$23 Cheap flights to St. Charles County

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Top places to visit in St. Charles County

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Cheap flights to St. Charles County from $23 One Way, $46 Round Trip

$46 return flights and $23 one-way flights to St. Charles County were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 3 - Mon, Sep 7
ATL
Atlanta
STL
St. Louis
$46 Roundtrip, found 12 hours ago
$46
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Thu, Sep 3 from Atlanta to St. Louis, returning Mon, Sep 7, priced at $46 found 12 hours ago
Fri, Sep 11 - Mon, Sep 14
FLL
Fort Lauderdale
BLV
Belleville
$78 Roundtrip, found 13 hours ago
$78
Roundtrip
found 13 hours ago
Select Allegiant Air flight, departing Fri, Sep 11 from Fort Lauderdale to Belleville, returning Mon, Sep 14, priced at $78 found 13 hours ago
Sat, Oct 3 - Wed, Oct 7
DEN
Denver
STL
St. Louis
$82 Roundtrip, found 1 day ago
$82
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Oct 3 from Denver to St. Louis, returning Wed, Oct 7, priced at $82 found 1 day ago
Thu, Aug 27 - Mon, Aug 31
VPS
Fort Walton Beach
BLV
Belleville
$85 Roundtrip, found 1 day ago
$85
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Aug 27 from Fort Walton Beach to Belleville, returning Mon, Aug 31, priced at $85 found 1 day ago
Fri, Dec 4 - Mon, Dec 7
GUF
Gulf Shores
BLV
Belleville
$88 Roundtrip, found 1 day ago
$88
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Fri, Dec 4 from Gulf Shores to Belleville, returning Mon, Dec 7, priced at $88 found 1 day ago
Thu, Aug 13 - Sun, Aug 16
JAX
Jacksonville
BLV
Belleville
$91 Roundtrip, found 2 days ago
$91
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Thu, Aug 13 from Jacksonville to Belleville, returning Sun, Aug 16, priced at $91 found 2 days ago
Fri, Oct 2 - Wed, Oct 7
PIE
St. Petersburg
BLV
Belleville
$94 Roundtrip, found 5 days ago
$94
Roundtrip
found 5 days ago
Select Allegiant Air flight, departing Fri, Oct 2 from St. Petersburg to Belleville, returning Wed, Oct 7, priced at $94 found 5 days ago
Thu, Sep 3 - Sun, Sep 6
SFB
Orlando
BLV
Belleville
$100 Roundtrip, found 4 days ago
$100
Roundtrip
found 4 days ago
Select Allegiant Air flight, departing Thu, Sep 3 from Orlando to Belleville, returning Sun, Sep 6, priced at $100 found 4 days ago
Thu, Oct 22 - Sun, Oct 25
DFW
Dallas
STL
St. Louis
$103 Roundtrip, found 1 hour ago
$103
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Oct 22 from Dallas to St. Louis, returning Sun, Oct 25, priced at $103 found 1 hour ago
Thu, Dec 3 - Sat, Dec 5
ATL
Atlanta
STL
St. Louis
$127 Roundtrip, found 5 days ago
$127
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Thu, Dec 3 from Atlanta to St. Louis, returning Sat, Dec 5, priced at $127 found 5 days ago
Fri, Aug 21 - Sun, Aug 23
MCO
Orlando
STL
St. Louis
$128 Roundtrip, just found
$128
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Aug 21 from Orlando to St. Louis, returning Sun, Aug 23, priced at $128 just found
Fri, Sep 25 - Mon, Sep 28
ATL
Atlanta
STL
St. Louis
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 25 from Atlanta to St. Louis, returning Mon, Sep 28, priced at $137 found 1 day ago
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Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
PIEMascoutahAugust 7 to August 10$246
ATLSt. LouisAugust 8 to August 9$293
TPASt. LouisAugust 9 to August 11$301
TTNSt. LouisAugust 9 to August 12$305
DENSt. LouisAugust 9 to August 16$314
DFWSt. LouisAugust 8 to August 9$320
LAXSt. LouisAugust 7 to August 9$405
EWRSt. LouisAugust 8 to August 9$458
SEASt. LouisAugust 9 to October 5$494
LGASt. LouisAugust 8 to August 8$525
FCOSt. LouisAugust 9 to June 8$1,165
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic St. Charles County Accommodation Deals

