Cheap Flights to St. Charles County from $49 (2026/2027)

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How Much Does it Cost To Fly To St. Charles County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Fri, Oct 30 - Mon, Nov 2
FLL
Fort Lauderdale - Hollywood Intl.
BLV
MidAmerica-St. Louis
$78 Roundtrip, just found
$78
Roundtrip
just found
Select Allegiant Air flight, departing Fri, Oct 30 from Fort Lauderdale - Hollywood Intl. to MidAmerica-St. Louis, returning Mon, Nov 2, priced at $78 just found
Fri, Sep 11 - Mon, Sep 14
FLL
Fort Lauderdale - Hollywood Intl.
BLV
MidAmerica-St. Louis
$81 Roundtrip, just found
$81
Roundtrip
just found
Select Allegiant Air flight, departing Fri, Sep 11 from Fort Lauderdale - Hollywood Intl. to MidAmerica-St. Louis, returning Mon, Sep 14, priced at $81 just found
Fri, Sep 11 - Mon, Sep 14
FLL
Fort Lauderdale - Hollywood Intl.
BLV
MidAmerica-St. Louis
$84 Roundtrip, found 5 days ago
$84
Roundtrip
found 5 days ago
Select Allegiant Air flight, departing Fri, Sep 11 from Fort Lauderdale - Hollywood Intl. to MidAmerica-St. Louis, returning Mon, Sep 14, priced at $84 found 5 days ago
Fri, Nov 20 - Thu, Nov 26
VPS
Northwest Florida Regional
BLV
MidAmerica-St. Louis
$85 Roundtrip, found 6 days ago
$85
Roundtrip
found 6 days ago
Select Allegiant Air flight, departing Fri, Nov 20 from Northwest Florida Regional to MidAmerica-St. Louis, returning Thu, Nov 26, priced at $85 found 6 days ago
Wed, Oct 21 - Wed, Oct 28
PIE
St. Petersburg-Clearwater Intl.
BLV
MidAmerica-St. Louis
$99 Roundtrip, found 7 hours ago
$99
Roundtrip
found 7 hours ago
Select Allegiant Air flight, departing Wed, Oct 21 from St. Petersburg-Clearwater Intl. to MidAmerica-St. Louis, returning Wed, Oct 28, priced at $99 found 7 hours ago
Fri, Oct 30 - Mon, Nov 2
SRQ
Sarasota-Bradenton Intl.
BLV
MidAmerica-St. Louis
$115 Roundtrip, found 3 days ago
$115
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Fri, Oct 30 from Sarasota-Bradenton Intl. to MidAmerica-St. Louis, returning Mon, Nov 2, priced at $115 found 3 days ago
Sat, Oct 31 - Sun, Nov 1
SFB
Orlando Sanford Intl.
BLV
MidAmerica-St. Louis
$118 Roundtrip, found 2 days ago
$118
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Sat, Oct 31 from Orlando Sanford Intl. to MidAmerica-St. Louis, returning Sun, Nov 1, priced at $118 found 2 days ago
Thu, Oct 15 - Sun, Oct 18
PGD
Punta Gorda Airport
BLV
MidAmerica-St. Louis
$165 Roundtrip, found 5 days ago
$165
Roundtrip
found 5 days ago
Select Allegiant Air flight, departing Thu, Oct 15 from Punta Gorda Airport to MidAmerica-St. Louis, returning Sun, Oct 18, priced at $165 found 5 days ago
OriginDestinationTravel DatesFlights From*
ATLSt. LouisSeptember 23 to September 25$57
DENSt. LouisSeptember 26 to October 3$80
PIEMascoutahOctober 21 to October 28$99
SEASt. LouisOctober 24 to October 28$137
DFWSt. LouisNovember 12 to November 15$178
TPASt. LouisOctober 5 to October 12$211
LGASt. LouisSeptember 23 to September 25$222
LGASt. LouisSeptember 23 to September 25$222
PHLSt. LouisSeptember 25 to September 28$226
LAXSt. LouisOctober 31 to November 7$288
FCOSt. LouisSeptember 16 to September 20$874
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PIEMascoutahSeptember 4 to September 11$262
TPASt. LouisSeptember 6 to September 20$265
DFWSt. LouisSeptember 4 to September 6$284
LGASt. LouisSeptember 6 to September 9$310
PHLSt. LouisSeptember 6 to September 9$310
LGASt. LouisSeptember 6 to September 9$310
DENSt. LouisSeptember 6 to September 8$314
SEASt. LouisSeptember 6 to September 21$360
LAXSt. LouisSeptember 6 to March 3$438
ATLSt. LouisSeptember 5 to September 7$454
*Prices include taxes and fees

Best St. Charles County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Crowne Plaza St. Louis Airport by IHG
3.5-star property

Crowne Plaza St. Louis Airport by IHG

Nov 2 - Nov 7

5 night stay

Atlanta (ATL) to St. Louis (STL)

Delta • Coach

St. Louis (STL) to Atlanta (ATL)

