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

Popular airlines from St. Louis, MO (SUS-Spirit of St. Louis) to Dallas-Fort Worth Intl. Airport (DFW)

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Frequently asked questions

How much does a flight from Spirit of St. Louis Airport (SUS) to Dallas-Fort Worth Intl. Airport (DFW) cost?
Snag a cheap one-way flight or cheap return flight from Spirit of St. Louis Airport (SUS) 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 deals on this route.
What is the cheapest month to fly from Spirit of St. Louis Airport (SUS) to Dallas-Fort Worth Intl. Airport (DFW)?
Traveling in is a good way to save, as it's the cheapest month for flights between SUS and DFW. You'll typically find the lowest fares during off-peak months.
Which airlines fly direct from Spirit of St. Louis Airport (SUS) to Dallas-Fort Worth Intl. Airport (DFW)?
There's no direct route from St. Louis, MO (SUS-Spirit of St. Louis) to Dallas-Fort Worth Intl. Airport (DFW). However, you can find other airports that have nonstop flights. Start your journey at Lambert-St. Louis Intl. Airport (STL) and fly straight to Dallas without layovers.
What is the cheapest airline that flies from Spirit of St. Louis Airport (SUS) to Dallas-Fort Worth Intl. Airport (DFW)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SUS to DFW flight.
How many flights per day from Spirit of St. Louis Airport (SUS) to Dallas-Fort Worth Intl. Airport (DFW)?
There aren't any daily nonstop flights from Spirit of St. Louis Airport (SUS) to Dallas-Fort Worth Intl. Airport (DFW). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from SUS to DFW?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Spirit of St. Louis Airport (SUS) to Dallas-Fort Worth Intl. Airport (DFW)?
To avoid possible delays on the Spirit of St. Louis Airport (SUS) to Dallas-Fort Worth Intl. Airport (DFW) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being 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.
Is it cheaper to buy a plane ticket from Spirit of St. Louis Airport (SUS) to Dallas-Fort Worth Intl. Airport (DFW) last-minute?
Last-minute bookings from SUS to DFW are typically more expensive. To lock in the lowest prices, start searching for flights well in advance. That said, if your travel plans are flexible, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a SUS to DFW flight and hotel package?
Compared with arranging flights and hotels separately, booking a SUS to DFW flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place will take the stress out of travel planning. Just pick your flights and choose from our wide range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Spirit of St. Louis Airport (SUS) to Dallas-Fort Worth Intl. Airport (DFW)?
In most instances, you're able to reschedule or cancel your SUS to DFW flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further information, visit our Customer Service portal.

Travel information

Origin airport
Spirit of St. Louis
Destination airport
Dallas-Fort Worth Intl.
Distance
535 mi

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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 . 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 2026. You can also book with separate airlines for your outbound and return journeys, from 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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