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Cheap flights from St. Louis to Dallas from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Dallas departing on 3/11. 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 St. Louis to Dallas

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:12 am - 7:21 am
STL
-
DFW
2h 09mnonstop
American Airlines Logo
7:08 am - 8:55 am
DFW
-
STL
1h 47mnonstop
$245American Airlines
Thu, Mar 26 - Thu, Apr 2
Southwest Logo
2:15 pm - 4:05 pm
STL
-
DAL
1h 50mnonstop
Southwest Logo
7:45 pm - 9:25 pm
DAL
-
STL
1h 40mnonstop
$245Southwest
Wed, Mar 18 - Wed, Mar 25
Frontier Logo
9:05 pm - 1:54 pm
STL
-
DFW
16h 49m
1 stop
Frontier Logo
5:45 am - 9:49 am
DFW
-
STL
28h 04m
1 stop
$246Frontier
Thu, Mar 12 - Sun, Mar 15
Multiple Airlines Logo
9:50 am - 10:47 pm
STL
-
DFW
12h 57m
2 stops
Multiple Airlines Logo
8:46 am - 10:32 am
DFW
-
STL
25h 46m
1 stop
$247Multiple Airlines
Thu, Mar 19 - Mon, Mar 30
Frontier Logo
11:21 am - 5:08 pm
STL
-
DFW
5h 47m
1 stop
Frontier Logo
10:45 pm - 11:19 am
DFW
-
STL
36h 34m
2 stops
$248Frontier
Thu, Mar 26 - Sun, Mar 29
Multiple Airlines Logo
9:50 am - 10:47 pm
STL
-
DFW
12h 57m
2 stops
Multiple Airlines Logo
8:26 pm - 10:32 am
DFW
-
STL
14h 06m
1 stop
$249Multiple Airlines
Thu, Mar 19 - Mon, Mar 30
Frontier Logo
10:11 pm - 10:51 am
STL
-
DFW
12h 40m
1 stop
Frontier Logo
10:34 pm - 9:49 am
DFW
-
STL
11h 15m
1 stop
$250Frontier
Thu, Mar 5 - Sun, Mar 8
American Airlines Logo
7:12 am - 9:20 am
STL
-
DFW
2h 08mnonstop
American Airlines Logo
9:10 pm - 10:59 pm
DFW
-
STL
1h 49mnonstop
$251American Airlines
Wed, Apr 8 - Mon, Apr 13
American Airlines Logo
5:20 am - 7:22 am
STL
-
DFW
2h 02mnonstop
American Airlines Logo
9:10 pm - 10:59 pm
DFW
-
STL
1h 49mnonstop
$252American Airlines
Wed, Apr 8 - Mon, Apr 13
Southwest Logo
7:50 pm - 9:30 pm
STL
-
DAL
1h 40mnonstop
Southwest Logo
9:25 pm - 11:10 pm
DAL
-
STL
1h 45mnonstop
$254Southwest
Sat, Jun 13 - Sat, Jun 20

Frontier flights from St. Louis to Dallas

Our best Frontier deals on St. Louis to Dallas flight tickets
Frontier
Mar 12
STL9:05 pmLambert-St Louis
16h 49m
1 stop
DFW1:54 pmDallas/Fort Worth
Mar 15
DFW5:45 amDallas/Fort Worth
28h 04m
1 stop
STL9:49 amLambert-St Louis
$246
Frontier
Mar 26
STL11:21 amLambert-St Louis
5h 47m
1 stop
DFW5:08 pmDallas/Fort Worth
Mar 29
DFW10:45 pmDallas/Fort Worth
36h 34m
2 stops
STL11:19 amLambert-St Louis
$248
Frontier
Mar 6
STL1:09 pmLambert-St Louis
9h 52m
1 stop
DFW11:01 pmDallas/Fort Worth
Mar 12
DFW2:33 pmDallas/Fort Worth
19h 16m
1 stop
STL9:49 amLambert-St Louis
$250

American Airlines flights from St. Louis to Dallas

Our best American Airlines deals on St. Louis to Dallas flight tickets
American Airlines
Mar 26
STL5:12 amLambert-St Louis
2h 09m
DFW7:21 amDallas/Fort Worth
Apr 2
DFW7:08 amDallas/Fort Worth
1h 47m
STL8:55 amLambert-St Louis
$245
American Airlines
Apr 8
STL7:12 amLambert-St Louis
2h 08m
DFW9:20 amDallas/Fort Worth
Apr 13
DFW9:10 pmDallas/Fort Worth
1h 49m
STL10:59 pmLambert-St Louis
$251
American Airlines
Apr 8
STL5:20 amLambert-St Louis
2h 02m
DFW7:22 amDallas/Fort Worth
Apr 13
DFW9:10 pmDallas/Fort Worth
1h 49m
STL10:59 pmLambert-St Louis
$252

