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$88 Cheap Flights from Charlotte (CLT) to St. Louis (STL)

View $88 flight on Mon, Sep 21, 2026Opens in a new window

Popular airlines from Charlotte-Douglas Intl. Airport (CLT) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Charlotte to St. Louis (CLT-STL)

Prices were available within the past 7 days and start at $88 for one-way flights and $187 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Sep 17 - Mon, Sep 21
CLT
Charlotte
STL
St. Louis
$187 Roundtrip, just found
$187
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 17 from Charlotte to St. Louis, returning Mon, Sep 21, priced at $187 just found
Frontier Airlines
Mon, Sep 21 - Mon, Sep 28
CLT
Charlotte
STL
St. Louis
$188 Roundtrip, found 3 days ago
$188
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Sep 21 from Charlotte to St. Louis, returning Mon, Sep 28, priced at $188 found 3 days ago
Frontier Airlines
Thu, Sep 17 - Mon, Sep 21
CLT
Charlotte
STL
St. Louis
$192 Roundtrip, just found
$192
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 17 from Charlotte to St. Louis, returning Mon, Sep 21, priced at $192 just found
Frontier Airlines
Thu, Sep 17 - Tue, Sep 22
CLT
Charlotte
STL
St. Louis
$197 Roundtrip, found 3 hours ago
$197
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Sep 17 from Charlotte to St. Louis, returning Tue, Sep 22, priced at $197 found 3 hours ago
American Airlines
Thu, Sep 17 - Mon, Sep 21
CLT
Charlotte
STL
St. Louis
$197 Roundtrip, just found
$197
Roundtrip
just found
Select American Airlines flight, departing Thu, Sep 17 from Charlotte to St. Louis, returning Mon, Sep 21, priced at $197 just found
Frontier Airlines
Thu, Sep 24 - Mon, Sep 28
CLT
Charlotte
STL
St. Louis
$199 Roundtrip, found 3 days ago
$199
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Sep 24 from Charlotte to St. Louis, returning Mon, Sep 28, priced at $199 found 3 days ago
Frontier Airlines
Thu, Sep 17 - Tue, Sep 22
CLT
Charlotte
STL
St. Louis
$202 Roundtrip, found 3 hours ago
$202
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Sep 17 from Charlotte to St. Louis, returning Tue, Sep 22, priced at $202 found 3 hours ago
Southwest Airlines
Wed, Oct 7 - Sat, Oct 10
CLT
Charlotte
STL
St. Louis
$207 Roundtrip, found 3 hours ago
$207
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Oct 7 from Charlotte to St. Louis, returning Sat, Oct 10, priced at $207 found 3 hours ago
United
Tue, Oct 13 - Wed, Oct 14
CLT
Charlotte
STL
St. Louis
$212 Roundtrip, found 3 hours ago
$212
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Oct 13 from Charlotte to St. Louis, returning Wed, Oct 14, priced at $212 found 3 hours ago
Delta
Tue, Sep 22 - Sat, Sep 26
CLT
Charlotte
STL
St. Louis
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Delta flight, departing Tue, Sep 22 from Charlotte to St. Louis, returning Sat, Sep 26, priced at $217 just found

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $320
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $320

Find the cheapest month to fly from Charlotte (CLT) to St. Louis (STL)

January is typically the cheapest month to fly

From $128 - $311 per traveler.

What you need to know for your flight from Charlotte-Douglas Intl. to Lambert-St. Louis Intl.

Charlotte (CLT) to St. Louis (STL) at a glance

Travel from Charlotte (CLT) to St. Louis (STL) with a range of airlines servicing this short domestic route. Discover options for cheap flights from Charlotte and compare various full-service and low-cost carriers to find the best itinerary that aligns with your budget and schedule. As you plan your visit to explore the iconic attractions and neighborhoods of St. Louis, gather essential information about flights from Charlotte-Douglas International Airport to Lambert-St. Louis International Airport.

