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Des Moines

$95+ Cheap flights from St. Louis to Des Moines (STL - DSM)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DSM
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from St. Louis to Des Moines

Cheapest flights from St. Louis to Des Moines
Explore the most affordable flight options available from St. Louis to Des Moines. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This American Airlines deal was found by Cheapflights users on 12/1. 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.
Mon 12/298:01 pmSTL - DSM
1 stop3h 45mAmerican Airlines
Mon 1/56:52 pmDSM - STL
1 stop19h 58mAmerican Airlines
Deal found 12/1$310
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/233:10 pmSTL - DSM
1 stop6h 30mUnited Airlines
Fri 12/266:46 pmDSM - STL
1 stop3h 57mUnited Airlines
Deal found 12/2$368
This Southwest deal was found by Cheapflights users on 12/2. 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 12/2310:55 pmSTL - DSM
Nonstop1h 10mSouthwest
Fri 12/265:30 amDSM - STL
Nonstop1h 20mSouthwest
Deal found 12/2$371
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:51 amSTL - DSM
1 stop10h 45mMultiple Airlines
Mon 12/228:05 amDSM - STL
2 stops38h 28mMultiple Airlines
Deal found 12/2$408
This Delta deal was found by Cheapflights users on 12/1. 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 12/176:00 amSTL - DSM
1 stop4h 21mDelta
Sun 12/216:30 pmDSM - STL
1 stop5h 12mDelta
Deal found 12/1$433
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:30 pmSTL - DSM
2 stops31h 06mMultiple Airlines
Sun 12/218:30 amDSM - STL
1 stop12h 55mMultiple Airlines
Deal found 12/1$435
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:10 pmSTL - DSM
1 stop17h 21mMultiple Airlines
Mon 1/58:00 amDSM - STL
2 stops38h 33mMultiple Airlines
Deal found 12/1$441
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:50 amSTL - DSM
2 stops21h 51mMultiple Airlines
Fri 12/268:29 pmDSM - STL
1 stop13h 33mMultiple Airlines
Deal found 12/2$504
This American Airlines deal was found by Cheapflights users on 12/1. 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 12/211:42 amSTL - DSM
1 stop4h 59mAmerican Airlines
Sat 12/63:38 pmDSM - STL
1 stop7h 09mAmerican Airlines
Deal found 12/1$521
This KAYAK deal was found by Cheapflights users on 12/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:13 amSTL - DSM
1 stop6h 16mAmerican Airlines
Thu 12/113:38 pmDSM - STL
1 stop6h 47mAmerican Airlines
Deal found 12/2$546
This American Airlines deal was found by Cheapflights users on 12/2. 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 12/24:46 pmSTL - DSM
1 stop6h 58mAmerican Airlines
Sun 12/76:28 pmDSM - STL
1 stop5h 10mAmerican Airlines
Deal found 12/2$555
This Delta deal was found by Cheapflights users on 12/3. 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 12/1710:45 amSTL - DSM
2 stops10h 30mDelta
Sat 12/206:30 pmDSM - STL
1 stop5h 12mDelta
Deal found 12/3$569

Find flight deals from St. Louis to Des Moines

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Des Moines (DSM). 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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(Delta)

One-way from

$95
(Delta)

Popular in

July

Cheapest in

June
Provider with most accurate pricing for Lambert-St Louis-Des Moines flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Des Moines flights.
Search Deals
From Lambert-St Louis to Des Moines
Search Deals
One-way flight from Lambert-St Louis to Des Moines
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($31 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Des Moines 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 December 3, 2025.
Use the filters below to find and compare flights from St. Louis to Des Moines that are best for you.

Fly from

St. Louis

Fly to

Des Moines

Route

Depart

Return

Price

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 1/6

6:00 am-10:38 am

1 stop4h 38m

Des Moines

Wed 1/7

5:35 am-11:05 am

1 stop5h 30m

$189

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 1/6

4:35 pm-10:30 pm

1 stop5h 55m

Des Moines

Wed 1/7

6:48 pm-10:58 pm

1 stop4h 10m

$249

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 1/1

8:01 pm-8:15 am

1 stop12h 14m

Des Moines

Mon 1/5

3:27 pm-2:50 pm

1 stop23h 23m

$272

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Mon 12/29

8:01 pm-11:46 pm

1 stop3h 45m

Des Moines

Mon 1/5

6:52 pm-2:50 pm

1 stop19h 58m

$310

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 1/1

10:15 am-11:25 am

Nonstop1h 10m

Des Moines

Mon 1/5

5:45 am-7:05 am

Nonstop1h 20m

$329

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 12/23

3:10 pm-9:40 pm

1 stop6h 30m

Des Moines

Fri 12/26

6:46 pm-10:43 pm

1 stop3h 57m

$368

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 3/3

3:38 pm-9:17 pm

1 stop5h 39m

$95

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 2/3

6:00 am-10:41 am

1 stop4h 41m

$95

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Wed 2/4

3:31 pm-9:24 pm

1 stop5h 53m

$95

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Wed 2/25

7:43 pm-6:41 pm

1 stop22h 58m

$98

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 13 results
1
2

Compare providers for flights from St. Louis to Des Moines

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Des Moines in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Des Moines flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Des Moines flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Des Moines flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Des Moines flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Des Moines flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Des Moines

Have a flexible travel schedule? Discover the best time to fly to Des Moines 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.

Cheapflights Insights

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

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

Find hourly flight availability from St. Louis to Des Moines. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.

When flying from St. Louis to Des Moines, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 73% versus a flight in the morning.

Reviews of airlines servicing Des Moines

Get insights into the airlines that provide service to Des Moines. 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 Des Moines. Reviews last updated December 3, 2025.
Read reviews from past customers who have flown Southwest from St. Louis to Des Moines. 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
8.0
Very good
4,253 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

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

  • What airports do I use to fly from St. Louis to Des Moines?

    To fly from St. Louis to Des Moines, you need to book a flight from Lambert-St Louis (STL) to Des Moines (DSM). Nonstop flights to Des Moines from Lambert-St Louis take 1h 10m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Lambert-St Louis to Des Moines offered by 1 airline.

  • How popular is this St. Louis to Des Moines flight route?

    The Lambert-St Louis to Des Moines flight path was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from St. Louis to Des Moines?

    Departing from St. Louis to Des Moines will take you 4h 38m. The distance between St. Louis and Des Moines is about 259 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from St. Louis to Des Moines round-trip?

    Flying on Southwest is currently your cheapest option to Des Moines, with prices starting at $77. Southwest is currently priced 78% below the average price you’ll pay for this route.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Des Moines?

Book flights to Des Moines if you plan to visit one of these locations
Johnston
Altoona
Boone
Ames
West Des Moines
Ankeny

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Top airline flying from St. Louis to Des Moines

Discover the top airline that operate flights from St. Louis to Des Moines. 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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$77Average$309FlexibilityNo cancel feeOn-time63%

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