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$79+ Cheap flights from St. Louis (STL) to Dallas

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DFW
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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The best prices from Lambert-St Louis to Dallas are usually found in September or July, booked 67 days in advance, depart on a Friday or Thursday and return on a Monday

Cheap flight deals from St. Louis to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Dallas (A78). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 22, 2025.

Round-trip from

$197
(Delta)

One-way from

$79
(Mytrip)

Popular in

February

Cheapest in

September

Average price

$353
From Lambert-St Louis to Dallas
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One-way flight from Lambert-St Louis to Dallas
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from St. Louis to Dallas

Cheapest flights from St. Louis to Dallas
Explore the most affordable flight options available from St. Louis to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:13 pmSTL - DFW
1 stop4h 44mDelta
Wed 4/161:48 pmDFW - STL
1 stop6h 51mDelta
Deal found 2/21$197
This Southwest deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/79:40 pmSTL - DAL
Nonstop1h 50mSouthwest
Mon 3/1010:55 pmDAL - STL
Nonstop1h 40mSouthwest
Deal found 2/22$197
This American Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/85:37 pmSTL - DFW
Nonstop2h 11mAmerican Airlines
Tue 3/118:54 amDFW - STL
Nonstop1h 44mAmerican Airlines
Deal found 2/21$202
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/81:05 pmSTL - DAL
1 stop4h 46mDelta
Mon 4/146:38 pmDAL - STL
1 stop4h 58mDelta
Deal found 2/21$217
This Mytrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:47 pmSTL - DFW
1 stop14h 45mSpirit Airlines
Mon 4/77:00 amDFW - STL
2 stops34h 52mSpirit Airlines
Deal found 2/20$221
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/244:33 pmSTL - DFW
1 stop5h 13mUnited Airlines
Wed 3/2610:51 amDFW - STL
1 stop4h 40mUnited Airlines
Deal found 2/21$240
This Mytrip deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1612:15 pmSTL - DFW
2 stops26h 18mMultiple Airlines
Sat 4/196:10 amDFW - STL
2 stops29h 35mMultiple Airlines
Deal found 2/21$250
This CheapOair deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:58 pmSTL - DFW
1 stop20h 21mFrontier
Thu 5/19:47 pmDFW - STL
1 stop11h 22mFrontier
Deal found 2/21$260
This Alaska Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/286:44 amSTL - DAL
1 stop11h 54mAlaska Airlines
Mon 3/317:38 pmDAL - STL
1 stop18h 37mAlaska Airlines
Deal found 2/21$448

Find flights from St. Louis to Dallas within your budget

Customize your flight search to find flights from St. Louis to Dallas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.

