Cheap flights from Dallas/Fort Worth Airport to St. Louis from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas/Fort Worth Airport to St. Louis departing on 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Dallas/Fort Worth Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:23 pm - 3:08 pmDFW-STL
16h 45m1 stop
Frontier Logo
7:03 pm - 9:07 pmSTL-DFW
2h 04mnonstop
$110Frontier
Find Deal
Thu, Nov 27 - Mon, Dec 1
Frontier Logo
10:23 pm - 3:08 pmDFW-STL
16h 45m1 stop
Frontier Logo
7:03 pm - 9:07 pmSTL-DFW
2h 04mnonstop
$114Frontier
Find Deal
Thu, Nov 27 - Mon, Dec 1
Frontier Logo
2:09 pm - 10:33 pmDFW-STL
8h 24m1 stop
Frontier Logo
7:43 pm - 7:40 pmSTL-DFW
23h 57m1 stop
$118Frontier
Find Deal
Tue, Dec 9 - Sat, Dec 13
Frontier Logo
4:27 pm - 6:18 pmDFW-STL
1h 51mnonstop
Frontier Logo
7:03 pm - 9:07 pmSTL-DFW
2h 04mnonstop
$120Frontier
Find Deal
Wed, Nov 26 - Mon, Dec 1
Frontier Logo
9:00 pm - 8:59 amDFW-STL
11h 59m1 stop
Frontier Logo
7:43 pm - 9:44 amSTL-DFW
14h 01m1 stop
$123Frontier
Find Deal
Thu, Dec 11 - Wed, Dec 17
Frontier Logo
10:38 pm - 12:12 pmDFW-STL
13h 34m1 stop
Frontier Logo
5:11 pm - 12:24 pmSTL-DFW
19h 13m1 stop
$132Frontier
Find Deal
Sat, Dec 13 - Sun, Jan 11
Multiple Airlines Logo
4:54 pm - 9:40 amDFW-STL
16h 46m1 stop
Multiple Airlines Logo
5:11 pm - 8:04 amSTL-DFW
14h 53m1 stop
$138Multiple Airlines
Find Deal
Wed, Dec 31 - Tue, Jan 6
Frontier Logo
4:28 pm - 6:19 pmDFW-STL
1h 51mnonstop
Frontier Logo
12:07 pm - 12:09 amSTL-DFW
12h 02m2 stops
$139Frontier
Find Deal
Mon, Nov 24 - Mon, Dec 8
Frontier Logo
9:00 pm - 8:59 amDFW-STL
11h 59m1 stop
Frontier Logo
7:43 pm - 9:44 amSTL-DFW
14h 01m1 stop
$143Frontier
Find Deal
Sat, Dec 13 - Wed, Dec 17
American Airlines Logo
8:49 am - 10:36 amDFW-STL
1h 47mnonstop
American Airlines Logo
7:00 am - 9:11 amSTL-DFW
2h 11mnonstop
$149American Airlines
Find Deal
Wed, Dec 10 - Thu, Jan 1

American Airlines flights from Dallas/Fort Worth Airport to St. Louis

Our best American Airlines deals on Dallas/Fort Worth Airport to St. Louis flight tickets
American Airlines
Dec 10
DFW8:49 amDallas/Fort Worth
1h 47m
STL10:36 amLambert-St Louis
Jan 1
STL7:00 amLambert-St Louis
2h 11m
DFW9:11 amDallas/Fort Worth
American Airlines
Dec 13
DFW2:54 pmDallas/Fort Worth
1h 40m
STL4:34 pmLambert-St Louis
Dec 17
STL5:30 pmLambert-St Louis
2h 10m
DFW7:40 pmDallas/Fort Worth
American Airlines
Nov 24
DFW9:04 pmDallas/Fort Worth
1h 55m
STL10:59 pmLambert-St Louis
Dec 8
STL7:00 amLambert-St Louis
2h 16m
DFW9:16 amDallas/Fort Worth

Frontier flights from Dallas/Fort Worth Airport to St. Louis

Our best Frontier deals on Dallas/Fort Worth Airport to St. Louis flight tickets
Frontier
Nov 27
DFW10:23 pmDallas/Fort Worth
16h 45m
1 stop
STL3:08 pmLambert-St Louis
Dec 1
STL7:03 pmLambert-St Louis
2h 04m
DFW9:07 pmDallas/Fort Worth
Frontier
Nov 27
DFW10:23 pmDallas/Fort Worth
16h 45m
1 stop
STL3:08 pmLambert-St Louis
Dec 1
STL7:03 pmLambert-St Louis
2h 04m
DFW9:07 pmDallas/Fort Worth
Frontier
Dec 9
DFW2:09 pmDallas/Fort Worth
8h 24m
1 stop
STL10:33 pmLambert-St Louis
Dec 13
STL7:43 pmLambert-St Louis
23h 57m
1 stop
DFW7:40 pmDallas/Fort Worth

momondo Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth Airport to St. Louis 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, momondo users made 832,500 searches. Data last updated November 14, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 11/27

