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Cheap flights from Dallas to St. Louis from $27

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 9/18. 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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Cheap round-trip flights

Frontier Logo
8:00 am - 9:54 amDFW-STL
1h 54mnonstop
Frontier Logo
10:39 am - 12:29 pmSTL-DFW
1h 50mnonstop
$70Frontier
Find Deal
jue., sep. 11 - dom., sep. 14
Frontier Logo
10:25 pm - 9:06 amDFW-STL
10h 41m1 stop
Frontier Logo
10:39 am - 12:29 pmSTL-DFW
1h 50mnonstop
$111Frontier
Find Deal
vie., sep. 19 - dom., sep. 21
Frontier Logo
10:25 pm - 9:06 amDFW-STL
10h 41m1 stop
Frontier Logo
10:39 am - 12:29 pmSTL-DFW
1h 50mnonstop
$115Frontier
Find Deal
vie., sep. 5 - dom., sep. 7
American Airlines Logo
7:00 am - 8:54 amDFW-STL
1h 54mnonstop
American Airlines Logo
5:26 am - 7:28 amSTL-DFW
2h 02mnonstop
$139American Airlines
Find Deal
mié., dic. 3 - sáb., dic. 6
Southwest Logo
8:25 am - 10:10 amDAL-STL
1h 45mnonstop
Southwest Logo
10:25 am - 12:10 pmSTL-DAL
1h 45mnonstop
$139Southwest
Find Deal
mié., dic. 3 - sáb., dic. 6
American Airlines Logo
10:00 am - 11:52 amDFW-STL
1h 52mnonstop
American Airlines Logo
3:59 pm - 5:55 pmSTL-DFW
1h 56mnonstop
$154American Airlines
Find Deal
mar., sep. 9 - mar., sep. 16
Logo
5:35 am - 5:55 pmDFW-STL
12h 20m1 stop
Logo
10:17 am - 12:14 pmSTL-DFW
1h 57mnonstop
$165
Find Deal
sáb., nov. 1 - dom., nov. 2
Southwest Logo
6:50 am - 8:35 amDAL-STL
1h 45mnonstop
Southwest Logo
6:50 am - 8:35 amSTL-DAL
1h 45mnonstop
$169Southwest
Find Deal
mié., oct. 1 - vie., oct. 31
Spirit Airlines Logo
5:35 am - 5:55 pmDFW-STL
12h 20m1 stop
Spirit Airlines Logo
10:54 am - 11:54 pmSTL-DFW
13h 00m1 stop
$193Spirit Airlines
Find Deal
sáb., nov. 1 - dom., nov. 2
Logo
7:25 am - 9:18 amDFW-STL
1h 53mnonstop
Logo
2:01 pm - 9:19 amSTL-DFW
19h 18m1 stop
$200
Find Deal
jue., ago. 28 - lun., sep. 1

American Airlines flights from Dallas to St. Louis

Our best American Airlines deals on Dallas to St. Louis flight tickets
American Airlines
Dec 3
DFW7:00 amDallas/Fort Worth
1h 54m
STL8:54 amLambert-St Louis
Dec 6
STL5:26 amLambert-St Louis
2h 02m
DFW7:28 amDallas/Fort Worth
$139
Find similar
American Airlines
Sep 9
DFW10:00 amDallas/Fort Worth
1h 52m
STL11:52 amLambert-St Louis
Sep 16
STL3:59 pmLambert-St Louis
1h 56m
DFW5:55 pmDallas/Fort Worth
$154
Find similar
American Airlines
Oct 15
DFW6:59 pmDallas/Fort Worth
1h 54m
STL8:53 pmLambert-St Louis
Oct 20
STL5:11 amLambert-St Louis
1h 58m
DFW7:09 amDallas/Fort Worth
$169
Find similar

Southwest flights from Dallas to St. Louis

Our best Southwest deals on Dallas to St. Louis flight tickets
Southwest
Dec 3
DAL8:25 amDallas Love Field
1h 45m
STL10:10 amLambert-St Louis
Dec 6
STL10:25 amLambert-St Louis
1h 45m
DAL12:10 pmDallas Love Field
$139
Find similar
Southwest
Oct 1
DAL6:50 amDallas Love Field
1h 45m
STL8:35 amLambert-St Louis
Oct 31
STL6:50 amLambert-St Louis
1h 45m
DAL8:35 amDallas Love Field
$169
Find similar
Southwest
Oct 11
DAL7:15 pmDallas Love Field
1h 45m
STL9:00 pmLambert-St Louis
Oct 13
STL5:00 amLambert-St Louis
1h 45m
DAL6:45 amDallas Love Field
$178
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 agosto 14, 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

jue. 9/11

8:00 am-9:54 am

Nonstop1h 54m

Lambert-St Louis

dom. 9/14

10:39 am-12:29 pm

Nonstop1h 50m

$70

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

vie. 9/19

10:25 pm-9:06 am

1 stop10h 41m

Lambert-St Louis

dom. 9/21

10:39 am-12:29 pm

Nonstop1h 50m

$111

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

vie. 9/5

10:25 pm-9:06 am

1 stop10h 41m

Lambert-St Louis

dom. 9/7

10:39 am-12:29 pm

Nonstop1h 50m

$115

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

mié. 12/3

7:00 am-8:54 am

Nonstop1h 54m

Lambert-St Louis

sáb. 12/6

5:26 am-7:28 am

Nonstop2h 02m

$139

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

mié. 12/3

8:25 am-10:10 am

Nonstop1h 45m

Lambert-St Louis

sáb. 12/6

10:25 am-12:10 pm

Nonstop1h 45m

$139

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

mar. 9/9

10:00 am-11:52 am

Nonstop1h 52m

Lambert-St Louis

mar. 9/16

3:59 pm-5:55 pm

Nonstop1h 56m

$154

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

sáb. 11/1

5:35 am-5:55 pm

1 stop12h 20m

Lambert-St Louis

dom. 11/2

10:17 am-12:14 pm

Nonstop1h 57m

$165

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

mié. 10/1

6:50 am-8:35 am

Nonstop1h 45m

Lambert-St Louis

vie. 10/31

6:50 am-8:35 am

Nonstop1h 45m

$169

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

sáb. 11/1

5:35 am-5:55 pm

1 stop12h 20m

Lambert-St Louis

dom. 11/2

10:54 am-11:54 pm

1 stop13h 00m

$193

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 8/28

7:25 am-9:18 am

Nonstop1h 53m

Lambert-St Louis

lun. 9/1

2:01 pm-9:19 am

1 stop19h 18m

$200

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, July 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 $234. The month of September is another great option to travel to St. Louis, with average flight prices from Dallas averaging around $237.

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 Saturday because tickets tend to average around $318. 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 $266 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 $353 per ticket.

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

Fly from Dallas Love Field 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 $233 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

Best Price Found

$27

Fastest flight time

1h 40m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Dallas in the past 72 hours is $27. The best round-trip flight deal from Dallas to St. Louis found on momondo in the last 72 hours is $70.
The fastest flight from Dallas to St. Louis takes 1h 40m
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 $62Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
American AirlinesPriceFrom $177Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $182Free CancellationRating
8.0
4,244 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
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
Fenton
Wentzville
Collinsville
Alton
St. Peters
Farmington
Festus
Glencoe
Eureka
Clayton
Edwardsville
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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