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 1/24. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from St. Louis to Dallas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:03 pm - 7:58 pm
STL
-
DFW
6h 55m1 stop
Frontier Logo
8:50 am - 2:46 pm
DFW
-
STL
5h 56m1 stop
$196Frontier
Fri, Jan 23 - Sat, Jan 24
Frontier Logo
3:43 pm - 10:59 pm
STL
-
DFW
7h 16m1 stop
Frontier Logo
1:08 pm - 10:33 pm
DFW
-
STL
9h 25m1 stop
$197Frontier
Fri, Jan 9 - Mon, Jan 12
Frontier Logo
3:43 pm - 5:00 pm
STL
-
DFW
25h 17m1 stop
Frontier Logo
7:50 pm - 6:51 pm
DFW
-
STL
23h 01m1 stop
$198Frontier
Sat, Jan 17 - Sun, Jan 18
Frontier Logo
5:11 pm - 1:30 pm
STL
-
DFW
20h 19m1 stop
Frontier Logo
6:06 am - 2:48 pm
DFW
-
STL
8h 42m1 stop
$199Frontier
Tue, Jan 6 - Fri, Jan 9
Southwest Logo
5:45 pm - 7:35 pm
STL
-
DAL
1h 50mnonstop
Southwest Logo
10:05 am - 11:45 am
DAL
-
STL
1h 40mnonstop
$205Southwest
Sat, Jan 17 - Sun, Jan 18
American Airlines Logo
5:04 pm - 7:20 pm
STL
-
DFW
2h 16mnonstop
American Airlines Logo
9:19 am - 11:03 am
DFW
-
STL
1h 44mnonstop
$206American Airlines
Sat, Jan 17 - Sun, Jan 18
Southwest Logo
5:30 am - 12:50 pm
STL
-
DAL
7h 20m1 stop
Southwest Logo
10:05 am - 11:45 am
DAL
-
STL
1h 40mnonstop
$215Southwest
Sat, Jan 17 - Sun, Jan 18
American Airlines Logo
5:04 pm - 7:20 pm
STL
-
DFW
2h 16mnonstop
American Airlines Logo
2:34 pm - 4:14 pm
DFW
-
STL
1h 40mnonstop
$218American Airlines
Wed, Jan 14 - Tue, Jan 20
Multiple Airlines Logo
10:06 am - 11:35 pm
STL
-
DFW
13h 29m2 stops
Multiple Airlines Logo
8:31 pm - 12:50 pm
DFW
-
STL
16h 19m1 stop
$219Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
3:43 pm - 11:38 am
STL
-
DFW
19h 55m1 stop
Multiple Airlines Logo
8:40 pm - 11:33 pm
DFW
-
STL
26h 53m2 stops
$220Multiple Airlines
Wed, Jan 14 - Mon, Jan 19

American Airlines flights from St. Louis to Dallas

Our best American Airlines deals on St. Louis to Dallas flight tickets
American Airlines
Jan 17
STL11:55 amLambert-St Louis
2h 04m
DFW1:59 pmDallas/Fort Worth
Jan 20
DFW2:34 pmDallas/Fort Worth
1h 40m
STL4:14 pmLambert-St Louis
American Airlines
Jan 14
STL5:04 pmLambert-St Louis
2h 16m
DFW7:20 pmDallas/Fort Worth
Jan 20
DFW2:34 pmDallas/Fort Worth
1h 40m
STL4:14 pmLambert-St Louis
American Airlines
Feb 7
STL3:54 pmLambert-St Louis
2h 11m
DFW6:05 pmDallas/Fort Worth
Feb 14
DFW9:15 amDallas/Fort Worth
1h 44m
STL10:59 amLambert-St Louis

Frontier flights from St. Louis to Dallas

Our best Frontier deals on St. Louis to Dallas flight tickets
Frontier
Jan 23
STL1:03 pmLambert-St Louis
6h 55m
1 stop
DFW7:58 pmDallas/Fort Worth
Jan 24
DFW8:50 amDallas/Fort Worth
5h 56m
1 stop
STL2:46 pmLambert-St Louis
Frontier
Jan 9
STL3:43 pmLambert-St Louis
7h 16m
1 stop
DFW10:59 pmDallas/Fort Worth
Jan 12
DFW1:08 pmDallas/Fort Worth
9h 25m
1 stop
STL10:33 pmLambert-St Louis
Frontier
Jan 22
STL5:42 pmLambert-St Louis
19h 51m
2 stops
DFW1:33 pmDallas/Fort Worth
Jan 26
DFW8:01 pmDallas/Fort Worth
27h 32m
1 stop
STL11:33 pmLambert-St Louis

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 December 25, 2025.
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 1/23

1:03 pm-7:58 pm

1 stop6h 55m

Dallas/Fort Worth

Sat 1/24

8:50 am-2:46 pm

1 stop5h 56m

$196

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 1/9

3:43 pm-10:59 pm

1 stop7h 16m

Dallas/Fort Worth

Mon 1/12

1:08 pm-10:33 pm

1 stop9h 25m

$197

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 1/17

3:43 pm-5:00 pm

1 stop25h 17m

Dallas/Fort Worth

Sun 1/18

7:50 pm-6:51 pm

1 stop23h 01m

$198

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 1/6

5:11 pm-1:30 pm

1 stop20h 19m

Dallas/Fort Worth

Fri 1/9

6:06 am-2:48 pm

1 stop8h 42m

$199

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Sat 1/17

5:45 pm-7:35 pm

Nonstop1h 50m

Dallas Love Field

Sun 1/18

10:05 am-11:45 am

Nonstop1h 40m

$205

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 1/17

5:04 pm-7:20 pm

Nonstop2h 16m

Dallas/Fort Worth

Sun 1/18

9:19 am-11:03 am

Nonstop1h 44m

$206

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Sat 1/17

5:30 am-12:50 pm

1 stop7h 20m

Dallas Love Field

Sun 1/18

10:05 am-11:45 am

Nonstop1h 40m

$215

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 1/14

5:04 pm-7:20 pm

Nonstop2h 16m

Dallas/Fort Worth

Tue 1/20

2:34 pm-4:14 pm

Nonstop1h 40m

$218

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sun 1/18

10:06 am-11:35 pm

2 stops13h 29m

Dallas/Fort Worth

Sun 1/25

8:31 pm-12:50 pm

1 stop16h 19m

$219

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 1/14

3:43 pm-11:38 am

1 stop19h 55m

Dallas/Fort Worth

Mon 1/19

8:40 pm-11:33 pm

2 stops26h 53m

$220

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $495. 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 $665 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 $171 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).
  • 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 $69Free CancellationRating
5.7
3,069 reviews
Search Frontier flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,011 reviews
Search Delta flights
SouthwestPriceFrom $160Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
American AirlinesPriceFrom $167Free CancellationRating
7.2
11,056 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.

An easier way to manage your Dallas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/24
Sat 1/31

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