Ameristar Casino Resort and Spa

Ameristar Casino Resort and Spa

4.5 out of 5
1 Ameristar Blvd St. Charles MO
Fully refundableReserve now, pay when you stay
$180 nightly
The price is $211 total per night from Aug 3 to Aug 4
$211 total
Aug 3 - Aug 4
Total with taxes and fees
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 ...
Opens in a new windowAmeristar Casino Resort and Spa
Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
Fully refundableReserve now, pay when you stay
$134 nightly
The price is $158 total per night from Aug 28 to Aug 29
$158 total
Aug 28 - Aug 29
Total with taxes and fees
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 ...
Opens in a new windowHyatt Regency St. Louis at The Arch
Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
Fully refundableReserve now, pay when you stay
$91 nightly
The price is $106 total per night from Aug 30 to Aug 31
$106 total
Aug 30 - Aug 31
Total with taxes and fees
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 ...
9/10 Wonderful! (3,305 reviews)
"The elevators were broken and there was a pail to catch leaking water nearby them . Breakfast was fine but I find the need to be seated by a server for a buffet ,( yet you’re getting your own drinks and food )is just a bit bizarre . Tip: get a freshly prepared omelet , because other wise there is ..."

Reviewed on Aug 2, 2026

Opens in a new windowClayton Plaza Hotel & Extended Stay
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Hollywood Casino & Hotel St. Louis

Hollywood Casino & Hotel St. Louis

3.5 out of 5
777 Casino Center Drive Maryland Heights MO
Fully refundableReserve now, pay when you stay
$142 nightly
The price is $166 total per night from Aug 16 to Aug 17
$166 total
Aug 16 - Aug 17
Total with taxes and fees
Book a stay at this business-friendly hotel in Maryland Heights. Enjoy free parking, 7 restaurants, and a casino. Our guests praise the helpful staff and the ...
Opens in a new windowHollywood Casino & Hotel St. Louis
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.

Need a Car For After Your Flight?

Economy

Chevrolet Spark
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass
  • 5 people
Jeep Compass
SUV Jeep Compass

St. Charles County

When you plan to buy tickets for flights to St. Charles County, you don’t have to look any further than Orbitz! We offer bargain rates and low fares on thousands of flights.

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Along with our low prices, Orbitz is well known for exceptional customer care. We make it simple to find the best St. Charles County flights for you. If you need to cancel your booking or change your flight plans, simply contact our Customer Service department to make any adjustments.

Bargain Tickets for St. Charles County Flights

Orbitz offers deeply discounted flights to St. Charles County, and we provide the resources to research your travel destination and plan your complete itinerary.

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Convenient Travel Planning Services

If you like the ease of making your travel plans on the move, you’ll love the free Orbitz apps for iPhones, iPads, and Android devices. You can use these apps to review your travel reservations or make a change to your itinerary. Orbitz also offers additional travel assistance such as free mobile alerts that keep you up-to-date about sudden changes to your upcoming flights. You can also browse Orbitz easily on your smartphone by using the mobile version of the website to find budget St. Charles County flights.

Frequently asked questions

Which airlines fly to St. Charles County?
Lock in a ticket with one of the 24 airlines that fly to Lambert-St. Louis Intl. Airport (STL) and get set to embark on exciting new adventures. This popular airport is the main entry point for St. Charles County. When it's time to discover the region, these reputable carriers will take you there:

  • Air Canada - 35 flights to St. Charles County per month
  • Frontier Airlines - 17 flights to St. Charles County per month
  • Lufthansa - 3 flights to St. Charles County per month

What is the best airport to fly to in St. Charles County?
Fly into Lambert-St. Louis Intl. Airport (STL), the main entry point to St. Charles County. Organizing your flight to this region doesn't get much easier than that.
How much is a flight to St. Charles County?
Prices for round-trip flights dropped as low as $46 this week to St. Charles County, and rose to a high of $1,165. Some lucky travelers journeying out of Atlanta (ATL) managed to secure one-way fares starting at just $23.
How to book the cheapest flight to St. Charles County?
With Orbitz, you'll find some of the most affordable flight deals around from a wide selection of airlines. But if you want to heighten your chances of nabbing cheap flights to St. Charles County, here are a few tips to bear in mind:

