$77 Cheap Flights from Dallas (DAL) to St. Louis (STL)

View $77 flight on Thu, May 22, 2025Opens in a new window

Featured airlines

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $77 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
Thu, Jun 5 - Wed, Jun 11
DAL
Dallas
STL
St. Louis
$143 Roundtrip, just found
$143
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Jun 5 from Dallas to St. Louis, returning Wed, Jun 11, priced at $143 just found
Southwest Airlines
Tue, May 20 - Wed, May 21
DAL
Dallas
STL
St. Louis
$180 Roundtrip, found 1 day ago
$180
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, May 20 from Dallas to St. Louis, returning Wed, May 21, priced at $180 found 1 day ago
Southwest Airlines
Thu, Jun 5 - Thu, Jun 12
DAL
Dallas
STL
St. Louis
$195 Roundtrip, found 5 hours ago
$195
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Thu, Jun 5 from Dallas to St. Louis, returning Thu, Jun 12, priced at $195 found 5 hours ago
Southwest Airlines
Thu, May 29 - Wed, Jun 4
DAL
Dallas
STL
St. Louis
$199 Roundtrip, found 2 days ago
$199
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, May 29 from Dallas to St. Louis, returning Wed, Jun 4, priced at $199 found 2 days ago
Southwest Airlines
Wed, Jun 4 - Mon, Jun 9
DAL
Dallas
STL
St. Louis
$203 Roundtrip, found 9 hours ago
$203
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Wed, Jun 4 from Dallas to St. Louis, returning Mon, Jun 9, priced at $203 found 9 hours ago
Southwest Airlines
Thu, May 22 - Sun, May 25
DAL
Dallas
STL
St. Louis
$204 Roundtrip, found 17 hours ago
$204
Roundtrip
found 17 hours ago
Select Southwest Airlines flight, departing Thu, May 22 from Dallas to St. Louis, returning Sun, May 25, priced at $204 found 17 hours ago
Southwest Airlines
Tue, May 20 - Thu, May 22
DAL
Dallas
STL
St. Louis
$208 Roundtrip, found 5 hours ago
$208
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Tue, May 20 from Dallas to St. Louis, returning Thu, May 22, priced at $208 found 5 hours ago
Southwest Airlines
Thu, Jun 5 - Wed, Jun 11
DAL
Dallas
STL
St. Louis
$209 Roundtrip, just found
$209
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Jun 5 from Dallas to St. Louis, returning Wed, Jun 11, priced at $209 just found
Southwest Airlines
Wed, May 28 - Thu, May 29
DAL
Dallas
STL
St. Louis
$213 Roundtrip, found 9 hours ago
$213
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Wed, May 28 from Dallas to St. Louis, returning Thu, May 29, priced at $213 found 9 hours ago
Delta
Sat, May 31 - Wed, Jun 11
DAL
Dallas
STL
St. Louis
$223 Roundtrip, found 18 hours ago
$223
Roundtrip
found 18 hours ago
Select Delta flight, departing Sat, May 31 from Dallas to St. Louis, returning Wed, Jun 11, priced at $223 found 18 hours ago
Flights from Dallas (DAL) to St. Louis (STL)
Origin airport
Love Field
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Delta, Southwest Airlines
Roundtrip price
$143
Distance
545 mi

Dallas to St. Louis Flights

The cheapest times to fly from Dallas to St. Louis

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 Dallas to St. Louis are during the month of June. You can find some of the cheapest flights from Dallas to St. Louis with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Dallas to St. Louis: 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 Dallas to St. Louis

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 Dallas to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $77 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 Dallas to St. Louis 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 Dallas to St. Louis 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 Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL) cost?
You’ll find cheap return tickets from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL) starting at $202. Book a seat and take off on your trip. 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 DAL on May 13 2025 and touching down at STL. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from DAL to STL?
The cheapest flights from DAL to STL 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 Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL)?
Jump on a direct flight with Southwest Airlines and journey straight from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL).
What is the cheapest airline that flies from DAL to STL?
With fares starting at $128 for a one-way journey from DAL to STL, Southwest Airlines is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DAL on June 4 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL)?
Each day on average, 5 nonstop flights take off from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL). Choose the departure date that best fits your schedule.
What are the most popular departure times for flights from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL)?
Flights between DAL and STL tend to be busiest at 6 AM. For a quieter trip and potentially cheaper prices, look for a departure outside the usual busy windows.
What day of the week has the most flights from DAL to STL?
If you jet off on a Friday, you’ll get the greatest range of choices for flights from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL).
What is the earliest flight from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL)?
Love Field Airport (DAL)’s earliest flight to Lambert-St. Louis Intl. Airport (STL) takes off at approximately 6:00AM UTC-6. With a total travel time of 1h 40m, you’ll touch down at around 7:40AM UTC-6.
How long does it take to fly from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL)?
Flights from DAL to STL have an average travel time of 1 hour and 39 minutes. The total distance between the two is 550 mi.
What airline has the least delays from DAL to STL?
With 83% of journeys typically landing on time, Southwest Airlines has the best on-time performance for nonstop flights from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL). To check your flight status and get notifications about any changes, use the Expedia App.
What is the best time to fly from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL)?
Choose a flight from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 St. Louis from Love Field Airport (DAL)?
If you’re taking a direct flight from Love Field Airport (DAL) to St. Louis, Lambert-St. Louis Intl. Airport (STL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until just before your departure to book a flight from DAL to STL often results in higher prices. Although you may find some last-minute discounts, they’re not always guaranteed. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book a DAL to STL flight and hotel package?
Booking a DAL to STL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of stays and then add activities, car rentals and flights 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 Love Field Airport (DAL) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you can reschedule or cancel your DAL to STL flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline’s policies and fees on flight changes, or if you need more information, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.