$72 Cheap Flights from St. Louis (STL) to Dallas (DAL)

View $72 flight on Wed, Jun 11, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Love Field Airport (DAL)

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Find available prices by choosing your travel dates.

Cheap Flights from St. Louis to Dallas (STL-DAL)

Prices were available within the past 7 days and start at $72 for one-way flights and $143 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Jun 24 - Mon, Jun 30
STL
St. Louis
DAL
Dallas
$143 Roundtrip, found 1 hour ago
$143
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Jun 24 from St. Louis to Dallas, returning Mon, Jun 30, priced at $143 found 1 hour ago
Southwest Airlines
Thu, May 29 - Mon, Jun 2
STL
St. Louis
DAL
Dallas
$195 Roundtrip, found 5 hours ago
$195
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Thu, May 29 from St. Louis to Dallas, returning Mon, Jun 2, priced at $195 found 5 hours ago
Southwest Airlines
Wed, May 21 - Sat, May 24
STL
St. Louis
DAL
Dallas
$199 Roundtrip, found 1 hour ago
$199
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, May 21 from St. Louis to Dallas, returning Sat, May 24, priced at $199 found 1 hour ago
Southwest Airlines
Wed, May 28 - Wed, Jun 4
STL
St. Louis
DAL
Dallas
$203 Roundtrip, found 21 hours ago
$203
Roundtrip
found 21 hours ago
Select Southwest Airlines flight, departing Wed, May 28 from St. Louis to Dallas, returning Wed, Jun 4, priced at $203 found 21 hours ago
Southwest Airlines
Wed, May 28 - Mon, Jun 2
STL
St. Louis
DAL
Dallas
$204 Roundtrip, found 6 hours ago
$204
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Wed, May 28 from St. Louis to Dallas, returning Mon, Jun 2, priced at $204 found 6 hours ago
Southwest Airlines
Thu, Jul 3 - Mon, Jul 7
STL
St. Louis
DAL
Dallas
$206 Roundtrip, found 1 day ago
$206
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Jul 3 from St. Louis to Dallas, returning Mon, Jul 7, priced at $206 found 1 day ago
Southwest Airlines
Thu, May 22 - Wed, May 28
STL
St. Louis
DAL
Dallas
$208 Roundtrip, found 1 hour ago
$208
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Thu, May 22 from St. Louis to Dallas, returning Wed, May 28, priced at $208 found 1 hour ago
Southwest Airlines
Wed, Jun 11 - Mon, Jun 16
STL
St. Louis
DAL
Dallas
$209 Roundtrip, found 3 hours ago
$209
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Jun 11 from St. Louis to Dallas, returning Mon, Jun 16, priced at $209 found 3 hours ago
Southwest Airlines
Thu, May 29 - Thu, Jun 5
STL
St. Louis
DAL
Dallas
$213 Roundtrip, found 3 hours ago
$213
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Thu, May 29 from St. Louis to Dallas, returning Thu, Jun 5, priced at $213 found 3 hours ago
Delta
Wed, May 21 - Sat, May 24
STL
St. Louis
DAL
Dallas
$275 Roundtrip, found 1 hour ago
$275
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, May 21 from St. Louis to Dallas, returning Sat, May 24, priced at $275 found 1 hour ago
Flights from St. Louis (STL) to Dallas (DAL)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Love Field
Airlines serving
Delta, Southwest Airlines
Roundtrip price
$143
Distance
545 mi

St. Louis to Dallas Flights

The cheapest times to fly from St. Louis to Dallas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Dallas are during the month of June. You can find some of the cheapest flights from St. Louis to Dallas with Expedia's search tool and vast selection of airlines.

The best time to book a flight from St. Louis to Dallas

Sunday is one of the best days to book for cheap flights from St. Louis to Dallas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from St. Louis to Dallas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Dallas in 2025. You can also book with separate airlines for your outbound and return journeys, from $72 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Dallas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Dallas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL) cost?
Cheap return fares from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL) start from $202. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines and Frontier Airlines flight leaving STL on May 14 2025 and touching down at DAL. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from STL to DAL?
The cheapest flights from STL to DAL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL)?
When heading out of Lambert-St. Louis Intl. Airport (STL), you can hop on a nonstop flight to Love Field Airport (DAL) with Southwest Airlines.
What is the cheapest airline that flies from STL to DAL?
Fly from STL to DAL with Southwest Airlines. This carrier currently offers the cheapest one-way ticket on this route, starting from $128. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from STL on May 21 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL)?
With, on average, 5 direct flights that operate from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL) every day, you’ll be off on your next adventure in no time.
What are the most popular departure times for flights from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL)?
The 8 AM departures from STL to DAL are the top choice for many travelers. These flights can come with a higher price due to their popularity. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from STL to DAL?
Friday has the most flights from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL). Consider taking off on this day and you’ll have the best chance of finding a schedule that works for you.
What is the earliest flight from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL)?
Hop on the earliest flight at around 5:55AM UTC-6, leaving from Lambert-St. Louis Intl. Airport (STL). You’ll be flying for around 1h 55m, landing at Love Field Airport (DAL) at approximately 7:50AM UTC-6.
How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL)?
The average flight time from STL to DAL is 1 hour and 52 minutes, covering a distance of 550 mi.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Dallas from Lambert-St. Louis Intl. Airport (STL)?
You can arrive at Dallas-Fort Worth Intl. Airport (DFW) or Love Field Airport (DAL) when traveling to Dallas on a direct flight from Lambert-St. Louis Intl. Airport (STL).
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL) last-minute?
Booking your flight from STL to DAL shortly before your getaway is typically more expensive. However, if you’re flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to DAL flight and hotel package?
Booking a STL to DAL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our impressive range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Love Field Airport (DAL)?
It’s usually possible to reschedule or cancel your STL to DAL flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.