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Cheap flights from St. Louis to Dallas from $51

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 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Dallas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:41 pm - 5:43 pm
STL
-
DFW
2h 02mnonstop
Frontier Logo
4:16 pm - 8:57 am
DFW
-
STL
16h 41m
1 stop
$160Frontier
Tue, Aug 11 - Thu, Aug 13
Frontier Logo
3:41 pm - 5:43 pm
STL
-
DFW
2h 02mnonstop
Frontier Logo
4:16 pm - 5:37 pm
DFW
-
STL
25h 21m
1 stop
$161Frontier
Thu, Aug 6 - Mon, Aug 10
Frontier Logo
6:41 pm - 8:46 pm
STL
-
DFW
2h 05mnonstop
Frontier Logo
3:50 pm - 5:46 pm
DFW
-
STL
1h 56mnonstop
$162Frontier
Fri, Oct 23 - Sun, Oct 25
Frontier Logo
10:35 am - 7:50 pm
STL
-
DFW
9h 15m
1 stop
Frontier Logo
3:50 pm - 5:46 pm
DFW
-
STL
1h 56mnonstop
$166Frontier
Fri, Oct 23 - Sun, Oct 25
Frontier Logo
6:45 pm - 5:48 am
STL
-
DFW
11h 03m
1 stop
Frontier Logo
2:35 pm - 4:31 pm
DFW
-
STL
1h 56mnonstop
$171Frontier
Wed, Sep 2 - Sun, Sep 6
Frontier Logo
3:41 pm - 5:43 pm
STL
-
DFW
2h 02mnonstop
Frontier Logo
10:00 am - 5:22 pm
DFW
-
STL
7h 22m
1 stop
$174Frontier
Sat, Aug 15 - Fri, Aug 21
Frontier Logo
8:08 pm - 8:09 am
STL
-
DFW
12h 01m
1 stop
Frontier Logo
2:20 pm - 4:16 pm
DFW
-
STL
1h 56mnonstop
$176Frontier
Wed, Aug 12 - Tue, Aug 18
Frontier Logo
10:35 am - 7:50 pm
STL
-
DFW
9h 15m
1 stop
Frontier Logo
3:48 pm - 5:44 pm
DFW
-
STL
1h 56mnonstop
$177Frontier
Thu, Sep 24 - Sun, Sep 27
Southwest Logo
3:45 pm - 5:20 pm
STL
-
DAL
1h 35mnonstop
Southwest Logo
6:55 pm - 8:40 pm
DAL
-
STL
1h 45mnonstop
$197Southwest
Mon, Aug 17 - Tue, Aug 18
Southwest Logo
8:30 am - 12:20 pm
STL
-
DAL
3h 50m
1 stop
Southwest Logo
6:00 am - 7:45 am
DAL
-
STL
1h 45mnonstop
$203Southwest
Thu, Sep 3 - Mon, Sep 7

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American Airlines flights from St. Louis to Dallas

Our best American Airlines deals on St. Louis to Dallas flight tickets
American Airlines
Aug 17
STL8:36 amLambert-St Louis
1h 58m
DFW10:34 amDallas/Fort Worth
Aug 19
DFW4:15 pmDallas/Fort Worth
1h 50m
STL6:05 pmLambert-St Louis
$197
American Airlines
Sep 3
STL10:16 amLambert-St Louis
1h 52m
DFW12:08 pmDallas/Fort Worth
Sep 6
DFW9:56 pmDallas/Fort Worth
1h 46m
STL11:42 pmLambert-St Louis
$212
American Airlines
Sep 7
STL6:36 amLambert-St Louis
1h 59m
DFW8:35 amDallas/Fort Worth
Sep 28
DFW9:58 pmDallas/Fort Worth
1h 45m
STL11:43 pmLambert-St Louis
$225

Frontier flights from St. Louis to Dallas

Our best Frontier deals on St. Louis to Dallas flight tickets
Frontier
Aug 11
STL3:41 pmLambert-St Louis
2h 02m
DFW5:43 pmDallas/Fort Worth
Aug 13
DFW6:13 amDallas/Fort Worth
11h 24m
1 stop
STL5:37 pmLambert-St Louis
$160
Frontier
Aug 6
STL3:41 pmLambert-St Louis
2h 02m
DFW5:43 pmDallas/Fort Worth
Aug 10
DFW4:16 pmDallas/Fort Worth
25h 21m
1 stop
STL5:37 pmLambert-St Louis
$161
Frontier
Oct 23
STL6:41 pmLambert-St Louis
2h 05m
DFW8:46 pmDallas/Fort Worth
Oct 25
DFW3:50 pmDallas/Fort Worth
1h 56m
STL5:46 pmLambert-St Louis
$162

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 July 23, 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

Cheapest round-trip

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 8/11

3:41 pm-5:43 pm

Nonstop2h 02m

Dallas/Fort Worth

Thu 8/13

4:16 pm-8:57 am

1 stop16h 41m

$160

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 8/6

3:41 pm-5:43 pm

Nonstop2h 02m

Dallas/Fort Worth

Mon 8/10

4:16 pm-5:37 pm

1 stop25h 21m

$161

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 10/23

6:41 pm-8:46 pm

Nonstop2h 05m

Dallas/Fort Worth

Sun 10/25

3:50 pm-5:46 pm

Nonstop1h 56m

$162

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 10/23

10:35 am-7:50 pm

1 stop9h 15m

Dallas/Fort Worth

Sun 10/25

3:50 pm-5:46 pm

Nonstop1h 56m

$166

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 9/2

6:45 pm-5:48 am

1 stop11h 03m

Dallas/Fort Worth

Sun 9/6

2:35 pm-4:31 pm

Nonstop1h 56m

$171

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 8/15

3:41 pm-5:43 pm

Nonstop2h 02m

Dallas/Fort Worth

Fri 8/21

10:00 am-5:22 pm

1 stop7h 22m

$174

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 8/12

8:08 pm-8:09 am

1 stop12h 01m

Dallas/Fort Worth

Tue 8/18

2:20 pm-4:16 pm

Nonstop1h 56m

$176

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 9/24

10:35 am-7:50 pm

1 stop9h 15m

Dallas/Fort Worth

Sun 9/27

3:48 pm-5:44 pm

Nonstop1h 56m

$177
Quickest round-trip

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Mon 8/17

3:45 pm-5:20 pm

Nonstop1h 35m

Dallas Love Field

Tue 8/18

6:55 pm-8:40 pm

Nonstop1h 45m

$197

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Thu 9/3

8:30 am-12:20 pm

1 stop3h 50m

Dallas Love Field

Mon 9/7

6:00 am-7:45 am

Nonstop1h 45m

$203

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 typical price of a round-trip flight between St. Louis and Dallas?

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 October is also very affordable. Most momondo users find prices during this month for around $222.

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 $485. 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 $668.

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 $752 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 from St. Louis 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 $285 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 $234 on momondo.

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

There are 4 cabin classes available to choose from on 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 35m

Direct flights

Every day

Airports in Dallas

3 airports
The fastest flight from St. Louis to Dallas takes 1h 35m
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

Frequently asked questions about flying from St. Louis to Dallas

  • 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 35m, 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 $68Free CancellationRating
5.6
2,770 reviews
Search Frontier flights
American AirlinesPriceFrom $169Free CancellationRating
7.1
11,832 reviews
Search American Airlines flights
SouthwestPriceFrom $173Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
JetBluePriceFrom $181Free CancellationRating
7.1
3,020 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