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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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DSM
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$97
(Southwest)

One-way from

$49
(Southwest)

Popular in

March

Cheapest in

June

Average price

$213

Good round-trip deal

$365 or less

Good one-way deal

$143 or less
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. 7% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/9. 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 8/129:15 pmSTL - DSM
Nonstop1h 05mSouthwest
Thu 8/146:00 amDSM - STL
Nonstop1h 05mSouthwest
Deal found 6/9$97
This Southwest deal was found by Cheapflights users on 6/9. 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 8/1910:25 amSTL - OMA
Nonstop1h 15mSouthwest
Thu 8/211:10 pmOMA - STL
Nonstop1h 20mSouthwest
Deal found 6/9$157
This Delta deal was found by Cheapflights users on 6/9. 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.
Sat 8/93:41 pmSTL - DSM
1 stop6h 52mDelta
Mon 8/115:25 pmDSM - STL
1 stop5h 57mDelta
Deal found 6/9$167
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/169:57 amSTL - OMA
1 stop6h 35mAmerican Airlines
Thu 9/187:34 pmOMA - STL
1 stop4h 14mAmerican Airlines
Deal found 6/10$177
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/125:31 pmSTL - DSM
1 stop4h 16mUnited Airlines
Thu 8/1411:25 amDSM - STL
1 stop4h 22mUnited Airlines
Deal found 6/11$189
This Delta deal was found by Cheapflights users on 6/9. 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.
Sat 8/168:46 amSTL - OMA
1 stop5h 26mDelta
Tue 8/1910:53 amOMA - STL
1 stop5h 52mDelta
Deal found 6/9$191
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 9/178:50 amSTL - DSM
1 stop6h 33mAmerican Airlines
Sun 9/215:00 amDSM - STL
1 stop4h 26mAmerican Airlines
Deal found 6/10$195
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 8/181:42 pmSTL - OMA
1 stop6h 40mUnited Airlines
Thu 8/218:00 amOMA - STL
1 stop6h 33mUnited Airlines
Deal found 6/9$237
This FlightHub deal was found by Cheapflights users on 6/9. 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.
Wed 8/207:54 pmSTL - OMA
1 stop23h 10mFrontier
Fri 8/228:45 pmOMA - STL
1 stop12h 26mFrontier
Deal found 6/9$266
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Sat 7/269:50 amSTL - DSM
2 stops7h 26mMultiple Airlines
Mon 7/282:00 pmDSM - STL
2 stops28h 41mMultiple Airlines
Deal found 6/10$288
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 7/2410:47 amSTL - OMA
2 stops24h 01mMultiple Airlines
Sun 7/279:56 amOMA - STL
3 stops32h 45mMultiple Airlines
Deal found 6/10$460
This United Airlines deal was found by Cheapflights users on 6/12. 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 6/275:00 amSTL - FOD
1 stop4h 20mUnited Airlines
Tue 7/12:40 pmFOD - STL
1 stop4h 51mUnited Airlines
Deal found 6/12$522

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 June 12, 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

Tue 8/12

9:15 pm-10:20 pm

Nonstop1h 05m

Des Moines

Thu 8/14

6:00 am-7:05 am

Nonstop1h 05m

$97

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Tue 8/19

10:25 am-11:40 am

Nonstop1h 15m

Omaha Eppley Airfield

Thu 8/21

1:10 pm-2:30 pm

Nonstop1h 20m

$157

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Sat 8/9

3:41 pm-10:33 pm

1 stop6h 52m

Des Moines

Mon 8/11

5:25 pm-11:22 pm

1 stop5h 57m

$167

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Thu 8/21

7:59 pm-11:48 pm

1 stop3h 49m

Omaha Eppley Airfield

Sat 8/23

2:16 pm-7:21 pm

1 stop5h 05m

$184

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 8/12

5:31 pm-9:47 pm

1 stop4h 16m

Des Moines

Thu 8/14

11:25 am-3:47 pm

1 stop4h 22m

$189

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Sat 8/16

8:46 am-2:12 pm

1 stop5h 26m

Omaha Eppley Airfield

Tue 8/19

10:53 am-4:45 pm

1 stop5h 52m

$191

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Mon 8/11

7:59 pm-11:27 pm

1 stop3h 28m

Des Moines

Thu 8/14

6:12 pm-11:55 pm

1 stop5h 43m

$220

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Mon 8/18

1:42 pm-8:22 pm

1 stop6h 40m

Omaha Eppley Airfield

Thu 8/21

8:00 am-2:33 pm

1 stop6h 33m

$237

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Wed 8/20

7:54 pm-7:04 pm

1 stop23h 10m

Omaha Eppley Airfield

Fri 8/22

8:45 pm-9:11 am

1 stop12h 26m

$266

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Sat 7/26

9:50 am-5:16 pm

2 stops7h 26m

Des Moines

Mon 7/28

2:00 pm-6:41 pm

2 stops28h 41m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 25 results
1
2
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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 $411). 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 June 12, 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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $84 on American Airlines and Delta, 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 - Fort Dodge.

  • 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 $316, our data indicates the cheapest price to be $165. The most popular route (Lambert-St Louis - Omaha Eppley Airfield), is priced around $157.

  • 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 $411). 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 2 airlines flying from St. Louis to Iowa

Discover the top 2 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$51Average$78FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$167Average$320FlexibilityNo cancel feeOn-time63%

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