Fly from

St. Louis

Fly to

Dallas

Route

Depart

Return

Price

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Mon 4/7

7:13 pm-11:57 pm

1 stop4h 44m

Dallas/Fort Worth

Wed 4/16

1:48 pm-8:39 pm

1 stop6h 51m

$197

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Fri 3/7

9:40 pm-11:30 pm

Nonstop1h 50m

Dallas Love Field

Mon 3/10

10:55 pm-12:35 am

Nonstop1h 40m

$197

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 3/8

5:37 pm-7:48 pm

Nonstop2h 11m

Dallas/Fort Worth

Tue 3/11

8:54 am-10:38 am

Nonstop1h 44m

$202

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Tue 4/8

1:05 pm-5:51 pm

1 stop4h 46m

Dallas Love Field

Mon 4/14

6:38 pm-11:36 pm

1 stop4h 58m

$217

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 4/3

6:47 pm-9:32 am

1 stop14h 45m

Dallas/Fort Worth

Mon 4/7

7:00 am-5:52 pm

2 stops34h 52m

$221

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Mon 3/24

4:33 pm-9:46 pm

1 stop5h 13m

Dallas/Fort Worth

Wed 3/26

10:51 am-3:31 pm

1 stop4h 40m

$240

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 4/16

12:15 pm-2:33 pm

2 stops26h 18m

Dallas/Fort Worth

Sat 4/19

6:10 am-11:45 am

2 stops29h 35m

$250

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Wed 4/30

6:58 pm-3:19 pm

1 stop20h 21m

Dallas/Fort Worth

Thu 5/1

9:47 pm-9:09 am

1 stop11h 22m

$260

St. LouisDallas

STL - DAL

STLDAL

Lambert-St Louis

Fri 3/28

6:44 am-6:38 pm

1 stop11h 54m

Dallas Love Field

Mon 3/31

7:38 pm-2:15 pm

1 stop18h 37m

$448

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 4/1

6:47 pm-10:54 pm

2 stops28h 07m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 18 results
1
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Best time to book a flight from St. Louis to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Dallas

Get recent, data-driven insights about flights from St. Louis to Dallas including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Dallas?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Dallas. Price data was last updated on February 14, 2025.

The price you pay for your flight from St. Louis to Dallas may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Dallas?

Currently, August is the cheapest month in which you can book a flight from St. Louis to Dallas (average of $216). Flying from St. Louis to Dallas in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to DFW?

Find hourly flight availability from St. Louis to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

When flying from St. Louis to Dallas, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 9% versus a flight in the afternoon.

What is the cheapest day to fly from St. Louis to Dallas?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Dallas. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their St. Louis to Dallas flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. Louis to Dallas

Explore weekly flight availability from St. Louis to Dallas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 22, 2025.

The most flights from STL to A78 are scheduled on a Thursday (31 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 on average).

Rainfall in Dallas by month

Plan your trip to Dallas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dallas ranges from 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Dallas when rainfall is around 1.9 in.

Temperature in Dallas by month

Plan your trip to Dallas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dallas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dallas. Reviews last updated February 22, 2025.
To help decide which airline to fly from St. Louis to Dallas, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Alaska Airlines
8.0
Very good
9,702 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Dallas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Dallas?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Dallas. 5 airlines have flights from Lambert-St Louis to Dallas on a regular basis. Booking flights from Lambert-St Louis to Dallas should not be difficult; the airport handles an average of 27 outbound flights to Dallas per day.

  • What are the cheapest airlines flying from St. Louis to Dallas round-trip?

    Flying on Delta is currently your cheapest option to Dallas, with prices starting at $197. Additional round-trip tickets that might be worth considering are offered by Southwest and American Airlines, with the lowest prices starting at $197 and $202, respectively. You may be able to fly from St. Louis to Dallas for 28% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from St. Louis to Dallas one-way?

    The cheapest airlines for a one-way flight from St. Louis to Dallas are Spirit Airlines ($79), American Airlines ($89), and Southwest ($89).

  • What are the most reliable airlines from St. Louis to Dallas?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from St. Louis to Dallas on time: PSA Airlines (100%), SkyWest Airlines (80%), Frontier (80%).

  • What are the cheapest flights from St. Louis to Dallas?

    Looking at all options, your cheapest flight can be booked for $139. While the most popular route (Lambert-St Louis - Dallas/Fort Worth) can be booked for $177 on average our data indicates $1,102 when flying from St. Louis to Dallas.

  • Can I find deals for flights from St. Louis to Dallas that include hotel bookings?

    Yes. In addition to deals on St. Louis to Dallas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Dallas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Dallas.

  • Can I find deals for business class flights from St. Louis to Dallas?

    Yes. Cheapflights offers flight deals from St. Louis to Dallas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Dallas?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Dallas (average of $216). Flying from St. Louis to Dallas in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for St. Louis to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from St. Louis to Dallas

Discover the top 5 airlines that operate flights from St. Louis to Dallas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$131FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$180Average$354FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$310FlexibilityNo cancel feeOn-time63%
DeltaCheapest$208Average$328FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$270Average$372FlexibilityNo cancel feeOn-time69%
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