Southwest Airlines • Coach
Save 100% on your flight
Price was $641, price is now $437 per person
$437
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Nov 2 - Nov 7

5 night stay

Atlanta (ATL) to St. Louis (STL)

Delta • Coach

St. Louis (STL) to Atlanta (ATL)

Southwest Airlines • Coach
Price was $1,041, price is now $519 per person
$519
per person
found 1 day ago
The Cheshire
4.0-star property

The Cheshire

Nov 2 - Nov 7

5 night stay

Atlanta (ATL) to St. Louis (STL)

Delta • Coach

St. Louis (STL) to Atlanta (ATL)

Southwest Airlines • Coach
Save 100% on your flight
Price was $814, price is now $531 per person
$531
per person
found 1 day ago
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See all available trips from Atlanta to St. Charles County
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Travelers ❤️ These St. Charles County 🏨

Ameristar Casino Resort and Spa

Ameristar Casino Resort and Spa

4.5 out of 5
1 Ameristar Blvd St. Charles MO
Book a stay at this luxury hotel in St. Charles. Enjoy a full-service spa, 6 restaurants, and a casino. Our guests praise the clean rooms in our reviews. Popular attractions Ameristar Casino St. Charles and Hollywood Casino Amphitheatre are located nearby.
8.6/10 Excellent! (1,031 reviews)
"All went well room clean, staff outstanding"

Reviewed on Aug 29, 2026

Opens in a new windowAmeristar Casino Resort and Spa
Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and the pool in our reviews. Popular attractions St. Louis Zoo and Forest Park are located nearby.
9/10 Wonderful! (3,360 reviews)
"Clean room, great staff, great location!"

Reviewed on Aug 30, 2026

Opens in a new windowClayton Plaza Hotel & Extended Stay
Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Gateway Arch and Busch Stadium are located nearby.
Opens in a new windowHyatt Regency St. Louis at The Arch
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Renaissance St. Louis Airport Hotel

Renaissance St. Louis Airport Hotel

4 out of 5
9801 Natural Bridge Road St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy an outdoor pool, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Westport Plaza and Blanche M. Touhill Performing Arts Center are located nearby.
Opens in a new windowRenaissance St. Louis Airport Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to St. Charles County?
The next vacation you take doesn't have to make a huge dent in your budget. Within the last seven days, the cheapest return flight to St. Charles County cost $57. Find a cheap fare and spend the dollars you save on exciting experiences. This price was available on Travelocity for flights to St. Charles County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to St. Charles County?
Splurge more money on grand experiences and less on your airfare by going away to St. Charles County in October. This is the cheapest time to jet to this destination based on Travelocity's direct return flight demand from January to December last year. Browse through our selection of flights and enjoy a change of scenery without breaking the bank.
How can I check my flight status to St. Charles County?
Whether you'd like to check the status of your flight to St. Charles County or change your itinerary, you'll find all the necessary details on our handy portal, Trips. Click on "Trips" at the top of the Travelocity homepage, then log in or create a new account. Another handy way to manage all your bookings is with the Travelocity app. Get real-time flight status alerts and easily share details with any friends or family flying with you.
How do I find the best deals on flights to St. Charles County?
Being flexible with your dates is a great way to walk away with an amazing deal. Travelocity makes it a cinch to find your perfect fare through the "Flexible dates" function. First, search for your flight to St. Charles County, then compare the cheapest prices for surrounding days by clicking the Flexible dates box above. Booking ahead of schedule and avoiding vacation periods are other ways to save on fares. In the last seven days, the lowest price for a return flight to St. Charles County was $57 on our site. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to St. Charles County with Travelocity?
If you're hunting for cheap flights to St. Charles County, you'll come across some top deals with Travelocity. From cheap family flights with low-cost air carriers to flexible tickets, we've got it all. Experience a hassle-free trip with our round-the-clock customer assistance, Price Match Guarantee and free cancellations with most hotels and activities. Start planning your travel itinerary and get ready to hop on a plane to this vibrant destination.
What are the most popular flight routes to St. Charles County?
To help you find flights to St. Charles County, here's a list of some of the leading routes:

  • Chicago, IL (ORD-O'Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 2,049 flights a month.
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1,503 flights a month.
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1,300 flights a month.

How much is a flight to St. Charles County on average?
Airfares for roundtrip flights to St. Charles County were priced between $57 and $874 in the last seven days. As soon as you see an awesome deal, lock it in and get ready to take off on your next fun adventure with Travelocity. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to St. Charles County?
To get a feel for the average time of a direct flight to St. Charles County, browse through these popular routes:

  • Chicago, IL (ORD-O'Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 23 minutes
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 37 minutes
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 49 minutes

What can I expect on a flight to St. Charles County?
Factors such as which airline you're jetting off with and where your plane departs from will mostly determine what inclusions and services you can expect. Of course, you'll likely find a range of flights to St. Charles County, from cheap flights for family vacations to first class airfares. Hot meals, entertainment and games for the kids are usually what most airlines offer on long-haul flights.