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Des Moines

$49+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DSM
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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Cheap 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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$97
(Southwest)

One-way from

$49
(Southwest)

Popular in

March

Cheapest in

June

Average price

$309

Good round-trip deal

$203 or less
Provider with most accurate pricing for Lambert-St Louis-Des Moines flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Des Moines flights.
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From Lambert-St Louis to Des Moines
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One-way flight from Lambert-St Louis to Des Moines
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Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Des Moines.
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Find 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 April 11, 2025.

This Southwest deal was found by Cheapflights users on 4/10. 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 5/89:55 pmSTL - DSM
Nonstop1h 10mSouthwest
Thu 5/155:30 pmDSM - STL
Nonstop1h 05mSouthwest
Deal found 4/10$97
This Delta deal was found by Cheapflights users on 4/10. 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 5/54:05 pmSTL - DSM
1 stop6h 33mDelta
Wed 5/145:30 pmDSM - STL
1 stop5h 56mDelta
Deal found 4/10$177
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Fri 4/259:50 amSTL - DSM
2 stops13h 23mMultiple Airlines
Mon 4/281:31 pmDSM - STL
2 stops29h 10mMultiple Airlines
Deal found 4/10$323
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Fri 8/85:30 pmSTL - DSM
1 stop4h 17mUnited Airlines
Sun 8/106:50 pmDSM - STL
1 stop3h 55mUnited Airlines
Deal found 4/10$354
This American Airlines deal was found by Cheapflights users on 4/10. 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 5/155:00 amSTL - DSM
1 stop6h 13mAmerican Airlines
Thu 5/156:13 pmDSM - STL
1 stop5h 38mAmerican Airlines
Deal found 4/10$366

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 April 11, 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

Thu 5/8

9:55 pm-11:05 pm

Nonstop1h 10m

Des Moines

Thu 5/15

5:30 pm-6:35 pm

Nonstop1h 05m

$97

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Mon 5/5

4:05 pm-10:38 pm

1 stop6h 33m

Des Moines

Wed 5/14

5:30 pm-11:26 pm

1 stop5h 56m

$177

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 4/25

9:50 am-11:13 pm

2 stops13h 23m

Des Moines

Mon 4/28

1:31 pm-6:41 pm

2 stops29h 10m

$323

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 8/8

5:30 pm-9:47 pm

1 stop4h 17m

Des Moines

Sun 8/10

6:50 pm-10:45 pm

1 stop3h 55m

$354

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 5/15

5:00 am-11:13 am

1 stop6h 13m

Des Moines

Thu 5/15

6:13 pm-11:51 pm

1 stop5h 38m

$366

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Mon 5/12

9:55 pm-11:05 pm

Nonstop1h 10m

$49

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 5/13

7:30 pm-11:39 pm

1 stop4h 09m

$80

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Mon 5/12

6:00 am-10:19 am

1 stop4h 19m

$89

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 6/5

8:10 am-2:42 pm

1 stop6h 32m

$110

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Sun 5/18

10:10 am-3:53 pm

1 stop29h 43m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Des Moines flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 month to book a flight from St. Louis to Des Moines?

Currently, August is the cheapest month in which you can book a flight from St. Louis to Des Moines (average of $336). Flying from St. Louis to Des Moines in June is currently the most expensive (average of $422). 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 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 April 11, 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 at noon, which can drop the price by up to 39% versus a flight in the afternoon.

Rainfall in Des Moines by month

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

In terms of precipitation, rainfall in Des Moines ranges from 1.0 - 4.9 inches per month. June is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Des Moines when rainfall is around 1.0 in.

Temperature in Des Moines by month

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

If weather is an important factor for your trip to Des Moines, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 11, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from St. Louis to Des Moines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,279 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,911 reviews
Southwest
8.0
Very good
4,279 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,636 reviews
Southwest
8.0
Very good
4,279 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,279 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 05m 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 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Flying on Southwest is currently your cheapest option to Des Moines, with prices starting at $97. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $177 and $354, respectively. Southwest is currently priced 73% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from St. Louis to Des Moines are Southwest ($49), American Airlines ($80), and Delta ($89).

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

    On average you can expect to pay $309 for a flight from St. Louis to Des Moines. The cheapest flight overall is $117 while the most popular route, (Lambert-St Louis - Des Moines) is currently priced at $97.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Des Moines (average of $336). Flying from St. Louis to Des Moines in June is currently the most expensive (average of $422). 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 St. Louis?

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

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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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$167Average$310FlexibilityNo cancel feeOn-time63%

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