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

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Dallas to Lambert-St Louis are usually found in July or August, booked 76 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from Dallas to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) to St. Louis (STL). 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 20, 2025.

Round-trip from

$197
(Delta)

One-way from

$79
(Mytrip)

Popular in

February

Cheapest in

July

Average price

$350
From Dallas to Lambert-St Louis
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One-way flight from Dallas to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
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Find flight deals from Dallas to St. Louis

Cheapest flights from Dallas to St. Louis
Explore the most affordable flight options available from Dallas to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/255:50 pmDFW - STL
Nonstop1h 40mAmerican Airlines
Fri 3/287:02 amSTL - DFW
Nonstop2h 02mAmerican Airlines
Deal found 2/20$197
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/253:00 pmDAL - STL
Nonstop1h 40mSouthwest
Fri 3/286:40 pmSTL - DAL
Nonstop1h 50mSouthwest
Deal found 2/20$197
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/152:34 pmDFW - STL
1 stop5h 30mUnited Airlines
Thu 4/176:15 amSTL - DFW
1 stop4h 37mUnited Airlines
Deal found 2/20$198
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.
Sat 3/2210:31 amDFW - STL
2 stops25h 14mMultiple Airlines
Tue 3/256:47 pmSTL - DFW
1 stop14h 45mMultiple Airlines
Deal found 2/20$207
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.
Tue 4/157:00 amDFW - STL
2 stops10h 16mSpirit Airlines
Thu 4/176:11 pmSTL - DFW
2 stops28h 36mSpirit Airlines
Deal found 2/20$208
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:40 amDFW - STL
Nonstop1h 45mFrontier
Sun 6/19:16 amSTL - DFW
Nonstop1h 47mFrontier
Deal found 2/20$261
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/197:00 amDFW - STL
1 stop7h 35mDelta
Tue 7/227:20 amSTL - DFW
1 stop4h 55mDelta
Deal found 2/20$285
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:00 amDAL - STL
1 stop6h 00mDelta
Tue 7/223:30 pmSTL - DAL
1 stop5h 04mDelta
Deal found 2/20$285
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/207:38 pmDAL - STL
1 stop28h 21mAlaska Airlines
Tue 3/256:44 amSTL - DAL
1 stop11h 54mAlaska Airlines
Deal found 2/20$528

Find flights from Dallas to St. Louis within your budget

Customize your flight search to find flights from Dallas to St. Louis 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 20, 2025.

Fly from

Dallas

Fly to

St. Louis

Route

Depart

Return

Price

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 3/25

5:50 pm-7:30 pm

Nonstop1h 40m

Lambert-St Louis

Fri 3/28

7:02 am-9:04 am

Nonstop2h 02m

$197

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Tue 3/25

3:00 pm-4:40 pm

Nonstop1h 40m

Lambert-St Louis

Fri 3/28

6:40 pm-8:30 pm

Nonstop1h 50m

$197

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 3/25

9:56 am-3:16 pm

1 stop5h 20m

Lambert-St Louis

Mon 3/31

5:35 pm-10:50 pm

1 stop5h 15m

$198

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 3/22

10:31 am-11:45 am

2 stops25h 14m

Lambert-St Louis

Tue 3/25

6:47 pm-9:32 am

1 stop14h 45m

$207

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 4/15

7:00 am-5:16 pm

2 stops10h 16m

Lambert-St Louis

Thu 4/17

6:11 pm-10:47 pm

2 stops28h 36m

$208

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 3/19

7:00 am-2:35 pm

1 stop7h 35m

Lambert-St Louis

Tue 7/22

7:20 am-12:15 pm

1 stop4h 55m

$285

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Wed 3/19

6:00 am-12:00 pm

1 stop6h 00m

Lambert-St Louis

Tue 7/22

3:30 pm-8:34 pm

1 stop5h 04m

$285

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 3/19

9:59 pm-7:58 am

1 stop9h 59m

Lambert-St Louis

Thu 7/17

9:16 am-11:03 am

Nonstop1h 47m

$309

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Thu 3/20

7:38 pm-11:59 pm

1 stop28h 21m

Lambert-St Louis

Tue 3/25

6:44 am-6:38 pm

1 stop11h 54m

$528

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 4/15

7:00 am-5:16 pm

2 stops10h 16m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 17 results
1
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Best time to book a flight from Dallas to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Dallas 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 Dallas to St. Louis

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

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

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

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Dallas to St. Louis (average of $311). Flying from Dallas to St. Louis in March is currently the most expensive (average of $356). 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 DFW to STL?

Find hourly flight availability from Dallas to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Dallas to St. Louis in the morning. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the afternoon.

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

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

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

Weekly flight availability from Dallas to St. Louis

Explore weekly flight availability from Dallas to St. Louis. 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 20, 2025.

The most flights from A78 to STL are scheduled on a Thursday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated February 20, 2025.
To help decide which airline to fly from Dallas to St. Louis, 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
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Dallas to St. Louis. 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 into for flights to St. Louis from Dallas?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Dallas. On average, Lambert-St Louis has 23 inbound flights from Dallas per day from 4 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    Flying on Delta is currently your cheapest option to St. Louis, 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 $201, respectively. Delta is priced at 29% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $79. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Dallas to St. Louis for a low price.

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

    The top 3 most reliable airlines when flying from Dallas to St. Louis are PSA Airlines (100%), Envoy Air (88%) and SkyWest Airlines (80%).

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

    The cheapest flight price from Dallas to St. Louis is $123. On average you can expect to pay $272. The most popular route, (Dallas/Fort Worth - Lambert-St Louis), can usually be booked for $177.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas to St. Louis 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 Dallas to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Dallas to St. Louis (average of $311). Flying from Dallas to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Dallas?

Book flights to Dallas if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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Alternative routes for Dallas to St. Louis

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Top 4 airlines flying from Dallas to St. Louis

Discover the top 4 airlines that operate flights from Dallas to St. Louis. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$46Average$136FlexibilityNo cancel feeOn-time62%
DeltaCheapest$176Average$483FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$181Average$449FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$308FlexibilityNo cancel feeOn-time63%
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