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Cheap flights from Dallas to St. Louis from $67

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 to St. Louis departing on 1/7. 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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0 bags

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Find the cheapest flights from Dallas to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
12:10 pm - 1:50 pmDAL-STL
1h 40mnonstop
Southwest Logo
2:20 pm - 4:10 pmSTL-DAL
1h 50mnonstop
$139Southwest
Find Deal
Sat, Jan 17 - Sun, Jan 18
American Airlines Logo
2:34 pm - 4:14 pmDFW-STL
1h 40mnonstop
American Airlines Logo
5:20 pm - 7:36 pmSTL-DFW
2h 16mnonstop
$140American Airlines
Find Deal
Sat, Jan 17 - Sun, Jan 18
Southwest Logo
1:05 pm - 8:10 pmDAL-STL
7h 05m1 stop
Southwest Logo
7:45 pm - 9:35 pmSTL-DAL
1h 50mnonstop
$149Southwest
Find Deal
Sat, Jan 17 - Sun, Jan 18
Southwest Logo
2:30 pm - 8:55 pmDAL-STL
6h 25m1 stop
Southwest Logo
5:50 pm - 10:30 pmSTL-DAL
4h 40m1 stop
$159Southwest
Find Deal
Sat, Jan 17 - Sun, Jan 18
Frontier Logo
10:38 pm - 12:12 pmDFW-STL
13h 34m1 stop
Frontier Logo
10:47 am - 10:54 pmSTL-DFW
12h 07m1 stop
$162Frontier
Find Deal
Wed, Dec 10 - Mon, Dec 15
Frontier Logo
11:41 am - 10:33 pmDFW-STL
10h 52m1 stop
Frontier Logo
10:10 pm - 5:43 amSTL-DFW
7h 33m1 stop
$163Frontier
Find Deal
Sat, Dec 13 - Sat, Dec 20
Multiple Airlines Logo
2:19 pm - 6:51 amDFW-STL
16h 32m2 stops
Multiple Airlines Logo
11:18 am - 10:49 pmSTL-DFW
11h 31m1 stop
$169Multiple Airlines
Find Deal
Sun, Jan 25 - Fri, Jan 30
Delta Logo
3:26 pm - 10:16 pmDFW-STL
6h 50m1 stop
Delta Logo
5:13 pm - 12:28 amSTL-DFW
7h 15m1 stop
$177Delta
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Wed, Dec 24 - Wed, Dec 31
Frontier Logo
10:38 pm - 10:14 amDFW-STL
11h 36m1 stop
Frontier Logo
5:19 pm - 5:43 amSTL-DFW
12h 24m1 stop
$187Frontier
Find Deal
Thu, Dec 11 - Thu, Dec 18
American Airlines Logo
10:45 am - 12:31 pmDFW-STL
1h 46mnonstop
American Airlines Logo
1:20 pm - 3:22 pmSTL-DFW
2h 02mnonstop
$189American Airlines
Find Deal
Mon, Dec 15 - Tue, Dec 16

United Airlines flights from Dallas to St. Louis

Our best United Airlines deals on Dallas to St. Louis flight tickets
United Airlines
Dec 15
DFW5:15 amDallas/Fort Worth
7h 00m
2 stops
STL12:15 pmLambert-St Louis
Dec 16
STL10:00 amLambert-St Louis
5h 32m
1 stop
DFW3:32 pmDallas/Fort Worth
$196
Find similar
United Airlines
Jan 8
DFW7:00 amDallas/Fort Worth
5h 29m
1 stop
STL12:29 pmLambert-St Louis
Jan 12
STL4:35 pmLambert-St Louis
4h 59m
1 stop
DFW9:34 pmDallas/Fort Worth
$261
Find similar

