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Cheap flights from St. Louis to Dallas from $64

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 2/28. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:16 pm - 7:29 am
STL
-
DFW
19h 13m
1 stop
Multiple Airlines Logo
5:20 pm - 9:49 am
DFW
-
STL
16h 29m
2 stops
$230Multiple Airlines
Fri, Mar 20 - Tue, Mar 24
American Airlines Logo
4:13 pm - 6:15 pm
STL
-
DFW
2h 02mnonstop
American Airlines Logo
3:26 pm - 5:13 pm
DFW
-
STL
1h 47mnonstop
$231American Airlines
Wed, Feb 25 - Wed, Mar 4
Southwest Logo
7:10 pm - 9:00 pm
STL
-
DAL
1h 50mnonstop
Southwest Logo
6:35 am - 8:15 am
DAL
-
STL
1h 40mnonstop
$231Southwest
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
5:42 pm - 3:48 pm
STL
-
DFW
46h 06m
2 stops
Multiple Airlines Logo
9:30 am - 10:27 pm
DFW
-
STL
12h 57m
1 stop
$232Multiple Airlines
Sun, Feb 8 - Wed, Feb 11
Frontier Logo
3:49 pm - 10:23 am
STL
-
DFW
18h 34m
1 stop
Frontier Logo
8:25 am - 11:59 pm
DFW
-
STL
15h 34m
1 stop
$233Frontier
Wed, Feb 18 - Sat, Feb 21
Frontier Logo
3:02 pm - 5:07 pm
STL
-
DFW
2h 05mnonstop
Frontier Logo
8:36 pm - 6:50 am
DFW
-
STL
10h 14m
1 stop
$234Frontier
Fri, May 1 - Sun, May 3
Frontier Logo
12:03 pm - 12:18 am
STL
-
DFW
12h 15m
1 stop
Frontier Logo
5:45 am - 1:58 pm
DFW
-
STL
8h 13m
1 stop
$235Frontier
Sun, Feb 8 - Wed, Feb 11
Southwest Logo
2:20 pm - 4:10 pm
STL
-
DAL
1h 50mnonstop
Southwest Logo
1:45 pm - 4:50 pm
DAL
-
STL
3h 05m
1 stop
$237Southwest
Tue, Feb 24 - Tue, Mar 3
American Airlines Logo
4:05 pm - 12:49 am
STL
-
DFW
8h 44m
1 stop
American Airlines Logo
7:08 am - 8:55 am
DFW
-
STL
1h 47mnonstop
$237American Airlines
Wed, Feb 25 - Sat, Feb 28
American Airlines Logo
7:00 am - 9:12 am
STL
-
DFW
2h 12mnonstop
American Airlines Logo
2:10 pm - 3:57 pm
DFW
-
STL
1h 47mnonstop
$238American Airlines
Wed, Mar 11 - Sat, Mar 14

Frontier flights from St. Louis to Dallas

Our best Frontier deals on St. Louis to Dallas flight tickets
Frontier
Feb 18
STL3:49 pmLambert-St Louis
18h 34m
1 stop
DFW10:23 amDallas/Fort Worth
Feb 21
DFW8:25 amDallas/Fort Worth
15h 34m
1 stop
STL11:59 pmLambert-St Louis
$233
Frontier
May 1
STL3:02 pmLambert-St Louis
2h 05m
DFW5:07 pmDallas/Fort Worth
May 3
DFW8:36 pmDallas/Fort Worth
10h 14m
1 stop
STL6:50 amLambert-St Louis
$234
Frontier
Feb 8
STL12:03 pmLambert-St Louis
12h 15m
1 stop
DFW12:18 amDallas/Fort Worth
Feb 11
DFW5:45 amDallas/Fort Worth
8h 13m
1 stop
STL1:58 pmLambert-St Louis
$235

American Airlines flights from St. Louis to Dallas

Our best American Airlines deals on St. Louis to Dallas flight tickets
American Airlines
Feb 25
STL4:13 pmLambert-St Louis
2h 02m
DFW6:15 pmDallas/Fort Worth
Mar 4
DFW3:26 pmDallas/Fort Worth
1h 47m
STL5:13 pmLambert-St Louis
$231
American Airlines
Feb 25
STL4:05 pmLambert-St Louis
8h 44m
1 stop
DFW12:49 amDallas/Fort Worth
Feb 28
DFW7:08 amDallas/Fort Worth
1h 47m
STL8:55 amLambert-St Louis
$237
American Airlines
Mar 11
STL7:00 amLambert-St Louis
2h 12m
DFW9:12 amDallas/Fort Worth
Mar 14
DFW2:10 pmDallas/Fort Worth
1h 47m
STL3:57 pmLambert-St Louis
$238

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 January 29, 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

Fri 3/20

12:16 pm-7:29 am

1 stop19h 13m

Dallas/Fort Worth

Tue 3/24

5:20 pm-9:49 am

2 stops16h 29m

$230

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 2/25

4:13 pm-6:15 pm

Nonstop2h 02m

Dallas/Fort Worth

Wed 3/4

3:26 pm-5:13 pm

Nonstop1h 47m

$231

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Wed 2/25

7:10 pm-9:00 pm

Nonstop1h 50m

Dallas Love Field

Wed 3/4

6:35 am-8:15 am

Nonstop1h 40m

$231

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sun 2/8

5:42 pm-3:48 pm

2 stops46h 06m

Dallas/Fort Worth

Wed 2/11

9:30 am-10:27 pm

1 stop12h 57m

$232

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 2/18

3:49 pm-10:23 am

1 stop18h 34m

Dallas/Fort Worth

Sat 2/21

8:25 am-11:59 pm

1 stop15h 34m

$233

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 5/1

3:02 pm-5:07 pm

Nonstop2h 05m

Dallas/Fort Worth

Sun 5/3

8:36 pm-6:50 am

1 stop10h 14m

$234

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sun 2/8

12:03 pm-12:18 am

1 stop12h 15m

Dallas/Fort Worth

Wed 2/11

5:45 am-1:58 pm

1 stop8h 13m

$235

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Tue 2/24

2:20 pm-4:10 pm

Nonstop1h 50m

Dallas Love Field

Tue 3/3

1:45 pm-4:50 pm

1 stop3h 05m

$237

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 2/25

4:05 pm-12:49 am

1 stop8h 44m

Dallas/Fort Worth

Sat 2/28

7:08 am-8:55 am

Nonstop1h 47m

$237

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 3/11

7:00 am-9:12 am

Nonstop2h 12m

Dallas/Fort Worth

Sat 3/14

2:10 pm-3:57 pm

Nonstop1h 47m

$238

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 $504. 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 $642.

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 $397 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 $701 per ticket.

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

Fly from Lambert-St Louis to Dallas Love Field 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 $274 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 $67Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,127 reviews
Search Delta flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $167Free CancellationRating
7.2
11,206 reviews
Search American Airlines 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