublin to St. Louis, returning Wed, 29 Apr, priced at €742 found 6 days ago
Iberia
Sun, 5 Apr - Sun, 19 Apr
FRA
Frankfurt
STL
St. Louis
€745 Return, found 1 day ago
€745
Return
found 1 day ago
Select Iberia flight, departing Sun, 5 Apr from Frankfurt to St. Louis, returning Sun, 19 Apr, priced at €745 found 1 day ago

Trending flights to St. Charles 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.

Aer Lingus
Wed, 22 Apr - Wed, 29 Apr
DUB
Dublin
STL
St. Louis
€742 Return, found 6 days ago
€742
Return
found 6 days ago
Select Aer Lingus flight, departing Wed, 22 Apr from Dublin to St. Louis, returning Wed, 29 Apr, priced at €742 found 6 days ago

Frequently asked questions

How do I find cheap flights to St. Charles County that have flexible change policies?
We understand that things can change from one minute to the next, so booking a flexible ticket with Expedia is always a clever idea. Simply mark the "No change fee" box directly below the "Flexible change policies" filter. Your low-priced, flexible flight to St. Charles County is just a few clicks away.
Which airlines fly to St. Charles County?
When you're ready to reserve your seat to or near St. Charles County, these well-known carriers are waiting to welcome you on board:

  • Southwest Airlines - 2,214 flights to or near St. Charles County each month, including 2,214 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 789 flights to or near St. Charles County each month, including 789 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 650 flights to or near St. Charles County each month, including 650 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to St. Charles County?
An excellent strategy for walking away with cheap fares is to be flexible with your travel dates. Start by searching for your flight to St. Charles County, then click on the "flexible dates" link for a list of prices for nearby days. Want another tip? Book well ahead of time. To give you an idea of costs, €166 was the lowest price for a flight to St. Charles County in the last seven days.
How much is a flight to St. Charles County?
One-way flights taking off from Chicago (ORD) sold for as low as €84 in the last seven days. During this time, the price of a return airfare to St. Charles County varied between €166 and €745. If you find a deal, book as fast as you can — these fares don't stick around for long.
What are the most popular airports to fly into in St. Charles County?
Get ready to pack your bags and jet into Lambert-St. Louis Intl. Airport (STL), St. Charles County's leading flight hub. Lock in a seat on one of the 4,902 flights that land at this popular destination each month.
How much is a plane ticket to St. Charles County?
In the last seven days, plane tickets to St. Charles County fluctuated from €166 to €745.
What is the best time to go to St. Charles County?
Foristell, St. Charles County's most prominent city, is a terrific destination to explore at anytime. Not a big fan of chilly weather? Then journey here from June 20 onward during the summer months, when average temperatures vary from 18ºC to 29ºC. March, April and May is when Foristell is really buzzing.
What months are the cheapest to book a flight to St. Charles County?
A cheap month to score a fantastic deal to St. Charles County is February, whereas prices are at their highest in December. Keep clear of this month if you're on a tight budget.

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About St. Charles County

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About St. Charles County

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