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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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DSM
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$97
(Southwest)

One-way from

$49
(Southwest)

Popular in

July

Cheapest in

June

Average price

$548

Good round-trip deal

$381 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. 12% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip 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 July 30, 2025.

This Southwest deal was found by Cheapflights users on 7/30. 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 8/279:15 pmSTL - DSM
Nonstop1h 05mSouthwest
Wed 9/38:25 amDSM - STL
Nonstop1h 05mSouthwest
Deal found 7/30$97
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2710:15 amSTL - DSM
1 stop6h 07mDelta
Sat 10/412:32 pmDSM - STL
1 stop4h 10mDelta
Deal found 7/29$167
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:40 pmSTL - OMA
Nonstop1h 15mSouthwest
Tue 9/1612:25 pmOMA - STL
Nonstop1h 15mSouthwest
Deal found 7/29$192
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Sat 8/307:54 pmSTL - OMA
1 stop23h 56mFrontier
Mon 9/18:45 pmOMA - STL
1 stop12h 26mFrontier
Deal found 7/30$195
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 9/128:23 amSTL - OMA
1 stop8h 09mAmerican Airlines
Fri 9/192:57 pmOMA - STL
1 stop8h 10mAmerican Airlines
Deal found 7/29$196
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:55 pmSTL - DSM
1 stop17h 45mFrontier
Mon 10/62:25 pmDSM - STL
1 stop18h 42mFrontier
Deal found 7/29$205
This Delta deal was found by Cheapflights users on 7/28. 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.
Mon 9/295:32 pmSTL - OMA
1 stop5h 12mDelta
Wed 10/16:35 amOMA - STL
1 stop4h 55mDelta
Deal found 7/28$228
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 9/269:20 amSTL - DSM
1 stop5h 03mUnited Airlines
Wed 10/88:00 amDSM - STL
1 stop6h 27mUnited Airlines
Deal found 7/29$260
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 8/226:00 amSTL - DSM
1 stop6h 39mAmerican Airlines
Sun 8/247:32 amDSM - STL
1 stop16h 19mAmerican Airlines
Deal found 7/30$280
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 9/294:50 pmSTL - OMA
1 stop6h 05mUnited Airlines
Wed 10/16:33 pmOMA - STL
1 stop4h 02mUnited Airlines
Deal found 7/29$287
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 10/43:23 pmSTL - FOD
1 stop17h 53mUnited Airlines
Tue 10/72:35 pmFOD - STL
1 stop8h 00mUnited Airlines
Deal found 7/29$377
This Mytrip deal was found by Cheapflights users on 7/30. 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 8/229:50 amSTL - DSM
2 stops10h 51mMultiple Airlines
Sun 8/242:14 pmDSM - STL
3 stops23h 18mMultiple Airlines
Deal found 7/30$392

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 July 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. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Wed 8/27

9:15 pm-10:20 pm

Nonstop1h 05m

Des Moines

Wed 9/3

8:25 am-9:30 am

Nonstop1h 05m

$97

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Sat 9/27

10:15 am-4:22 pm

1 stop6h 07m

Des Moines

Sat 10/4

12:32 pm-4:42 pm

1 stop4h 10m

$167

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Mon 9/15

9:40 pm-10:55 pm

Nonstop1h 15m

Omaha Eppley Airfield

Tue 9/16

12:25 pm-1:40 pm

Nonstop1h 15m

$192

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Sat 8/30

7:54 pm-7:50 pm

1 stop23h 56m

Omaha Eppley Airfield

Mon 9/1

8:45 pm-9:11 am

1 stop12h 26m

$195

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Fri 9/12

8:23 am-4:32 pm

1 stop8h 09m

Omaha Eppley Airfield

Fri 9/19

2:57 pm-11:07 pm

1 stop8h 10m

$196

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Sun 9/28

7:55 pm-1:40 pm

1 stop17h 45m

Des Moines

Mon 10/6

2:25 pm-9:07 am

1 stop18h 42m

$205

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Mon 9/29

5:32 pm-10:44 pm

1 stop5h 12m

Omaha Eppley Airfield

Wed 10/1

6:35 am-11:30 am

1 stop4h 55m

$228

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 9/26

9:20 am-2:23 pm

1 stop5h 03m

Des Moines

Wed 10/8

8:00 am-2:27 pm

1 stop6h 27m

$260

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 8/22

6:00 am-12:39 pm

1 stop6h 39m

Des Moines

Sun 8/24

7:32 am-11:51 pm

1 stop16h 19m

$280

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Mon 9/29

4:50 pm-10:55 pm

1 stop6h 05m

Omaha Eppley Airfield

Wed 10/1

6:33 pm-10:35 pm

1 stop4h 02m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 $402). 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 July 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.

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 July 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from St. Louis to Iowa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 $492, our data indicates the cheapest price to be $97. The most popular route (Lambert-St Louis - Omaha Eppley Airfield), is priced around $192.

  • 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 $402). 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$51Average$83FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$127Average$310FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$218Average$318FlexibilityNo cancel feeOn-time69%

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