  • Consider other airports to cut costs. Enter your preferred departure and arrival points in the form fields, then select the 'Nearby airports' function below. It will list the available options.
  • Similarly, click on the 'Show flexible dates' option to see the prices for days around your chosen departure. You may be able to find cheaper flight deals if your travel plans are flexible.
  • You can also use the 'Show options' link to filter results for your preferred carrier, seating class, nonstop flights and refundable flights. Under 'Sort & Filter' to the left, you can even pick the time of day you want to fly.
  • Lock in your airfare as soon as you've decided on your travel dates. While you can get lucky now and then, tickets rarely drop in price as your date of departure gets closer.
  • Consider combining your hotels, flights and car rental into one convenient package deal to make your dollar go further.
  • If it's an option, avoid traveling during the busy season. Airfares often surge during school breaks, summer and other vacation periods like Easter, Thanksgiving and Christmas.

How long is a flight to St. Charles County?
You might have time to read a few chapters of your novel, or you might make it though the entire thing! How long a flight is depends on where you're taking off from, but these top routes to St. Charles County will give you some insight:

  • New York, NY (LGA-LaGuardia) to Lambert-St. Louis Intl. Airport (STL) - 2 hours and 28 minutes
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 41 minutes
  • Chicago, IL (ORD-O'Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 27 minutes

What is the best time to book a flight to St. Charles County?
On average, the cheapest month to book your journey is January. This is followed by February then August. When looking for a cheap flight to St. Charles County, be ready to book. Cheap deals pop up suddenly and don't stick around!
What day of the week is the cheapest to book a flight to St. Charles County?
If you're after low-cost fares to St. Charles County, the best days of the week to book are Tuesdays, Wednesdays and Saturdays. With Orbitz (and some good timing!), an unbeatable flight deal will be all yours.
What is the cheapest day of the week to fly to St. Charles County?
You can grab cheap flights to St. Charles County by taking off on a Monday, according to Orbitz data from 2020. Tuesday is the next cheapest day, while Saturday has the most costly ticket prices. Whether you prefer to save a bundle or fly out on whichever day is convenient, you'll always get a terrific deal with Orbitz.
What is the cheapest month to fly to St. Charles County?
According to Orbitz data, you should fly out in August. This is generally an excellent month to pick up cheap flights to St. Charles County. Keep in mind that the most expensive time to depart is in June.
Which airlines allow free cancellation?
Orbitz makes it a piece of cake to find carriers offering fare flexibility. Simply click on "Filter by flexible change policies" when searching for your flights and voila! You'll see options that include free cancellation within 24 hours of booking, no change fees and of course, the very best price.
What do I need for the flight to St. Charles County?
Nothing's more enjoyable than jetting to a new place, but it's wise to be prepared. The following top tips will help get your trip off to a smooth start:

  • Your travel documents are the most important things you'll need to take with you on your flight to St. Charles County. To avoid any problems while checking in, make sure that the name on your ticket matches your government-issued ID.
  • To keep you amused on your short trip to St. Charles County, download some new music or restock the audiobook library on your smartphone. Food can also be a delicious distraction while in the air, so pack some snacks.
  • Even if you're flying when it's blistering hot, carry a cardigan or sweater on board with you. Cabins are notorious for getting a bit chilly!

How many direct flights are there to St. Charles County?
You can lock in a seat on one of 482 flights that travel direct to St. Charles County each month. Southwest Airlines, American Airlines and Delta Air Lines are just a couple of the airlines that will get you there comfortably in one go. United Airlines, Cape Air and Frontier Airlines also fly nonstop.
How do I get cheap first-class/business deals to St. Charles County?
Savvy travelers have a talent for finding first or business-class airfares to St. Charles County that don't cost a packet. Be like them with these handy hints:

  • Being flexible isn't just useful in the gym. Avoid locking in your travel dates so you can snap up more affordable airfares when a sale comes along.
  • Search for a low-cost airline that offers seats in business class. They usually come with more legroom and a glass of Champagne — but without the high price.
  • Make a bid for an upgrade. Some carriers hold online auctions that let you offer a price for a seat up the front. You can also try upgrading with points earned through a loyalty program.

What is the best time to go to St. Charles County?
St. Charles County is a popular place in March, April and May. If you plan to head there during these months, it would be a good idea to book ahead of time to ensure you get the best deals. Like to know what the summer's like in St. Charles County? Average daily temperatures normally sit between 70 ºF and 85 ºF. Like many destinations in the Northern Hemisphere, the summer season commences June 20 here.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.