$54 Cheap Flights from St. Louis (STL) to Dallas (DFW)

View $54 flight on Mon, Oct 27, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW)

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

Prices were available within the past 7 days and start at $54 for one-way flights and $77 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Nov 6 - Sun, Nov 9
STL
St. Louis
DFW
Dallas
$77 Roundtrip, found 5 hours ago
$77
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Nov 6 from St. Louis to Dallas, returning Sun, Nov 9, priced at $77 found 5 hours ago
Frontier Airlines
Sun, Oct 5 - Sun, Oct 12
STL
St. Louis
DFW
Dallas
$93 Roundtrip, found 17 hours ago
$93
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Sun, Oct 5 from St. Louis to Dallas, returning Sun, Oct 12, priced at $93 found 17 hours ago
Frontier Airlines
Sun, Nov 16 - Tue, Nov 18
STL
St. Louis
DFW
Dallas
$111 Roundtrip, found 5 hours ago
$111
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sun, Nov 16 from St. Louis to Dallas, returning Tue, Nov 18, priced at $111 found 5 hours ago
American Airlines
Wed, Oct 29 - Sun, Nov 2
STL
St. Louis
DFW
Dallas
$112 Roundtrip, found 10 hours ago
$112
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Oct 29 from St. Louis to Dallas, returning Sun, Nov 2, priced at $112 found 10 hours ago
Frontier Airlines
Thu, Oct 16 - Sun, Oct 19
STL
St. Louis
DFW
Dallas
$117 Roundtrip, found 6 hours ago
$117
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Thu, Oct 16 from St. Louis to Dallas, returning Sun, Oct 19, priced at $117 found 6 hours ago
Frontier Airlines
Sun, Oct 26 - Mon, Oct 27
STL
St. Louis
DFW
Dallas
$120 Roundtrip, found 1 day ago
$120
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Oct 26 from St. Louis to Dallas, returning Mon, Oct 27, priced at $120 found 1 day ago
American Airlines
Sat, Oct 11 - Sun, Oct 12
STL
St. Louis
DFW
Dallas
$121 Roundtrip, found 8 hours ago
$121
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Oct 11 from St. Louis to Dallas, returning Sun, Oct 12, priced at $121 found 8 hours ago
Spirit Airlines
Thu, Sep 18 - Sun, Oct 5
STL
St. Louis
DFW
Dallas
$130 Roundtrip, found 4 days ago
$130
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Thu, Sep 18 from St. Louis to Dallas, returning Sun, Oct 5, priced at $130 found 4 days ago
Delta
Tue, Oct 21 - Thu, Oct 23
STL
St. Louis
DFW
Dallas
$140 Roundtrip, found 1 day ago
$140
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 21 from St. Louis to Dallas, returning Thu, Oct 23, priced at $140 found 1 day ago
United
Tue, Oct 28 - Wed, Oct 29
STL
St. Louis
DFW
Dallas
$292 Roundtrip, found 2 days ago
$292
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 28 from St. Louis to Dallas, returning Wed, Oct 29, priced at $292 found 2 days ago

Find the cheapest month to fly from St. Louis (STL) to Dallas (DFW)

October is typically the cheapest month to fly

From $85 - $307 per traveler.

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW) cost?
Snag a cheap one-way flight from $54 or cheap return flight from $77 from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW)?
Traveling in November can help you save, as it's the cheapest month for flights between STL and DFW. You'll often find the lowest fares during off-peak months.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW)?
You can fly straight from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW) on an American Airlines flight.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW)?
To find the cheapest airline flying from STL to DFW, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW)?
Each day, an average of 6 nonstop flights operate from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW). Pick the departure time that best suits your travel plans.
What are the most popular departure times for flights from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW)?
More people fly between STL and DFW at 5 AM than at any other time. Prefer a quieter experience? Try choosing a quieter departure window and there's a chance you'll save on your fare as well.
What day of the week has the most flights from STL to DFW?
Depart on a Friday if you're after the best choice of flights from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW).
What is the earliest flight from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW)?
The earliest flight jetting off from Lambert-St. Louis Intl. Airport (STL) is at around 5:03AM UTC-6. Catch this flight and you'll land at Dallas-Fort Worth Intl. Airport (DFW) at approximately 7:17AM UTC-6. The total flight duration is 2h 14m.
How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW)?
Flights from STL to DFW have an average travel time of 2 hours and 8 minutes. The total distance between the two airports is 550 mi.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Dallas-Fort Worth Intl. Airport (DFW)?
To reach Dallas-Fort Worth Intl. Airport (DFW) on schedule, book a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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'll 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 Dallas-Fort Worth Intl. Airport (DFW) last-minute?
Waiting until just before your departure to book a flight from STL to DFW generally means paying more. While you might find some last-minute offers, they're not always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book a STL to DFW flight and hotel package?
Securing a STL to DFW flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all 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 Dallas-Fort Worth Intl. Airport (DFW)?
It's generally possible to reschedule or cancel your STL to DFW flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Dallas-Fort Worth Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Roundtrip price
$77
Distance
550 mi
Average flight time
1 hour 54 mins

Book with confidence

Book with confidence

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 November. 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 $54 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.

 

St. Louis to Dallas Flights

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*Available to One Key members.