Cheap Flights to St. Charles County from $42 (2026/2027)

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Flights
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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.

Thu, Jan 7 - Sun, Jan 10
SRQ
Sarasota-Bradenton Intl.
BLV
MidAmerica-St. Louis
$81 Roundtrip, found 5 days ago
$81
Roundtrip
found 5 days ago
Select Allegiant Air flight, departing Thu, Jan 7 from Sarasota-Bradenton Intl. to MidAmerica-St. Louis, returning Sun, Jan 10, priced at $81 found 5 days ago
Fri, Dec 11 - Mon, Dec 14
GUF
Jack Edwards
BLV
MidAmerica-St. Louis
$83 Roundtrip, found 23 hours ago
$83
Roundtrip
found 23 hours ago
Select Allegiant Air flight, departing Fri, Dec 11 from Jack Edwards to MidAmerica-St. Louis, returning Mon, Dec 14, priced at $83 found 23 hours ago
Fri, Nov 20 - Thu, Nov 26
VPS
Northwest Florida Regional
BLV
MidAmerica-St. Louis
$85 Roundtrip, found 9 hours ago
$85
Roundtrip
found 9 hours 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 9 hours ago
Fri, Nov 13 - Mon, Nov 16
FLL
Fort Lauderdale - Hollywood Intl.
BLV
MidAmerica-St. Louis
$86 Roundtrip, found 2 days ago
$86
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Fri, Nov 13 from Fort Lauderdale - Hollywood Intl. to MidAmerica-St. Louis, returning Mon, Nov 16, priced at $86 found 2 days ago
Wed, Dec 2 - Wed, Dec 2
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$88 Roundtrip, found 6 days ago
$88
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Dec 2 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Dec 2, priced at $88 found 6 days ago
Fri, Dec 4 - Wed, Dec 9
PIE
St. Petersburg-Clearwater Intl.
BLV
MidAmerica-St. Louis
$89 Roundtrip, found 3 days ago
$89
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Fri, Dec 4 from St. Petersburg-Clearwater Intl. to MidAmerica-St. Louis, returning Wed, Dec 9, priced at $89 found 3 days ago
Thu, Dec 24 - Fri, Dec 25
DAL
Love Field
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 5 days ago
$117
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Thu, Dec 24 from Love Field to Lambert-St. Louis Intl., returning Fri, Dec 25, priced at $117 found 5 days ago
Thu, Jan 21 - Sun, Jan 24
SFB
Orlando Sanford Intl.
BLV
MidAmerica-St. Louis
$123 Roundtrip, found 10 hours ago
$123
Roundtrip
found 10 hours ago
Select Allegiant Air flight, departing Thu, Jan 21 from Orlando Sanford Intl. to MidAmerica-St. Louis, returning Sun, Jan 24, priced at $123 found 10 hours ago
Sat, Jan 16 - Sat, Jan 23
PGD
Punta Gorda Airport
BLV
MidAmerica-St. Louis
$125 Roundtrip, found 2 days ago
$125
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Sat, Jan 16 from Punta Gorda Airport to MidAmerica-St. Louis, returning Sat, Jan 23, priced at $125 found 2 days ago
Thu, Nov 12 - Mon, Nov 16
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$153 Roundtrip, just found
$153
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 12 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Mon, Nov 16, priced at $153 just found
Fri, Dec 4 - Sun, Dec 6
SRQ
Sarasota-Bradenton Intl.
STL
Lambert-St. Louis Intl.
$223 Roundtrip, found 22 hours ago
$223
Roundtrip
found 22 hours ago
Select Delta flight, departing Fri, Dec 4 from Sarasota-Bradenton Intl. to Lambert-St. Louis Intl., returning Sun, Dec 6, priced at $223 found 22 hours ago
OriginDestinationTravel DatesFlights From*
ATLSt. LouisDecember 2 to December 2$54
PIEMascoutahDecember 4 to December 9$89
DENSt. LouisJanuary 6 to January 8$90
DALSt. LouisDecember 24 to December 25$117
PHLSt. LouisDecember 7 to December 9$176
LGASt. LouisNovember 13 to November 16$216
LGASt. LouisNovember 13 to November 16$216
TPASt. LouisNovember 4 to November 11$220
SEASt. LouisDecember 4 to December 7$247
LAXSt. LouisNovember 9 to November 16$260
FCOSt. LouisDecember 2 to December 9$924
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PIEMascoutahOctober 23 to October 28$149
TTNSt. LouisOctober 24 to December 4$328
TPASt. LouisOctober 24 to October 28$385
DFWSt. LouisOctober 25 to October 26$406
DENSt. LouisOctober 25 to October 30$415
SEASt. LouisOctober 25 to October 31$443
ATLSt. LouisOctober 24 to October 26$451
LAXSt. LouisOctober 25 to October 29$514
LGASt. LouisOctober 23 to October 24$565
LGASt. LouisOctober 23 to October 24$565
*Prices include taxes and fees

Best St. Charles County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Dec 26 - Dec 30

4 night stay

Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

United • Coach

St. Louis (STL) to Newark Liberty Intl. Airport (EWR)

Delta • Coach
Price was $911, price is now $595 per person
$595
per person
found 23 hours ago
The Cheshire
4.0-star property

The Cheshire

Dec 26 - Jan 2

7 night stay

Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

United • Roundtrip • Coach
Price was $1,277, price is now $969 per person
$969
per person
found 1 day ago
The Knight Center at Washington University
2.5-star property

The Knight Center at Washington University

Dec 26 - Jan 2

7 night stay

Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

United • Roundtrip • Coach
Price was $970, price is now $797 per person
$797
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Newark Liberty Intl. Airport 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! (1,079 reviews)
"Room was quite large and very comfortable."

Reviewed on Oct 21, 2026

Opens in a new windowAmeristar Casino Resort and Spa
Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Westport Plaza and Hollywood Casino Amphitheatre are located nearby.
9.4/10 Exceptional! (3,303 reviews)
"I truly enjoyed the beauty and cleanliness of the room and hotel. Our stay was not a disappointment at all. The are a pet accommodating hotel."

Reviewed on Oct 21, 2026

Opens in a new windowPear Tree Inn St. Louis Airport
Drury Plaza Hotel St. Louis at the Arch

Drury Plaza Hotel St. Louis at the Arch

3 out of 5
2 South 4th Street St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and 2 hot tubs. Our guests praise the breakfast and the pool in our reviews. Popular attractions Enterprise Center and St. Louis Union Station are located nearby.
9.6/10 Exceptional! (3,812 reviews)
"Good room"

Reviewed on Oct 21, 2026

Opens in a new windowDrury Plaza Hotel St. Louis at the Arch
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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! (3,496 reviews)
"Loud central air couldn’t sleep all night."

Reviewed on Oct 21, 2026

Opens in a new windowClayton Plaza Hotel & Extended Stay
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 $54. 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 January. 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 $54 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 $54 and $924 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.