Cheap flights To St. Charles (STL) from $24

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Cheap Flights to St. Charles from $24 One Way, $56 Round Trip

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

Sat, May 2 - Sat, May 9
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 1 day ago
$56
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, May 2 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $56 found 1 day ago
Fri, Feb 27 - Sat, Feb 28
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 2 days ago
$56
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Feb 27 from Orlando Intl. to Lambert-St. Louis Intl., returning Sat, Feb 28, priced at $56 found 2 days ago
Mon, Feb 23 - Wed, Feb 25
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$58 Roundtrip, found 15 hours ago
$58
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Mon, Feb 23 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Feb 25, priced at $58 found 15 hours ago
Fri, Mar 6 - Mon, Mar 9
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$59 Roundtrip, found 16 hours ago
$59
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Fri, Mar 6 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Mar 9, priced at $59 found 16 hours ago
Fri, Feb 27 - Tue, Mar 3
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$66 Roundtrip, found 5 days ago
$66
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Feb 27 from Orlando Intl. to Lambert-St. Louis Intl., returning Tue, Mar 3, priced at $66 found 5 days ago
Fri, Mar 6 - Sat, Mar 7
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$68 Roundtrip, found 4 days ago
$68
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Mar 6 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Mar 7, priced at $68 found 4 days ago
Wed, Mar 4 - Mon, Mar 9
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$68 Roundtrip, found 3 days ago
$68
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Mar 4 from Orlando Intl. to Lambert-St. Louis Intl., returning Mon, Mar 9, priced at $68 found 3 days ago
Sat, Feb 21 - Mon, Feb 23
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$70 Roundtrip, just found
$70
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Feb 21 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Feb 23, priced at $70 just found
Wed, Mar 25 - Tue, Mar 31
MSP
Minneapolis - St. Paul Intl.
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 6 hours ago
$120
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Wed, Mar 25 from Minneapolis - St. Paul Intl. to Lambert-St. Louis Intl., returning Tue, Mar 31, priced at $120 found 6 hours ago
Wed, Mar 25 - Tue, Mar 31
MSP
Minneapolis - St. Paul Intl.
STL
Lambert-St. Louis Intl.
$121 Roundtrip, found 6 hours ago
$121
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Mar 25 from Minneapolis - St. Paul Intl. to Lambert-St. Louis Intl., returning Tue, Mar 31, priced at $121 found 6 hours ago

St. Charles Flight Information

Traveling To
St. Charles
Destination Airport IATA Code
STL
Number of Airlines Serving
Airlines
Frontier Airlines, Southwest Airlines, Delta
Flight Price
$56
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

St. Charles economy flight packages

Price found within the past 48 hours. Click for updated prices.
Ameristar Casino Resort and Spa
4.5-star property

Ameristar Casino Resort and Spa

Mar 26 - Mar 29

3 night stay

Orlando (MCO) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Price was $660, price is now $524 per person
$524
per person
found 1 day ago
Hotel Saint Louis, Autograph Collection
4.0-star property

Hotel Saint Louis, Autograph Collection

Mar 26 - Mar 29

3 night stay

Orlando (MCO) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Price was $757, price is now $608 per person
$608
per person
found 1 day ago
St. Louis Union Station Hotel, Curio Collection by Hilton
4.0-star property

St. Louis Union Station Hotel, Curio Collection by Hilton

Mar 26 - Mar 29

3 night stay

Orlando (MCO) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Price was $851, price is now $722 per person
$722
per person
found 1 day ago
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St. Charles

Reach your destination without breaking your budget by booking your flights to St. Charles using Orbitz. We offer access to all of the best discounts on airfare, travel accommodations and even car rentals. Planning your trip and saving money are easier with Orbitz.

Get Discount Rates On Your St. Charles Flight

Whether planning ahead or deciding to book your trip at the last minute, Orbitz will provide the lowest rates on St. Charles flights. Using our free mobile phone apps will make you privy to a number of discounts that are unique to mobile phone users. These are perfect for harried travelers who want to find deals that they can qualify for on the same day.

Make Orbitz Your Official Travel Planner

Orbitz can be used for much more than comparing and booking a discount flight to St. Charles. We also offer a variety of resources for securing the ideal travel accommodations while staying on budget. Travel tips, hotel reviews, customized suggestions and even detailed images can all be accessed through your mobile phone.

Build A Comprehensive Travel Itinerary

In addition to booking a low cost flight to St. Charles, you can learn about the best places to visit, the best hotels to stay in and the preferred times for traveling. When you use Orbitz mobile phone apps you can also share your travel itineraries with friends and family members, all with just a few quick taps.

Using Orbitz to secure your St. Charles flights can save you money and time. Perfect for both the early travel planner and the last minute journey: Orbitz offers phenomenal customer service and unbeatable convenience.