  • Fastest flight duration: around 2 hours non-stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 15+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $105–$370, depending on seasonality and how far ahead you book

Flights from Charlotte-Douglas International Airport (CLT) to Lambert-St. Louis International Airport (STL)

Based on the latest traveler bookings, here are the top airline choices for flights from Charlotte to St. Louis, favored for both non-stop and one-stop options. Common layover points include Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of about 1 hour and 15 minutes, Nashville International Airport (BNA) at approximately 55 minutes, and Detroit Metropolitan Wayne County Airport (DTW) with a 1-hour layover. These selections offer you the flexibility to balance price, total travel time, and cabin class for the ideal itinerary.

  • American Airlines: This full-service airline provides both non-stop and one-stop options, with one-way fares generally falling between $120 and $405. It holds a significant market share, making up about 65% of departures on this route, and the average non-stop flight duration is around 2 hours.
  • Southwest Airlines: As a budget-friendly carrier, Southwest offers non-stop and one-stop services, with one-way ticket prices usually ranging from $105 to $300. It accounts for about 22% of departures on this route, and the typical non-stop flight time is also 2 hours.
  • Delta: This full-service airline features one-stop routes, with one-way fares typically between $120 and $395. Delta represents roughly 8% of departures on this route, with an in-flight duration of 3 hours and 15 minutes, totaling around 4 hours and 45 minutes including layover time.
  • Frontier Airlines: A low-cost option, Frontier Airlines offers one-stop services with one-way fares generally ranging from $105 to $230. It makes up about 2% of departures for this route, with an in-flight time of 3 hours and 15 minutes and a total journey time of approximately 4 hours and 45 minutes, including layover.
  • United: This full-service carrier provides one-stop service, and its one-way fares typically range from $135 to $215. United represents around 2% of departures on this route, offering an in-flight time of 3 hours and 15 minutes, with a total travel time of about 4 hours and 45 minutes, including layover.

Travelers flying from Charlotte to St. Louis can opt for an upgrade, as American Airlines provides first-class service on this route.

Best time to fly from Charlotte (CLT) to St. Louis (STL)

The most popular months for travelers flying from Charlotte to St. Louis are March, April, and October, when peak temperatures in St. Louis reach up to 58.6°F in October. If you prefer quieter travel, consider June, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 76.1°F. For better deals, July and August usually offer the lowest average one-way fares around $175. Flight availability peaks in October, with approximately 24 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 15 flights per week.

  • Cheapest time to fly: July and August usually offer good deals with average one-way fares around $175, roughly 13% cheaper than the yearly average.
  • More budget-friendly months to fly: December and November typically offer average one-way fares of around $180.
  • Most flight options: October has the highest number of flights from Charlotte to St. Louis, with approximately 24 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January31.6°F (-0.2°C)Average15$216
February34.9°F (1.6°C)Slightly Low16$217
March46.4°F (8.0°C)Slightly High18$256
April56.1°F (13.4°C)Slightly High18$238
May66.6°F (19.2°C)Slightly Low17$210
June76.1°F (24.5°C)Slightly Low19$206
July78.6°F (25.9°C)Average20$175
August77.0°F (25.0°C)Average20$175
September70.9°F (21.6°C)Average21$198
October58.6°F (14.8°C)Slightly High24$191
November46.2°F (7.9°C)Average22$184
December37.8°F (3.2°C)Average23$176

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Charlotte (CLT) to St. Louis (STL)

  • Charlotte to St. Louis (CLT-SUS): Spirit of St. Louis Airport (SUS) is located approximately 16 miles from Lambert-St. Louis International Airport (STL).
  • Charlotte to St. Louis (CLT-CPS): St. Louis Downtown Airport (CPS) lies around 16 miles from Lambert-St. Louis International Airport (STL).
  • Concord to St. Louis (USA-STL): Concord Regional Airport (USA) is situated about 17 miles from Charlotte-Douglas International Airport (CLT).

