Cheap flights from St. Louis to Dallas from $61
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Dallas departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from St. Louis to Dallas/Fort Worth Airport
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Spirit Airlines flights from St. Louis to Dallas/Fort Worth Airport
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How to get the cheapest flight ticket from St. Louis to Dallas/Fort Worth Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Dallas/Fort Worth Airport?
The cheapest month to fly to Dallas/Fort Worth Airport from St. Louis is in September. Flight prices, which tend to average around $207, are often lower during this time because this is during the off-season. If you’re not able to fly to Dallas/Fort Worth Airport in September, then July is your next best option. Flight prices from St. Louis to Dallas/Fort Worth Airport during July average around $214.
What is the cheapest day to depart on your flight to Dallas/Fort Worth Airport?
On average, the least expensive day to fly to Dallas/Fort Worth Airport from St. Louis is on a Friday. momondo users have found tickets for Friday departures for as low as $435. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Dallas/Fort Worth Airport for around $624.
What is the cheapest time of day to depart on your flight to Dallas/Fort Worth Airport?
Flying to Dallas/Fort Worth Airport from St. Louis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $366 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $503 on average. Flights to Dallas/Fort Worth Airport from St. Louis in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Lambert-St Louis to Dallas/Fort Worth flight route?
Fly from Lambert-St Louis to Dallas/Fort Worth for the best Lambert-St Louis - Dallas/Fort Worth flight prices
How far in advance should I book a flight to Dallas/Fort Worth Airport?
You are more likely to see cheaper flights to Dallas/Fort Worth Airport from St. Louis when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Dallas/Fort Worth Airport for around $276 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas/Fort Worth Airport from St. Louis for as low as $220 on momondo.
What cabin class options are available on Lambert-St Louis to Dallas/Fort Worth flights?
There are 4 cabin classes available to choose from on Lambert-St Louis to Dallas/Fort Worth flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on St. Louis to Dallas/Fort Worth Airport flights?
You could potentially save up to 1% on your flight if you consider stops on a St. Louis to Dallas/Fort Worth Airport flight.
How have St. Louis to Dallas/Fort Worth Airport flight prices changed over time?
As of June 2025, prices for St. Louis to Dallas/Fort Worth Airport flights are approximately 18% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Lambert-St Louis to Dallas/Fort Worth?
Spirit Airlines, American Airlines, and Frontier are the most popular carriers operating from Lambert-St Louis to Dallas/Fort Worth
What airlines fly to Dallas/Fort Worth Airport?
American Airlines, Southwest and Frontier are the top three most popular airlines that fly to Dallas/Fort Worth Airport from St. Louis according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Dallas/Fort Worth Airport. Keep in mind that there are 3 different airlines that fly to Dallas/Fort Worth Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to Dallas/Fort Worth Airport on average per day?
As of June 2025, there are 28 flights per day flying from St. Louis to Dallas/Fort Worth Airport. The most common time of day flights depart is 12:00PM, with 46% of flights taking off in the afternoon.
How many flights depart from St. Louis to Dallas/Fort Worth Airport on average per week?
196 flights are operational weekly from St. Louis to Dallas/Fort Worth Airport as of June 2025. The most popular departure day for this route is Thu, with 18% of flights per week taking off on this day.
When to book flights from St. Louis to Dallas/Fort Worth Airport
Cheap St. Louis to Dallas/Fort Worth Airport (STL to DFW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Dallas/Fort Worth Airport
How far is Lambert-St Louis to Dallas/Fort Worth by plane?
The distance between Lambert-St Louis and Dallas/Fort Worth is about 550.5 mi. 1h 48m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Dallas/Fort Worth Airport?
Prices for flights from Lambert-St Louis Airport to Dallas/Fort Worth Airport were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Dallas/Fort Worth Airport?
As of June 2025, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Dallas/Fort Worth Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Dallas/Fort Worth Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Dallas/Fort Worth Airport.
What documentation or ID do you need to fly to Dallas/Fort Worth Airport?
The necessary travel and health documents for your Dallas/Fort Worth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Dallas/Fort Worth Airport?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Dallas/Fort Worth Airport is Boeing 737 MAX 8, representing 15.34% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 14.45%, Boeing 737-700 Passenger/BBJ1 (winglets) at 14.10%, and Airbus A319 at 12.97%.
What is the most popular airline from St. Louis to Dallas/Fort Worth Airport?
Based on momondo bookings for flights between St. Louis and Dallas/Fort Worth Airport, the leading airline is American Airlines, making up 45% of the total bookings. Other popular airlines include Southwest with 29% and Frontier with 26%.
Best airlines flying from St. Louis to Dallas/Fort Worth Airport
Compare and see reviews for airlines that fly from St. Louis to Dallas/Fort Worth Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $48 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $180 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $197 | Free Cancellation | Rating 8.0 4,287 reviews |
American Airlines Flights From St. Louis to Dallas/Fort Worth Airport
The lowest priced American Airlines flight from St. Louis to Dallas/Fort Worth Airport from the last 72 hours was $180. Generally, American Airlines has 35 flights on this route every week with an average price of $305. American Airlines is rated 7.2/10 by our users.
Frontier Flights From St. Louis to Dallas/Fort Worth Airport
Frontier (5.9/10 from 3,295 reviews) operates around 1 flight from St. Louis to Dallas/Fort Worth Airport in any given week. The average Frontier airfare for this route is around $132, with deals from around $48 rare but found on momondo. Referenced prices are for round-trip St. Louis to Dallas/Fort Worth Airport flight searches in the last 72 hours.
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Why should I use momondo to find a flight deal from St. Louis to Dallas?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Dallas for you.
Can I find flights from St. Louis to Dallas with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Dallas flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Dallas?
momondo provides multiple filters to help you find the best flight to Dallas from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from St. Louis to Dallas right now. Can momondo alert me if prices change?
Yes. momondo can track prices for St. Louis to Dallas flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.