Southwest flights from Dallas to St. Louis

Our best Southwest deals on Dallas to St. Louis flight tickets
Southwest
Jan 17
DAL12:10 pmDallas Love Field
1h 40m
STL1:50 pmLambert-St Louis
Jan 18
STL2:20 pmLambert-St Louis
1h 50m
DAL4:10 pmDallas Love Field
$139
Find similar
Southwest
Jan 17
DAL1:05 pmDallas Love Field
7h 05m
1 stop
STL8:10 pmLambert-St Louis
Jan 18
STL7:45 pmLambert-St Louis
1h 50m
DAL9:35 pmDallas Love Field
$149
Find similar
Southwest
Jan 17
DAL2:30 pmDallas Love Field
6h 25m
1 stop
STL8:55 pmLambert-St Louis
Jan 18
STL5:50 pmLambert-St Louis
4h 40m
1 stop
DAL10:30 pmDallas Love Field
$159
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dallas 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 26, 2025.
Use the filters below to find and compare flights from Dallas to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Sat 1/17

12:10 pm-1:50 pm

Nonstop1h 40m

Lambert-St Louis

Sun 1/18

2:20 pm-4:10 pm

Nonstop1h 50m

$139

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 1/17

2:34 pm-4:14 pm

Nonstop1h 40m

Lambert-St Louis

Sun 1/18

5:20 pm-7:36 pm

Nonstop2h 16m

$140

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Sat 1/17

1:05 pm-8:10 pm

1 stop7h 05m

Lambert-St Louis

Sun 1/18

7:45 pm-9:35 pm

Nonstop1h 50m

$149

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Sat 1/17

2:30 pm-8:55 pm

1 stop6h 25m

Lambert-St Louis

Sun 1/18

5:50 pm-10:30 pm

1 stop4h 40m

$159

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 12/10

10:38 pm-12:12 pm

1 stop13h 34m

Lambert-St Louis

Mon 12/15

10:47 am-10:54 pm

1 stop12h 07m

$162

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 12/13

11:41 am-10:33 pm

1 stop10h 52m

Lambert-St Louis

Sat 12/20

10:10 pm-5:43 am

1 stop7h 33m

$163

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sun 1/25

2:19 pm-6:51 am

2 stops16h 32m

Lambert-St Louis

Fri 1/30

11:18 am-10:49 pm

1 stop11h 31m

$169

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 12/24

3:26 pm-10:16 pm

1 stop6h 50m

Lambert-St Louis

Wed 12/31

5:13 pm-12:28 am

1 stop7h 15m

$177

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 12/11

10:38 pm-10:14 am

1 stop11h 36m

Lambert-St Louis

Thu 12/18

5:19 pm-5:43 am

1 stop12h 24m

$187

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 12/15

10:45 am-12:31 pm

Nonstop1h 46m

Lambert-St Louis

Tue 12/16

1:20 pm-3:22 pm

Nonstop2h 02m

$189

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 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 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 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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $278 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 $364 per ticket.

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

Fly from Dallas/Fort Worth to Lambert-St Louis for the best Dallas - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $285 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 for as low as $236 on momondo.

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

There are 3 cabin classes available to choose from on Dallas 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.

Cheap Dallas to St. Louis flight deals and tips

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

Fastest flight time

1h 39m

Direct flights

Every day

Airports in St. Louis

1 airport
The fastest flight from Dallas to St. Louis takes 1h 39m
Direct flights go from Dallas to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

  • How far is Dallas to Lambert-St Louis by plane?

    The straight-line distance from Dallas to Lambert-St Louis is 547.5 mi. Typically, this will take 1h 40m by plane in normal conditions.

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

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

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

  • How old do you have to be to fly from Dallas 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 to Lambert-St Louis Airport.

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

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Dallas to St. Louis

Compare and see reviews for airlines that fly from Dallas to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $80Free CancellationRating
5.8
3,099 reviews
Search Frontier flights
American AirlinesPriceFrom $174Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,254 reviews
Search Southwest flights

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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dallas to St. Louis for 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?

momondo provides multiple filters to help you find the best flight to St. Louis from Dallas. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Dallas to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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