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Dallas 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 February 22, 2026.
Use the filters below to find and compare flights from St. Louis to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 3/26

5:12 am-7:21 am

Nonstop2h 09m

Dallas/Fort Worth

Thu 4/2

7:08 am-8:55 am

Nonstop1h 47m

$245

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Wed 3/18

2:15 pm-4:05 pm

Nonstop1h 50m

Dallas Love Field

Wed 3/25

7:45 pm-9:25 pm

Nonstop1h 40m

$245

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 3/12

9:05 pm-1:54 pm

1 stop16h 49m

Dallas/Fort Worth

Sun 3/15

5:45 am-9:49 am

1 stop28h 04m

$246

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 3/19

9:50 am-10:47 pm

2 stops12h 57m

Dallas/Fort Worth

Mon 3/30

8:46 am-10:32 am

1 stop25h 46m

$247

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 3/26

11:21 am-5:08 pm

1 stop5h 47m

Dallas/Fort Worth

Sun 3/29

10:45 pm-11:19 am

2 stops36h 34m

$248

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 3/19

9:50 am-10:47 pm

2 stops12h 57m

Dallas/Fort Worth

Mon 3/30

8:26 pm-10:32 am

1 stop14h 06m

$249

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 3/5

10:11 pm-10:51 am

1 stop12h 40m

Dallas/Fort Worth

Sun 3/8

10:34 pm-9:49 am

1 stop11h 15m

$250

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 4/8

7:12 am-9:20 am

Nonstop2h 08m

Dallas/Fort Worth

Mon 4/13

9:10 pm-10:59 pm

Nonstop1h 49m

$251

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 4/8

5:20 am-7:22 am

Nonstop2h 02m

Dallas/Fort Worth

Mon 4/13

9:10 pm-10:59 pm

Nonstop1h 49m

$252

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Sat 6/13

7:50 pm-9:30 pm

Nonstop1h 40m

Dallas Love Field

Sat 6/20

9:25 pm-11:10 pm

Nonstop1h 45m

$254

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 Dallas from

How to get the cheapest flight ticket from St. Louis to Dallas

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 Dallas?

If you are unable to visit Dallas during the month of August, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $194.

What is the cheapest day to depart on your flight to Dallas?

On average, the least expensive day to fly to Dallas from St. Louis is on a Thursday. momondo users have found tickets for Thursday departures for as low as $500. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $644.

What is the cheapest time of day to depart on your flight to Dallas?

Flying to Dallas from St. Louis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $401 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to Dallas, so prices are often more expensive at around $737 per ticket.

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

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

How far in advance should I book a flight to Dallas?

You are more likely to see cheaper flights to Dallas from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around $281 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas from St. Louis for as low as $192 on momondo.

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

There are 4 cabin classes available to choose from on Lambert-St Louis to Dallas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap St. Louis to Dallas flight deals and tips

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

Fastest flight time

1h 40m

Direct flights

Every day

Airports in Dallas

3 airports
The fastest flight from St. Louis to Dallas takes 1h 40m
Direct flights go from St. Louis to Dallas every day.
There are 3 airports in Dallas. From St. Louis there are direct flights to Dallas/Fort Worth (DFW), Dallas Love Field (DAL).
Search flight deals

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

    There are 547.5 mi between Lambert-St Louis and Dallas. Flights usually cover this in 1h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Lambert-St Louis Airport to Dallas refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Dallas.

  • What documentation or ID do you need to fly to Dallas?

    The required travel and health documents for your Dallas 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 Dallas. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from St. Louis to Dallas

Compare and see reviews for airlines that fly from St. Louis to Dallas with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $70Free CancellationRating
5.7
3,045 reviews
Search Frontier flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,299 reviews
Search Southwest flights
DeltaPriceFrom $159Free CancellationRating
7.9
8,240 reviews
Search Delta flights
American AirlinesPriceFrom $168Free CancellationRating
7.2
11,338 reviews
Search American Airlines flights
JetBluePriceFrom $181Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights

Why use momondo?

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

It is quick and easy to find St. Louis to Dallas 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 Dallas that suits you.

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

Yes. momondo enables you to select and highlight flights to Dallas from St. Louis with this policy.

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

Once you have performed a search for St. Louis to Dallas 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 St. Louis to Dallas right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Dallas flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United States

Fly into one of these airports located in Dallas

Airports listed have a maximum distance of 15.5 mi from Dallas
Dallas Love Field Airport
Dallas/Fort Worth Airport