A city skyline with a prominent arch bridge at sunset.

$49 Cheap Flights from Dallas (DFW) to St. Louis (STL)

View $49 flight on Sun, Sep 20, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $49 for one-way flights and $98 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, Oct 11 - Sun, Oct 18
DFW
Dallas
STL
St. Louis
$98 Roundtrip, found 7 hours ago
$98
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sun, Oct 11 from Dallas to St. Louis, returning Sun, Oct 18, priced at $98 found 7 hours ago
Frontier Airlines
Thu, Sep 17 - Sun, Sep 20
DFW
Dallas
STL
St. Louis
$103 Roundtrip, just found
$103
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 17 from Dallas to St. Louis, returning Sun, Sep 20, priced at $103 just found
Frontier Airlines
Thu, Oct 15 - Thu, Oct 22
DFW
Dallas
STL
St. Louis
$118 Roundtrip, found 10 hours ago
$118
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Oct 15 from Dallas to St. Louis, returning Thu, Oct 22, priced at $118 found 10 hours ago
Frontier Airlines
Thu, Sep 24 - Sun, Sep 27
DFW
Dallas
STL
St. Louis
$121 Roundtrip, just found
$121
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 24 from Dallas to St. Louis, returning Sun, Sep 27, priced at $121 just found
Frontier Airlines
Thu, Oct 22 - Mon, Oct 26
DFW
Dallas
STL
St. Louis
$126 Roundtrip, found 19 hours ago
$126
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Thu, Oct 22 from Dallas to St. Louis, returning Mon, Oct 26, priced at $126 found 19 hours ago
Frontier Airlines
Fri, Oct 30 - Sun, Nov 1
DFW
Dallas
STL
St. Louis
$131 Roundtrip, found 17 hours ago
$131
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Fri, Oct 30 from Dallas to St. Louis, returning Sun, Nov 1, priced at $131 found 17 hours ago
Frontier Airlines
Mon, Nov 9 - Mon, Nov 16
DFW
Dallas
STL
St. Louis
$134 Roundtrip, found 21 hours ago
$134
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Mon, Nov 9 from Dallas to St. Louis, returning Mon, Nov 16, priced at $134 found 21 hours ago
Frontier Airlines
Fri, Oct 23 - Mon, Oct 26
DFW
Dallas
STL
St. Louis
$135 Roundtrip, found 2 days ago
$135
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Dallas to St. Louis, returning Mon, Oct 26, priced at $135 found 2 days ago
American Airlines
Fri, Sep 11 - Wed, Sep 16
DFW
Dallas
STL
St. Louis
$236 Roundtrip, found 16 hours ago
$236
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Fri, Sep 11 from Dallas to St. Louis, returning Wed, Sep 16, priced at $236 found 16 hours ago
Alaska Airlines
Fri, Oct 30 - Mon, Nov 2
DFW
Dallas
STL
St. Louis
$759 Roundtrip, found 12 hours ago
$759
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Fri, Oct 30 from Dallas to St. Louis, returning Mon, Nov 2, priced at $759 found 12 hours ago

Alternative airports near St. Louis

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

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $249
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $249

What you need to know for your flight from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl.

Dallas (DFW) to St. Louis (STL) at a glance

Travel from Dallas (DFW) to St. Louis (STL) with a range of airlines offering various options for this short domestic journey. Whether you prefer full-service airlines or are on the lookout for cheap flights from Dallas, you can easily compare itineraries to find the best match for your budget and schedule. Prepare to explore the iconic sights and vibrant neighborhoods of St. Louis as you check out the key details for flights from Dallas-Fort Worth International Airport to Lambert-St. Louis International Airport.

  • Fastest flight duration: around 1h 45m non-stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 20+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $55–$375, depending on seasonality and how far ahead you book

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

According to recent travel bookings, the most popular airlines flying from Dallas to St. Louis offer both non-stop and one-stop options. Common layover points include Denver International Airport (DEN), with an average layover of about 4 hours and 30 minutes, Hartsfield-Jackson Atlanta International Airport (ATL), which typically has a layover of around 3 hours and 15 minutes, and Orlando International Airport (MCO) with a layover of approximately 5 hours and 15 minutes. This variety allows travelers to consider different price points, total travel times, and cabin classes for their ideal itinerary.

  • American Airlines: As a comprehensive airline, American Airlines provides both non-stop and one-stop options, with one-way fares generally falling between $80 and $435. This carrier represents about 87% of all departures on this route, with a standard non-stop flight duration of 1 hour and 45 minutes.
  • Frontier Airlines: Known for its budget-friendly fares, Frontier Airlines offers non-stop and one-stop services, with one-way prices typically ranging from $55 to $195. It covers roughly 11% of departures on this route, with a usual non-stop travel time of 1 hour and 45 minutes.
  • Delta: A full-service airline, Delta provides one-stop services with one-way fares typically between $90 and $450. It accounts for approximately 1% of departures on this route, featuring an in-flight duration of 4 hours and 30 minutes and a total travel time of about 7 hours and 30 minutes, including layovers.
  • United: Another full-service option, United offers one-stop flights with one-way fares that usually range from $145 to $415. Holding about 1% of the departures for this route, it has an in-flight time of 4 hours and 30 minutes, resulting in a total journey time of approximately 7 hours and 30 minutes, including layover periods.

