Cheap Flights to St. Charles County from $27 (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.

Mon, Dec 14 - Mon, Dec 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$54 Roundtrip, found 13 hours ago
$54
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Mon, Dec 14 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Dec 21, priced at $54 found 13 hours ago
Wed, Nov 4 - Wed, Nov 4
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$58 Roundtrip, found 6 days ago
$58
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Nov 4 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Nov 4, priced at $58 found 6 days ago
Fri, Nov 6 - Wed, Nov 11
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$75 Roundtrip, found 4 days ago
$75
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Nov 6 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Nov 11, priced at $75 found 4 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
Wed, Nov 11 - Wed, Nov 18
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$94 Roundtrip, found 6 days ago
$94
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Nov 11 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Nov 18, priced at $94 found 6 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, Nov 12 - Mon, Nov 16
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$153 Roundtrip, found 2 hours ago
$153
Roundtrip
found 2 hours ago
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 found 2 hours ago
Wed, Nov 4 - Wed, Nov 4
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 6 days ago
$159
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Nov 4 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Nov 4, priced at $159 found 6 days ago
OriginDestinationTravel DatesFlights From*
ATLSt. LouisDecember 14 to December 21$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
LAXSt. LouisDecember 9 to December 11$192
TPASt. LouisNovember 19 to November 21$210
LGASt. LouisNovember 11 to November 12$236
LGASt. LouisNovember 11 to November 12$236
SEASt. LouisNovember 18 to November 26$247
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
DENSt. LouisOctober 24 to November 11$329
TPASt. LouisOctober 24 to October 28$385
DFWSt. LouisOctober 25 to October 26$406
SEASt. LouisOctober 25 to October 31$443
ATLSt. LouisOctober 24 to October 26$451
LAXSt. LouisOctober 23 to October 26$494
LGASt. LouisOctober 24 to October 27$524
LGASt. LouisOctober 24 to October 27$524
*Prices include taxes and fees

Best St. Charles County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Residence Inn by Marriott St Louis Downtown
3.0-star property

Residence Inn by Marriott St Louis Downtown

Dec 26 - Jan 2

7 night stay

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

United • Roundtrip • Coach
Price was $995, price is now $751 per person
$751
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Dec 26 - Jan 2

7 night stay

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

United • Roundtrip • Coach
Save 100% on your flight
Price was $1,563, price is now $853 per person
$853
per person
found 1 day ago
Hotel Indigo St Louis - Central West End by IHG
3.5-star property

Hotel Indigo St Louis - Central West End by IHG

Dec 26 - Jan 2

7 night stay

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

United • Roundtrip • Coach
Price was $1,059, price is now $810 per person
$810
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! (1,078 reviews)
"Experience was Great! Room was clean , always a perfect fit."

Reviewed on Oct 20, 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.
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! (3,809 reviews)
"."

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 December. 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.