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$59+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
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 Wednesday or Monday 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 January 21, 2025.

Round-trip from

$177
(American Airlines)

One-way from

$59
(Trip.com)

Popular in

March

Cheapest in

July

Average price

$323
From Dallas to Lambert-St Louis
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One-way flight from Dallas to Lambert-St Louis
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Highest demand for flights based on searches. 12% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 21, 2025.

This American Airlines deal was found by Cheapflights users on 1/21. 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.
Thu 3/207:00 amDFW - STL
Nonstop1h 48mAmerican Airlines
Wed 3/265:37 pmSTL - DFW
Nonstop2h 01mAmerican Airlines
Deal found 1/21$177
This Southwest deal was found by Cheapflights users on 1/20. 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.
Thu 2/207:30 pmDAL - STL
Nonstop1h 40mSouthwest
Mon 2/245:55 amSTL - DAL
Nonstop1h 55mSouthwest
Deal found 1/20$177
This Frontier deal was found by Cheapflights users on 1/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2912:24 pmDFW - STL
1 stop11h 07mFrontier
Mon 2/38:31 pmSTL - DFW
1 stop8h 11mFrontier
Deal found 1/19$179
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/175:51 pmDFW - STL
1 stop20h 51mMultiple Airlines
Fri 2/2111:08 pmSTL - DFW
1 stop11h 39mMultiple Airlines
Deal found 1/20$184
This Delta deal was found by Cheapflights users on 1/21. 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.
Thu 3/205:30 amDFW - STL
1 stop6h 30mDelta
Tue 3/253:30 pmSTL - DFW
1 stop6h 42mDelta
Deal found 1/21$228
This Delta deal was found by Cheapflights users on 1/20. 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.
Tue 2/1812:35 pmDAL - STL
1 stop5h 26mDelta
Sat 2/224:40 pmSTL - DAL
1 stop5h 37mDelta
Deal found 1/20$235
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Thu 2/205:00 amDFW - STL
2 stops7h 12mUnited Airlines
Mon 2/244:30 pmSTL - DFW
1 stop4h 51mUnited Airlines
Deal found 1/21$247
This FlightHub deal was found by Cheapflights users on 1/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/79:23 pmDFW - STL
1 stop11h 41mSpirit Airlines
Sun 3/95:38 pmSTL - DFW
1 stop16h 17mSpirit Airlines
Deal found 1/19$298
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 2/217:29 pmDAL - STL
1 stop18h 56mAlaska Airlines
Sun 2/237:00 amSTL - DAL
1 stop11h 29mAlaska Airlines
Deal found 1/21$462

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 3/20

7:00 am-8:48 am

Nonstop1h 48m

Lambert-St Louis

Wed 3/26

5:37 pm-7:38 pm

Nonstop2h 01m

$177

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Thu 2/20

7:30 pm-9:10 pm

Nonstop1h 40m

Lambert-St Louis

Mon 2/24

5:55 am-7:50 am

Nonstop1h 55m

$177

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 2/17

5:51 pm-2:42 pm

1 stop20h 51m

Lambert-St Louis

Fri 2/21

11:08 pm-10:47 am

1 stop11h 39m

$184

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 2/20

9:54 pm-9:16 am

1 stop11h 22m

Lambert-St Louis

Mon 2/24

11:08 pm-10:47 am

1 stop11h 39m

$186

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 3/20

5:30 am-12:00 pm

1 stop6h 30m

Lambert-St Louis

Tue 3/25

3:30 pm-10:12 pm

1 stop6h 42m

$228

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Tue 2/18

12:35 pm-6:01 pm

1 stop5h 26m

Lambert-St Louis

Sat 2/22

4:40 pm-10:17 pm

1 stop5h 37m

$235

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 2/20

5:00 am-12:12 pm

2 stops7h 12m

Lambert-St Louis

Mon 2/24

4:30 pm-9:21 pm

1 stop4h 51m

$247

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 3/7

9:23 pm-9:04 am

1 stop11h 41m

Lambert-St Louis

Sun 3/9

5:38 pm-9:55 am

1 stop16h 17m

$298

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

Fri 2/21

7:29 pm-2:25 pm

1 stop18h 56m

Lambert-St Louis

Sun 2/23

7:00 am-6:29 pm

1 stop11h 29m

$462

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 2/10

9:59 pm-11:31 pm

1 stop25h 32m

$59

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 19 results
1
2

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 January 17, 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 January 21, 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 14% 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 January 21, 2025.

The most flights from A78 to STL are scheduled on a Monday (27 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 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 January 21, 2025.
To help decide which airline to fly from Dallas to St. Louis, see what other customers have to say about Alaska Airlines, Delta and American Airlines. 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
4,662 reviews

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,662 reviews

Entertainment

7.7

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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 25 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 American Airlines is currently your cheapest option to St. Louis, with prices starting at $177. Additional round-trip tickets that might be worth considering are offered by Southwest and Frontier, with the lowest prices starting at $177 and $186, respectively. American Airlines is priced at 37% 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 Frontier, with whom users have recently found tickets for as low as $59. However, be on the lookout for offers from Southwest and Spirit Airlines, 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%), Frontier (93%) and Envoy Air (86%).

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

    The cheapest flight price from Dallas to St. Louis is $135. On average you can expect to pay $279. The most popular route, (Dallas/Fort Worth - Lambert-St Louis), can usually be booked for $150.

  • 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

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

Discover the top 5 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$46Average$137FlexibilityNo cancel feeOn-time62%
DeltaCheapest$176Average$489FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$181Average$452FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$205Average$307FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$221Average$433FlexibilityNo cancel feeOn-time69%
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