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$59+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DSM
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/2. 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 12/45:14 amSTL - DSM
1 stop5h 16mAmerican Airlines
Mon 12/85:00 amDSM - STL
1 stop5h 36mAmerican Airlines
Deal found 11/2$158
This Southwest deal was found by Cheapflights users on 11/1. 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 12/48:25 pmSTL - DSM
Nonstop1h 10mSouthwest
Mon 12/84:15 pmDSM - STL
Nonstop1h 05mSouthwest
Deal found 11/1$171
This Delta deal was found by Cheapflights users on 11/1. 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 12/46:00 amSTL - DSM
1 stop4h 38mDelta
Mon 12/86:33 pmDSM - STL
1 stop5h 09mDelta
Deal found 11/1$181
This Southwest deal was found by Cheapflights users on 11/2. 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 12/28:25 pmSTL - DSM
Nonstop1h 10mSouthwest
Tue 12/94:15 pmDSM - STL
Nonstop1h 05mSouthwest
Deal found 11/2$223
This Southwest deal was found by Cheapflights users on 11/1. 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 12/168:25 pmSTL - DSM
Nonstop1h 10mSouthwest
Sat 12/206:45 pmDSM - STL
Nonstop1h 05mSouthwest
Deal found 11/1$234
This Delta deal was found by Cheapflights users on 11/2. 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 12/25:34 pmSTL - DSM
1 stop3h 41mDelta
Tue 12/910:20 amDSM - STL
1 stop6h 50mDelta
Deal found 11/2$243
This Booking.com deal was found by Cheapflights users on 11/1. 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 11/18:40 pmSTL - OMA
1 stop23h 11mFrontier
Mon 11/38:51 pmOMA - STL
1 stop12h 16mFrontier
Deal found 11/1$303
This Flightnetwork deal was found by Cheapflights users on 11/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:43 pmSTL - OMA
1 stop17h 48mFrontier
Sun 1/112:37 pmOMA - STL
1 stop19h 25mFrontier
Deal found 11/2$326
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/156:30 amSTL - OMA
1 stop4h 01mUnited Airlines
Fri 1/28:00 amOMA - STL
1 stop6h 26mUnited Airlines
Deal found 11/2$345
This Southwest deal was found by Cheapflights users on 11/2. 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 12/1312:20 pmSTL - OMA
1 stop4h 10mSouthwest
Sun 1/114:40 pmOMA - STL
Nonstop1h 15mSouthwest
Deal found 11/2$353
This Southwest deal was found by Cheapflights users on 11/2. 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 12/1510:25 amSTL - OMA
Nonstop1h 20mSouthwest
Fri 1/21:00 pmOMA - STL
1 stop7h 55mSouthwest
Deal found 11/2$363
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/168:00 amSTL - FOD
1 stop6h 01mUnited Airlines
Tue 12/232:30 pmFOD - STL
1 stop23h 56mUnited Airlines
Deal found 10/31$363

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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$158
(American Airlines)

One-way from

$59
(Southwest)

Popular in

July

Cheapest in

June

Average price

$225

Good round-trip deal

$171 or less
Provider with most accurate pricing for Lambert-St Louis-Des Moines flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Des Moines flights.
Search Deals
From Lambert-St Louis to Iowa
Search Deals
One-way flight from Lambert-St Louis to Iowa
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Iowa.
Search Deals

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 November 3, 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

Thu 12/4

5:14 am-10:30 am

1 stop5h 16m

Des Moines

Mon 12/8

5:00 am-10:36 am

1 stop5h 36m

$158

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 12/4

8:25 pm-9:35 pm

Nonstop1h 10m

Des Moines

Mon 12/8

4:15 pm-5:20 pm

Nonstop1h 05m

$171

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 12/4

6:00 am-10:38 am

1 stop4h 38m

Des Moines

Mon 12/8

6:33 pm-11:42 pm

1 stop5h 09m

$181

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 12/2

10:15 am-11:25 am

Nonstop1h 10m

Des Moines

Tue 12/9

8:20 am-1:20 pm

1 stop5h 00m

$233

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 12/16

8:25 pm-9:35 pm

Nonstop1h 10m

Des Moines

Sat 12/20

6:45 pm-7:50 pm

Nonstop1h 05m

$234

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 12/2

5:34 pm-9:15 pm

1 stop3h 41m

Des Moines

Tue 12/9

10:20 am-5:10 pm

1 stop6h 50m

$243

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Sun 2/1

11:20 am-5:36 pm

1 stop6h 16m

Omaha Eppley Airfield

Tue 2/3

8:00 am-2:30 pm

1 stop6h 30m

$324

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Sun 2/1

6:52 am-2:14 pm

1 stop7h 22m

Omaha Eppley Airfield

Tue 2/3

12:03 pm-6:16 pm

1 stop6h 13m

$324

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Thu 1/1

8:25 pm-9:45 pm

Nonstop1h 20m

Omaha Eppley Airfield

Wed 1/7

6:05 am-7:35 am

Nonstop1h 30m

$329

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Sun 2/1

2:55 pm-10:10 pm

1 stop7h 15m

Omaha Eppley Airfield

Tue 2/3

3:55 pm-5:10 pm

Nonstop1h 15m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 31 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, September is the cheapest month in which you can book a flight from St. Louis to Iowa (average of $84). Flying from St. Louis to Iowa in July is currently the most expensive (average of $663). 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 November 3, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Iowa in the evening. If you’re flexible enough to do this you can expect to save up to 62% on your trip compared to booking a flight in the morning.

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 November 3, 2025.
Read reviews from past customers who have flown Southwest, American Airlines, and Southern / Mokulele from St. Louis to Iowa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,036 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southern / Mokulele
6.1
Okay
25 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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, 3 users have taken a look at flights from Lambert-St Louis to Iowa.

  • How long is the flight from St. Louis to Iowa?

    Departing from St. Louis to Iowa will take you 1h 10m. Airlines will cover a distance of 259 mi. This flight may include one or multiple stops.

  • 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 - Des Moines, Lambert-St Louis - Omaha Eppley Airfield 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 $795, our data indicates the cheapest price to be $234. The most popular route (Lambert-St Louis - Des Moines), is priced around $171.

  • 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, September is the cheapest month in which you can book a flight from St. Louis to Iowa (average of $84). Flying from St. Louis to Iowa in July is currently the most expensive (average of $663). 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$49Average$92FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$77Average$309FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$142Average$298FlexibilityNo cancel feeOn-time71%

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