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St. Charles

$64+ Cheap flights from Charlotte (CLT) to St. Charles, MO

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — STL
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheapflights Tip: The best prices from Charlotte Douglas to St. Charles are usually found in August or October, booked 57 days in advance, depart on a Saturday or Thursday and return on a Wednesday

Cheap flight deals from Charlotte to St. Charles

Cheapest flights from Charlotte to St. Charles
Explore the most affordable flight options available from Charlotte to St. Charles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Delta deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:05 pmCLT - STL
1 stop5h 36mDelta
Wed 12/316:00 amSTL - CLT
1 stop3h 53mDelta
Deal found 12/13$237
This American Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:00 pmCLT - STL
Nonstop2h 00mAmerican Airlines
Thu 1/153:54 pmSTL - CLT
Nonstop1h 50mAmerican Airlines
Deal found 12/14$240
This Expedia deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:22 pmCLT - STL
1 stop9h 11mFrontier
Mon 1/54:27 pmSTL - CLT
1 stop23h 15mFrontier
Deal found 12/13$242
This Southwest deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:10 amCLT - STL
1 stop4h 30mSouthwest
Thu 1/152:55 pmSTL - CLT
Nonstop1h 45mSouthwest
Deal found 12/14$243
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:34 pmCLT - STL
2 stops13h 06mMultiple Airlines
Wed 1/75:11 pmSTL - CLT
1 stop13h 41mMultiple Airlines
Deal found 12/13$250
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:24 amCLT - STL
Nonstop2h 11mAmerican Airlines
Sat 12/275:00 amSTL - CLT
Nonstop1h 59mAmerican Airlines
Deal found 12/15$252
This Delta deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:05 pmCLT - STL
1 stop5h 36mDelta
Wed 1/76:00 amSTL - CLT
1 stop3h 50mDelta
Deal found 12/13$253
This American Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:00 amCLT - STL
Nonstop1h 59mAmerican Airlines
Wed 12/315:05 amSTL - CLT
1 stop6h 24mAmerican Airlines
Deal found 12/13$262
This Frontier deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:51 pmCLT - STL
1 stop8h 42mFrontier
Mon 1/510:40 amSTL - CLT
1 stop9h 18mFrontier
Deal found 12/13$263
This Expedia deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:43 pmCLT - STL
1 stop25h 50mFrontier
Sun 1/44:27 pmSTL - CLT
1 stop27h 31mFrontier
Deal found 12/15$268
This Delta deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:05 pmCLT - STL
1 stop5h 36mDelta
Sat 1/35:55 amSTL - CLT
1 stop3h 58mDelta
Deal found 12/13$272

Find flight deals from Charlotte to St. Charles

Keep the following information in mind while searching for Charlotte to St. Charles flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$133
(Kiwi.com)

One-way from

$64
(Frontier)

Popular in

March

Cheapest in

August

Average price

$310
Provider with most accurate pricing for Charlotte Douglas-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charlotte Douglas-Lambert-St Louis flights.
Search Deals
From Charlotte Douglas to St. Charles
Search Deals
One-way flight from Charlotte Douglas to St. Charles
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charlotte to St. Charles that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Charlotte to St. Charles that are best for you.