How to find the best prices for flights from Charlotte (CLT) to St. Louis (STL)

Getting some of the best deals on flights from Charlotte to St. Louis is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking at least 2 months in advance, although most travelers book 2-8 weeks ahead. Evening departures (6 PM-12 AM) tend to offer lower prices, while morning flights (5 AM-12 PM) are the most popular. Additionally, flying on Sunday often results in cheaper fares, whereas Friday is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Lambert-St. Louis International Airport from Charlotte-Douglas International Airport

St. Louis welcomes travelers from Charlotte with a range of transport options based on price, convenience, and proximity. Here's how to reach St. Louis efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in St. Louis, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Lambert-St. Louis International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Lambert-St. Louis International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Lambert-St. Louis International Airport, Lambert Main Terminal Station, a metro station, is conveniently located just 0.1 miles away on foot, providing easy access to public transportation.

Frequently asked questions

How much does a flight from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from $88 and cheap return flights from $187 Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) with Expedia. One-way flights usually range from $160 to $669, and return flights typically cost between $299 and $1006. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
September is the cheapest month to fly from Charlotte, NC (CLT) to St. Louis, MO (STL), with average round-trip fares around $314. This price is about 9% lower than the average throughout the year, as September typically sees a drop in travel demand after the summer. Other budget-friendly months include August and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
American Airlines offers around 36 weekly direct flights from CLT to STL.
What is the cheapest airline that flies from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
American Airlines is one of the cheapest airlines offering nonstop flights from Charlotte (CLT) to St. Louis (STL), with round-trip tickets starting from around $304. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best airline to fly with from Charlotte, NC (CLT) to St. Louis, MO (STL) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. American Airlines offers the most daily flights from Charlotte to St. Louis, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
When flying from Charlotte, NC (CLT) to St. Louis, MO (STL), September and October are the best months to consider. Both months are popular for travel, and you can find return flights for about $314. September offers pleasant weather, while October showcases beautiful fall foliage, enhancing your travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are approximately 6 nonstop flights per day from Charlotte-Douglas Intl. (CLT) to Lambert-St. Louis Intl. (STL). For more options, look at flights that include layovers.
What is the earliest flight from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Charlotte-Douglas International Airport (CLT) to Lambert-St. Louis International Airport (STL) usually departs at around 5:00 AM. This seasonal service is available in March, allowing you to start your day early in St. Louis. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Charlotte-Douglas Intl. (CLT) to Lambert-St. Louis Intl. (STL) are in the late morning, from 9am to noon. About 23% of passengers prefer this time window. Many major carriers, including American Airlines, Delta, and United, offer flights during this window. This timing works well because it allows you to start your day in Charlotte and arrive in St. Louis with plenty of time to explore.
How long does it take to fly from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A nonstop flight from CLT to STL typically takes around 2 hours, covering approximately 574 miles. Connecting flights on this route usually add 2 hours 50 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
You can fly first class between CLT and STL. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines
  • Spirit Airlines

How much is a business class flight from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A direct, return business class ticket from Charlotte, NC (CLT) to St. Louis, MO (STL) typically costs between $1,144 - $1,620 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from Charlotte-Douglas Intl. (CLT)?
From Charlotte-Douglas Intl. (CLT), you can fly into Lambert-St. Louis Intl. (STL) to reach St. Louis. Some flights may connect through major hubs like Washington Dulles Intl. (IAD), Liberty Intl. (EWR), Baltimore Washington Intl. Thurgood Marshall (BWI) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) St Louis Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Charlotte, NC (CLT-Charlotte-Douglas Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Charlotte-Douglas Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$186
Distance
573 mi

Book with confidence

Charlotte to St. Louis Flights

The cheapest times to fly from Charlotte to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Charlotte to St. Louis are during the month of September. You can find some of the cheapest flights from Charlotte to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Charlotte to St. Louis

Sunday is one of the best days to book for cheap flights from Charlotte to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Charlotte to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Charlotte to St. Louis in 2026. You can also book with separate airlines for your outbound and return journeys, from $88 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Charlotte to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Charlotte to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Charlotte to St. Louis Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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