Travelers flying from Dallas to St. Louis can opt for an upgrade, as American Airlines provides first-class service on this route.

Best time to fly from Dallas (DFW) to St. Louis (STL)

The most popular months for travelers flying from Dallas to St. Louis are March, October, and November, when peak temperatures in St. Louis reach up to 58.6°F in October. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 70.9°F. For better deals, October usually offers the lowest average one-way fare around $151. Flight availability peaks in July and November, with approximately 25 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 18 flights per week.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $151, roughly 21% cheaper than the yearly average.
  • More budget-friendly months to fly: November and September typically offer average one-way fares of around $156.
  • Most flight options: July and November have the highest number of flights from Dallas to St. Louis, with approximately 25 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January31.6°F (-0.2°C)Average18$232
February34.9°F (1.6°C)Average20$232
March46.4°F (8.0°C)Slightly High21$228
April56.1°F (13.4°C)Average20$211
May66.6°F (19.2°C)Slightly Low21$221
June76.1°F (24.5°C)Average23$186
July78.6°F (25.9°C)Average25$173
August77.0°F (25.0°C)Average22$175
September70.9°F (21.6°C)Slightly Low21$160
October58.6°F (14.8°C)Slightly High24$151
November46.2°F (7.9°C)Slightly High25$153
December37.8°F (3.2°C)Slightly Low21$177

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Dallas (DFW) to St. Louis (STL)

  • Dallas to St. Louis (DAL-STL): Located approximately 12 miles from Dallas-Fort Worth International Airport (DFW), Love Field Airport (DAL) serves as a key hub for this route. One-way economy ticket prices generally fall between $70 and $420, influenced by the time of year and how far in advance you book. Both non-stop and one-stop flights are commonly available. Major airlines offering service on this route include the budget-friendly Southwest Airlines and Delta.

How to find the best prices for flights from Dallas (DFW) to St. Louis (STL)

Getting some of the best deals on flights from Dallas to St. Louis is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning flights (5am-12pm) often offer lower prices, while Afternoon flights (12pm-6pm) are more popular. Additionally, flying on Sunday generally provides cheaper fares, although Thursday is the most popular day for travel.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Lambert-St. Louis International Airport from Dallas-Fort Worth International Airport

St. Louis welcomes travelers from Dallas with a range of transport options based on price, convenience, and proximity. Here's how to reach St. Louis efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in St. Louis, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Lambert-St. Louis International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Lambert-St. Louis International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Lambert-St. Louis International Airport, Lambert Main Terminal Station, a metro station, is conveniently located just 0.1 miles away on foot, providing easy access to public transportation for travelers.

Frequently asked questions

How much does a flight from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from $49 and cheap return flights from $98 Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) with Expedia. One-way flights generally range between $117 and $926, and roundtrip flights usually range from $274 to $1246. 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 Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The cheapest month to fly from DFW to STL is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
2 airlines operate nonstop service from DFW to STL:

  • American Airlines operates around 48 direct flights from DFW to STL every week
  • Frontier Airlines operates around 7 direct flights from DFW to STL every week

What is the cheapest airline that flies from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Frontier Airlines is one of the cheapest airlines offering nonstop flights from Dallas (DFW) to St. Louis (STL), with round-trip tickets starting from around $61. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis 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 Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best airline to fly with from Dallas, TX (DFW) to St. Louis, MO (STL) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. United offers the most daily flights from DFW to STL, 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 Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis 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 Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
On average, there are around 7 nonstop flights per day from Dallas-Fort Worth Intl. (DFW) to Lambert-St. Louis Intl. (STL). For more options, look at flights that include layovers.
What is the earliest flight from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) typically departs at 5:00 AM, operated by American Airlines and Southern Airways Express. This service is seasonal and usually available in June and July. An early departure can help you make the most of your day in St. Louis. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Dallas (DFW) to St. Louis (STL) are in the early morning, from 6am to 9am. This accounts for around 22% of total traffic. Many major carriers, including Delta Airlines and American Airlines, operate flights during this time. Many travelers prefer this timing as it allows them to arrive in St. Louis with a full day ahead.
How long does it take to fly from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Flying nonstop from DFW to STL takes around 1 hour 50 minutes, with the route covering approximately 550 miles. Flights with a layover typically take 3 hours 10 minutes longer than direct options. 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 Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
First class seats are offered on the DFW to STL route. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines
  • Spirit Airlines

How much is a business class flight from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A direct, return business class ticket from Dallas, TX (DFW) to St. Louis, MO (STL) typically costs between $894 - $1,330 per adult. A non-stop, one-way business class flight is usually around $387 - $612. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis 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 St. Louis from Dallas-Fort Worth Intl. (DFW)?
From Dallas-Fort Worth Intl. (DFW), you can fly into Lambert-St. Louis Intl. (STL) to reach St. Louis. Some flights may connect through major hubs like George Bush Intercontinental (IAH), William P. Hobby (HOU), San Antonio Intl. (SAT) before reaching St. Louis. 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 Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis 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 Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) St Louis Vacation Packages 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 Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Dallas, TX (DFW-Dallas-Fort Worth Intl.) to St. Louis, MO (STL-Lambert-St. Louis 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
Dallas-Fort Worth Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$98
Distance
550 mi
Average flight time
1 hour 50 mins

Book with confidence

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 October. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $49 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.

 

Dallas to St. Louis Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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