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Cheap flights from Dallas to St. Louis from $28

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 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 to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:35 pm - 5:27 pmDFW-STL
1h 52mnonstop
Frontier Logo
7:45 pm - 11:09 amSTL-DFW
15h 24m1 stop
$117Frontier
Find Deal
Thu, Nov 13 - Mon, Nov 17
Frontier Logo
3:35 pm - 5:27 pmDFW-STL
1h 52mnonstop
Frontier Logo
7:45 pm - 11:37 amSTL-DFW
15h 52m1 stop
$122Frontier
Find Deal
Thu, Nov 13 - Thu, Nov 13
Southwest Logo
11:20 am - 1:05 pmDAL-STL
1h 45mnonstop
Southwest Logo
10:15 am - 12:00 pmSTL-DAL
1h 45mnonstop
$139Southwest
Find Deal
Wed, Dec 10 - Tue, Dec 16
American Airlines Logo
5:50 pm - 7:29 pmDFW-STL
1h 39mnonstop
American Airlines Logo
6:44 pm - 8:44 pmSTL-DFW
2h 00mnonstop
$144American Airlines
Find Deal
Wed, Dec 17 - Thu, Jan 1
Southwest Logo
3:30 pm - 5:15 pmDAL-STL
1h 45mnonstop
Southwest Logo
8:15 pm - 10:05 pmSTL-DAL
1h 50mnonstop
$154Southwest
Find Deal
Wed, Dec 17 - Thu, Jan 1
American Airlines Logo
10:45 am - 12:37 pmDFW-STL
1h 52mnonstop
American Airlines Logo
5:58 pm - 8:05 pmSTL-DFW
2h 07mnonstop
$154American Airlines
Find Deal
Thu, Nov 27 - Tue, Dec 2
Multiple Airlines Logo
10:00 pm - 11:24 amDFW-STL
13h 24m1 stop
Multiple Airlines Logo
7:45 pm - 10:47 amSTL-DFW
15h 02m2 stops
$166Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Multiple Airlines Logo
8:00 am - 3:38 pmDFW-STL
7h 38m1 stop
Multiple Airlines Logo
7:45 pm - 10:47 amSTL-DFW
15h 02m2 stops
$167Multiple Airlines
Find Deal
Sat, Nov 15 - Mon, Nov 17
Delta Logo
7:01 am - 12:40 pmDFW-STL
5h 39m1 stop
Delta Logo
5:34 pm - 11:07 pmSTL-DFW
5h 33m1 stop
$177Delta
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Sat, Dec 6 - Sat, Dec 6
Delta Logo
6:05 am - 10:45 amDAL-STL
4h 40m1 stop
Delta Logo
7:05 am - 1:15 pmSTL-DAL
6h 10m1 stop
$177Delta
Find Deal
Wed, Dec 3 - Tue, Dec 9

Southwest flights from Dallas to St. Louis

Our best Southwest deals on Dallas to St. Louis flight tickets
Southwest
Dec 10
DAL11:20 amDallas Love Field
1h 45m
STL1:05 pmLambert-St Louis
Dec 16
STL10:15 amLambert-St Louis
1h 45m
DAL12:00 pmDallas Love Field
$139
Find similar
Southwest
Dec 17
DAL3:30 pmDallas Love Field
1h 45m
STL5:15 pmLambert-St Louis
Jan 1
STL8:15 pmLambert-St Louis
1h 50m
DAL10:05 pmDallas Love Field
$154
Find similar
Southwest
Dec 6
DAL6:00 pmDallas Love Field
1h 40m
STL7:40 pmLambert-St Louis
Dec 8
STL8:15 pmLambert-St Louis
1h 50m
DAL10:05 pmDallas Love Field
$169
Find similar

Frontier flights from Dallas to St. Louis

Our best Frontier deals on Dallas to St. Louis flight tickets
Frontier
Nov 13
DFW3:35 pmDallas/Fort Worth
1h 52m
STL5:27 pmLambert-St Louis
Nov 17
STL7:45 pmLambert-St Louis
15h 24m
1 stop
DFW11:09 amDallas/Fort Worth
$117
Find similar
Frontier
Nov 13
DFW3:35 pmDallas/Fort Worth
1h 52m
STL5:27 pmLambert-St Louis
Nov 13
STL7:45 pmLambert-St Louis
15h 52m
1 stop
DFW11:37 amDallas/Fort Worth
$122
Find similar
Frontier
Nov 15
DFW8:00 amDallas/Fort Worth
7h 38m
1 stop
STL3:38 pmLambert-St Louis
Nov 17
STL7:45 pmLambert-St Louis
15h 24m
1 stop
DFW11:09 amDallas/Fort Worth
$123
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 October 30, 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

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 11/13

3:35 pm-5:27 pm

Nonstop1h 52m

Lambert-St Louis

Mon 11/17

7:45 pm-11:09 am

1 stop15h 24m

$117

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 11/13

3:35 pm-5:27 pm

Nonstop1h 52m

Lambert-St Louis

Thu 11/13

7:45 pm-11:37 am

1 stop15h 52m

$122

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Wed 12/10

11:20 am-1:05 pm

Nonstop1h 45m

Lambert-St Louis

Tue 12/16

10:15 am-12:00 pm

Nonstop1h 45m

$139

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 12/17

5:50 pm-7:29 pm

Nonstop1h 39m

Lambert-St Louis

Thu 1/1

6:44 pm-8:44 pm

Nonstop2h 00m

$144

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Wed 12/17

3:30 pm-5:15 pm

Nonstop1h 45m

Lambert-St Louis

Thu 1/1

8:15 pm-10:05 pm

Nonstop1h 50m

$154

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 11/27

10:45 am-12:37 pm

Nonstop1h 52m

Lambert-St Louis

Tue 12/2

5:58 pm-8:05 pm

Nonstop2h 07m

$154

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 11/13

10:00 pm-11:24 am

1 stop13h 24m

Lambert-St Louis

Mon 11/17

7:45 pm-10:47 am

2 stops15h 02m

$166

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 11/15

8:00 am-3:38 pm

1 stop7h 38m

Lambert-St Louis

Mon 11/17

7:45 pm-10:47 am

2 stops15h 02m

$167

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 12/6

7:01 am-12:40 pm

1 stop5h 39m

Lambert-St Louis

Sat 12/6

5:34 pm-11:07 pm

1 stop5h 33m

$177

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Wed 12/3

6:05 am-10:45 am

1 stop4h 40m

Lambert-St Louis

Tue 12/9

7:05 am-1:15 pm

1 stop6h 10m

$177

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 $220. 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 $339. 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 $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 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 $234 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 39m 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 $78Free CancellationRating
5.8
3,123 reviews
Search Frontier flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $177Free CancellationRating
7.2
11,030 reviews
Search American Airlines 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
Maryland Heights
Florissant
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.

An easier way to manage your St. Louis trip

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