Iowa

$95+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DSM
May 5 — May 121
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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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$199
(American Airlines)

One-way from

$95
(American Airlines)

Popular in

March

Cheapest in

June

Average price

$309

Good round-trip deal

$203 or less

Good one-way deal

$65 or less
Provider with most accurate pricing for Lambert-St Louis-Des Moines flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Des Moines flights.
From Lambert-St Louis to Iowa
One-way flight from Lambert-St Louis to Iowa
Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Lambert-St Louis to Iowa.
Price to beat on a one-way flight from Lambert-St Louis to Iowa.

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 April 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/245:37 amSTL - OMA
1 stop5h 51mAmerican Airlines
Tue 7/16:04 pmOMA - STL
1 stop5h 55mAmerican Airlines
Deal found 4/29$199
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 6/56:00 amSTL - DSM
1 stop4h 41mDelta
Sat 6/71:07 pmDSM - STL
1 stop4h 02mDelta
Deal found 4/28$209
This Southwest deal was found by Cheapflights users on 4/28. 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 8/79:40 pmSTL - DSM
Nonstop1h 10mSouthwest
Tue 8/128:25 amDSM - STL
Nonstop1h 05mSouthwest
Deal found 4/28$224
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/315:35 pmSTL - OMA
1 stop16h 42mFrontier
Sun 6/17:51 pmOMA - STL
1 stop13h 21mFrontier
Deal found 4/29$230
This Southwest deal was found by Cheapflights users on 4/27. 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 6/249:25 amSTL - OMA
Nonstop1h 15mSouthwest
Tue 7/15:25 amOMA - STL
Nonstop1h 15mSouthwest
Deal found 4/27$241
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/56:30 amSTL - DSM
1 stop3h 50mUnited Airlines
Sat 6/76:45 pmDSM - STL
1 stop4h 00mUnited Airlines
Deal found 4/29$247
This Delta deal was found by Cheapflights users on 4/27. 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 6/245:38 pmSTL - OMA
1 stop5h 10mDelta
Fri 7/46:40 amOMA - STL
1 stop3h 52mDelta
Deal found 4/27$256
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/59:50 amSTL - DSM
2 stops12h 47mMultiple Airlines
Sat 6/71:15 pmDSM - STL
2 stops29h 26mMultiple Airlines
Deal found 4/29$281
This American Airlines deal was found by Cheapflights users on 4/28. 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 8/78:00 pmSTL - DSM
1 stop3h 26mAmerican Airlines
Tue 8/129:00 amDSM - STL
1 stop3h 53mAmerican Airlines
Deal found 4/28$286
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 6/268:00 amSTL - OMA
1 stop6h 22mUnited Airlines
Fri 7/48:00 amOMA - STL
1 stop4h 27mUnited Airlines
Deal found 4/27$358
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/148:00 amSTL - FOD
1 stop5h 59mUnited Airlines
Sun 5/1810:07 amFOD - STL
1 stop5h 40mUnited Airlines
Deal found 4/29$541
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/233:30 pmSTL - OMA
2 stops20h 53mMultiple Airlines
Mon 5/2611:46 amOMA - STL
3 stops47h 59mMultiple Airlines
Deal found 4/29$548

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 April 30, 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. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Tue 6/24

5:37 am-11:28 am

1 stop5h 51m

Omaha Eppley Airfield

Tue 7/1

6:04 pm-11:59 pm

1 stop5h 55m

$199

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 6/5

6:00 am-10:41 am

1 stop4h 41m

Des Moines

Sat 6/7

1:07 pm-5:09 pm

1 stop4h 02m

$209

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 8/7

9:40 pm-10:50 pm

Nonstop1h 10m

Des Moines

Tue 8/12

8:25 am-9:30 am

Nonstop1h 05m

$224

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Sat 5/31

5:35 pm-10:17 am

1 stop16h 42m

Omaha Eppley Airfield

Sun 6/1

7:51 pm-9:12 am

1 stop13h 21m

$230

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Tue 6/24

10:05 pm-11:20 pm

Nonstop1h 15m

Omaha Eppley Airfield

Tue 7/1

5:25 am-6:40 am

Nonstop1h 15m

$241

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 6/5

6:30 am-10:20 am

1 stop3h 50m

Des Moines

Sat 6/7

6:45 pm-10:45 pm

1 stop4h 00m

$247

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Tue 6/24

5:38 pm-10:48 pm

1 stop5h 10m

Omaha Eppley Airfield

Fri 7/4

6:40 am-10:32 am

1 stop3h 52m

$256

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 6/5

9:50 am-10:37 pm

2 stops12h 47m

Des Moines

Sat 6/7

1:15 pm-6:41 pm

2 stops29h 26m

$281

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 8/7

8:00 pm-11:26 pm

1 stop3h 26m

Des Moines

Tue 8/12

9:00 am-12:53 pm

1 stop3h 53m

$286

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Thu 6/26

8:00 am-2:22 pm

1 stop6h 22m

Omaha Eppley Airfield

Tue 7/1

11:30 am-4:29 pm

1 stop4h 59m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 25 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 April 30, 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 April 30, 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.

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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?

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $95. Users have also found prices from $98 and $106 on Frontier and Southwest, respectively.

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

  • 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 $280, our data indicates the cheapest price to be $127. The most popular route (Lambert-St Louis - Omaha Eppley Airfield), is priced around $241.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$51Average$78FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$127Average$310FlexibilityNo cancel feeOn-time63%

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