£251 Cheap Flights from St. Louis (STL) to Dallas (DFW)

View £251 flight on Tue, 9 Jun 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £251 for one-way flights and £622 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 20 May - Wed, 27 May
STL
St. Louis
DFW
Dallas
£622 Return, found 6 days ago
£622
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 20 May from St. Louis to Dallas, returning Wed, 27 May, priced at £622 found 6 days ago
Alaska Airlines
Tue, 9 Jun - Wed, 10 Jun
STL
St. Louis
DFW
Dallas
£626 Return, found 3 days ago
£626
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 9 Jun from St. Louis to Dallas, returning Wed, 10 Jun, priced at £626 found 3 days ago
Alaska Airlines
Tue, 9 Jun - Wed, 10 Jun
STL
St. Louis
DFW
Dallas
£647 Return, found 3 days ago
£647
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 9 Jun from St. Louis to Dallas, returning Wed, 10 Jun, priced at £647 found 3 days ago
Alaska Airlines
Tue, 19 May - Tue, 26 May
STL
St. Louis
DFW
Dallas
£662 Return, found 6 days ago
£662
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 19 May from St. Louis to Dallas, returning Tue, 26 May, priced at £662 found 6 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
STL
St. Louis
DFW
Dallas
£665 Return, found 6 days ago
£665
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 20 May from St. Louis to Dallas, returning Wed, 27 May, priced at £665 found 6 days ago
Alaska Airlines
Mon, 8 Jun - Mon, 15 Jun
STL
St. Louis
DFW
Dallas
£678 Return, found 6 days ago
£678
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 8 Jun from St. Louis to Dallas, returning Mon, 15 Jun, priced at £678 found 6 days ago
Alaska Airlines
Fri, 22 May - Tue, 26 May
STL
St. Louis
DFW
Dallas
£747 Return, found 2 days ago
£747
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 22 May from St. Louis to Dallas, returning Tue, 26 May, priced at £747 found 2 days ago
Alaska Airlines
Sat, 6 Jun - Sun, 7 Jun
STL
St. Louis
DFW
Dallas
£755 Return, found 2 days ago
£755
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 6 Jun from St. Louis to Dallas, returning Sun, 7 Jun, priced at £755 found 2 days ago
Alaska Airlines
Fri, 22 May - Tue, 26 May
STL
St. Louis
DFW
Dallas
£764 Return, found 2 days ago
£764
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 22 May from St. Louis to Dallas, returning Tue, 26 May, priced at £764 found 2 days ago
Alaska Airlines
Fri, 19 Jun - Mon, 22 Jun
STL
St. Louis
DFW
Dallas
£774 Return, found 1 day ago
£774
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 19 Jun from St. Louis to Dallas, returning Mon, 22 Jun, priced at £774 found 1 day ago

Alternative airports near Dallas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dallas-Fort Worth Intl. DFW. Cheapest option available. Average driving time to city centre is 21 minutes. Flights from £723
DFW
Dallas-Fort Worth Intl.
Cheapest
Average driving time to city centre21 min
Flights from £723

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) cost?
One-way flights typically cost between £181 and £846 and return flights often range between £181 and £846. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
Enter STL to DFW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
The best airline to fly with from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) will differ from traveller to traveller. If you like to fly early, AA offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. AA offers the most daily flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
There are approximately 9 nonstop flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.). For even more choice, look at flights that include layovers, as there are around 68 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and George Bush Intercontinental (IAH).
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
The earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in January, November, and December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
You'll typically find the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) on a Thursday, with around 78 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include WN, UA, and AA. Flight schedules are consistent throughout the week, with only a slight variation in the number of flights.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
The most popular departure times for flights from Lambert-St. Louis Intl. (STL) to Dallas-Fort Worth Intl. (DFW) are in the early morning, from 6am to 9am. Approximately 24% of passengers prefer this time window. Many major carriers, including Southwest Airlines, United Airlines and Delta Air Lines, offer flights during this window. These times work well because you can get an early start to your day in Dallas, whether for business or leisure.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
A nonstop flight from STL to DFW typically takes around 2 hours, covering approximately 550 miles. Connecting flights on this route usually add 3 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
Select the "Business class" and "First class" filters when looking for STL to DFW flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Dallas from Lambert-St. Louis Intl. (STL)?
From Lambert-St. Louis Intl. (STL), you can fly into Love Field (DAL) and Dallas-Fort Worth Intl. (DFW) in Dallas. Some flights may connect through major hubs like Midway Intl. (MDW), Denver Intl. (DEN), Nashville Intl. (BNA) before reaching Dallas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Dallas-Fort Worth Intl.
Return price
£622
Distance
880 km
Average flight time
2 hours 2 mins

Book with confidence

Compare flights from St. Louis to Dallas easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Dallas. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Dallas-Fort Worth Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to Dallas-Fort Worth Intl. (DFW)

The easiest way to view the best deals on flights from St. Louis to Dallas today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl. start at just £622 and range up to £774.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near St. Louis and Dallas
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your St. Louis to Dallas flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from St. Louis to Dallas easily and book with confidence

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