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St. Louis

$68+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
אפר' 5 — אפר' 121
ש' 4/5
ש' 4/12
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas to Lambert-St Louis are usually found in July or August, booked 75 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 מרץ 31, 2025.

Round-trip from

$200
(CheapOair)

One-way from

$68
(Cheapflightsfares)

Popular in

March

Cheapest in

July

Average price

$373
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. 16% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in March 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 מרץ 31, 2025.

This CheapOair deal was found by Cheapflights users on 3/29. 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.
ו' 6/610:26 pmDFW - STL
1 stop10h 46mFrontier
א' 6/158:44 pmSTL - DFW
Nonstop1h 58mFrontier
Deal found 3/29$200
This Mytrip deal was found by Cheapflights users on 3/31. 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.
ה' 4/247:17 amDFW - STL
1 stop9h 58mSpirit Airlines
ג' 4/296:10 pmSTL - DFW
1 stop15h 22mSpirit Airlines
Deal found 3/31$230
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ה' 4/247:17 amDFW - STL
1 stop9h 58mMultiple Airlines
ש' 4/265:41 pmSTL - DFW
1 stop17h 53mMultiple Airlines
Deal found 3/30$233
This American Airlines deal was found by Cheapflights users on 3/30. 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.
ש' 5/171:41 pmDFW - STL
Nonstop1h 46mAmerican Airlines
ש' 5/177:19 pmSTL - DFW
Nonstop2h 01mAmerican Airlines
Deal found 3/30$248
This Delta deal was found by Cheapflights users on 3/29. 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.
ד' 5/149:47 amDFW - STL
1 stop4h 48mDelta
ד' 5/2111:32 amSTL - DFW
1 stop6h 00mDelta
Deal found 3/29$273
This Southwest deal was found by Cheapflights users on 3/31. 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.
ה' 4/243:00 pmDAL - STL
Nonstop1h 45mSouthwest
ג' 4/296:00 amSTL - DAL
1 stop4h 10mSouthwest
Deal found 3/31$281
This Delta deal was found by Cheapflights users on 3/30. 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.
ה' 4/245:55 amDAL - STL
1 stop5h 50mDelta
ב' 4/285:32 pmSTL - DAL
1 stop4h 40mDelta
Deal found 3/30$307
This United deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ה' 4/246:45 amDFW - STL
1 stop7h 57mUnited Airlines
ב' 4/283:40 pmSTL - DFW
2 stops7h 49mUnited Airlines
Deal found 3/30$382
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
ו' 5/96:23 pmDAL - STL
1 stop19h 45mAlaska Airlines
א' 5/116:30 amSTL - DAL
1 stop10h 53mAlaska Airlines
Deal found 3/31$685

Cheapflights Fare Finder

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 מרץ 31, 2025.
Use the filters below to find and compare flights from Dallas to St. Louis that are best for you.

Fly from

Dallas

Fly to

St. Louis

Route

Depart

Return

Price

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

ו' 6/6

10:26 pm-9:12 am

1 stop10h 46m

Lambert-St Louis

א' 6/15

8:44 pm-10:42 pm

Nonstop1h 58m

$200

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

ה' 4/24

7:17 am-5:15 pm

1 stop9h 58m

Lambert-St Louis

ג' 4/29

6:10 pm-9:32 am

1 stop15h 22m

$230

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

ה' 4/24

7:17 am-5:15 pm

1 stop9h 58m

Lambert-St Louis

ש' 4/26

5:41 pm-11:34 am

1 stop17h 53m

$233

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

ש' 5/17

1:41 pm-3:27 pm

Nonstop1h 46m

Lambert-St Louis

ש' 5/17

7:19 pm-9:20 pm

Nonstop2h 01m

$248

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

ד' 5/14

9:47 am-2:35 pm

1 stop4h 48m

Lambert-St Louis

ד' 5/21

11:32 am-5:32 pm

1 stop6h 00m

$273

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

ה' 4/24

3:00 pm-4:45 pm

Nonstop1h 45m

Lambert-St Louis

ג' 4/29

6:00 am-10:10 am

1 stop4h 10m

$281

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

ה' 4/24

5:55 am-11:45 am

1 stop5h 50m

Lambert-St Louis

ב' 4/28

5:32 pm-10:12 pm

1 stop4h 40m

$307

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

ד' 8/6

9:58 am-4:59 pm

1 stop7h 01m

Lambert-St Louis

א' 8/10

6:15 am-11:35 am

1 stop5h 20m

$340

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

ו' 5/9

6:23 pm-2:08 pm

1 stop19h 45m

Lambert-St Louis

א' 5/11

6:30 am-5:23 pm

1 stop10h 53m

$685

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

ה' 6/12

5:51 pm-7:45 pm

Nonstop1h 54m

$68

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 18 results
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The best insider tips for Dallas to St. Louis flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Dallas to St. Louis trip
Airports
DAL

DAL offers swift security lines and a straightforward layout, making it ideal for quick departures. Check real-time wait times online before heading to the airport.

Read more about DALby Paul Rubio
STL

Use the MetroLink light rail for a convenient and economical way to reach downtown St. Louis from STL. It takes about 40 minutes.

Read more about STLby Taryn White
Our travel experts
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more
Paul Rubio

Paul Rubio

Expert on DAL

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

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.

Cheapflights Insights

Everything you need to know about your flight from Dallas to St. Louis

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 March 28, 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 מרץ 31, 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 22% on your trip compared to booking a flight at noon.

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. Sunday 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 מרץ 31, 2025.

The most flights from A78 to STL are scheduled on a Sunday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 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 מרץ 31, 2025.
To help decide which airline to fly from Dallas to St. Louis, see what other customers have to say about Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 20 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 Frontier is currently your cheapest option to St. Louis, with prices starting at $200. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $235 and $248, respectively. Frontier is priced at 28% 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 $68. However, be on the lookout for offers from Spirit Airlines and American 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 SkyWest Airlines (100%), Envoy Air (93%) and GOL (92%).

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

    The cheapest flight price from Dallas to St. Louis is $88. On average you can expect to pay $302. The most popular route, (Dallas/Fort Worth - Lambert-St Louis), can usually be booked for $207.

  • 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
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
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 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 מרץ 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$135FlexibilityNo cancel feeOn-time62%
DeltaCheapest$176Average$483FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$448FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$307FlexibilityNo cancel feeOn-time63%
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