St. Charles

$80+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — STL
Mar 25 — Apr 11
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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 Friday 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 February 23, 2026.

This Expedia deal was found by Cheapflights users on 2/21. 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.
Thu 4/91:46 pm
CLT
-
STL
1 stop19h 05m
Frontier
Mon 4/138:41 am
STL
-
CLT
1 stop14h 55m
Frontier
Deal found 2/21$160
This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:05 pm
CLT
-
STL
1 stop28h 14m
Frontier
Sun 4/264:55 pm
STL
-
CLT
1 stop16h 35m
Frontier
Deal found 2/19$171
This Expedia deal was found by Cheapflights users on 2/22. 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 4/1310:49 pm
CLT
-
STL
1 stop25h 30m
Frontier
Thu 4/168:06 pm
STL
-
CLT
1 stop20h 29m
Frontier
Deal found 2/22$181
This Expedia deal was found by Cheapflights users on 2/20. 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 3/101:59 pm
CLT
-
STL
1 stop10h 20m
Frontier
Thu 3/199:05 pm
STL
-
CLT
1 stop11h 11m
Frontier
Deal found 2/20$189
This CheapOair deal was found by Cheapflights users on 2/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:41 pm
CLT
-
STL
1 stop6h 38m
Frontier
Sun 5/178:12 pm
STL
-
CLT
1 stop21h 42m
Frontier
Deal found 2/21$192
This Frontier deal was found by Cheapflights users on 2/19. 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.
Tue 3/311:59 pm
CLT
-
STL
1 stop10h 20m
Frontier
Mon 4/64:59 pm
STL
-
CLT
1 stop6h 37m
Frontier
Deal found 2/19$195
This CheapOair deal was found by Cheapflights users on 2/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:44 am
CLT
-
STL
1 stop17h 15m
Frontier
Tue 3/33:49 pm
STL
-
CLT
1 stop21h 02m
Frontier
Deal found 2/20$213
This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:32 pm
CLT
-
STL
1 stop9h 47m
Frontier
Wed 3/114:51 pm
STL
-
CLT
1 stop14h 12m
Frontier
Deal found 2/19$216
This Frontier deal was found by Cheapflights users on 2/19. 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.
Fri 3/1310:06 am
CLT
-
STL
1 stop8h 34m
Frontier
Mon 3/168:10 pm
STL
-
CLT
1 stop10h 53m
Frontier
Deal found 2/19$224
This CheapOair deal was found by Cheapflights users on 2/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:59 pm
CLT
-
STL
1 stop10h 20m
Frontier
Wed 3/258:12 pm
STL
-
CLT
1 stop21h 36m
Frontier
Deal found 2/21$226
This Priceline deal was found by Cheapflights users on 2/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/310:49 pm
CLT
-
STL
1 stop10h 02m
Frontier
Mon 4/64:59 pm
STL
-
CLT
1 stop6h 37m
Frontier
Deal found 2/19$230
This American Airlines deal was found by Cheapflights users on 2/19. 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 4/297:26 am
CLT
-
STL
Nonstop2h 04m
American Airlines
Wed 5/136:54 pm
STL
-
CLT
Nonstop2h 00m
American Airlines
Deal found 2/19$231

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 February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Expedia)

One-way from

$80
(Priceline)

Popular in

July

Cheapest in

August

Average price

$353
Provider with most accurate pricing for Charlotte Douglas-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Charlotte Douglas-Lambert-St Louis flights.
From Charlotte Douglas to St. Charles
One-way flight from Charlotte Douglas to St. Charles
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 23, 2026.
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 4/15

7:49 pm-7:12 pm

1 stop24h 23m

Lambert-St Louis

Sat 4/18

4:55 pm-2:41 pm

1 stop20h 46m

$171

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Mon 4/20

8:05 pm-11:19 pm

1 stop28h 14m

Lambert-St Louis

Sat 4/25

8:12 pm-6:54 pm

1 stop21h 42m

$171

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Mon 3/9

2:32 pm-11:19 pm

1 stop9h 47m

Lambert-St Louis

Wed 3/11

4:51 pm-8:03 am

1 stop14h 12m

$216

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Wed 3/18

1:59 pm-11:19 pm

1 stop10h 20m

Lambert-St Louis

Wed 3/25

4:51 pm-5:08 pm

1 stop23h 17m

$226

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Tue 4/21

8:40 am-9:44 am

Nonstop2h 04m

Lambert-St Louis

Sat 4/25

6:53 pm-9:50 pm

Nonstop1h 57m

$233

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Wed 3/18

7:30 am-8:35 am

Nonstop2h 05m

Lambert-St Louis

Wed 3/25

8:00 am-1:32 pm

1 stop4h 32m

$241

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Wed 4/15

7:26 am-8:30 am

Nonstop2h 04m

Lambert-St Louis

Sat 4/18

7:05 am-2:26 pm

1 stop6h 21m

$241

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Thu 3/5

1:17 pm-7:02 am

1 stop18h 45m

Lambert-St Louis

Sun 3/8

9:05 pm-9:16 am

1 stop11h 11m

$250

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Sat 4/4

5:30 am-9:02 am

1 stop4h 32m

Lambert-St Louis

Sat 4/11

6:32 am-12:02 pm

1 stop4h 30m

$251

CharlotteSt. Louis

CLT - STL

CLTSTL

Charlotte Douglas

Wed 3/18

12:50 pm-6:45 pm

1 stop6h 55m

Lambert-St Louis

Wed 3/25

10:15 am-6:20 pm

2 stops7h 05m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 21 results
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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 February 20, 2026.

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 July 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 February 23, 2026.

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 in the morning could potentially save you up to 8% 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 February 21, 2026.

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. Monday at noon 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 February 23, 2026.
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.

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

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

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

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

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

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

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

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

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

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 3 flights from Douglas to St. Charles per day from 4 different airlines.

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

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

    Frontier and American Airlines can get you from Charlotte to St. Charles in just under 2h 04m. Your travel time can differ by up to 22h 19m. 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?

    $86 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 $108, respectively.

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

    Consider Southwest (87%), PSA Airlines (82%) or American Airlines (82%) 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 $302, our data indicates the cheapest price to be $174. The most popular route (Charlotte Douglas - Lambert-St Louis), is priced around $215.

  • 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 July 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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Alternative routes for Charlotte to St. Charles

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Charlotte to St. Charles

Discover the top 4 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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$199FlexibilityNo cancel feeOn-time62%
DeltaCheapest$149Average$283FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$216Average$311FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$217Average$447FlexibilityNo cancel feeOn-time71%

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