10:23 pm-3:08 pm

1 stop16h 45m

Lambert-St Louis

Mon 12/1

7:03 pm-9:07 pm

Nonstop2h 04m

$110

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 11/27

10:23 pm-3:08 pm

1 stop16h 45m

Lambert-St Louis

Mon 12/1

7:03 pm-9:07 pm

Nonstop2h 04m

$114

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 12/9

2:09 pm-10:33 pm

1 stop8h 24m

Lambert-St Louis

Sat 12/13

7:43 pm-7:40 pm

1 stop23h 57m

$118

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 11/26

4:27 pm-6:18 pm

Nonstop1h 51m

Lambert-St Louis

Mon 12/1

7:03 pm-9:07 pm

Nonstop2h 04m

$120

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 12/11

9:00 pm-8:59 am

1 stop11h 59m

Lambert-St Louis

Wed 12/17

7:43 pm-9:44 am

1 stop14h 01m

$123

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 12/13

10:38 pm-12:12 pm

1 stop13h 34m

Lambert-St Louis

Sun 1/11

5:11 pm-12:24 pm

1 stop19h 13m

$132

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 12/31

4:54 pm-9:40 am

1 stop16h 46m

Lambert-St Louis

Tue 1/6

5:11 pm-8:04 am

1 stop14h 53m

$138

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 11/24

4:28 pm-6:19 pm

Nonstop1h 51m

Lambert-St Louis

Mon 12/8

12:07 pm-12:09 am

2 stops12h 02m

$139

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 12/13

9:00 pm-8:59 am

1 stop11h 59m

Lambert-St Louis

Wed 12/17

7:43 pm-9:44 am

1 stop14h 01m

$143

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 12/10

8:49 am-10:36 am

Nonstop1h 47m

Lambert-St Louis

Thu 1/1

7:00 am-9:11 am

Nonstop2h 11m

$149

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

How to get the cheapest flight ticket from Dallas/Fort Worth Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, August is the cheapest month to fly from Dallas/Fort Worth Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $226. The month of July is another great option to travel to St. Louis, with average flight prices from Dallas/Fort Worth Airport averaging around $234.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $218. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $336. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Dallas/Fort Worth Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $280 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $359 per ticket.

What is the cheapest Dallas/Fort Worth to Lambert-St Louis flight route?

Fly from Dallas/Fort Worth to Lambert-St Louis for the best Dallas/Fort Worth - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Dallas/Fort Worth Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $284 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Dallas/Fort Worth Airport for as low as $236 on momondo.

What cabin class options are available on Dallas/Fort Worth to Lambert-St Louis flights?

There are 3 cabin classes available to choose from on Dallas/Fort Worth to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dallas/Fort Worth Airport to St. Louis flights?

No. A direct flight is the cheapest option for a flight between Dallas/Fort Worth Airport to St. Louis.

How have Dallas/Fort Worth Airport to St. Louis flight prices changed over time?

As of November 2025, prices for Dallas/Fort Worth Airport to St. Louis flights are approximately 47% cheaper when compared to flights at the same time last year.

When to book flights from Dallas/Fort Worth Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Dallas/Fort Worth Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dallas/Fort Worth Airport to St. Louis (DFW to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dallas/Fort Worth Airport to St. Louis

Best Price Found

$89

Fastest flight time

1h 39m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Dallas/Fort Worth Airport in the past 72 hours is $89. The best round-trip flight deal from Dallas/Fort Worth Airport to St. Louis found on momondo in the last 72 hours is $160.
The fastest flight from Dallas/Fort Worth Airport to St. Louis takes 1h 39m
Direct flights go from Dallas/Fort Worth Airport to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
  • How far is Dallas/Fort Worth to Lambert-St Louis by plane?

    The distance between Dallas/Fort Worth and Lambert-St Louis is about 550.5 mi. Typically, this will take 1h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport?

    Prices for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Dallas/Fort Worth Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Dallas/Fort Worth Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dallas/Fort Worth Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dallas/Fort Worth Airport to St. Louis?

  • What is the most popular airline from Dallas/Fort Worth Airport to St. Louis?

Best airlines flying from Dallas/Fort Worth Airport to St. Louis

Compare and see reviews for airlines that fly from Dallas/Fort Worth Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $82Free CancellationRating
5.8
3,110 reviews
Search Frontier flights
American AirlinesPriceFrom $175Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
  • American Airlines Flights From Dallas/Fort Worth Airport to St. Louis

    The lowest priced American Airlines flight from Dallas/Fort Worth Airport to St. Louis from the last 72 hours was $175. Generally, American Airlines has 30 flights on this route every week with an average price of $337. American Airlines is rated 7.2/10 by our users.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Dallas to St. Louis?

It is quick and easy to find Dallas to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Dallas to St. Louis with flexible booking policies on momondo?

Flights from Dallas to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Dallas to St. Louis?

Once you have performed a search for Dallas to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Dallas to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Dallas to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 12/14
Sun 12/21

Find better results for your trip to the United States