Cheap flights from Dallas/Fort Worth Airport to St. Louis from $29

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.
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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
10:25 pm - 10:07 amDFW-STL
11h 42m1 stop
Frontier Logo
12:20 pm - 2:17 pmSTL-DFW
1h 57mnonstop
$111Frontier
Find Deal
Sat, Nov 1 - Sun, Nov 2
Frontier Logo
8:30 am - 10:14 amDFW-STL
25h 44m1 stop
Frontier Logo
7:43 pm - 9:39 amSTL-DFW
13h 56m1 stop
$124Frontier
Find Deal
Tue, Dec 16 - Wed, Jan 7
American Airlines Logo
7:06 am - 8:50 amDFW-STL
1h 44mnonstop
American Airlines Logo
7:00 am - 9:16 amSTL-DFW
2h 16mnonstop
$127American Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
American Airlines Logo
2:54 pm - 4:36 pmDFW-STL
1h 42mnonstop
American Airlines Logo
7:00 am - 9:16 amSTL-DFW
2h 16mnonstop
$128American Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Frontier Logo
10:59 pm - 9:07 amDFW-STL
10h 08m1 stop
Frontier Logo
6:22 pm - 8:19 pmSTL-DFW
1h 57mnonstop
$129Frontier
Find Deal
Sun, Nov 2 - Thu, Nov 6
Frontier Logo
10:30 am - 9:07 amDFW-STL
22h 37m1 stop
Frontier Logo
6:22 pm - 8:19 pmSTL-DFW
1h 57mnonstop
$130Frontier
Find Deal
Tue, Nov 4 - Thu, Nov 6
Multiple Airlines Logo
10:38 pm - 10:14 amDFW-STL
11h 36m1 stop
Multiple Airlines Logo
10:42 am - 6:47 pmSTL-DFW
8h 05m1 stop
$160Multiple Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Delta Logo
6:00 pm - 11:10 pmDFW-STL
5h 10m1 stop
Delta Logo
7:05 pm - 12:17 amSTL-DFW
5h 12m1 stop
$177Delta
Find Deal
Fri, Feb 6 - Mon, Feb 9
Delta Logo
7:01 am - 12:26 pmDFW-STL
5h 25m1 stop
Delta Logo
5:34 pm - 10:58 pmSTL-DFW
5h 24m1 stop
$179Delta
Find Deal
Sat, Nov 15 - Sat, Nov 15
Multiple Airlines Logo
7:00 pm - 10:12 amDFW-STL
15h 12m1 stop
Multiple Airlines Logo
7:45 pm - 1:01 pmSTL-DFW
17h 16m2 stops
$183Multiple Airlines
Find Deal
Sat, Nov 8 - Tue, Nov 11

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 1
DFW10:25 pmDallas/Fort Worth
11h 42m
1 stop
STL10:07 amLambert-St Louis
Nov 2
STL12:20 pmLambert-St Louis
1h 57m
DFW2:17 pmDallas/Fort Worth
Frontier
Dec 16
DFW8:30 amDallas/Fort Worth
25h 44m
1 stop
STL10:14 amLambert-St Louis
Jan 7
STL7:43 pmLambert-St Louis
13h 56m
1 stop
DFW9:39 amDallas/Fort Worth
Frontier
Nov 2
DFW10:59 pmDallas/Fort Worth
10h 08m
1 stop
STL9:07 amLambert-St Louis
Nov 6
STL6:22 pmLambert-St Louis
1h 57m
DFW8:19 pmDallas/Fort Worth

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 5
DFW7:06 amDallas/Fort Worth
1h 44m
STL8:50 amLambert-St Louis
Dec 8
STL7:00 amLambert-St Louis
2h 16m
DFW9:16 amDallas/Fort Worth
American Airlines
Dec 4
DFW2:54 pmDallas/Fort Worth
1h 42m
STL4:36 pmLambert-St Louis
Dec 8
STL7:00 amLambert-St Louis
2h 16m
DFW9:16 amDallas/Fort Worth
American Airlines
Jan 16
DFW5:47 pmDallas/Fort Worth
1h 42m
STL7:29 pmLambert-St Louis
Jan 18
STL5:20 pmLambert-St Louis
2h 16m
DFW7:36 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 October 21, 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

Sat 11/1

10:25 pm-10:07 am

1 stop11h 42m

Lambert-St Louis

Sun 11/2

12:20 pm-2:17 pm

Nonstop1h 57m

$111

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 12/16

8:30 am-10:14 am

1 stop25h 44m

Lambert-St Louis

Wed 1/7

7:43 pm-9:39 am

1 stop13h 56m

$124

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 12/5

7:06 am-8:50 am

Nonstop1h 44m

Lambert-St Louis

Mon 12/8

7:00 am-9:16 am

Nonstop2h 16m

$127

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 12/4

2:54 pm-4:36 pm

Nonstop1h 42m

Lambert-St Louis

Mon 12/8

7:00 am-9:16 am

Nonstop2h 16m

$128

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sun 11/2

10:59 pm-9:07 am

1 stop10h 08m

Lambert-St Louis

Thu 11/6

6:22 pm-8:19 pm

Nonstop1h 57m

$129

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 11/4

10:30 am-9:07 am

1 stop22h 37m

Lambert-St Louis

Thu 11/6

6:22 pm-8:19 pm

Nonstop1h 57m

$130

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 12/4

10:38 pm-10:14 am

1 stop11h 36m

Lambert-St Louis

Sun 12/7

10:42 am-6:47 pm

1 stop8h 05m

$160

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 2/6

6:00 pm-11:10 pm

1 stop5h 10m

Lambert-St Louis

Mon 2/9

7:05 pm-12:17 am

1 stop5h 12m

$177

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 11/15

7:01 am-12:26 pm

1 stop5h 25m

Lambert-St Louis

Sat 11/15

5:34 pm-10:58 pm

1 stop5h 24m

$179

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 11/8

7:00 pm-10:12 am

1 stop15h 12m

Lambert-St Louis

Tue 11/11

7:45 pm-1:01 pm

2 stops17h 16m

$183

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $219. 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 Monday because tickets tend to average around $342. 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 $356 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 $286 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 October 2025, prices for Dallas/Fort Worth Airport to St. Louis flights are approximately 56% 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

$134

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 $134. The best round-trip flight deal from Dallas/Fort Worth Airport to St. Louis found on momondo in the last 72 hours is $156.
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 $78Free CancellationRating
5.8
3,129 reviews
Search Frontier flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
American AirlinesPriceFrom $177Free CancellationRating
7.2
11,023 reviews
Search American Airlines 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 $177. Generally, American Airlines has 21 flights on this route every week with an average price of $339. 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
Maryland Heights
Florissant
O'Fallon
Wentzville
Collinsville
Fenton
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

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1 adult
Thu 11/20
Thu 11/27

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