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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 2/7. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:42 pm - 11:26 am
STL
-
DFW
17h 44m
1 stop
Multiple Airlines Logo
8:40 pm - 10:27 pm
DFW
-
STL
25h 47m
2 stops
$189Multiple Airlines
Wed, Feb 4 - Mon, Feb 9
Frontier Logo
8:12 pm - 9:16 am
STL
-
DFW
13h 04m
1 stop
Frontier Logo
7:14 pm - 7:02 am
DFW
-
STL
11h 48m
1 stop
$190Frontier
Wed, Mar 18 - Wed, Mar 25
Frontier Logo
3:49 pm - 4:54 pm
STL
-
DFW
25h 05m
1 stop
Frontier Logo
4:52 pm - 6:51 am
DFW
-
STL
13h 59m
1 stop
$191Frontier
Tue, Feb 10 - Tue, Feb 17
Frontier Logo
3:49 pm - 4:24 pm
STL
-
DFW
24h 35m
1 stop
Frontier Logo
9:38 am - 8:02 pm
DFW
-
STL
10h 24m
1 stop
$194Frontier
Tue, Feb 17 - Mon, Feb 23
Frontier Logo
5:42 pm - 11:26 am
STL
-
DFW
17h 44m
1 stop
Frontier Logo
1:23 pm - 11:33 pm
DFW
-
STL
10h 10m
1 stop
$195Frontier
Thu, Jan 29 - Fri, Jan 30
Multiple Airlines Logo
5:42 pm - 12:28 pm
STL
-
DFW
18h 46m
2 stops
Multiple Airlines Logo
8:40 pm - 6:51 am
DFW
-
STL
10h 11m
1 stop
$198Multiple Airlines
Sun, Feb 8 - Tue, Feb 10
Multiple Airlines Logo
8:17 pm - 7:02 am
STL
-
DFW
10h 45m
1 stop
Multiple Airlines Logo
9:55 pm - 11:59 pm
DFW
-
STL
26h 04m
2 stops
$199Multiple Airlines
Wed, Feb 11 - Wed, Feb 18
American Airlines Logo
11:46 am - 1:45 pm
STL
-
DFW
1h 59mnonstop
American Airlines Logo
3:20 pm - 11:48 pm
DFW
-
STL
8h 28m
1 stop
$202American Airlines
Tue, Feb 24 - Tue, Feb 24
Southwest Logo
8:55 am - 10:45 am
STL
-
DAL
1h 50mnonstop
Southwest Logo
6:40 pm - 8:20 pm
DAL
-
STL
1h 40mnonstop
$231Southwest
Tue, Feb 10 - Tue, Feb 17
Southwest Logo
5:55 pm - 10:25 pm
STL
-
DAL
4h 30m
1 stop
Southwest Logo
6:40 pm - 8:20 pm
DAL
-
STL
1h 40mnonstop
$241Southwest
Tue, Feb 10 - Tue, Feb 17

American Airlines flights from St. Louis to Dallas

Our best American Airlines deals on St. Louis to Dallas flight tickets
American Airlines
Feb 24
STL11:46 amLambert-St Louis
1h 59m
DFW1:45 pmDallas/Fort Worth
Feb 24
DFW3:20 pmDallas/Fort Worth
8h 28m
1 stop
STL11:48 pmLambert-St Louis
$202
American Airlines
Feb 10
STL11:05 amLambert-St Louis
4h 50m
1 stop
DFW3:55 pmDallas/Fort Worth
Feb 17
DFW9:34 pmDallas/Fort Worth
1h 48m
STL11:22 pmLambert-St Louis
$241
American Airlines
Feb 16
STL5:12 amLambert-St Louis
2h 09m
DFW7:21 amDallas/Fort Worth
Feb 19
DFW1:41 pmDallas/Fort Worth
1h 47m
STL3:28 pmLambert-St Louis
$245

United Airlines flights from St. Louis to Dallas

Our best United Airlines deals on St. Louis to Dallas flight tickets
United Airlines
Feb 4
STL11:20 amLambert-St Louis
8h 43m
2 stops
DFW8:03 pmDallas/Fort Worth
Feb 5
DFW5:11 pmDallas/Fort Worth
4h 49m
1 stop
STL10:00 pmLambert-St Louis
$218
United Airlines
Jan 29
STL2:45 pmLambert-St Louis
6h 00m
1 stop
DFW8:45 pmDallas/Fort Worth
Jan 30
DFW5:19 amDallas/Fort Worth
7h 10m
2 stops
STL12:29 pmLambert-St Louis
$380

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 16, 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

Wed 2/4

5:42 pm-11:26 am

1 stop17h 44m

Dallas/Fort Worth

Mon 2/9

8:40 pm-10:27 pm

2 stops25h 47m

$189

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 3/18

8:12 pm-9:16 am

1 stop13h 04m

Dallas/Fort Worth

Wed 3/25

7:14 pm-7:02 am

1 stop11h 48m

$190

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 2/10

3:49 pm-4:54 pm

1 stop25h 05m

Dallas/Fort Worth

Tue 2/17

4:52 pm-6:51 am

1 stop13h 59m

$191

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 2/17

3:49 pm-4:24 pm

1 stop24h 35m

Dallas/Fort Worth

Mon 2/23

9:38 am-8:02 pm

1 stop10h 24m

$194

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 1/29

5:42 pm-11:26 am

1 stop17h 44m

Dallas/Fort Worth

Fri 1/30

1:23 pm-11:33 pm

1 stop10h 10m

$195

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sun 2/8

5:42 pm-12:28 pm

2 stops18h 46m

Dallas/Fort Worth

Tue 2/10

8:40 pm-6:51 am

1 stop10h 11m

$198

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 2/11

8:17 pm-7:02 am

1 stop10h 45m

Dallas/Fort Worth

Wed 2/18

9:55 pm-11:59 pm

2 stops26h 04m

$199

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 2/24

11:46 am-1:45 pm

Nonstop1h 59m

Dallas/Fort Worth

Tue 2/24

3:20 pm-11:48 pm

1 stop8h 28m

$202

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Tue 2/10

8:55 am-10:45 am

Nonstop1h 50m

Dallas Love Field

Tue 2/17

6:40 pm-8:20 pm

Nonstop1h 40m

$231

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Tue 2/10

5:55 pm-10:25 pm

1 stop4h 30m

Dallas Love Field

Tue 2/17

6:40 pm-8:20 pm

Nonstop1h 40m

$241

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 $490. 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 $406 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 $686 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 $272 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
3,057 reviews
Search Frontier flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,050 reviews
Search Delta flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
American AirlinesPriceFrom $168Free CancellationRating
7.2
11,136 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