HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Iowa

$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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DSM
oct.. 15 — oct.. 221
dc. 10/15
dc. 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Iowa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 setembre 15, 2025.

Round-trip from

$97
(Southwest)

One-way from

$49
(Southwest)

Popular in

March

Cheapest in

June

Average price

$274

Good round-trip deal

$309 or less
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. 18% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Iowa.
Search Deals

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 setembre 15, 2025.

This Southwest deal was found by Cheapflights users on 9/13. 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.
dj. 11/69:50 amSTL - DSM
Nonstop1h 10mSouthwest
dl. 11/105:45 amDSM - STL
Nonstop1h 20mSouthwest
Deal found 9/13$97
This United Airlines deal was found by Cheapflights users on 9/14. 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.
dj. 10/95:00 amSTL - OMA
1 stop5h 31mUnited Airlines
dt. 10/148:00 amOMA - STL
1 stop6h 27mUnited Airlines
Deal found 9/14$119
This Southwest deal was found by Cheapflights users on 9/14. 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.
dv. 10/1010:20 pmSTL - DSM
Nonstop1h 10mSouthwest
dl. 10/136:15 pmDSM - STL
Nonstop1h 10mSouthwest
Deal found 9/14$134
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ds. 10/114:33 pmSTL - OMA
1 stop15h 15mFrontier
dl. 10/138:59 pmOMA - STL
1 stop12h 08mFrontier
Deal found 9/14$145
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dv. 10/107:52 pmSTL - OMA
1 stop24h 12mFrontier
dl. 10/138:59 pmOMA - STL
1 stop12h 08mFrontier
Deal found 9/13$153
This American Airlines deal was found by Cheapflights users on 9/14. 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.
dt. 10/77:16 amSTL - DSM
1 stop6h 02mAmerican Airlines
ds. 10/113:48 pmDSM - STL
1 stop5h 05mAmerican Airlines
Deal found 9/14$159
This Delta deal was found by Cheapflights users on 9/13. 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.
dj. 11/66:00 amSTL - DSM
1 stop7h 28mDelta
dl. 11/104:59 pmDSM - STL
1 stop6h 24mDelta
Deal found 9/13$177
This United Airlines deal was found by Cheapflights users on 9/14. 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.
dt. 10/76:15 amSTL - OMA
1 stop7h 55mUnited Airlines
dc. 10/1511:27 amOMA - STL
1 stop4h 17mUnited Airlines
Deal found 9/14$179
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 10/87:52 pmSTL - OMA
1 stop24h 12mFrontier
dl. 10/138:59 pmOMA - STL
1 stop12h 08mFrontier
Deal found 9/14$202
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dj. 10/97:52 pmSTL - OMA
1 stop24h 12mFrontier
dl. 10/138:59 pmOMA - STL
1 stop12h 08mFrontier
Deal found 9/14$207
This American Airlines deal was found by Cheapflights users on 9/14. 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.
dj. 10/95:30 amSTL - OMA
1 stop7h 42mAmerican Airlines
dt. 10/147:35 pmOMA - STL
1 stop4h 19mAmerican Airlines
Deal found 9/14$224
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dv. 10/107:52 pmSTL - OMA
1 stop24h 12mFrontier
dj. 10/168:59 pmOMA - STL
1 stop12h 08mFrontier
Deal found 9/14$227

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 setembre 15, 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

dj. 11/6

9:50 am-11:00 am

Nonstop1h 10m

Des Moines

dl. 11/10

5:45 am-7:05 am

Nonstop1h 20m

$97

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

dj. 10/9

5:00 am-10:31 am

1 stop5h 31m

Omaha Eppley Airfield

dt. 10/14

8:00 am-2:27 pm

1 stop6h 27m

$119

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

dv. 10/10

10:20 pm-11:30 pm

Nonstop1h 10m

Des Moines

dl. 10/13

6:15 pm-7:25 pm

Nonstop1h 10m

$134

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

dv. 10/10

7:52 pm-8:04 pm

1 stop24h 12m

Omaha Eppley Airfield

dl. 10/13

8:59 pm-9:07 am

1 stop12h 08m

$153

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

dj. 11/6

6:00 am-1:28 pm

1 stop7h 28m

Des Moines

dl. 11/10

4:59 pm-11:23 pm

1 stop6h 24m

$177

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

ds. 10/11

9:20 am-2:21 pm

1 stop5h 01m

Omaha Eppley Airfield

ds. 10/11

6:33 pm-10:35 pm

1 stop4h 02m

$179

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

ds. 10/11

1:40 pm-7:56 pm

1 stop6h 16m

Omaha Eppley Airfield

dc. 10/15

11:27 am-3:44 pm

1 stop4h 17m

$179

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

dc. 10/8

5:15 am-10:39 am

1 stop5h 24m

Omaha Eppley Airfield

dt. 10/14

8:00 am-2:27 pm

1 stop6h 27m

$179

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

dc. 10/8

5:15 am-10:39 am

1 stop5h 24m

Omaha Eppley Airfield

ds. 10/11

3:06 pm-9:58 pm

1 stop6h 52m

$179

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

dj. 10/9

5:00 am-10:31 am

1 stop5h 31m

Omaha Eppley Airfield

ds. 10/11

3:06 pm-9:58 pm

1 stop6h 52m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 38 results
1
2
3
4

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 setembre 15, 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 setembre 15, 2025.
Read reviews from past customers who have flown Southwest and American Airlines 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
4,242 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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, 2 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 - 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 $456, our data indicates the cheapest price to be $77. The most popular route (Lambert-St Louis - Omaha Eppley Airfield), is priced around $119.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Iowa

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Las Vegas flights
St. Louis to LaGuardia flights
St. Louis to John F Kennedy Intl flights
Kansas City to John F Kennedy Intl flights
Kansas City to Newark flights
Kansas City to Las Vegas flights
St. Louis to Newark flights
Kansas City to LaGuardia flights
St. Louis to Dallas/Fort Worth flights
St. Louis to Sky Harbor Intl flights
St. Louis to Denver flights
St. Louis to Orlando flights
Kansas City to Seattle flights
Kansas City to Denver flights
St. Louis to Seattle flights
Kansas City to O'Hare Intl flights
Kansas City to Los Angeles flights
Kansas City to Sky Harbor Intl flights
Kansas City to Orlando flights
St. Louis to Miami flights
St. Louis to Boston flights
Kansas City to Hobby flights
Kansas City to Miami flights
Kansas City to Atlanta flights
St. Louis to Dulles Intl flights
St. Louis to Atlanta flights
St. Louis to Los Angeles flights
Kansas City to Boston flights
Kansas City to Dallas/Fort Worth flights
Kansas City to George Bush Intcntl flights
St. Louis to Reagan-National flights
Kansas City to Dulles Intl flights
St. Louis to San Francisco flights
St. Louis to Baltimore flights
St. Louis to Hobby flights
Kansas City to Minneapolis flights
St. Louis to Fort Myers flights
St. Louis to Salt Lake City flights
Kansas City to Fort Lauderdale flights
Kansas City to San Francisco flights
St. Louis to O'Hare Intl flights
Kansas City to Philadelphia flights
Kansas City to Portland flights
Kansas City to Honolulu flights
St. Louis to Tampa flights
St. Louis to New Orleans flights
Kansas City to Tampa flights
St. Louis to Honolulu flights
St. Louis to Minneapolis flights
St. Louis to George Bush Intcntl flights

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 setembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$51Average$83FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$97Average$309FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$142Average$298FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights