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St. Charles

$35+ Cheap flights from Dallas/Fort Worth (DFW) 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas/Fort Worth to St. Charles are usually found in August or July, booked 75 days in advance, depart on a Thursday or Monday and return on a Friday

Cheap flight deals from Dallas/Fort Worth to St. Charles

Keep the following information in mind while searching for Dallas/Fort Worth to St. Charles flight deals. Data was last updated September 15, 2025.

Round-trip from

$114
(Priceline)

One-way from

$35
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$262
From Dallas/Fort Worth to St. Charles
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One-way flight from Dallas/Fort Worth to St. Charles
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Highest demand for flights based on searches. 14% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dallas/Fort Worth to St. Charles

Cheapest flights from Dallas/Fort Worth to St. Charles
Explore the most affordable flight options available from Dallas/Fort Worth to St. Charles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:00 amDFW - STL
1 stop7h 57mFrontier
Sun 11/912:10 pmSTL - DFW
Nonstop1h 57mFrontier
Deal found 9/14$114
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:00 amDFW - STL
1 stop27h 06mFrontier
Sun 10/510:39 amSTL - DFW
Nonstop1h 50mFrontier
Deal found 9/14$115
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:00 amDFW - STL
Nonstop1h 54mFrontier
Thu 10/210:49 amSTL - DFW
Nonstop1h 50mFrontier
Deal found 9/14$118
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:25 pmDFW - STL
1 stop11h 42mFrontier
Sun 11/212:20 pmSTL - DFW
Nonstop1h 57mFrontier
Deal found 9/14$120
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:17 amDFW - STL
Nonstop1h 52mFrontier
Mon 11/109:07 pmSTL - DFW
1 stop15h 52mFrontier
Deal found 9/15$121
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:30 amDFW - STL
Nonstop1h 52mFrontier
Sun 10/1910:17 amSTL - DFW
Nonstop1h 57mFrontier
Deal found 9/13$124
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:30 amDFW - STL
Nonstop1h 52mFrontier
Sun 10/1910:17 amSTL - DFW
Nonstop1h 57mFrontier
Deal found 9/14$126
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:30 amDFW - STL
Nonstop1h 52mFrontier
Tue 10/147:52 pmSTL - DFW
1 stop13h 17mFrontier
Deal found 9/14$129
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:25 pmDFW - STL
1 stop10h 42mFrontier
Sun 11/912:10 pmSTL - DFW
Nonstop1h 57mFrontier
Deal found 9/14$131
This Orbitz deal was found by Cheapflights users on 9/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:00 amDFW - STL
Nonstop1h 54mMultiple Airlines
Thu 9/2510:35 amSTL - DFW
1 stop7h 22mMultiple Airlines
Deal found 9/13$132
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:00 amDFW - STL
1 stop7h 56mFrontier
Sun 10/1210:17 amSTL - DFW
Nonstop1h 57mFrontier
Deal found 9/14$134

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth 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 September 15, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to St. Charles that are best for you.

Fly from

Dallas/Fort Worth

Fly to

St. Charles

Route

Depart

Return

Price

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sun 9/21

6:00 am-9:06 am

1 stop27h 06m

Lambert-St Louis

Sun 10/5

10:39 am-12:29 pm

Nonstop1h 50m

$129

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 10/27

7:40 am-9:32 am

Nonstop1h 52m

Lambert-St Louis

Thu 10/30

11:07 am-12:10 am

2 stops13h 03m

$151

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 10/15

2:22 pm-9:07 am

1 stop18h 45m

Lambert-St Louis

Fri 10/24

6:42 pm-10:26 am

1 stop15h 44m

$155

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 10/3

10:45 pm-9:06 am

2 stops10h 21m

Lambert-St Louis

Sun 10/5

10:39 am-12:29 pm

Nonstop1h 50m

$155

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 10/28

7:45 am-9:07 am

1 stop25h 22m

Lambert-St Louis

Tue 11/4

7:45 pm-11:09 am

1 stop15h 24m

$157

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 10/9

7:30 am-9:22 am

Nonstop1h 52m

Lambert-St Louis

Sun 10/12

7:52 pm-9:31 am

1 stop13h 39m

$158

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sun 9/21

5:45 am-3:04 pm

1 stop9h 19m

Lambert-St Louis

Mon 9/29

4:00 pm-10:08 pm

1 stop6h 08m

$160

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 10/30

1:51 pm-3:57 pm

1 stop26h 06m

Lambert-St Louis

Sun 11/2

2:12 pm-7:57 am

1 stop17h 45m

$165

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 10/9

7:52 pm-10:37 am

2 stops14h 45m

Lambert-St Louis

Sun 10/12

10:17 am-12:14 pm

Nonstop1h 57m

$175

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 9/19

6:00 am-9:06 am

1 stop27h 06m

Lambert-St Louis

Sun 10/5

10:39 am-12:29 pm

Nonstop1h 50m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 21 results
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Best time to book a flight from Dallas/Fort Worth to St. Charles

Have a flexible travel schedule? Discover the best time to fly to St. Charles from Dallas/Fort Worth 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 Dallas/Fort Worth Airport to St. Charles

How far ahead should I book a flight from Dallas/Fort Worth Airport to St. Charles?

Use this chart to determine the optimal time to book a round-trip flight from Dallas/Fort Worth to St. Charles. Price data was last updated on September 12, 2025.

The best time to book flights from Dallas/Fort Worth Airport to St. Charles is 75 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 Dallas/Fort Worth Airport to St. Charles?

Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to St. Charles (average of $311). Flying from Dallas/Fort Worth Airport to St. Charles in March is currently the most expensive (average of $356). 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 DFW to CH5?

Find hourly flight availability from Dallas/Fort Worth 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dallas/Fort Worth Airport to St. Charles as you normally would.

What is the cheapest day to fly from Dallas/Fort Worth Airport to St. Charles?

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to St. Charles. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to St. Charles flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dallas/Fort Worth Airport to St. Charles

Explore weekly flight availability from Dallas/Fort Worth to St. Charles. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from DFW to CH5 are scheduled on a Monday (29 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (22 on average).

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 September 15, 2025.
Read reviews from past customers who have flown Southwest, American Airlines, and Frontier from Dallas/Fort Worth Airport to St. Charles. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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

  • How long is the flight from Dallas/Fort Worth Airport to St. Charles?

    A quick flight from Dallas/Fort Worth Airport to St. Charles can take about 27h 06m. Frontier provides one of the quickest options available for as low as $129. There are 550 mi between Dallas/Fort Worth Airport and St. Charles.

  • What are the most reliable airlines from Dallas/Fort Worth Airport to St. Charles?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dallas/Fort Worth Airport to St. Charles on time: Frontier (100%), GOL (83%), Envoy Air (71%).

  • What are the cheapest flights from Dallas/Fort Worth Airport to St. Charles?

    The cheapest flight price from Dallas/Fort Worth Airport to St. Charles is $65. On average you can expect to pay $161. The most popular route, (Dallas/Fort Worth - Lambert-St Louis), can usually be booked for $66.

  • Can I find deals for flights from Dallas/Fort Worth to St. Charles that include hotel bookings?

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

  • How can I find direct flights from Dallas/Fort Worth to St. Charles?

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

  • Can I find deals for business class flights from Dallas/Fort Worth to St. Charles?

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth 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 Dallas/Fort Worth Airport to St. Charles?

    Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to St. Charles (average of $311). Flying from Dallas/Fort Worth Airport to St. Charles in March is currently the most expensive (average of $356). 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 Dallas/Fort Worth to St. Charles

Discover the top 3 airlines that operate flights from Dallas/Fort Worth 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$76Average$179FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$177Average$296FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$177Average$438FlexibilityNo cancel feeOn-time71%

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