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$49+ Cheap flights from St. Louis (STL) to Iowa

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DSM
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheap flight deals from St. Louis to Iowa

Keep the following information in mind while searching for St. Louis to Iowa flight deals. Data was last updated March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$112
(Southwest)

One-way from

$49
(Southwest)

Popular in

March

Cheapest in

June

Average price

$472

Good round-trip deal

$140 or less

Good one-way deal

$104 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 Iowa
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One-way flight from Lambert-St Louis to Iowa
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Highest demand for flights based on searches. 4% potential increase in price ($19 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 March 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Iowa.
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Price to beat on a one-way flight from Lambert-St Louis to Iowa.
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Find flight deals from St. Louis to Iowa

Cheapest flights from St. Louis to Iowa
Explore the most affordable flight options available from St. Louis to Iowa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This Southwest deal was found by Cheapflights users on 3/25. 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.
Wed 4/3010:25 amSTL - DSM
Nonstop1h 10mSouthwest
Fri 5/25:30 pmDSM - STL
Nonstop1h 05mSouthwest
Deal found 3/25$112
This Delta deal was found by Cheapflights users on 3/25. 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 4/2910:30 amSTL - DSM
1 stop6h 36mDelta
Mon 5/56:25 pmDSM - STL
1 stop5h 11mDelta
Deal found 3/25$177
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 5/286:00 amSTL - DSM
1 stop5h 13mAmerican Airlines
Fri 5/301:12 pmDSM - STL
1 stop6h 17mAmerican Airlines
Deal found 3/25$179
This United Airlines deal was found by Cheapflights users on 3/25. 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 5/25:29 pmSTL - DSM
1 stop4h 23mUnited Airlines
Sat 5/33:20 pmDSM - STL
1 stop6h 43mUnited Airlines
Deal found 3/25$237
This Southwest deal was found by Cheapflights users on 3/25. 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.
Sat 4/198:25 amSTL - OMA
Nonstop1h 15mSouthwest
Tue 4/224:40 pmOMA - STL
Nonstop1h 15mSouthwest
Deal found 3/25$266
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/175:45 amSTL - OMA
1 stop4h 10mAmerican Airlines
Sun 4/209:38 amOMA - STL
1 stop6h 58mAmerican Airlines
Deal found 3/24$286
This United Airlines deal was found by Cheapflights users on 3/25. 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 5/91:10 pmSTL - OMA
1 stop4h 30mUnited Airlines
Sun 5/118:00 amOMA - STL
1 stop4h 19mUnited Airlines
Deal found 3/25$336
This Mytrip deal was found by Cheapflights users on 3/25. 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.
Thu 4/246:10 pmSTL - OMA
2 stops24h 42mMultiple Airlines
Mon 4/2811:38 amOMA - STL
2 stops29h 37mMultiple Airlines
Deal found 3/25$348
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/232:27 pmSTL - OMA
2 stops24h 02mAlaska Airlines
Wed 4/303:25 pmOMA - STL
2 stops17h 36mAlaska Airlines
Deal found 3/25$803

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Iowa 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 March 26, 2025.
Use the filters below to find and compare flights from St. Louis to Iowa that are best for you.

Fly from

St. Louis

Fly to

Iowa

Route

Depart

Return

Price

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Wed 4/30

10:25 am-11:35 am

Nonstop1h 10m

Des Moines

Fri 5/2

5:30 pm-6:35 pm

Nonstop1h 05m

$112

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 4/29

5:34 pm-9:13 pm

1 stop3h 39m

Des Moines

Sat 5/3

5:46 pm-9:58 pm

1 stop4h 12m

$177

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Wed 5/28

6:00 am-11:13 am

1 stop5h 13m

Des Moines

Fri 5/30

1:12 pm-7:29 pm

1 stop6h 17m

$179

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 5/2

5:29 pm-9:52 pm

1 stop4h 23m

Des Moines

Sat 5/3

3:20 pm-10:03 pm

1 stop6h 43m

$237

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Sat 4/19

8:25 am-9:40 am

Nonstop1h 15m

Omaha Eppley Airfield

Tue 4/22

4:40 pm-5:55 pm

Nonstop1h 15m

$266

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Thu 4/17

5:45 am-9:55 am

1 stop4h 10m

Omaha Eppley Airfield

Sun 4/20

9:38 am-4:36 pm

1 stop6h 58m

$286

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Fri 5/9

1:10 pm-5:40 pm

1 stop4h 30m

Omaha Eppley Airfield

Sun 5/11

8:00 am-12:19 pm

1 stop4h 19m

$336

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Thu 4/24

6:10 pm-6:52 pm

2 stops24h 42m

Omaha Eppley Airfield

Mon 4/28

11:38 am-5:15 pm

2 stops29h 37m

$348

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Wed 4/23

2:27 pm-2:29 pm

2 stops24h 02m

Omaha Eppley Airfield

Wed 4/30

3:25 pm-9:01 am

2 stops17h 36m

$803

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Mon 4/28

10:10 am-11:20 am

Nonstop1h 10m

$49

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 21 results
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Best time to book a flight from St. Louis to Iowa

Have a flexible travel schedule? Discover the best time to fly to Iowa 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 Iowa

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

Currently, August is the cheapest month in which you can book a flight from St. Louis to Iowa (average of $336). Flying from St. Louis to Iowa 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 IA?

Find hourly flight availability from St. Louis to Iowa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

When flying from St. Louis to Iowa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Iowa by month

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

In terms of precipitation, rainfall in Iowa 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 Iowa when rainfall is around 1.0 in.

Temperature in Iowa by month

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

If weather is an important factor for your trip to Iowa, 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 Iowa

Get insights into the airlines that provide service to Iowa. 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 Iowa. Reviews last updated March 26, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from St. Louis to Iowa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

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
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

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.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

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
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

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
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

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
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.6

Food

7.1

Overall

8.1

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 Iowa. 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 from for flights from St. Louis to Iowa?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Iowa. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    Within the past month, 1 users have taken a look at flights from Lambert-St Louis to Iowa.

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

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $49. Users have also found prices from $80 and $89 on American Airlines and United Airlines, respectively.

  • What are the most popular routes from St. Louis to Iowa?

    The most popular flight routes from St. Louis to Iowa are Lambert-St Louis - Omaha Eppley Airfield, Lambert-St Louis - Des Moines and Lambert-St Louis - Kirksville Cannon Memorial.

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

    Looking for the cheapest flight from St. Louis to Iowa? While on average our users pay $551, our data indicates the cheapest price to be $309. The most popular route (Lambert-St Louis - Omaha Eppley Airfield), is priced around $266.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Iowa (average of $336). Flying from St. Louis to Iowa 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

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Alternative routes for St. Louis to Iowa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from St. Louis to Iowa

Discover the top 3 airlines that operate flights from St. Louis to Iowa. 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$51Average$78FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$209Average$363FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$247Average$379FlexibilityNo cancel feeOn-time71%
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