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Frequently asked questions

Which airlines fly to St. Charles?
Take your pick of 20 airlines that run services to Lambert-St. Louis Intl. Airport (STL), the primary airport in the city. With all those options, you're sure to find a terrific deal. Here are a few of the major international carriers that'll get you to St. Charles — and then exploring every inch of this city:

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

What is the best airport to fly to in St. Charles?
Keep your eyes peeled for a cheap ticket to Lambert-St. Louis Intl. Airport (STL). It's the city's main terminal and is situated around 7 miles east of the downtown area. Once you've strolled out of arrivals, it won't be long before you're exploring the delights of St. Charles.
How much is a flight to St. Charles?
Fares for return flights fell as low as $56 this past week to St. Charles, and reached a peak of $121. Jet-setters journeying out of Denver (DEN) managed to snare one-way fares starting from just $24.
How to book the cheapest flight to St. Charles?
Scoring cheap flights to St. Charles is as easy as booking your ticket with Orbitz. But if you'd like to make sure you're nabbing the best flight deals around, here are some suggestions to follow:

  • Taking off from or arriving at nearby airports can often save you money. Type in your preferred departure and arrival points. Next, select the 'Nearby airports' function below to explore your options.
  • If you're flexible with your travel schedule, click on the 'Show flexible dates' option. It'll bring up flight deals for the days either side of your selected departure. Ticket prices often vary depending on what day of the week it is.
  • To optimize your results, click on 'Show options.' You can search based on seating class, airlines, nonstop flights and refundable flights. You can also select your preferred flight times under 'Sort & Filter' to the left.
  • Once you've figured out your travel dates, reserve your flight. Prices usually become more expensive as the departure date gets closer.
  • Consider bundling your flights, hotels and car rental into an Orbitz package — the more you book, the more you save.
  • Flying during peak season can mean higher airfares. Try to avoid traveling over popular periods, such as school breaks, Thanksgiving and Easter.

How long is a flight to St. Charles?
The length of time you spend in the air will depend on where you're coming from, whether that's the South, the Northern states or someplace else. Below are some of the main routes to St. Charles and average flight times:

  • 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?
Book in January, February or August for unbeatable fares to St. Charles. Once you've tracked down a bargain, buy it — cheap flights will appear and vanish in the blink of an eye.
What day of the week is the cheapest to book a flight to St. Charles?
If you're after inexpensive fares to St. Charles, the best days of the week to book are Tuesdays, Wednesdays and Saturdays. With Orbitz (and some good timing!), a superb flight deal will be all yours.
What is the cheapest day of the week to fly to St. Charles?
If you're on the hunt for cheap flights to St. Charles, depart at the start of the week. Orbitz data from 2020 shows Monday is the most affordable day to jet off, followed by Tuesday. Saturday has the most expensive fares, so avoid flying on this day and do your budget a favor.
What is the cheapest month to fly to St. Charles?
We won't keep you in suspense — according to Orbitz data, August is generally the most inexpensive month to fly. Ideal for those who need a weekend getaway or just a break from it all before the weather changes. The least affordable time to fly is in the middle of summer, with ticket prices peaking in June.
Which airlines allow free cancellation?
Orbitz makes it a cinch to find airlines offering fare flexibility. Simply choose "Filter by flexible change policies" when searching for your St. Charles flights and hey presto! You'll see options that include free cancellation, no change fees and of course, the very best price.
What do I need for the flight to St. Charles?
The secret to a smooth and comfortable flight is being well prepared. Here are some tips to help you get ready for your journey:

  • Whether you print it out at home or use an electronic one, you'll need your boarding pass to walk on to the plane. You'll also need some kind of government-issued identification. If you're flying internationally, make sure your passport is valid.
  • To keep you entertained on the short hop to St. Charles, download your favorite tracks or stock up the podcast library on your phone. Food can also be a nice distraction while in the air, so take some light snacks.
  • Even if you're flying when it's 100 degrees outside, take a sweater or cardigan on board with you. Airplane cabins can get a bit chilly!

How many direct flights are there to St. Charles?
Every month, there are 482 direct flights into St. Charles. Choose from a range of airline companies, including Southwest Airlines, American Airlines and Delta Air Lines. Other airlines that fly to St. Charles nonstop are United Airlines, Cape Air and Frontier Airlines.
How do I get cheap first-class/business deals to St. Charles?
Experienced travelers have a talent for finding first or business-class fares to St. Charles that don't cost an arm and a leg. Follow their lead with these useful tips:

  • Being flexible isn't just a yoga thing. Avoid locking in your travel dates so you can pick up cheaper airfares when a huge sale drops.
  • Search for a low-cost airline that offers seats in business class. They often come with more legroom and a glass of Champagne — but without the high price.
  • Bid for an upgrade in online auctions or upgrade your fare with your frequent flyer points.

How to get into St. Charles from the airport?
A Lambert-St. Louis Intl. Airport (STL) car rental is a convenient way of getting from STL airport to downtown St. Charles. Score a set of wheels from one of the major rental outlets on-site, like Budget, Avis or Thrifty Car Rental and then head west. You'll need to drive 7 miles before you reach the city center. St. Charles car rentals is another popular option situated downtown if you'd prefer not to drive immediately after you get off the plane.
What is the best time to go to St. Charles?
St. Charles is an exciting getaway destination year-round, but the most popular months are March, April and November. If you're a fan of warm weather, make your way there in summertime. Like most places in the Northern Hemisphere, the summer season begins June 20. Temperatures usually float between 70 ºF and 85 ºF during the daytime.

More to Explore

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.