Cheap flights to St. Charles County

View €79 flight on Tue, 13 Jan 2026Opens in a new window

Popular airlines to St. Charles County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    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 €79 for one-way flights and €161 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southern Airways Express
Thu, 19 Feb - Mon, 23 Feb
BNA
Nashville
STL
St. Louis
€161 Return, found 18 hours ago
€161
Return
found 18 hours ago
Select Southern Airways Express flight, departing Thu, 19 Feb from Nashville to St. Louis, returning Mon, 23 Feb, priced at €161 found 18 hours ago
Delta
Thu, 19 Feb - Mon, 23 Feb
BNA
Nashville
STL
St. Louis
€173 Return, found 18 hours ago
€173
Return
found 18 hours ago
Select Delta flight, departing Thu, 19 Feb from Nashville to St. Louis, returning Mon, 23 Feb, priced at €173 found 18 hours ago
United
Thu, 19 Feb - Mon, 23 Feb
BNA
Nashville
STL
St. Louis
€232 Return, found 18 hours ago
€232
Return
found 18 hours ago
Select United flight, departing Thu, 19 Feb from Nashville to St. Louis, returning Mon, 23 Feb, priced at €232 found 18 hours ago
American Airlines
Mon, 9 Feb - Mon, 16 Feb
BNA
Nashville
STL
St. Louis
€246 Return, found 1 day ago
€246
Return
found 1 day ago
Select American Airlines flight, departing Mon, 9 Feb from Nashville to St. Louis, returning Mon, 16 Feb, priced at €246 found 1 day ago
American Airlines
Sat, 17 Jan - Sun, 18 Jan
JFK
New York
STL
St. Louis
€251 Return, found 6 days ago
€251
Return
found 6 days ago
Select American Airlines flight, departing Sat, 17 Jan from New York to St. Louis, returning Sun, 18 Jan, priced at €251 found 6 days ago
Delta
Mon, 5 Oct - Fri, 9 Oct
PHL
Philadelphia
STL
St. Louis
€393 Return, found 17 hours ago
€393
Return
found 17 hours ago
Select Delta flight, departing Mon, 5 Oct from Philadelphia to St. Louis, returning Fri, 9 Oct, priced at €393 found 17 hours ago
American Airlines
Mon, 5 Oct - Fri, 9 Oct
PHL
Philadelphia
STL
St. Louis
€420 Return, found 17 hours ago
€420
Return
found 17 hours ago
Select American Airlines flight, departing Mon, 5 Oct from Philadelphia to St. Louis, returning Fri, 9 Oct, priced at €420 found 17 hours ago
Swiss International Air Lines
Tue, 10 Feb - Tue, 17 Feb
LHR
London
STL
St. Louis
€508 Return, found 15 hours ago
€508
Return
found 15 hours ago
Select Swiss International Air Lines flight, departing Tue, 10 Feb from London to St. Louis, returning Tue, 17 Feb, priced at €508 found 15 hours ago
Lufthansa
Tue, 10 Feb - Tue, 17 Feb
LHR
London
STL
St. Louis
€514 Return, found 15 hours ago
€514
Return
found 15 hours ago
Select Lufthansa flight, departing Tue, 10 Feb from London to St. Louis, returning Tue, 17 Feb, priced at €514 found 15 hours ago
American Airlines
Fri, 23 Jan - Tue, 27 Jan
BRU
Brussels
STL
St. Louis
€519 Return, found 9 hours ago
€519
Return
found 9 hours ago
Select American Airlines flight, departing Fri, 23 Jan from Brussels to St. Louis, returning Tue, 27 Jan, priced at €519 found 9 hours 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
Tue, 5 May - Tue, 12 May
DUB
Dublin
STL
St. Louis
€722 Return, found 6 days ago
€722
Return
found 6 days ago
Select Aer Lingus flight, departing Tue, 5 May from Dublin to St. Louis, returning Tue, 12 May, priced at €722 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, €161 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 Nashville (BNA) sold for as low as €79 in the last seven days. During this time, the price of a return airfare to St. Charles County varied between €161 and €722. 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 €161 to €722.
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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