Fly from

Charlotte

Fly to

St. Charles

Route

Depart

Return

Price

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Wed 1/7

9:34 pm-2:48 pm

2 stops18h 14m

Lambert-St Louis

Sun 1/11

5:11 pm-9:02 am

1 stop14h 51m

$170

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Sat 4/18

11:00 am-12:05 pm

Nonstop2h 05m

Lambert-St Louis

Wed 4/22

2:34 pm-5:30 pm

Nonstop1h 56m

$217

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Tue 1/6

8:46 pm-10:33 pm

1 stop26h 47m

Lambert-St Louis

Thu 1/29

10:01 pm-4:18 pm

2 stops17h 17m

$222

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Tue 1/13

1:35 pm-9:45 pm

1 stop9h 10m

Lambert-St Louis

Tue 1/20

2:30 pm-5:15 pm

Nonstop1h 45m

$227

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Tue 1/27

8:25 am-9:35 am

Nonstop2h 10m

Lambert-St Louis

Thu 1/29

2:30 pm-5:15 pm

Nonstop1h 45m

$235

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Sat 4/18

6:00 am-9:30 am

1 stop4h 30m

Lambert-St Louis

Wed 4/22

7:20 am-1:31 pm

1 stop5h 11m

$237

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Fri 1/16

5:05 pm-6:15 pm

Nonstop2h 10m

Lambert-St Louis

Sun 1/18

9:00 am-5:20 pm

1 stop7h 20m

$250

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Wed 12/31

5:09 pm-9:43 pm

1 stop5h 34m

Lambert-St Louis

Thu 1/15

11:20 am-5:24 pm

1 stop5h 04m

$253

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Thu 1/22

8:25 am-9:35 am

Nonstop2h 10m

Lambert-St Louis

Thu 1/29

2:30 pm-5:15 pm

Nonstop1h 45m

$253

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Wed 2/11

2:46 pm-10:27 pm

1 stop8h 41m

$64

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 20 results
1
2

Best time to book a flight from Charlotte to St. Charles

Have a flexible travel schedule? Discover the best time to fly to St. Charles from Charlotte with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Charlotte to St. Charles

How far ahead should I book a flight from Charlotte to St. Charles?

Use this chart to determine the optimal time to book a round-trip flight from Charlotte to St. Charles. Price data was last updated on December 12, 2025.

The best time to book flights from Charlotte to St. Charles is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Charlotte to St. Charles?

Currently, June is the cheapest month in which you can book a flight from Charlotte to St. Charles (average of $108). Flying from Charlotte to St. Charles in March is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CLT to CH5?

Find hourly flight availability from Charlotte to St. Charles. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

One of the essential ways to save on airfare from Charlotte to St. Charles is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 13% on airfare.

What is the cheapest day to fly from Charlotte to St. Charles?

Use this chart to determine the cheapest time to fly round-trip from Charlotte to St. Charles. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Charlotte to St. Charles flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing St. Charles

Get insights into the airlines that provide service to St. Charles. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Charles. Reviews last updated December 16, 2025.
See what other customers who have flown with Southwest, Delta, and American Airlines from Charlotte to St. Charles have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,010 reviews
Southwest
7.9
Good
4,250 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,048 reviews
Southwest
7.9
Good
4,250 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Charlotte to St. Charles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Charlotte to St. Charles?

    If you book a flight to St. Charles from Charlotte, you will be flying from Douglas, which is the city’s only airport. Charlotte Douglas (CLT) is located 5.7 mi from the center of Charlotte. There are 2 flights from Douglas to St. Charles per day from 3 different airlines.

  • How popular is this Charlotte to St. Charles flight route?

    Within the past month, 21 users have taken a look at flights from Charlotte Douglas to St. Charles.

  • How long is the flight from Charlotte to St. Charles?

    American Airlines, Frontier, and Southwest can get you from Charlotte to St. Charles in just under 2h 05m. Your travel time can differ by up to 24h 42m. There are 574 mi between Charlotte and St. Charles. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Charlotte to St. Charles one-way?

    $62 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $108 and $125, respectively.

  • What are the most reliable airlines from Charlotte to St. Charles?

    Consider British Airways (86%), American Airlines (82%) or Southwest (80%) when booking your flight. These represent the most reliable airlines when flying from Charlotte to St. Charles.

  • What are the cheapest flights from Charlotte to St. Charles?

    Looking for the cheapest flight from Charlotte to St. Charles? While on average our users pay $295, our data indicates the cheapest price to be $152. The most popular route (Charlotte Douglas - Lambert-St Louis), is priced around $133.

  • Can I find deals for flights from Charlotte to St. Charles that include hotel bookings?

    Yes. In addition to deals on Charlotte to St. Charles flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charlotte to St. Charles?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charlotte to St. Charles.

  • Can I find deals for business class flights from Charlotte to St. Charles?

    Yes. Cheapflights offers flight deals from Charlotte to St. Charles by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Charlotte to St. Charles?

    Currently, June is the cheapest month in which you can book a flight from Charlotte to St. Charles (average of $108). Flying from Charlotte to St. Charles in March is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from Charlotte to St. Charles

Discover the top 3 airlines that operate flights from Charlotte to St. Charles. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$149Average$337FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$217Average$322FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$217Average$397FlexibilityNo cancel feeOn-time71%

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